[INFO] cloning repository https://github.com/zac-garby/mex
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zac-garby/mex" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzac-garby%2Fmex", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzac-garby%2Fmex'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e9c0b3f7a77a4fdb493b0eb1c7a48f3775fdf10
[INFO] checking zac-garby/mex against try#1c5262aa6c045a581fb974488793f09ed51fc498 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzac-garby%2Fmex" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zac-garby/mex on toolchain 1c5262aa6c045a581fb974488793f09ed51fc498
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zac-garby/mex
[INFO] finished tweaking git repo https://github.com/zac-garby/mex
[INFO] tweaked toml for git repo https://github.com/zac-garby/mex written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/zac-garby/mex already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "metadata" "--no-deps" "--format-version=1", 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] 1cc072384ca5f2521239b49449f25b83e38e7f8252165c3b3a3bbb557473de2b
[INFO] running `Command { std: "docker" "start" "-a" "1cc072384ca5f2521239b49449f25b83e38e7f8252165c3b3a3bbb557473de2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cc072384ca5f2521239b49449f25b83e38e7f8252165c3b3a3bbb557473de2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc072384ca5f2521239b49449f25b83e38e7f8252165c3b3a3bbb557473de2b", kill_on_drop: false }`
[INFO] [stdout] 1cc072384ca5f2521239b49449f25b83e38e7f8252165c3b3a3bbb557473de2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1c5262aa6c045a581fb974488793f09ed51fc498" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 170db8ad90e94a13353df90d6ac069ff78a041b3a1d1d6e1df2e14dde2f03826
[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" "170db8ad90e94a13353df90d6ac069ff78a041b3a1d1d6e1df2e14dde2f03826", kill_on_drop: false }`
[INFO] [stderr]     Checking mex v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "170db8ad90e94a13353df90d6ac069ff78a041b3a1d1d6e1df2e14dde2f03826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170db8ad90e94a13353df90d6ac069ff78a041b3a1d1d6e1df2e14dde2f03826", kill_on_drop: false }`
[INFO] [stdout] 170db8ad90e94a13353df90d6ac069ff78a041b3a1d1d6e1df2e14dde2f03826