[INFO] fetching crate rust-wasm-prelude 0.3.0...
[INFO] checking rust-wasm-prelude-0.3.0 against master#90442458ac46b1d5eed752c316da25450f67285b for pr-81477
[INFO] extracting crate rust-wasm-prelude 0.3.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rust-wasm-prelude 0.3.0 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 rust-wasm-prelude 0.3.0
[INFO] finished tweaking crates.io crate rust-wasm-prelude 0.3.0
[INFO] tweaked toml for crates.io crate rust-wasm-prelude 0.3.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+90442458ac46b1d5eed752c316da25450f67285b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4ebad95f7861664fcad9bed881b44b4d8edb2400394c3ada18586e25f5299376
[INFO] running `Command { std: "docker" "start" "-a" "4ebad95f7861664fcad9bed881b44b4d8edb2400394c3ada18586e25f5299376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ebad95f7861664fcad9bed881b44b4d8edb2400394c3ada18586e25f5299376", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ebad95f7861664fcad9bed881b44b4d8edb2400394c3ada18586e25f5299376", kill_on_drop: false }`
[INFO] [stdout] 4ebad95f7861664fcad9bed881b44b4d8edb2400394c3ada18586e25f5299376
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 8dc5d432d27c7675828d3f1ec4518693e4461967515f1b6e10410751d9a066af
[INFO] running `Command { std: "docker" "start" "-a" "8dc5d432d27c7675828d3f1ec4518693e4461967515f1b6e10410751d9a066af", kill_on_drop: false }`
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking rust-wasm-prelude v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "8dc5d432d27c7675828d3f1ec4518693e4461967515f1b6e10410751d9a066af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dc5d432d27c7675828d3f1ec4518693e4461967515f1b6e10410751d9a066af", kill_on_drop: false }`
[INFO] [stdout] 8dc5d432d27c7675828d3f1ec4518693e4461967515f1b6e10410751d9a066af