[INFO] fetching crate rut-lib 0.1.2...
[INFO] checking rut-lib-0.1.2 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate rut-lib 0.1.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rut-lib 0.1.2 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rut-lib 0.1.2
[INFO] finished tweaking crates.io crate rut-lib 0.1.2
[INFO] tweaked toml for crates.io crate rut-lib 0.1.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate rut-lib 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac2a763f8ddff4b6e3a55468566789dda73d1e4e60eb3a3b7236cadda0e10c91
[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" "ac2a763f8ddff4b6e3a55468566789dda73d1e4e60eb3a3b7236cadda0e10c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac2a763f8ddff4b6e3a55468566789dda73d1e4e60eb3a3b7236cadda0e10c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac2a763f8ddff4b6e3a55468566789dda73d1e4e60eb3a3b7236cadda0e10c91", kill_on_drop: false }`
[INFO] [stdout] ac2a763f8ddff4b6e3a55468566789dda73d1e4e60eb3a3b7236cadda0e10c91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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] f0a2ffc938ce2830f464ef48259aaa7edf8fc6823718ba0f4f240cb8f963ba92
[INFO] running `Command { std: "docker" "start" "-a" "f0a2ffc938ce2830f464ef48259aaa7edf8fc6823718ba0f4f240cb8f963ba92", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling cargo-husky v1.4.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking num-format v0.4.0
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking rut-lib v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.08s
[INFO] running `Command { std: "docker" "inspect" "f0a2ffc938ce2830f464ef48259aaa7edf8fc6823718ba0f4f240cb8f963ba92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0a2ffc938ce2830f464ef48259aaa7edf8fc6823718ba0f4f240cb8f963ba92", kill_on_drop: false }`
[INFO] [stdout] f0a2ffc938ce2830f464ef48259aaa7edf8fc6823718ba0f4f240cb8f963ba92