[INFO] fetching crate starlet 0.0.0...
[INFO] checking starlet-0.0.0 against try#89681135fd92d7dee32c3e562b052ee82f97008c for pr-97086
[INFO] extracting crate starlet 0.0.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate starlet 0.0.0 on toolchain 89681135fd92d7dee32c3e562b052ee82f97008c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate starlet 0.0.0
[INFO] finished tweaking crates.io crate starlet 0.0.0
[INFO] tweaked toml for crates.io crate starlet 0.0.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] crate crates.io crate starlet 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b27b207b219fdf123484aa0a5ddda8060077058fa972432601e560a1cf4d6229
[INFO] running `Command { std: "docker" "start" "-a" "b27b207b219fdf123484aa0a5ddda8060077058fa972432601e560a1cf4d6229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b27b207b219fdf123484aa0a5ddda8060077058fa972432601e560a1cf4d6229", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27b207b219fdf123484aa0a5ddda8060077058fa972432601e560a1cf4d6229", kill_on_drop: false }`
[INFO] [stdout] b27b207b219fdf123484aa0a5ddda8060077058fa972432601e560a1cf4d6229
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 690dc595a04fe550432642fa2ed614e5045bb48052640612c542b911cf82012c
[INFO] running `Command { std: "docker" "start" "-a" "690dc595a04fe550432642fa2ed614e5045bb48052640612c542b911cf82012c", kill_on_drop: false }`
[INFO] [stderr]     Checking starlet v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "690dc595a04fe550432642fa2ed614e5045bb48052640612c542b911cf82012c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "690dc595a04fe550432642fa2ed614e5045bb48052640612c542b911cf82012c", kill_on_drop: false }`
[INFO] [stdout] 690dc595a04fe550432642fa2ed614e5045bb48052640612c542b911cf82012c