[INFO] fetching crate weight-cache 0.2.3...
[INFO] checking weight-cache-0.2.3 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate weight-cache 0.2.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate weight-cache 0.2.3 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate weight-cache 0.2.3
[INFO] finished tweaking crates.io crate weight-cache 0.2.3
[INFO] tweaked toml for crates.io crate weight-cache 0.2.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded prometheus v0.12.0
[INFO] [stderr]   Downloaded protobuf v2.22.1
[INFO] [stderr]   Downloaded quickcheck_macros v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 71992f5cc4359bc0f173436ee636ea2d0671c68504acb62176368da7cde7c5f9
[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" "71992f5cc4359bc0f173436ee636ea2d0671c68504acb62176368da7cde7c5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "71992f5cc4359bc0f173436ee636ea2d0671c68504acb62176368da7cde7c5f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71992f5cc4359bc0f173436ee636ea2d0671c68504acb62176368da7cde7c5f9", kill_on_drop: false }`
[INFO] [stdout] 71992f5cc4359bc0f173436ee636ea2d0671c68504acb62176368da7cde7c5f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b92e09fd5d8eb60ffa61dfc414d18d8e1d2e44281961e161e67bc5297121342
[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" "3b92e09fd5d8eb60ffa61dfc414d18d8e1d2e44281961e161e67bc5297121342", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking weight-cache v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking env_logger v0.8.3
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.34s
[INFO] running `Command { std: "docker" "inspect" "3b92e09fd5d8eb60ffa61dfc414d18d8e1d2e44281961e161e67bc5297121342", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b92e09fd5d8eb60ffa61dfc414d18d8e1d2e44281961e161e67bc5297121342", kill_on_drop: false }`
[INFO] [stdout] 3b92e09fd5d8eb60ffa61dfc414d18d8e1d2e44281961e161e67bc5297121342