[INFO] fetching crate dir-tree-obj 0.1.3...
[INFO] testing dir-tree-obj-0.1.3 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate dir-tree-obj 0.1.3 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate dir-tree-obj 0.1.3
[INFO] finished tweaking crates.io crate dir-tree-obj 0.1.3
[INFO] tweaked toml for crates.io crate dir-tree-obj 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate dir-tree-obj 0.1.3 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate dir-tree-obj 0.1.3 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289
[INFO] running `Command { std: "docker" "start" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289", 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" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289", 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" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling dir-tree-obj v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/directory.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, error::Error, fs::ReadDir};
[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: `HashDirectory`
[INFO] [stdout]  --> src/directory.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{DirError, FileBuffer, HashDirectory};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/file.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{Read, Write}, ops::{Deref, DerefMut}};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]    --> src/directory.rs:176:32
[INFO] [stdout]     |
[INFO] [stdout] 176 |             Self::File { name, contents } => {
[INFO] [stdout]     |                                ^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/directory.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let file_path = if path.is_empty() {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/file.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[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] [stderr]     Finished `release` profile [optimized] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289", 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" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling dir-tree-obj v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/directory.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, error::Error, fs::ReadDir};
[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: `HashDirectory`
[INFO] [stdout]  --> src/directory.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{DirError, FileBuffer, HashDirectory};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/file.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{Read, Write}, ops::{Deref, DerefMut}};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]    --> src/directory.rs:176:32
[INFO] [stdout]     |
[INFO] [stdout] 176 |             Self::File { name, contents } => {
[INFO] [stdout]     |                                ^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/directory.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let file_path = if path.is_empty() {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/file.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[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: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/directory.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, error::Error, fs::ReadDir};
[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: `HashDirectory`
[INFO] [stdout]  --> src/directory.rs:3:35
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{DirError, FileBuffer, HashDirectory};
[INFO] [stdout]   |                                   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Read`
[INFO] [stdout]  --> src/file.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io::{Read, Write}, ops::{Deref, DerefMut}};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `contents`
[INFO] [stdout]    --> src/directory.rs:176:32
[INFO] [stdout]     |
[INFO] [stdout] 176 |             Self::File { name, contents } => {
[INFO] [stdout]     |                                ^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_path`
[INFO] [stdout]    --> src/directory.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |                 let file_path = if path.is_empty() {
[INFO] [stdout]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/file.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[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] [stderr]     Finished `release` profile [optimized] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289", 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" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `collections::HashMap`
[INFO] [stderr]  --> src/directory.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, error::Error, fs::ReadDir};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `HashDirectory`
[INFO] [stderr]  --> src/directory.rs:3:35
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{DirError, FileBuffer, HashDirectory};
[INFO] [stderr]   |                                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Read`
[INFO] [stderr]  --> src/file.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{io::{Read, Write}, ops::{Deref, DerefMut}};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `contents`
[INFO] [stderr]    --> src/directory.rs:176:32
[INFO] [stderr]     |
[INFO] [stderr] 176 |             Self::File { name, contents } => {
[INFO] [stderr]     |                                ^^^^^^^^ help: try ignoring the field: `contents: _`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file_path`
[INFO] [stderr]    --> src/directory.rs:177:21
[INFO] [stderr]     |
[INFO] [stderr] 177 |                 let file_path = if path.is_empty() {
[INFO] [stderr]     |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_path`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/file.rs:28:29
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn write_all(&mut self, mut buf: &[u8]) -> std::io::Result<()> {
[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: `dir-tree-obj` (lib) generated 6 warnings (run `cargo fix --lib -p dir-tree-obj` to apply 6 suggestions)
[INFO] [stderr] warning: `dir-tree-obj` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/dir-tree-obj/a8a9b385babfc807/out/dir_tree_obj-a8a9b385babfc807)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dir_tree_obj
[INFO] [stdout] running 0 tests
[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] [stdout] 
[INFO] [stdout] running 0 tests
[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" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289", kill_on_drop: false }`
[INFO] [stdout] b7693fc6216bfb20053e5f27ff4a47257388649a1260fa5e5412e0136ee81289
