[INFO] cloning repository https://github.com/KartikAiyer/media_atoms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KartikAiyer/media_atoms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKartikAiyer%2Fmedia_atoms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKartikAiyer%2Fmedia_atoms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 47f25ad44e6813e899a0a4fd90bdba6f60df961b
[INFO] testing KartikAiyer/media_atoms against 1.98.0-beta.1 for beta-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKartikAiyer%2Fmedia_atoms" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/KartikAiyer/media_atoms
[INFO] finished tweaking git repo https://github.com/KartikAiyer/media_atoms
[INFO] tweaked toml for git repo https://github.com/KartikAiyer/media_atoms written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/KartikAiyer/media_atoms on toolchain 1.98.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/KartikAiyer/media_atoms already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.98.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc
[INFO] running `Command { std: "docker" "start" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling media_atoms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `containers::ContainerAtoms`
[INFO] [stdout]  --> src/parse_state.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::atoms::{AtomLike, AtomHeader, AtomNodes, containers::ContainerAtoms};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/parse_state.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read, SeekFrom, Seek};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow`
[INFO] [stdout]  --> src/parse_state.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/parse_state.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 |             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stdout]    |                                                    ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stdout] 81 +             retval = print_tree(f, child, depth+1, stuff == size);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/atoms.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |       let mut retval = Ok(());
[INFO] [stdout]    |                        ^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ------------------------------------------------------ `retval` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 76 |           retval = writeln!(f, "{} {}", prefix, AtomHeader::new_from(atom));
[INFO] [stdout]    |           ----------------------------------------------------------------- `retval` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `atom`
[INFO] [stdout]    --> src/atoms.rs:292:30
[INFO] [stdout]     |
[INFO] [stdout] 292 |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:393:11
[INFO] [stdout]     |
[INFO] [stdout] 393 |       let mut location = atom_header.atom_location() + atom_header.header_size() as u64;
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:592:11
[INFO] [stdout]     |
[INFO] [stdout] 592 |       let mut buf = atom_header.read_atom(file)?;
[INFO] [stdout]     |           ----^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:739:11
[INFO] [stdout]     |
[INFO] [stdout] 739 |       let mut bytes = header.read_atom(file)?;
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/atoms.rs:746:11
[INFO] [stdout]     |
[INFO] [stdout] 746 |       for i in 0..result.num_features {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]    --> src/parse_state.rs:147:3
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Parser {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 147 |   filename: String,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TkhdAtom` is never constructed
[INFO] [stdout]    --> src/atoms.rs:928:10
[INFO] [stdout]     |
[INFO] [stdout] 928 |   struct TkhdAtom {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parse_state.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     self.file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let _ = self.file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:291:7
[INFO] [stdout]     |
[INFO] [stdout] 291 | /       match self {
[INFO] [stdout] 292 | |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stdout] 293 | |         ContainerAtoms::Moov(atom) => writeln!(f, "{}", atom),
[INFO] [stdout] 294 | |         ContainerAtoms::Trak(atom) => writeln!(f, "{}", atom),
[INFO] [stdout] 295 | |       };
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 291 |       let _ = match self {
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:335:7
[INFO] [stdout]     |
[INFO] [stdout] 335 |       file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 335 |       let _ = file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:554:11
[INFO] [stdout]     |
[INFO] [stdout] 554 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 554 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:558:11
[INFO] [stdout]     |
[INFO] [stdout] 558 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 558 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:562:11
[INFO] [stdout]     |
[INFO] [stdout] 562 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 562 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:566:11
[INFO] [stdout]     |
[INFO] [stdout] 566 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 566 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:570:11
[INFO] [stdout]     |
[INFO] [stdout] 570 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 570 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:670:7
