[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#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmslynch%2Fadventofcode2016" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mslynch/adventofcode2016 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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-2/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" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5563f8de85dc626c4e6ac784ede3f4a1bb5c7e86c22212a5be34e7483d529858
[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" "5563f8de85dc626c4e6ac784ede3f4a1bb5c7e86c22212a5be34e7483d529858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5563f8de85dc626c4e6ac784ede3f4a1bb5c7e86c22212a5be34e7483d529858", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5563f8de85dc626c4e6ac784ede3f4a1bb5c7e86c22212a5be34e7483d529858", kill_on_drop: false }`
[INFO] [stdout] 5563f8de85dc626c4e6ac784ede3f4a1bb5c7e86c22212a5be34e7483d529858
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9b579a9cb9f6ae4f262aae5bf0f834cb239a9af1f1a3a737d019d55a08800e4
[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" "f9b579a9cb9f6ae4f262aae5bf0f834cb239a9af1f1a3a737d019d55a08800e4", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking rpds v0.6.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling im v12.3.4
[INFO] [stderr]     Checking sized-chunks v0.1.3
[INFO] [stderr]     Checking fancy-regex v0.2.0
[INFO] [stderr]     Checking adventofcode2016 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.11s
[INFO] running `Command { std: "docker" "inspect" "f9b579a9cb9f6ae4f262aae5bf0f834cb239a9af1f1a3a737d019d55a08800e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9b579a9cb9f6ae4f262aae5bf0f834cb239a9af1f1a3a737d019d55a08800e4", kill_on_drop: false }`
[INFO] [stdout] f9b579a9cb9f6ae4f262aae5bf0f834cb239a9af1f1a3a737d019d55a08800e4