[INFO] cloning repository https://github.com/co0p/rustmas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/co0p/rustmas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fco0p%2Frustmas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fco0p%2Frustmas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aead8450406ee0ce0e829b42f2058d3e30f6ef1
[INFO] checking co0p/rustmas against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fco0p%2Frustmas" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/co0p/rustmas 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/co0p/rustmas
[INFO] finished tweaking git repo https://github.com/co0p/rustmas
[INFO] tweaked toml for git repo https://github.com/co0p/rustmas written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/co0p/rustmas 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 92a0c6e7e862d798c5a8d5980a29c7968ce9ee8ca6c562f43b82334e4d13de4a
[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" "92a0c6e7e862d798c5a8d5980a29c7968ce9ee8ca6c562f43b82334e4d13de4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92a0c6e7e862d798c5a8d5980a29c7968ce9ee8ca6c562f43b82334e4d13de4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92a0c6e7e862d798c5a8d5980a29c7968ce9ee8ca6c562f43b82334e4d13de4a", kill_on_drop: false }`
[INFO] [stdout] 92a0c6e7e862d798c5a8d5980a29c7968ce9ee8ca6c562f43b82334e4d13de4a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 3f6c453bed695fd8ed7e53050d25e42d55926396755b9f021948114c368f6e9d
[INFO] running `Command { std: "docker" "start" "-a" "3f6c453bed695fd8ed7e53050d25e42d55926396755b9f021948114c368f6e9d", kill_on_drop: false }`
[INFO] [stderr]     Checking rustmas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]    --> src/day03one.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solve`
[INFO] [stdout]    --> src/day03one.rs:255:8
[INFO] [stdout]     |
[INFO] [stdout] 255 | pub fn solve() {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "3f6c453bed695fd8ed7e53050d25e42d55926396755b9f021948114c368f6e9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f6c453bed695fd8ed7e53050d25e42d55926396755b9f021948114c368f6e9d", kill_on_drop: false }`
[INFO] [stdout] 3f6c453bed695fd8ed7e53050d25e42d55926396755b9f021948114c368f6e9d