[INFO] [stdout]     |
[INFO] [stdout] 670 |       write!(f, "Wide: {}", self.atom_header);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 670 |       let _ = write!(f, "Wide: {}", self.atom_header);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:743:7
[INFO] [stdout]     |
[INFO] [stdout] 743 |       bytes.read(&mut tmp);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 743 |       let _ = bytes.read(&mut tmp);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:852:7
[INFO] [stdout]     |
[INFO] [stdout] 852 |       file.read(&mut result.matrix);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 852 |       let _ = file.read(&mut result.matrix);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |   if( args.len() != 2) {
[INFO] [stdout]   |     ^^               ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -   if( args.len() != 2) {
[INFO] [stdout] 9 +   if args.len() != 2 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `containers::ContainerAtoms`
[INFO] [stdout]  --> src/parse_state.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::atoms::{AtomLike, AtomHeader, AtomNodes, containers::ContainerAtoms};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/parse_state.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read, SeekFrom, Seek};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow`
[INFO] [stdout]  --> src/parse_state.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/parse_state.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 |             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stdout]    |                                                    ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stdout] 81 +             retval = print_tree(f, child, depth+1, stuff == size);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/atoms.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |       let mut retval = Ok(());
[INFO] [stdout]    |                        ^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ------------------------------------------------------ `retval` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 76 |           retval = writeln!(f, "{} {}", prefix, AtomHeader::new_from(atom));
[INFO] [stdout]    |           ----------------------------------------------------------------- `retval` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `atom`
[INFO] [stdout]    --> src/atoms.rs:292:30
[INFO] [stdout]     |
[INFO] [stdout] 292 |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:393:11
[INFO] [stdout]     |
[INFO] [stdout] 393 |       let mut location = atom_header.atom_location() + atom_header.header_size() as u64;
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:592:11
[INFO] [stdout]     |
[INFO] [stdout] 592 |       let mut buf = atom_header.read_atom(file)?;
[INFO] [stdout]     |           ----^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:739:11
[INFO] [stdout]     |
[INFO] [stdout] 739 |       let mut bytes = header.read_atom(file)?;
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/atoms.rs:746:11
[INFO] [stdout]     |
[INFO] [stdout] 746 |       for i in 0..result.num_features {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]    --> src/parse_state.rs:147:3
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Parser {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 147 |   filename: String,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TkhdAtom` is never constructed
[INFO] [stdout]    --> src/atoms.rs:928:10
[INFO] [stdout]     |
[INFO] [stdout] 928 |   struct TkhdAtom {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parse_state.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     self.file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let _ = self.file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:291:7
[INFO] [stdout]     |
[INFO] [stdout] 291 | /       match self {
[INFO] [stdout] 292 | |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stdout] 293 | |         ContainerAtoms::Moov(atom) => writeln!(f, "{}", atom),
[INFO] [stdout] 294 | |         ContainerAtoms::Trak(atom) => writeln!(f, "{}", atom),
[INFO] [stdout] 295 | |       };
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 291 |       let _ = match self {
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:335:7
[INFO] [stdout]     |
[INFO] [stdout] 335 |       file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 335 |       let _ = file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling media_atoms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:554:11
[INFO] [stdout]     |
[INFO] [stdout] 554 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 554 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:558:11
[INFO] [stdout]     |
[INFO] [stdout] 558 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 558 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:562:11
[INFO] [stdout]     |
[INFO] [stdout] 562 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 562 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:566:11
[INFO] [stdout]     |
[INFO] [stdout] 566 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 566 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:570:11
[INFO] [stdout]     |
[INFO] [stdout] 570 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 570 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:670:7
[INFO] [stdout]     |
[INFO] [stdout] 670 |       write!(f, "Wide: {}", self.atom_header);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 670 |       let _ = write!(f, "Wide: {}", self.atom_header);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:743:7
