[INFO] cloning repository https://github.com/jamesmcl113/pngchunk
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jamesmcl113/pngchunk" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmcl113%2Fpngchunk", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmcl113%2Fpngchunk'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d9445ef8af1e98bdc05713e81b5abb614dcf1e0
[INFO] testing jamesmcl113/pngchunk against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjamesmcl113%2Fpngchunk" "/workspace/builds/worker-55/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-55/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jamesmcl113/pngchunk on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jamesmcl113/pngchunk
[INFO] finished tweaking git repo https://github.com/jamesmcl113/pngchunk
[INFO] tweaked toml for git repo https://github.com/jamesmcl113/pngchunk written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] crate git repo https://github.com/jamesmcl113/pngchunk already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bffeda306de8f4ca68d86bfc0ab172cbb5ed4ba254dec3f63d9f90a118ce1b5
[INFO] running `Command { std: "docker" "start" "-a" "8bffeda306de8f4ca68d86bfc0ab172cbb5ed4ba254dec3f63d9f90a118ce1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bffeda306de8f4ca68d86bfc0ab172cbb5ed4ba254dec3f63d9f90a118ce1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bffeda306de8f4ca68d86bfc0ab172cbb5ed4ba254dec3f63d9f90a118ce1b5", kill_on_drop: false }`
[INFO] [stdout] 8bffeda306de8f4ca68d86bfc0ab172cbb5ed4ba254dec3f63d9f90a118ce1b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72667744189b1c85efe52323ea4ad5d1b8488ba83708d1e1c01f9b9bd2ff2573
[INFO] running `Command { std: "docker" "start" "-a" "72667744189b1c85efe52323ea4ad5d1b8488ba83708d1e1c01f9b9bd2ff2573", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling crc-catalog v1.1.1
[INFO] [stderr]    Compiling crc v2.1.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.26
[INFO] [stderr]    Compiling pngchunk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `from_chunks`
[INFO] [stdout]   --> src/png.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn from_chunks(chunks: Vec<Chunk>) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.50s
[INFO] running `Command { std: "docker" "inspect" "72667744189b1c85efe52323ea4ad5d1b8488ba83708d1e1c01f9b9bd2ff2573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72667744189b1c85efe52323ea4ad5d1b8488ba83708d1e1c01f9b9bd2ff2573", kill_on_drop: false }`
[INFO] [stdout] 72667744189b1c85efe52323ea4ad5d1b8488ba83708d1e1c01f9b9bd2ff2573
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc90b55a30d4fe0ffbea416792b6dd4f5bc9acf03baf9f2da321f0a5afd121fd
[INFO] running `Command { std: "docker" "start" "-a" "bc90b55a30d4fe0ffbea416792b6dd4f5bc9acf03baf9f2da321f0a5afd121fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngchunk v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromStr` is imported redundantly
[INFO] [stdout]    --> src/png.rs:125:13
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use std::str::FromStr;
[INFO] [stdout]     |         ----------------- the item `FromStr` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 125 |         use std::str::FromStr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]    --> src/png.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use std::str::FromStr;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.79s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/pngchunk-8057d449efe15245)
[INFO] running `Command { std: "docker" "inspect" "bc90b55a30d4fe0ffbea416792b6dd4f5bc9acf03baf9f2da321f0a5afd121fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc90b55a30d4fe0ffbea416792b6dd4f5bc9acf03baf9f2da321f0a5afd121fd", kill_on_drop: false }`
[INFO] [stdout] bc90b55a30d4fe0ffbea416792b6dd4f5bc9acf03baf9f2da321f0a5afd121fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/source:/opt/rustwide/workdir:ro,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" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9069bd7915ca738c8889754cec7316a4abfc9af16ed292c989b271298fd6b402
[INFO] running `Command { std: "docker" "start" "-a" "9069bd7915ca738c8889754cec7316a4abfc9af16ed292c989b271298fd6b402", kill_on_drop: false }`
[INFO] [stderr] warning: the item `FromStr` is imported redundantly
[INFO] [stderr]    --> src/png.rs:125:13
[INFO] [stderr]     |
[INFO] [stderr] 107 |     use std::str::FromStr;
[INFO] [stderr]     |         ----------------- the item `FromStr` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 125 |         use std::str::FromStr;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str::FromStr`
[INFO] [stderr]    --> src/png.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |     use std::str::FromStr;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pngchunk` (bin "pngchunk" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngchunk-8057d449efe15245)
[INFO] [stdout] 
[INFO] [stdout] running 33 tests
[INFO] [stdout] test chunk::tests::test_chunk_crc ... ok
[INFO] [stdout] test chunk::tests::test_chunk_length ... ok
[INFO] [stdout] test chunk::tests::test_chunk_string ... ok
[INFO] [stdout] test chunk::tests::test_chunk_type ... ok
[INFO] [stdout] test chunk::tests::test_chunk_trait_impls ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_str ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_safe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_trait_impls ... ok
[INFO] [stdout] test chunk_type::tests::test_invalid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_unsafe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_string ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_invalid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_critical ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_new_chunk ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_valid ... ok
[INFO] [stdout] test png::tests::test_as_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_public ... ok
[INFO] [stdout] test png::tests::test_append_chunk ... ok
[INFO] [stdout] test png::tests::test_from_chunks ... ok
[INFO] [stdout] test png::tests::test_chunk_by_type ... ok
[INFO] [stdout] test png::tests::test_invalid_chunk ... ok
[INFO] [stdout] test png::tests::test_invalid_header ... ok
[INFO] [stdout] test png::tests::test_png_trait_impls ... ok
[INFO] [stdout] test png::tests::test_png_from_image_file ... ok
[INFO] [stdout] test png::tests::test_list_chunks ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 33 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9069bd7915ca738c8889754cec7316a4abfc9af16ed292c989b271298fd6b402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9069bd7915ca738c8889754cec7316a4abfc9af16ed292c989b271298fd6b402", kill_on_drop: false }`
[INFO] [stdout] 9069bd7915ca738c8889754cec7316a4abfc9af16ed292c989b271298fd6b402