[INFO] fetching crate lang-util 0.5.2...
[INFO] checking lang-util-0.5.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate lang-util 0.5.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate lang-util 0.5.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lang-util 0.5.2
[INFO] finished tweaking crates.io crate lang-util 0.5.2
[INFO] tweaked toml for crates.io crate lang-util 0.5.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding darling v0.14.4 (latest: v0.20.9)
[INFO] [stderr]       Adding darling_core v0.14.4 (latest: v0.20.9)
[INFO] [stderr]       Adding darling_macro v0.14.4 (latest: v0.20.9)
[INFO] [stderr]       Adding smol_str v0.1.24 (latest: v0.2.2)
[INFO] [stderr]       Adding strsim v0.10.0 (latest: v0.11.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.66)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smol_str v0.1.24
[INFO] [stderr]   Downloaded lang-util-derive v0.5.2
[INFO] [stderr]   Downloaded line-span v0.1.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f49135a2b395d0152aa358406601970bd9a9d7d10241a161370b7401fcebe76a
[INFO] running `Command { std: "docker" "start" "-a" "f49135a2b395d0152aa358406601970bd9a9d7d10241a161370b7401fcebe76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f49135a2b395d0152aa358406601970bd9a9d7d10241a161370b7401fcebe76a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f49135a2b395d0152aa358406601970bd9a9d7d10241a161370b7401fcebe76a", kill_on_drop: false }`
[INFO] [stdout] f49135a2b395d0152aa358406601970bd9a9d7d10241a161370b7401fcebe76a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64c13d0eb3ad4d4e369c5d6298e703dbb1a5dcbd99d1ea40ac591c02b971b22e
[INFO] running `Command { std: "docker" "start" "-a" "64c13d0eb3ad4d4e369c5d6298e703dbb1a5dcbd99d1ea40ac591c02b971b22e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]     Checking line-span v0.1.5
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling lang-util-derive v0.5.2
[INFO] [stderr]     Checking smol_str v0.1.24
[INFO] [stderr]     Checking lang-util v0.5.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "64c13d0eb3ad4d4e369c5d6298e703dbb1a5dcbd99d1ea40ac591c02b971b22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64c13d0eb3ad4d4e369c5d6298e703dbb1a5dcbd99d1ea40ac591c02b971b22e", kill_on_drop: false }`
[INFO] [stdout] 64c13d0eb3ad4d4e369c5d6298e703dbb1a5dcbd99d1ea40ac591c02b971b22e