[INFO] [stdout]     |
[INFO] [stdout] 743 |       bytes.read(&mut tmp);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 743 |       let _ = bytes.read(&mut tmp);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:852:7
[INFO] [stdout]     |
[INFO] [stdout] 852 |       file.read(&mut result.matrix);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 852 |       let _ = file.read(&mut result.matrix);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |   if( args.len() != 2) {
[INFO] [stdout]   |     ^^               ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout] 9 -   if( args.len() != 2) {
[INFO] [stdout] 9 +   if args.len() != 2 {
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `containers::ContainerAtoms`
[INFO] [stdout]  --> src/parse_state.rs:4:53
[INFO] [stdout]   |
[INFO] [stdout] 4 | use super::atoms::{AtomLike, AtomHeader, AtomNodes, containers::ContainerAtoms};
[INFO] [stdout]   |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/parse_state.rs:5:15
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::io::{Read, SeekFrom, Seek};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BorrowMut` and `Borrow`
[INFO] [stdout]  --> src/parse_state.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stdout]   |                   ^^^^^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/parse_state.rs:81:52
[INFO] [stdout]    |
[INFO] [stdout] 81 |             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stdout]    |                                                    ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 81 -             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stdout] 81 +             retval = print_tree(f, child, depth+1, stuff == size);
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:72:24
[INFO] [stdout]    |
[INFO] [stdout] 72 |       let mut retval = Ok(());
[INFO] [stdout]    |                        ^^^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ------------------------------------------------------ `retval` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:75:11
[INFO] [stdout]    |
[INFO] [stdout] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 76 |           retval = writeln!(f, "{} {}", prefix, AtomHeader::new_from(atom));
[INFO] [stdout]    |           ----------------------------------------------------------------- `retval` is overwritten here before the previous value is read
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `retval` is never read
[INFO] [stdout]   --> src/parse_state.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `atom`
[INFO] [stdout]    --> src/atoms.rs:292:30
[INFO] [stdout]     |
[INFO] [stdout] 292 |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stdout]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:393:11
[INFO] [stdout]     |
[INFO] [stdout] 393 |       let mut location = atom_header.atom_location() + atom_header.header_size() as u64;
[INFO] [stdout]     |           ----^^^^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:592:11
[INFO] [stdout]     |
[INFO] [stdout] 592 |       let mut buf = atom_header.read_atom(file)?;
[INFO] [stdout]     |           ----^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/atoms.rs:739:11
[INFO] [stdout]     |
[INFO] [stdout] 739 |       let mut bytes = header.read_atom(file)?;
[INFO] [stdout]     |           ----^^^^^
[INFO] [stdout]     |           |
[INFO] [stdout]     |           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/atoms.rs:746:11
[INFO] [stdout]     |
[INFO] [stdout] 746 |       for i in 0..result.num_features {
[INFO] [stdout]     |           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]    --> src/parse_state.rs:147:3
[INFO] [stdout]     |
[INFO] [stdout] 146 | pub struct Parser {
[INFO] [stdout]     |            ------ field in this struct
[INFO] [stdout] 147 |   filename: String,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TkhdAtom` is never constructed
[INFO] [stdout]    --> src/atoms.rs:928:10
[INFO] [stdout]     |
[INFO] [stdout] 928 |   struct TkhdAtom {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/parse_state.rs:171:5
[INFO] [stdout]     |
[INFO] [stdout] 171 |     self.file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 171 |     let _ = self.file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:291:7
[INFO] [stdout]     |
[INFO] [stdout] 291 | /       match self {
[INFO] [stdout] 292 | |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stdout] 293 | |         ContainerAtoms::Moov(atom) => writeln!(f, "{}", atom),
[INFO] [stdout] 294 | |         ContainerAtoms::Trak(atom) => writeln!(f, "{}", atom),
[INFO] [stdout] 295 | |       };
[INFO] [stdout]     | |_______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 291 |       let _ = match self {
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:335:7
[INFO] [stdout]     |
[INFO] [stdout] 335 |       file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 335 |       let _ = file.seek(SeekFrom::Start(0));
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:554:11
[INFO] [stdout]     |
[INFO] [stdout] 554 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 554 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:558:11
[INFO] [stdout]     |
[INFO] [stdout] 558 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 558 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:562:11
[INFO] [stdout]     |
[INFO] [stdout] 562 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 562 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:566:11
