[INFO] cloning repository https://github.com/mslynch/adventofcode2016
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mslynch/adventofcode2016" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmslynch%2Fadventofcode2016", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmslynch%2Fadventofcode2016'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a3f4b8d0ff5f71873da766172ccfe22908a147f5
[INFO] checking mslynch/adventofcode2016 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmslynch%2Fadventofcode2016" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mslynch/adventofcode2016 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mslynch/adventofcode2016
[INFO] finished tweaking git repo https://github.com/mslynch/adventofcode2016
[INFO] tweaked toml for git repo https://github.com/mslynch/adventofcode2016 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mslynch/adventofcode2016 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sized-chunks v0.1.3
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded im v12.3.4
[INFO] [stderr]   Downloaded rpds v0.6.0
[INFO] [stderr]   Downloaded fancy-regex v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1763416b8a7ac847b27e91f636c654e6120d1f532cba0672f59490301904dfb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e1763416b8a7ac847b27e91f636c654e6120d1f532cba0672f59490301904dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1763416b8a7ac847b27e91f636c654e6120d1f532cba0672f59490301904dfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1763416b8a7ac847b27e91f636c654e6120d1f532cba0672f59490301904dfb", kill_on_drop: false }`
[INFO] [stdout] e1763416b8a7ac847b27e91f636c654e6120d1f532cba0672f59490301904dfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d69cbd1da2c5edffd8b53ba10f88a47f863ff467795bfdafc7f68ca6e88753a4
[INFO] running `Command { std: "docker" "start" "-a" "d69cbd1da2c5edffd8b53ba10f88a47f863ff467795bfdafc7f68ca6e88753a4", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking bit-vec v0.5.1
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking rpds v0.6.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking bit-set v0.5.1
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking fancy-regex v0.2.0
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking adventofcode2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.11s
[INFO] running `Command { std: "docker" "inspect" "d69cbd1da2c5edffd8b53ba10f88a47f863ff467795bfdafc7f68ca6e88753a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69cbd1da2c5edffd8b53ba10f88a47f863ff467795bfdafc7f68ca6e88753a4", kill_on_drop: false }`
[INFO] [stdout] d69cbd1da2c5edffd8b53ba10f88a47f863ff467795bfdafc7f68ca6e88753a4