[INFO] fetching crate go-flag 0.1.0...
[INFO] checking go-flag-0.1.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate go-flag 0.1.0 into /workspace/builds/worker-107/source
[INFO] validating manifest of crates.io crate go-flag 0.1.0 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 go-flag 0.1.0
[INFO] finished tweaking crates.io crate go-flag 0.1.0
[INFO] tweaked toml for crates.io crate go-flag 0.1.0 written to /workspace/builds/worker-107/source/Cargo.toml
[INFO] crate crates.io crate go-flag 0.1.0 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] [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-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 4590916ec5c0d83f92b9f000f4826d56ce57271372bfd4a6543820ee2c9df9a1
[INFO] running `Command { std: "docker" "start" "-a" "4590916ec5c0d83f92b9f000f4826d56ce57271372bfd4a6543820ee2c9df9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4590916ec5c0d83f92b9f000f4826d56ce57271372bfd4a6543820ee2c9df9a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4590916ec5c0d83f92b9f000f4826d56ce57271372bfd4a6543820ee2c9df9a1", kill_on_drop: false }`
[INFO] [stdout] 4590916ec5c0d83f92b9f000f4826d56ce57271372bfd4a6543820ee2c9df9a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-107/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] 99ad46b4bd11ea6ccc7bcb421dabf2384afae9dc9cb95c4f9a3cb739c7a275a9
[INFO] running `Command { std: "docker" "start" "-a" "99ad46b4bd11ea6ccc7bcb421dabf2384afae9dc9cb95c4f9a3cb739c7a275a9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking go-flag v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "99ad46b4bd11ea6ccc7bcb421dabf2384afae9dc9cb95c4f9a3cb739c7a275a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99ad46b4bd11ea6ccc7bcb421dabf2384afae9dc9cb95c4f9a3cb739c7a275a9", kill_on_drop: false }`
[INFO] [stdout] 99ad46b4bd11ea6ccc7bcb421dabf2384afae9dc9cb95c4f9a3cb739c7a275a9