[INFO] cloning repository https://github.com/matee8/pngme_implementation
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/matee8/pngme_implementation" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatee8%2Fpngme_implementation", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatee8%2Fpngme_implementation'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 682fe2b1af086f6329d9567116c6c62100f1a7e3
[INFO] checking matee8/pngme_implementation against master#368e2fd458a22d0cc133d0c254f2612ee999744f for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatee8%2Fpngme_implementation" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matee8/pngme_implementation on toolchain 368e2fd458a22d0cc133d0c254f2612ee999744f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matee8/pngme_implementation
[INFO] finished tweaking git repo https://github.com/matee8/pngme_implementation
[INFO] tweaked toml for git repo https://github.com/matee8/pngme_implementation written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/matee8/pngme_implementation 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" "+368e2fd458a22d0cc133d0c254f2612ee999744f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] checking matee8/pngme_implementation against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatee8%2Fpngme_implementation" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matee8/pngme_implementation on toolchain 09146510cdb33d15474a35fde290187a88b1cf35
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matee8/pngme_implementation
[INFO] finished tweaking git repo https://github.com/matee8/pngme_implementation
[INFO] tweaked toml for git repo https://github.com/matee8/pngme_implementation written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matee8/pngme_implementation 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" "+09146510cdb33d15474a35fde290187a88b1cf35" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking matee8/pngme_implementation against try#09146510cdb33d15474a35fde290187a88b1cf35 for pr-128351
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmatee8%2Fpngme_implementation" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/matee8/pngme_implementation on toolchain 09146510cdb33d15474a35fde290187a88b1cf35
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/matee8/pngme_implementation
[INFO] finished tweaking git repo https://github.com/matee8/pngme_implementation
[INFO] tweaked toml for git repo https://github.com/matee8/pngme_implementation written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/matee8/pngme_implementation 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" "+09146510cdb33d15474a35fde290187a88b1cf35" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.82
[INFO] [stderr]   Downloaded crc v3.2.1
[INFO] [stderr]   Downloaded syn v2.0.63
[INFO] [stderr]   Downloaded libc v0.2.154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dfbb2357ff55969882ac34f3c0751e5aa02da126bb41ed8b0c29dd394ea793d
[INFO] running `Command { std: "docker" "start" "-a" "8dfbb2357ff55969882ac34f3c0751e5aa02da126bb41ed8b0c29dd394ea793d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dfbb2357ff55969882ac34f3c0751e5aa02da126bb41ed8b0c29dd394ea793d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dfbb2357ff55969882ac34f3c0751e5aa02da126bb41ed8b0c29dd394ea793d", kill_on_drop: false }`
[INFO] [stdout] 8dfbb2357ff55969882ac34f3c0751e5aa02da126bb41ed8b0c29dd394ea793d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+09146510cdb33d15474a35fde290187a88b1cf35" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07145fb6b8b542124dfcce6692533ee144cce9824b8e3e2e89c7d3f43f564028
[INFO] running `Command { std: "docker" "start" "-a" "07145fb6b8b542124dfcce6692533ee144cce9824b8e3e2e89c7d3f43f564028", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.82
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking unicode-width v0.1.12
[INFO] [stderr]     Checking anstyle-query v1.0.3
[INFO] [stderr]     Checking colorchoice v1.0.1
[INFO] [stderr]     Checking anstyle v1.0.7
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking crc-catalog v2.4.0
[INFO] [stderr]     Checking anstyle-parse v0.2.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]     Checking anstream v0.6.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.63
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Vec<&chunk::Chunk>` in the current scope
[INFO] [stdout]    --> src/png.rs:226:47
[INFO] [stdout]     |
[INFO] [stdout] 226 |         let chunk = png.chunk_by_type("FrSt").unwrap();
[INFO] [stdout]     |                                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `swap` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/core/src/slice/mod.rs:882:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `Vec<&chunk::Chunk>` in the current scope
[INFO] [stdout]    --> src/png.rs:235:47
[INFO] [stdout]     |
[INFO] [stdout] 235 |         let chunk = png.chunk_by_type("TeSt").unwrap();
[INFO] [stdout]     |                                               ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: there is a method `swap` with a similar name, but with different arguments
[INFO] [stdout]    --> /rustc/09146510cdb33d15474a35fde290187a88b1cf35/library/core/src/slice/mod.rs:882:5
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `is_none` found for struct `Vec<&chunk::Chunk>` in the current scope
[INFO] [stdout]    --> src/png.rs:246:23
[INFO] [stdout]     |
[INFO] [stdout] 246 |         assert!(chunk.is_none());
[INFO] [stdout]     |                       ^^^^^^^ method not found in `Vec<&Chunk>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "07145fb6b8b542124dfcce6692533ee144cce9824b8e3e2e89c7d3f43f564028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07145fb6b8b542124dfcce6692533ee144cce9824b8e3e2e89c7d3f43f564028", kill_on_drop: false }`
[INFO] [stdout] 07145fb6b8b542124dfcce6692533ee144cce9824b8e3e2e89c7d3f43f564028