[INFO] cloning repository https://github.com/mverleg/rust_compile_speed_in_docker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mverleg/rust_compile_speed_in_docker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Frust_compile_speed_in_docker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Frust_compile_speed_in_docker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c35d5c6c73ea4a367919e4f4ed3e9161366bcae1
[INFO] checking mverleg/rust_compile_speed_in_docker against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmverleg%2Frust_compile_speed_in_docker" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mverleg/rust_compile_speed_in_docker on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mverleg/rust_compile_speed_in_docker
[INFO] finished tweaking git repo https://github.com/mverleg/rust_compile_speed_in_docker
[INFO] tweaked toml for git repo https://github.com/mverleg/rust_compile_speed_in_docker written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/mverleg/rust_compile_speed_in_docker already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] d48ce46698d7d7b14d4f015a9826a4af95f6cb348b3ffe64b88af26eeff136b2
[INFO] running `Command { std: "docker" "start" "-a" "d48ce46698d7d7b14d4f015a9826a4af95f6cb348b3ffe64b88af26eeff136b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d48ce46698d7d7b14d4f015a9826a4af95f6cb348b3ffe64b88af26eeff136b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d48ce46698d7d7b14d4f015a9826a4af95f6cb348b3ffe64b88af26eeff136b2", kill_on_drop: false }`
[INFO] [stdout] d48ce46698d7d7b14d4f015a9826a4af95f6cb348b3ffe64b88af26eeff136b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01389a8f5da8526d8f8a6fa4d0098a3cd654ba71e13c1daf1c3334e7c091bb81
[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" "01389a8f5da8526d8f8a6fa4d0098a3cd654ba71e13c1daf1c3334e7c091bb81", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]     Checking ucd-util v0.1.3
[INFO] [stderr]     Checking rustc-demangle v0.1.14
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking smallvec v0.6.9
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling winapi v0.3.7
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]     Checking semver-parser v0.9.0
[INFO] [stderr]     Checking cc v1.0.37
[INFO] [stderr]    Compiling unicase v2.4.0
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking regex-syntax v0.6.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking lock_api v0.2.0
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.18
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking parking_lot_core v0.5.0
[INFO] [stderr]     Checking parking_lot v0.8.0
[INFO] [stderr]     Checking toml v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]     Checking rust_compile_speed_in_docker v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.66s
[INFO] running `Command { std: "docker" "inspect" "01389a8f5da8526d8f8a6fa4d0098a3cd654ba71e13c1daf1c3334e7c091bb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01389a8f5da8526d8f8a6fa4d0098a3cd654ba71e13c1daf1c3334e7c091bb81", kill_on_drop: false }`
[INFO] [stdout] 01389a8f5da8526d8f8a6fa4d0098a3cd654ba71e13c1daf1c3334e7c091bb81