[INFO] fetching crate unshield 0.2.0...
[INFO] checking unshield-0.2.0 against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] extracting crate unshield 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate unshield 0.2.0 on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate unshield 0.2.0
[INFO] finished tweaking crates.io crate unshield 0.2.0
[INFO] tweaked toml for crates.io crate unshield 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate unshield 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2da16313fb242f51282267fc1b7056d49169573c3d0fb14e3264b2399352016a
[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" "2da16313fb242f51282267fc1b7056d49169573c3d0fb14e3264b2399352016a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2da16313fb242f51282267fc1b7056d49169573c3d0fb14e3264b2399352016a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2da16313fb242f51282267fc1b7056d49169573c3d0fb14e3264b2399352016a", kill_on_drop: false }`
[INFO] [stdout] 2da16313fb242f51282267fc1b7056d49169573c3d0fb14e3264b2399352016a
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2fa4c139003a434bcce3fb494205928da8a2fd278eeaada0a0d9af2a6c9e676d
[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" "2fa4c139003a434bcce3fb494205928da8a2fd278eeaada0a0d9af2a6c9e676d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arraydeque v0.4.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking multitask v0.2.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking explode v0.1.2
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]     Checking unshield v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.99s
[INFO] running `Command { std: "docker" "inspect" "2fa4c139003a434bcce3fb494205928da8a2fd278eeaada0a0d9af2a6c9e676d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2fa4c139003a434bcce3fb494205928da8a2fd278eeaada0a0d9af2a6c9e676d", kill_on_drop: false }`
[INFO] [stdout] 2fa4c139003a434bcce3fb494205928da8a2fd278eeaada0a0d9af2a6c9e676d