[INFO] cloning repository https://github.com/upsd/rusty-maths
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/upsd/rusty-maths" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsd%2Frusty-maths", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsd%2Frusty-maths'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d8afe19cad6d7cf3c28e28b05d5e3deef93fd3f0
[INFO] checking upsd/rusty-maths against try#9cfe725f0995b018340c519db1b2f3cf8a7e0631 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fupsd%2Frusty-maths" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/upsd/rusty-maths on toolchain 9cfe725f0995b018340c519db1b2f3cf8a7e0631
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/upsd/rusty-maths
[INFO] finished tweaking git repo https://github.com/upsd/rusty-maths
[INFO] tweaked toml for git repo https://github.com/upsd/rusty-maths written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/upsd/rusty-maths already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "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] 131dd4f98df590694ca71e9ed827b56198b7f85fd5fb91d3fac5069305b732ce
[INFO] running `Command { std: "docker" "start" "-a" "131dd4f98df590694ca71e9ed827b56198b7f85fd5fb91d3fac5069305b732ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "131dd4f98df590694ca71e9ed827b56198b7f85fd5fb91d3fac5069305b732ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "131dd4f98df590694ca71e9ed827b56198b7f85fd5fb91d3fac5069305b732ce", kill_on_drop: false }`
[INFO] [stdout] 131dd4f98df590694ca71e9ed827b56198b7f85fd5fb91d3fac5069305b732ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+9cfe725f0995b018340c519db1b2f3cf8a7e0631" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d5b8b0679f99d4ed1cdb15624dca642e49ac0ff7438edd203fb8908e4610da5
[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" "9d5b8b0679f99d4ed1cdb15624dca642e49ac0ff7438edd203fb8908e4610da5", kill_on_drop: false }`
[INFO] [stderr]     Checking rusty_maths v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "9d5b8b0679f99d4ed1cdb15624dca642e49ac0ff7438edd203fb8908e4610da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5b8b0679f99d4ed1cdb15624dca642e49ac0ff7438edd203fb8908e4610da5", kill_on_drop: false }`
[INFO] [stdout] 9d5b8b0679f99d4ed1cdb15624dca642e49ac0ff7438edd203fb8908e4610da5