[INFO] cloning repository https://github.com/tedbyron/pngme
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tedbyron/pngme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbyron%2Fpngme", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbyron%2Fpngme'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 932519e0ff8f591cae3909f384840c512da86815
[INFO] checking tedbyron/pngme against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftedbyron%2Fpngme" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tedbyron/pngme
[INFO] finished tweaking git repo https://github.com/tedbyron/pngme
[INFO] tweaked toml for git repo https://github.com/tedbyron/pngme written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tedbyron/pngme on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tedbyron/pngme 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 27b3144335e7dd5bbf6e4f010ee49df814a661929f5eaf36cbbc86e1d9e4676f
[INFO] running `Command { std: "docker" "start" "-a" "27b3144335e7dd5bbf6e4f010ee49df814a661929f5eaf36cbbc86e1d9e4676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27b3144335e7dd5bbf6e4f010ee49df814a661929f5eaf36cbbc86e1d9e4676f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b3144335e7dd5bbf6e4f010ee49df814a661929f5eaf36cbbc86e1d9e4676f", kill_on_drop: false }`
[INFO] [stdout] 27b3144335e7dd5bbf6e4f010ee49df814a661929f5eaf36cbbc86e1d9e4676f
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 113c6c79d02af46906779aabe6a6d57081daca69d9a117ec8189a9ad32e737a6
[INFO] running `Command { std: "docker" "start" "-a" "113c6c79d02af46906779aabe6a6d57081daca69d9a117ec8189a9ad32e737a6", kill_on_drop: false }`
[INFO] [stderr]     Checking pngme v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0282]: type annotations needed for `Box<_>`
[INFO] [stdout]  --> src/cli.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args = env::args().collect::<Box<_>>();
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     match args.get(1).map(String::as_str) {
[INFO] [stdout]   |                --- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving `args` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Box<_> = env::args().collect::<Box<_>>();
[INFO] [stdout]   |             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed for `Box<_>`
[INFO] [stdout]  --> src/cli.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args = env::args().collect::<Box<_>>();
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 7 |     match args.get(1).map(String::as_str) {
[INFO] [stdout]   |                --- type must be known at this point
[INFO] [stdout]   |
[INFO] [stdout] help: consider giving `args` an explicit type, where the placeholders `_` are specified
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let args: Box<_> = env::args().collect::<Box<_>>();
[INFO] [stdout]   |             ++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pngme` (bin "pngme" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "113c6c79d02af46906779aabe6a6d57081daca69d9a117ec8189a9ad32e737a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "113c6c79d02af46906779aabe6a6d57081daca69d9a117ec8189a9ad32e737a6", kill_on_drop: false }`
[INFO] [stdout] 113c6c79d02af46906779aabe6a6d57081daca69d9a117ec8189a9ad32e737a6