[INFO] [stdout]     |
[INFO] [stdout] 566 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 566 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:570:11
[INFO] [stdout]     |
[INFO] [stdout] 570 |           write!(f, "{}", atom);
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 570 |           let _ = write!(f, "{}", atom);
[INFO] [stdout]     |           +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:670:7
[INFO] [stdout]     |
[INFO] [stdout] 670 |       write!(f, "Wide: {}", self.atom_header);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 670 |       let _ = write!(f, "Wide: {}", self.atom_header);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:743:7
[INFO] [stdout]     |
[INFO] [stdout] 743 |       bytes.read(&mut tmp);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 743 |       let _ = bytes.read(&mut tmp);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/atoms.rs:852:7
[INFO] [stdout]     |
[INFO] [stdout] 852 |       file.read(&mut result.matrix);
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 852 |       let _ = file.read(&mut result.matrix);
[INFO] [stdout]     |       +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc" "/opt/rustwide/cargo-home/bin/cargo" "+1.98.0-beta.1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `containers::ContainerAtoms`
[INFO] [stderr]  --> src/parse_state.rs:4:53
[INFO] [stderr]   |
[INFO] [stderr] 4 | use super::atoms::{AtomLike, AtomHeader, AtomNodes, containers::ContainerAtoms};
[INFO] [stderr]   |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/parse_state.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::io::{Read, SeekFrom, Seek};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `BorrowMut` and `Borrow`
[INFO] [stderr]  --> src/parse_state.rs:6:19
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::borrow::{BorrowMut, Borrow};
[INFO] [stderr]   |                   ^^^^^^^^^  ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/parse_state.rs:81:52
[INFO] [stderr]    |
[INFO] [stderr] 81 |             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stderr]    |                                                    ^             ^
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] running 9 tests
[INFO] [stderr] help: remove these parentheses
[INFO] [stdout] test atoms::containers::can_parse_a_moov_atom ... ok
[INFO] [stderr]    |
[INFO] [stdout] test atoms::leaves::should_read_an_mvhd_atom ... ok
[INFO] [stderr] 81 -             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stdout] test atoms::leaves::test_read_of_ftyp ... ok
[INFO] [stderr] 81 +             retval = print_tree(f, child, depth+1, stuff == size);
[INFO] [stdout] test parse_state::tests::should_be_able_to_open_a_file ... ok
[INFO] [stderr]    |
[INFO] [stdout] test parse_state::tests::should_parse_atoms_as_nodes ... ok
[INFO] [stderr] 
[INFO] [stdout] test parse_state::tests::fails_on_a_non_existant_file ... ok
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stdout] test parse_state::tests::should_reject_a_file_if_not_of_valid_size ... ok
[INFO] [stderr]  --> src/atoms.rs:1:5
[INFO] [stdout] test atoms::containers::test_container ... ok
[INFO] [stderr]   |
[INFO] [stdout] test atoms::should_parse_a_header ... ok
[INFO] [stderr] 1 | use std::fs;
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: value assigned to `retval` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/parse_state.rs:72:24
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 72 |       let mut retval = Ok(());
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |                        ^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stderr] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stderr]    |           ------------------------------------------------------ `retval` is overwritten here before the previous value is read
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `retval` is never read
[INFO] [stderr]   --> src/parse_state.rs:75:11
[INFO] [stderr]    |
[INFO] [stderr] 75 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stderr] 76 |           retval = writeln!(f, "{} {}", prefix, AtomHeader::new_from(atom));
[INFO] [stderr]    |           ----------------------------------------------------------------- `retval` is overwritten here before the previous value is read
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `retval` is never read
[INFO] [stderr]   --> src/parse_state.rs:86:11
[INFO] [stderr]    |
[INFO] [stderr] 86 |           retval = write!(f, "{:width$}", "", width = (2*depth));
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `atom`
[INFO] [stderr]    --> src/atoms.rs:292:30
[INFO] [stderr]     |
[INFO] [stderr] 292 |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stderr]     |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_atom`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/atoms.rs:393:11
[INFO] [stderr]     |
[INFO] [stderr] 393 |       let mut location = atom_header.atom_location() + atom_header.header_size() as u64;
[INFO] [stderr]     |           ----^^^^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/atoms.rs:592:11
[INFO] [stderr]     |
[INFO] [stderr] 592 |       let mut buf = atom_header.read_atom(file)?;
[INFO] [stderr]     |           ----^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/atoms.rs:739:11
[INFO] [stderr]     |
[INFO] [stderr] 739 |       let mut bytes = header.read_atom(file)?;
[INFO] [stderr]     |           ----^^^^^
[INFO] [stderr]     |           |
