[INFO] fetching crate usb-disk-probe 0.1.0...
[INFO] checking usb-disk-probe-0.1.0 against beta for pr-78714
[INFO] extracting crate usb-disk-probe 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate usb-disk-probe 0.1.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate usb-disk-probe 0.1.0
[INFO] finished tweaking crates.io crate usb-disk-probe 0.1.0
[INFO] tweaked toml for crates.io crate usb-disk-probe 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate usb-disk-probe 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f8c31bfbcf67b233699a8b19a395f1a75218c6f0f122707aacf97a9ef2845739
[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" "f8c31bfbcf67b233699a8b19a395f1a75218c6f0f122707aacf97a9ef2845739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8c31bfbcf67b233699a8b19a395f1a75218c6f0f122707aacf97a9ef2845739", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8c31bfbcf67b233699a8b19a395f1a75218c6f0f122707aacf97a9ef2845739", kill_on_drop: false }`
[INFO] [stdout] f8c31bfbcf67b233699a8b19a395f1a75218c6f0f122707aacf97a9ef2845739
[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" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17d99ef760fb2a3536dfd071fb5a001811d4a56167c487c770b95047e91bcecc
[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" "17d99ef760fb2a3536dfd071fb5a001811d4a56167c487c770b95047e91bcecc", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking async-macros v2.0.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.9
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking thiserror v1.0.9
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking usb-disk-probe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.07s
[INFO] running `Command { std: "docker" "inspect" "17d99ef760fb2a3536dfd071fb5a001811d4a56167c487c770b95047e91bcecc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17d99ef760fb2a3536dfd071fb5a001811d4a56167c487c770b95047e91bcecc", kill_on_drop: false }`
[INFO] [stdout] 17d99ef760fb2a3536dfd071fb5a001811d4a56167c487c770b95047e91bcecc