[INFO] fetching crate battery 0.7.8...
[INFO] checking battery-0.7.8 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate battery 0.7.8 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate battery 0.7.8 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 crates.io crate battery 0.7.8
[INFO] finished tweaking crates.io crate battery 0.7.8
[INFO] tweaked toml for crates.io crate battery 0.7.8 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate battery 0.7.8 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 810fabf5f9a87ed4e0a3197e351d9b1a8f50ef997a942ef777ebfb9a71c439e8
[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" "810fabf5f9a87ed4e0a3197e351d9b1a8f50ef997a942ef777ebfb9a71c439e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "810fabf5f9a87ed4e0a3197e351d9b1a8f50ef997a942ef777ebfb9a71c439e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "810fabf5f9a87ed4e0a3197e351d9b1a8f50ef997a942ef777ebfb9a71c439e8", kill_on_drop: false }`
[INFO] [stdout] 810fabf5f9a87ed4e0a3197e351d9b1a8f50ef997a942ef777ebfb9a71c439e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 2b6d8761a7d01b3ae4c9ec6bb0a2285aee8dbece0348a9e8c85164e2dc4ba734
[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" "2b6d8761a7d01b3ae4c9ec6bb0a2285aee8dbece0348a9e8c85164e2dc4ba734", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling battery v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.31s
[INFO] running `Command { std: "docker" "inspect" "2b6d8761a7d01b3ae4c9ec6bb0a2285aee8dbece0348a9e8c85164e2dc4ba734", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b6d8761a7d01b3ae4c9ec6bb0a2285aee8dbece0348a9e8c85164e2dc4ba734", kill_on_drop: false }`
[INFO] [stdout] 2b6d8761a7d01b3ae4c9ec6bb0a2285aee8dbece0348a9e8c85164e2dc4ba734