[INFO] fetching crate music-timer 0.1.6...
[INFO] checking music-timer-0.1.6 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate music-timer 0.1.6 into /workspace/builds/worker-109/source
[INFO] validating manifest of crates.io crate music-timer 0.1.6 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate music-timer 0.1.6
[INFO] finished tweaking crates.io crate music-timer 0.1.6
[INFO] tweaked toml for crates.io crate music-timer 0.1.6 written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate crates.io crate music-timer 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--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-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb39dd7f4acabb5f6494f1dba7b248546b9a8dac8c2a4071500e36ca8fc22dc8
[INFO] running `Command { std: "docker" "start" "-a" "fb39dd7f4acabb5f6494f1dba7b248546b9a8dac8c2a4071500e36ca8fc22dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb39dd7f4acabb5f6494f1dba7b248546b9a8dac8c2a4071500e36ca8fc22dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb39dd7f4acabb5f6494f1dba7b248546b9a8dac8c2a4071500e36ca8fc22dc8", kill_on_drop: false }`
[INFO] [stdout] fb39dd7f4acabb5f6494f1dba7b248546b9a8dac8c2a4071500e36ca8fc22dc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b90c7d0467127634767fdcb7ad04a74a70d66d26c73ae1bac110f0bb39d16f
[INFO] running `Command { std: "docker" "start" "-a" "79b90c7d0467127634767fdcb7ad04a74a70d66d26c73ae1bac110f0bb39d16f", kill_on_drop: false }`
[INFO] [stderr]     Checking music-timer v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "79b90c7d0467127634767fdcb7ad04a74a70d66d26c73ae1bac110f0bb39d16f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b90c7d0467127634767fdcb7ad04a74a70d66d26c73ae1bac110f0bb39d16f", kill_on_drop: false }`
[INFO] [stdout] 79b90c7d0467127634767fdcb7ad04a74a70d66d26c73ae1bac110f0bb39d16f