[INFO] fetching crate rucline 0.4.0...
[INFO] checking rucline-0.4.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate rucline 0.4.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rucline 0.4.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rucline 0.4.0
[INFO] finished tweaking crates.io crate rucline 0.4.0
[INFO] tweaked toml for crates.io crate rucline 0.4.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rucline 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55fabd2a6a70595682982294fbd3ba4285509e5849e54fb1636d251e5cd7dcf7
[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" "55fabd2a6a70595682982294fbd3ba4285509e5849e54fb1636d251e5cd7dcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55fabd2a6a70595682982294fbd3ba4285509e5849e54fb1636d251e5cd7dcf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55fabd2a6a70595682982294fbd3ba4285509e5849e54fb1636d251e5cd7dcf7", kill_on_drop: false }`
[INFO] [stdout] 55fabd2a6a70595682982294fbd3ba4285509e5849e54fb1636d251e5cd7dcf7
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 727afdc3a2faf28e541401a2f050cc8545ba244e0fe7ebe28277e116b81dd09c
[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" "727afdc3a2faf28e541401a2f050cc8545ba244e0fe7ebe28277e116b81dd09c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling quit_macros v1.1.2
[INFO] [stderr]     Checking instant v0.1.7
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking quit v1.1.2
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking mio v0.7.2
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking signal-hook v0.1.15
[INFO] [stderr]     Checking crossterm v0.18.0
[INFO] [stderr]     Checking rucline v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking pwner v0.1.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.67s
[INFO] running `Command { std: "docker" "inspect" "727afdc3a2faf28e541401a2f050cc8545ba244e0fe7ebe28277e116b81dd09c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727afdc3a2faf28e541401a2f050cc8545ba244e0fe7ebe28277e116b81dd09c", kill_on_drop: false }`
[INFO] [stdout] 727afdc3a2faf28e541401a2f050cc8545ba244e0fe7ebe28277e116b81dd09c