[INFO] [stderr]     |           help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]    --> src/atoms.rs:746:11
[INFO] [stderr]     |
[INFO] [stderr] 746 |       for i in 0..result.num_features {
[INFO] [stderr]     |           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr] 
[INFO] [stderr] warning: field `filename` is never read
[INFO] [stderr]    --> src/parse_state.rs:147:3
[INFO] [stderr]     |
[INFO] [stderr] 146 | pub struct Parser {
[INFO] [stderr]     |            ------ field in this struct
[INFO] [stderr] 147 |   filename: String,
[INFO] [stderr]     |   ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `TkhdAtom` is never constructed
[INFO] [stderr]    --> src/atoms.rs:928:10
[INFO] [stderr]     |
[INFO] [stderr] 928 |   struct TkhdAtom {
[INFO] [stderr]     |          ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/parse_state.rs:171:5
[INFO] [stderr]     |
[INFO] [stderr] 171 |     self.file.seek(SeekFrom::Start(0));
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 171 |     let _ = self.file.seek(SeekFrom::Start(0));
[INFO] [stderr]     |     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:291:7
[INFO] [stderr]     |
[INFO] [stderr] 291 | /       match self {
[INFO] [stderr] 292 | |         ContainerAtoms::Root(atom) => writeln!(f, "/" ),
[INFO] [stderr] 293 | |         ContainerAtoms::Moov(atom) => writeln!(f, "{}", atom),
[INFO] [stderr] 294 | |         ContainerAtoms::Trak(atom) => writeln!(f, "{}", atom),
[INFO] [stderr] 295 | |       };
[INFO] [stderr]     | |_______^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 291 |       let _ = match self {
[INFO] [stderr]     |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:335:7
[INFO] [stderr]     |
[INFO] [stderr] 335 |       file.seek(SeekFrom::Start(0));
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 335 |       let _ = file.seek(SeekFrom::Start(0));
[INFO] [stderr]     |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:554:11
[INFO] [stderr]     |
[INFO] [stderr] 554 |           write!(f, "{}", atom);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 554 |           let _ = write!(f, "{}", atom);
[INFO] [stderr]     |           +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:558:11
[INFO] [stderr]     |
[INFO] [stderr] 558 |           write!(f, "{}", atom);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 558 |           let _ = write!(f, "{}", atom);
[INFO] [stderr]     |           +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:562:11
[INFO] [stderr]     |
[INFO] [stderr] 562 |           write!(f, "{}", atom);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 562 |           let _ = write!(f, "{}", atom);
[INFO] [stderr]     |           +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:566:11
[INFO] [stderr]     |
[INFO] [stderr] 566 |           write!(f, "{}", atom);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 566 |           let _ = write!(f, "{}", atom);
[INFO] [stderr]     |           +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:570:11
[INFO] [stderr]     |
[INFO] [stderr] 570 |           write!(f, "{}", atom);
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 570 |           let _ = write!(f, "{}", atom);
[INFO] [stderr]     |           +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:670:7
[INFO] [stderr]     |
[INFO] [stderr] 670 |       write!(f, "Wide: {}", self.atom_header);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 670 |       let _ = write!(f, "Wide: {}", self.atom_header);
[INFO] [stderr]     |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:743:7
[INFO] [stderr]     |
[INFO] [stderr] 743 |       bytes.read(&mut tmp);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 743 |       let _ = bytes.read(&mut tmp);
[INFO] [stderr]     |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/atoms.rs:852:7
[INFO] [stderr]     |
[INFO] [stderr] 852 |       file.read(&mut result.matrix);
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 852 |       let _ = file.read(&mut result.matrix);
[INFO] [stderr]     |       +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `media_atoms` (lib) generated 26 warnings (run `cargo fix --lib -p media_atoms` to apply 10 suggestions)
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |   if( args.len() != 2) {
[INFO] [stderr]   |     ^^               ^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]   |
[INFO] [stderr] 9 -   if( args.len() != 2) {
[INFO] [stderr] 9 +   if args.len() != 2 {
[INFO] [stderr]   |
[INFO] [stderr] 
[INFO] [stderr] warning: `media_atoms` (bin "media_atoms" test) generated 1 warning (run `cargo fix --bin "media_atoms" -p media_atoms --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `media_atoms` (lib test) generated 25 warnings (25 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/media_atoms-2ab4ad1e5184c25c)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/media_atoms-b67c056a5ba1620a)
[INFO] [stderr]    Doc-tests media_atoms
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/parse_state.rs:81:52
[INFO] [stderr]    |
[INFO] [stderr] 81 |             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stderr]    |                                                    ^             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 81 -             retval = print_tree(f, child, depth+1, (stuff == size));
[INFO] [stderr] 81 +             retval = print_tree(f, child, depth+1, stuff == size);
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc", kill_on_drop: false }`
[INFO] [stdout] 26c3312338e8adbfb6ff39469c70852719fade814617c4512ad5bcaa1f43d8cc
