[INFO] fetching crate wfqueue 0.2.1...
[INFO] checking wfqueue-0.2.1 against try#bb9dbf1d07454a99066eabaabd5819851281494b for pr-80920
[INFO] extracting crate wfqueue 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate wfqueue 0.2.1 on toolchain bb9dbf1d07454a99066eabaabd5819851281494b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wfqueue 0.2.1
[INFO] finished tweaking crates.io crate wfqueue 0.2.1
[INFO] tweaked toml for crates.io crate wfqueue 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate wfqueue 0.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded loom v0.3.5
[INFO] [stderr]   Downloaded per-thread-object v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 162eae05f690d5d80cfdb21c9bcaa6b19ee4cef1cbe8e26ee0e87b9b05c97103
[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" "162eae05f690d5d80cfdb21c9bcaa6b19ee4cef1cbe8e26ee0e87b9b05c97103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "162eae05f690d5d80cfdb21c9bcaa6b19ee4cef1cbe8e26ee0e87b9b05c97103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "162eae05f690d5d80cfdb21c9bcaa6b19ee4cef1cbe8e26ee0e87b9b05c97103", kill_on_drop: false }`
[INFO] [stdout] 162eae05f690d5d80cfdb21c9bcaa6b19ee4cef1cbe8e26ee0e87b9b05c97103
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+bb9dbf1d07454a99066eabaabd5819851281494b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f8ac431bb2bdde06df96a2d29ad5b680c848c5a9b850ca4c67638b1bef7d25e
[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" "8f8ac431bb2bdde06df96a2d29ad5b680c848c5a9b850ca4c67638b1bef7d25e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.2
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking per-thread-object v0.4.3
[INFO] [stderr]     Checking wfqueue v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "8f8ac431bb2bdde06df96a2d29ad5b680c848c5a9b850ca4c67638b1bef7d25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f8ac431bb2bdde06df96a2d29ad5b680c848c5a9b850ca4c67638b1bef7d25e", kill_on_drop: false }`
[INFO] [stdout] 8f8ac431bb2bdde06df96a2d29ad5b680c848c5a9b850ca4c67638b1bef7d25e