[INFO] cloning repository https://github.com/selfup/metal_tron
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/selfup/metal_tron" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselfup%2Fmetal_tron", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselfup%2Fmetal_tron'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bca7e5740628848af19e655da739d7cdae19111
[INFO] checking selfup/metal_tron against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fselfup%2Fmetal_tron" "/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/selfup/metal_tron on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/selfup/metal_tron
[INFO] finished tweaking git repo https://github.com/selfup/metal_tron
[INFO] tweaked toml for git repo https://github.com/selfup/metal_tron written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/selfup/metal_tron already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c74c9e9a4e97b74b8b3cf69bd450644af1b40e1ca696bc316aeb4177f19dc7c
[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" "0c74c9e9a4e97b74b8b3cf69bd450644af1b40e1ca696bc316aeb4177f19dc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c74c9e9a4e97b74b8b3cf69bd450644af1b40e1ca696bc316aeb4177f19dc7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c74c9e9a4e97b74b8b3cf69bd450644af1b40e1ca696bc316aeb4177f19dc7c", kill_on_drop: false }`
[INFO] [stdout] 0c74c9e9a4e97b74b8b3cf69bd450644af1b40e1ca696bc316aeb4177f19dc7c
[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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a3f45b17c2e522ffc6b849676daa8c29e3d2517ae7c5d3bd06b486fa1dadb6b2
[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" "a3f45b17c2e522ffc6b849676daa8c29e3d2517ae7c5d3bd06b486fa1dadb6b2", kill_on_drop: false }`
[INFO] [stderr]     Checking metal_tron v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "a3f45b17c2e522ffc6b849676daa8c29e3d2517ae7c5d3bd06b486fa1dadb6b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f45b17c2e522ffc6b849676daa8c29e3d2517ae7c5d3bd06b486fa1dadb6b2", kill_on_drop: false }`
[INFO] [stdout] a3f45b17c2e522ffc6b849676daa8c29e3d2517ae7c5d3bd06b486fa1dadb6b2