[INFO] cloning repository https://github.com/marcel-baur/png-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marcel-baur/png-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcel-baur%2Fpng-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcel-baur%2Fpng-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 173a9f783c2995b7b4f752635ed20778171773e7
[INFO] checking marcel-baur/png-me against try#83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1 for pr-134021
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarcel-baur%2Fpng-me" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/marcel-baur/png-me
[INFO] finished tweaking git repo https://github.com/marcel-baur/png-me
[INFO] tweaked toml for git repo https://github.com/marcel-baur/png-me written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/marcel-baur/png-me on toolchain 83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/marcel-baur/png-me 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" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded des v0.7.0
[INFO] [stderr]   Downloaded magic-crypt v3.1.9
[INFO] [stderr]   Downloaded generic-array v0.14.5
[INFO] [stderr]   Downloaded tiger v0.1.0
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[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded debug-helper v0.3.12
[INFO] [stderr]   Downloaded block-modes v0.8.1
[INFO] [stderr]   Downloaded quote v1.0.15
[INFO] [stderr]   Downloaded clap_derive v3.0.14
[INFO] [stderr]   Downloaded proc-macro2 v1.0.36
[INFO] [stderr]   Downloaded anyhow v1.0.53
[INFO] [stderr]   Downloaded crc-any v2.4.1
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[INFO] [stderr]   Downloaded clap v3.0.14
[INFO] [stderr]   Downloaded syn v1.0.86
[INFO] [stderr]   Downloaded libc v0.2.118
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad
[INFO] running `Command { std: "docker" "start" "7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad", 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" "7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad" "/opt/rustwide/cargo-home/bin/cargo" "+83ec5b3aeb5925d43b5be7b50c090f2f0336fcc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling build_const v0.2.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling anyhow v1.0.53
[INFO] [stderr]     Checking debug-helper v0.3.12
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking crc-any v2.4.1
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking tiger v0.1.0
[INFO] [stderr]     Checking md-5 v0.9.1
[INFO] [stderr]     Checking des v0.7.0
[INFO] [stderr]     Checking block-modes v0.8.1
[INFO] [stderr]     Checking aes v0.7.5
[INFO] [stderr]     Checking magic-crypt v3.1.9
[INFO] [stderr]    Compiling clap_derive v3.0.14
[INFO] [stderr]     Checking clap v3.0.14
[INFO] [stderr]     Checking pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::chunk_type::ChunkType`
[INFO] [stdout]    --> src/chunk.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 118 |     use crate::chunk_type::ChunkType;
[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: `std::str::FromStr`
[INFO] [stdout]    --> src/chunk.rs:119:9
[INFO] [stdout]     |
[INFO] [stdout] 119 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_err`, `is_critical`, `is_public`, `is_reserved_bit_valid`, and `is_safe_to_copy` are never used
[INFO] [stdout]   --> src/chunk_type.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ChunkType {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn is_err(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn is_public(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_valid_ascii` is never used
[INFO] [stdout]    --> src/chunk_type.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn check_valid_ascii(ubyte: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_uppercase` is never used
[INFO] [stdout]    --> src/chunk_type.rs:117:4
[INFO] [stdout]     |
[INFO] [stdout] 117 | fn is_uppercase(ubyte: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `from_chunks` is never used
[INFO] [stdout]   --> src/png.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Png {
[INFO] [stdout]    | -------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 12 |     pub fn from_chunks(chunks: Vec<Chunk>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCrc` is never constructed
[INFO] [stdout]   --> src/png.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum PNGError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 66 |     InvalidCrc
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PNGError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing_chunks` is never used
[INFO] [stdout]    --> src/png.rs:125:8
[INFO] [stdout]     |
[INFO] [stdout] 125 |     fn testing_chunks() -> Vec<Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `testing_png` is never used
[INFO] [stdout]    --> src/png.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 |     fn testing_png() -> Png {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `chunk_from_strings` is never used
[INFO] [stdout]    --> src/png.rs:141:8
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn chunk_from_strings(chunk_type: &str, data: &str) -> Result<Chunk> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PNG_FILE` is never used
[INFO] [stdout]    --> src/png.rs:284:11
[INFO] [stdout]     |
[INFO] [stdout] 284 |     const PNG_FILE: [u8; 4803] = [
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/chunk.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut_value = value.clone();
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/png.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut_value = value.clone();
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> src/chunk.rs:212:13
[INFO] [stdout]     |
[INFO] [stdout] 212 |         let err = chunk.is_err();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `png`
[INFO] [stdout]    --> src/png.rs:278:13
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let png: Png = TryFrom::try_from(bytes.as_ref()).unwrap();
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_png`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_err` is never used
[INFO] [stdout]   --> src/chunk_type.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl ChunkType {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     fn is_err(&self) -> bool {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_valid_ascii` is never used
[INFO] [stdout]    --> src/chunk_type.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn check_valid_ascii(ubyte: u8) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InvalidCrc` is never constructed
[INFO] [stdout]   --> src/png.rs:66:5
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub enum PNGError {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 66 |     InvalidCrc
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PNGError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/chunk.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut_value = value.clone();
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout]    = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]   --> src/png.rs:85:30
[INFO] [stdout]    |
[INFO] [stdout] 85 |         let mut_value = value.clone();
[INFO] [stdout]    |                              ^^^^^^^^ help: remove this redundant call
[INFO] [stdout]    |
[INFO] [stdout]    = note: the type `[u8]` does not implement `Clone`, so calling `clone` on `&[u8]` copies the reference, which does not do anything and can be removed
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.33s
[INFO] running `Command { std: "docker" "inspect" "7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad", kill_on_drop: false }`
[INFO] [stdout] 7e8a1c819fc720580b1d12c9aefb8eb11ab7305deac81c9faa632ccbaa18a9ad
