[INFO] fetching crate zerogc-simple 0.2.0-alpha.3...
[INFO] checking zerogc-simple-0.2.0-alpha.3 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate zerogc-simple 0.2.0-alpha.3 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate zerogc-simple 0.2.0-alpha.3 on toolchain 90442458ac46b1d5eed752c316da25450f67285b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate zerogc-simple 0.2.0-alpha.3
[INFO] finished tweaking crates.io crate zerogc-simple 0.2.0-alpha.3
[INFO] tweaked toml for crates.io crate zerogc-simple 0.2.0-alpha.3 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate zerogc-simple 0.2.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01339fe0a9e571949bd11b9376a0a7bd643202aeac6078ac369ccb30a4e0f043
[INFO] running `Command { std: "docker" "start" "-a" "01339fe0a9e571949bd11b9376a0a7bd643202aeac6078ac369ccb30a4e0f043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01339fe0a9e571949bd11b9376a0a7bd643202aeac6078ac369ccb30a4e0f043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01339fe0a9e571949bd11b9376a0a7bd643202aeac6078ac369ccb30a4e0f043", kill_on_drop: false }`
[INFO] [stdout] 01339fe0a9e571949bd11b9376a0a7bd643202aeac6078ac369ccb30a4e0f043
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ea7d7bff36b2ba8ce4de8bba1d2dea90376bc481f1a945a913994a8c492e40c1" "/opt/rustwide/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e07755ea6acb881c2247c649ce15ebd5ba87b3dfee5f8e14cd521d283e21cd
[INFO] running `Command { std: "docker" "start" "-a" "24e07755ea6acb881c2247c649ce15ebd5ba87b3dfee5f8e14cd521d283e21cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling slog v2.7.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking lock_api v0.4.4
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking slog-term v2.8.0
[INFO] [stderr]    Compiling zerogc-derive v0.2.0-alpha.3
[INFO] [stderr]     Checking zerogc v0.2.0-alpha.3
[INFO] [stderr]     Checking zerogc-context v0.2.0-alpha.3
[INFO] [stderr]     Checking zerogc-simple v0.2.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.60s
[INFO] running `Command { std: "docker" "inspect" "24e07755ea6acb881c2247c649ce15ebd5ba87b3dfee5f8e14cd521d283e21cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e07755ea6acb881c2247c649ce15ebd5ba87b3dfee5f8e14cd521d283e21cd", kill_on_drop: false }`
[INFO] [stdout] 24e07755ea6acb881c2247c649ce15ebd5ba87b3dfee5f8e14cd521d283e21cd