[INFO] fetching crate polyverse-file-rotate 0.3.0...
[INFO] checking polyverse-file-rotate-0.3.0 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate polyverse-file-rotate 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate polyverse-file-rotate 0.3.0 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate polyverse-file-rotate 0.3.0
[INFO] finished tweaking crates.io crate polyverse-file-rotate 0.3.0
[INFO] tweaked toml for crates.io crate polyverse-file-rotate 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fe5075227c23f9b56334604f4a26f9db9657e1251514646cd0dac6cfeaa5d8f
[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" "7fe5075227c23f9b56334604f4a26f9db9657e1251514646cd0dac6cfeaa5d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fe5075227c23f9b56334604f4a26f9db9657e1251514646cd0dac6cfeaa5d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fe5075227c23f9b56334604f4a26f9db9657e1251514646cd0dac6cfeaa5d8f", kill_on_drop: false }`
[INFO] [stdout] 7fe5075227c23f9b56334604f4a26f9db9657e1251514646cd0dac6cfeaa5d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2278bcbb07647c2c02b56f43a13af91b011a98fce2d24fec7b33ac7ded38f7
[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" "1f2278bcbb07647c2c02b56f43a13af91b011a98fce2d24fec7b33ac7ded38f7", kill_on_drop: false }`
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]     Checking polyverse-file-rotate v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]     Checking env_logger v0.7.1
[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 quickcheck v0.9.2
[INFO] [stderr]     Checking tokio-stream v0.1.5
[INFO] [stderr]    Compiling async-stream-impl v0.3.1
[INFO] [stderr]    Compiling quickcheck_macros v0.9.1
[INFO] [stderr]     Checking async-stream v0.3.1
[INFO] [stderr]     Checking tokio-test v0.4.1
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.45s
[INFO] running `Command { std: "docker" "inspect" "1f2278bcbb07647c2c02b56f43a13af91b011a98fce2d24fec7b33ac7ded38f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2278bcbb07647c2c02b56f43a13af91b011a98fce2d24fec7b33ac7ded38f7", kill_on_drop: false }`
[INFO] [stdout] 1f2278bcbb07647c2c02b56f43a13af91b011a98fce2d24fec7b33ac7ded38f7