[INFO] cloning repository https://github.com/hedonhermdev/png-message
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hedonhermdev/png-message" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fpng-message", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fpng-message'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c54017707e8ed5dbaacf3bcc54dabae41676a385
[INFO] testing hedonhermdev/png-message against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhedonhermdev%2Fpng-message" "/workspace/builds/worker-62/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-62/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hedonhermdev/png-message on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hedonhermdev/png-message
[INFO] finished tweaking git repo https://github.com/hedonhermdev/png-message
[INFO] tweaked toml for git repo https://github.com/hedonhermdev/png-message written to /workspace/builds/worker-62/source/Cargo.toml
[INFO] crate git repo https://github.com/hedonhermdev/png-message already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af01ff426175953327da4af5236c93f82f0996ab39f4edfb06954555fb7c46b3
[INFO] running `Command { std: "docker" "start" "-a" "af01ff426175953327da4af5236c93f82f0996ab39f4edfb06954555fb7c46b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af01ff426175953327da4af5236c93f82f0996ab39f4edfb06954555fb7c46b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af01ff426175953327da4af5236c93f82f0996ab39f4edfb06954555fb7c46b3", kill_on_drop: false }`
[INFO] [stdout] af01ff426175953327da4af5236c93f82f0996ab39f4edfb06954555fb7c46b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6f1b635652b9d065886ad8855e1200a20d29e2c44057cfd23e3e39e514b0537
[INFO] running `Command { std: "docker" "start" "-a" "d6f1b635652b9d065886ad8855e1200a20d29e2c44057cfd23e3e39e514b0537", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.31
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling structopt-derive v0.4.8
[INFO] [stderr]    Compiling structopt v0.3.15
[INFO] [stderr]    Compiling pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `data_as_string`
[INFO] [stdout]    --> src/chunk.rs:105:12
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn data_as_string(&self) -> Result<String, std::string::FromUtf8Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `crc`
[INFO] [stdout]    --> src/chunk.rs:109:12
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub fn crc(&self) -> u32 {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_reserved_bit_valid`
[INFO] [stdout]   --> src/chunk_type.rs:58:12
[INFO] [stdout]    |
[INFO] [stdout] 58 |     pub fn is_reserved_bit_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_critical`
[INFO] [stdout]   --> src/chunk_type.rs:62:12
[INFO] [stdout]    |
[INFO] [stdout] 62 |     pub fn is_critical(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_public`
[INFO] [stdout]   --> src/chunk_type.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub fn is_public(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_valid`
[INFO] [stdout]   --> src/chunk_type.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn is_valid(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `is_safe_to_copy`
[INFO] [stdout]   --> src/chunk_type.rs:74:12
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub fn is_safe_to_copy(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `from_chunks`
[INFO] [stdout]   --> src/png.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn from_chunks(chunks: Vec<Chunk>) -> Png {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `chunks`
[INFO] [stdout]   --> src/png.rs:89:12
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub fn chunks(&self) -> &[Chunk] {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.22s
[INFO] running `Command { std: "docker" "inspect" "d6f1b635652b9d065886ad8855e1200a20d29e2c44057cfd23e3e39e514b0537", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6f1b635652b9d065886ad8855e1200a20d29e2c44057cfd23e3e39e514b0537", kill_on_drop: false }`
[INFO] [stdout] d6f1b635652b9d065886ad8855e1200a20d29e2c44057cfd23e3e39e514b0537
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d21a53bc46174e282ebe5c04c27f7e3a04b70ba83b85afc827b12da749a3475a
[INFO] running `Command { std: "docker" "start" "-a" "d21a53bc46174e282ebe5c04c27f7e3a04b70ba83b85afc827b12da749a3475a", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.35s
[INFO] running `Command { std: "docker" "inspect" "d21a53bc46174e282ebe5c04c27f7e3a04b70ba83b85afc827b12da749a3475a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d21a53bc46174e282ebe5c04c27f7e3a04b70ba83b85afc827b12da749a3475a", kill_on_drop: false }`
[INFO] [stdout] d21a53bc46174e282ebe5c04c27f7e3a04b70ba83b85afc827b12da749a3475a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-62/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] dc498ece39d16b3747ec83e6e54c4cec7757535c06ce49dcf903960ff2058615
[INFO] running `Command { std: "docker" "start" "-a" "dc498ece39d16b3747ec83e6e54c4cec7757535c06ce49dcf903960ff2058615", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/pngme-42ddfada1024c743)
[INFO] [stdout] 
[INFO] [stdout] running 28 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_type ... ok
[INFO] [stdout] test chunk::tests::test_valid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk::tests::test_invalid_chunk_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_bytes ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_from_str ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_critical ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_critcal ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_not_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_public ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_reserved_bit_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_is_safe_to_copy ... 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_unsafe_to_copy ... ok
[INFO] [stdout] test chunk_type::tests::test_chunk_type_string ... ok
[INFO] [stdout] test chunk_type::tests::test_valid_chunk_is_valid ... ok
[INFO] [stdout] test chunk_type::tests::test_invalid_chunk_is_valid ... 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_as_bytes ... 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_list_chunks ... ok
[INFO] [stdout] test png::tests::test_png_from_image_file ... ok
[INFO] [stdout] test png::tests::test_remove_chunk ... ok
[INFO] [stdout] test png::tests::test_valid_from_bytes ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dc498ece39d16b3747ec83e6e54c4cec7757535c06ce49dcf903960ff2058615", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "rm" "-f" "dc498ece39d16b3747ec83e6e54c4cec7757535c06ce49dcf903960ff2058615", kill_on_drop: false }`
[ERROR] error running command: no output for 300 seconds
[ERROR] failed to delete container dc498ece39d16b3747ec83e6e54c4cec7757535c06ce49dcf903960ff2058615
[ERROR] caused by: no output for 300 seconds