[INFO] cloning repository https://github.com/callumobrien-bluefruit/png2l4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/callumobrien-bluefruit/png2l4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallumobrien-bluefruit%2Fpng2l4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallumobrien-bluefruit%2Fpng2l4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 844b4621e0d3f06bebe23fe10da81cd58cdd8f29
[INFO] checking callumobrien-bluefruit/png2l4 against try#7c3a44cf5f95fa5cf164a312bdcf845157af7093 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcallumobrien-bluefruit%2Fpng2l4" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/callumobrien-bluefruit/png2l4 on toolchain 7c3a44cf5f95fa5cf164a312bdcf845157af7093
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/callumobrien-bluefruit/png2l4
[INFO] finished tweaking git repo https://github.com/callumobrien-bluefruit/png2l4
[INFO] tweaked toml for git repo https://github.com/callumobrien-bluefruit/png2l4 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/callumobrien-bluefruit/png2l4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14b1df013c2fde0e6fc470cd7bb8b09c9007a1ad87eb2dddb6b99378e1bcecde
[INFO] running `Command { std: "docker" "start" "-a" "14b1df013c2fde0e6fc470cd7bb8b09c9007a1ad87eb2dddb6b99378e1bcecde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14b1df013c2fde0e6fc470cd7bb8b09c9007a1ad87eb2dddb6b99378e1bcecde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14b1df013c2fde0e6fc470cd7bb8b09c9007a1ad87eb2dddb6b99378e1bcecde", kill_on_drop: false }`
[INFO] [stdout] 14b1df013c2fde0e6fc470cd7bb8b09c9007a1ad87eb2dddb6b99378e1bcecde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7c3a44cf5f95fa5cf164a312bdcf845157af7093" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bcfcb2b8ab958f188b9a63333fa889ac7f39ae5ce06891dea23cce3bbd97a8a
[INFO] running `Command { std: "docker" "start" "-a" "2bcfcb2b8ab958f188b9a63333fa889ac7f39ae5ce06891dea23cce3bbd97a8a", 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]    Compiling autocfg v0.1.4
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking png2l4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "2bcfcb2b8ab958f188b9a63333fa889ac7f39ae5ce06891dea23cce3bbd97a8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bcfcb2b8ab958f188b9a63333fa889ac7f39ae5ce06891dea23cce3bbd97a8a", kill_on_drop: false }`
[INFO] [stdout] 2bcfcb2b8ab958f188b9a63333fa889ac7f39ae5ce06891dea23cce3bbd97a8a