[INFO] cloning repository https://github.com/DarthStrom/2015-Rust-Advent-of-Code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/DarthStrom/2015-Rust-Advent-of-Code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarthStrom%2F2015-Rust-Advent-of-Code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarthStrom%2F2015-Rust-Advent-of-Code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 10955ca5e181e65244f5ffad36f7150c200fb0d7
[INFO] checking DarthStrom/2015-Rust-Advent-of-Code against master#39b841dfe36f90a7cd111e7f0c55f32594f6e578 for pr-77035
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDarthStrom%2F2015-Rust-Advent-of-Code" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code on toolchain 39b841dfe36f90a7cd111e7f0c55f32594f6e578
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code
[INFO] finished tweaking git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code
[INFO] tweaked toml for git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/DarthStrom/2015-Rust-Advent-of-Code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 601a4245c745d0d773be33a3ba24ec9816ea0c083ba2c1a9f6b8e2f28f0b8bea
[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" "601a4245c745d0d773be33a3ba24ec9816ea0c083ba2c1a9f6b8e2f28f0b8bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "601a4245c745d0d773be33a3ba24ec9816ea0c083ba2c1a9f6b8e2f28f0b8bea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "601a4245c745d0d773be33a3ba24ec9816ea0c083ba2c1a9f6b8e2f28f0b8bea", kill_on_drop: false }`
[INFO] [stdout] 601a4245c745d0d773be33a3ba24ec9816ea0c083ba2c1a9f6b8e2f28f0b8bea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+39b841dfe36f90a7cd111e7f0c55f32594f6e578" "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] 75a62d6d3d6026ca1f7c737e1137d94c85f948e4fb7aba71064f3e924abcfb2e
[INFO] running `Command { std: "docker" "start" "-a" "75a62d6d3d6026ca1f7c737e1137d94c85f948e4fb7aba71064f3e924abcfb2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking permutohedron v0.2.4
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking y2015 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.72s
[INFO] running `Command { std: "docker" "inspect" "75a62d6d3d6026ca1f7c737e1137d94c85f948e4fb7aba71064f3e924abcfb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a62d6d3d6026ca1f7c737e1137d94c85f948e4fb7aba71064f3e924abcfb2e", kill_on_drop: false }`
[INFO] [stdout] 75a62d6d3d6026ca1f7c737e1137d94c85f948e4fb7aba71064f3e924abcfb2e