[INFO] cloning repository https://github.com/drm2/ncm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drm2/ncm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrm2%2Fncm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrm2%2Fncm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0cd9722e7400099cfcfb2efc8d894ba416a0fa7
[INFO] checking drm2/ncm against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrm2%2Fncm" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/drm2/ncm on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drm2/ncm
[INFO] finished tweaking git repo https://github.com/drm2/ncm
[INFO] tweaked toml for git repo https://github.com/drm2/ncm written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/drm2/ncm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.3
[INFO] [stderr]   Downloaded term_size v0.2.1
[INFO] [stderr]   Downloaded libc v0.2.16
[INFO] [stderr]   Downloaded yaml-rust v0.3.3
[INFO] [stderr]   Downloaded clap v2.12.1
[INFO] [stderr]   Downloaded unicode-segmentation v0.1.2
[INFO] [stderr]   Downloaded strsim v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] cd85f0dc264cbfffbe9817ae95d47eec3ed6b0931b6def3183a1992fb4a4c558
[INFO] running `Command { std: "docker" "start" "-a" "cd85f0dc264cbfffbe9817ae95d47eec3ed6b0931b6def3183a1992fb4a4c558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd85f0dc264cbfffbe9817ae95d47eec3ed6b0931b6def3183a1992fb4a4c558", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd85f0dc264cbfffbe9817ae95d47eec3ed6b0931b6def3183a1992fb4a4c558", kill_on_drop: false }`
[INFO] [stdout] cd85f0dc264cbfffbe9817ae95d47eec3ed6b0931b6def3183a1992fb4a4c558
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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] 9202cf97e81ecd523120569fbde66be8866d4c37ec87eb2490624fa17bef170f
[INFO] running `Command { std: "docker" "start" "-a" "9202cf97e81ecd523120569fbde66be8866d4c37ec87eb2490624fa17bef170f", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.16
[INFO] [stderr]     Checking strsim v0.5.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking yaml-rust v0.3.3
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.12.1
[INFO] [stderr]     Checking ncm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "9202cf97e81ecd523120569fbde66be8866d4c37ec87eb2490624fa17bef170f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9202cf97e81ecd523120569fbde66be8866d4c37ec87eb2490624fa17bef170f", kill_on_drop: false }`
[INFO] [stdout] 9202cf97e81ecd523120569fbde66be8866d4c37ec87eb2490624fa17bef170f