[INFO] fetching crate trackergrab 0.0.0...
[INFO] checking trackergrab-0.0.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate trackergrab 0.0.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate trackergrab 0.0.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate trackergrab 0.0.0
[INFO] finished tweaking crates.io crate trackergrab 0.0.0
[INFO] tweaked toml for crates.io crate trackergrab 0.0.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate trackergrab 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df4ff306dcc32dfa1b1447b16e15e7d39bb175b2745d65e97810b88d4499a512
[INFO] running `Command { std: "docker" "start" "-a" "df4ff306dcc32dfa1b1447b16e15e7d39bb175b2745d65e97810b88d4499a512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df4ff306dcc32dfa1b1447b16e15e7d39bb175b2745d65e97810b88d4499a512", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df4ff306dcc32dfa1b1447b16e15e7d39bb175b2745d65e97810b88d4499a512", kill_on_drop: false }`
[INFO] [stdout] df4ff306dcc32dfa1b1447b16e15e7d39bb175b2745d65e97810b88d4499a512
[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" "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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b30c4bc79b836c7643464d152a14f0b5ef2237da2b30f081d662b569e98c08f
[INFO] running `Command { std: "docker" "start" "-a" "8b30c4bc79b836c7643464d152a14f0b5ef2237da2b30f081d662b569e98c08f", kill_on_drop: false }`
[INFO] [stderr]     Checking trackergrab v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "8b30c4bc79b836c7643464d152a14f0b5ef2237da2b30f081d662b569e98c08f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b30c4bc79b836c7643464d152a14f0b5ef2237da2b30f081d662b569e98c08f", kill_on_drop: false }`
[INFO] [stdout] 8b30c4bc79b836c7643464d152a14f0b5ef2237da2b30f081d662b569e98c08f