[INFO] fetching crate magnet_rs 0.1.0...
[INFO] checking magnet_rs-0.1.0 against master#0a8629bff642c3c3b84bb644c0099194f063b627 for pr-86231
[INFO] extracting crate magnet_rs 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate magnet_rs 0.1.0 on toolchain 0a8629bff642c3c3b84bb644c0099194f063b627
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3/source/.cargo/config
[INFO] started tweaking crates.io crate magnet_rs 0.1.0
[INFO] finished tweaking crates.io crate magnet_rs 0.1.0
[INFO] tweaked toml for crates.io crate magnet_rs 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate magnet_rs 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0a8629bff642c3c3b84bb644c0099194f063b627" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d97d21f846ef01e6f488b0ca2c7c6772d76061fd04b50e1fc4c73d0291cba9fd
[INFO] running `Command { std: "docker" "start" "-a" "d97d21f846ef01e6f488b0ca2c7c6772d76061fd04b50e1fc4c73d0291cba9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d97d21f846ef01e6f488b0ca2c7c6772d76061fd04b50e1fc4c73d0291cba9fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d97d21f846ef01e6f488b0ca2c7c6772d76061fd04b50e1fc4c73d0291cba9fd", kill_on_drop: false }`
[INFO] [stdout] d97d21f846ef01e6f488b0ca2c7c6772d76061fd04b50e1fc4c73d0291cba9fd
[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" "+0a8629bff642c3c3b84bb644c0099194f063b627" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 654bd7d950ec31a5e3113e79e1cfc679a2cef16664b6eaea68132c09457719ec
[INFO] running `Command { std: "docker" "start" "-a" "654bd7d950ec31a5e3113e79e1cfc679a2cef16664b6eaea68132c09457719ec", kill_on_drop: false }`
[INFO] [stderr]     Checking magnet_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "654bd7d950ec31a5e3113e79e1cfc679a2cef16664b6eaea68132c09457719ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654bd7d950ec31a5e3113e79e1cfc679a2cef16664b6eaea68132c09457719ec", kill_on_drop: false }`
[INFO] [stdout] 654bd7d950ec31a5e3113e79e1cfc679a2cef16664b6eaea68132c09457719ec