[INFO] fetching crate prae 0.8.4...
[INFO] checking prae-0.8.4 against master#80ed61fbd64936ed676c2050e7e660b5ad78c9f2 for pr-100555
[INFO] extracting crate prae 0.8.4 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate prae 0.8.4 on toolchain 80ed61fbd64936ed676c2050e7e660b5ad78c9f2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate prae 0.8.4
[INFO] finished tweaking crates.io crate prae 0.8.4
[INFO] tweaked toml for crates.io crate prae 0.8.4 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b00a646501ba2964144cbcdb3b8f7d6d64b3b353830b91f4e76204e7c9d2a1b6
[INFO] running `Command { std: "docker" "start" "-a" "b00a646501ba2964144cbcdb3b8f7d6d64b3b353830b91f4e76204e7c9d2a1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b00a646501ba2964144cbcdb3b8f7d6d64b3b353830b91f4e76204e7c9d2a1b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b00a646501ba2964144cbcdb3b8f7d6d64b3b353830b91f4e76204e7c9d2a1b6", kill_on_drop: false }`
[INFO] [stdout] b00a646501ba2964144cbcdb3b8f7d6d64b3b353830b91f4e76204e7c9d2a1b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+80ed61fbd64936ed676c2050e7e660b5ad78c9f2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77062123c5133a0487261990b0753d0c833bb2b448231a0096519adc34d5938
[INFO] running `Command { std: "docker" "start" "-a" "e77062123c5133a0487261990b0753d0c833bb2b448231a0096519adc34d5938", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling serde_derive v1.0.143
[INFO] [stderr]    Compiling serde v1.0.143
[INFO] [stderr]    Compiling serde_json v1.0.83
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking assert_matches v1.5.0
[INFO] [stderr]     Checking prae v0.8.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.22s
[INFO] running `Command { std: "docker" "inspect" "e77062123c5133a0487261990b0753d0c833bb2b448231a0096519adc34d5938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77062123c5133a0487261990b0753d0c833bb2b448231a0096519adc34d5938", kill_on_drop: false }`
[INFO] [stdout] e77062123c5133a0487261990b0753d0c833bb2b448231a0096519adc34d5938