[INFO] cloning repository https://github.com/ElXreno/process-freezer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ElXreno/process-freezer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElXreno%2Fprocess-freezer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElXreno%2Fprocess-freezer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a4b105f4e25ae94933de60c0628ec7cef59a1dd
[INFO] checking ElXreno/process-freezer against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FElXreno%2Fprocess-freezer" "/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/ElXreno/process-freezer on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ElXreno/process-freezer
[INFO] finished tweaking git repo https://github.com/ElXreno/process-freezer
[INFO] tweaked toml for git repo https://github.com/ElXreno/process-freezer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/ElXreno/process-freezer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded procfs v0.8.1
[INFO] [stderr]   Downloaded libflate v1.0.2
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 0d04839ce8013f26924fbdedbb3c42c81f6d8aa371580bdb9df37d9cf388f2f0
[INFO] running `Command { std: "docker" "start" "-a" "0d04839ce8013f26924fbdedbb3c42c81f6d8aa371580bdb9df37d9cf388f2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d04839ce8013f26924fbdedbb3c42c81f6d8aa371580bdb9df37d9cf388f2f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d04839ce8013f26924fbdedbb3c42c81f6d8aa371580bdb9df37d9cf388f2f0", kill_on_drop: false }`
[INFO] [stdout] 0d04839ce8013f26924fbdedbb3c42c81f6d8aa371580bdb9df37d9cf388f2f0
[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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 70f53599fd2845a4a032771f2cc4b2c7a61321ed340b193fc688cf2d06167bd4
[INFO] running `Command { std: "docker" "start" "-a" "70f53599fd2845a4a032771f2cc4b2c7a61321ed340b193fc688cf2d06167bd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking libflate_lz77 v1.0.0
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking libflate v1.0.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking procfs v0.8.1
[INFO] [stderr]     Checking process-freezer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.37s
[INFO] running `Command { std: "docker" "inspect" "70f53599fd2845a4a032771f2cc4b2c7a61321ed340b193fc688cf2d06167bd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70f53599fd2845a4a032771f2cc4b2c7a61321ed340b193fc688cf2d06167bd4", kill_on_drop: false }`
[INFO] [stdout] 70f53599fd2845a4a032771f2cc4b2c7a61321ed340b193fc688cf2d06167bd4