[INFO] fetching crate target-spec 3.2.1...
[INFO] checking target-spec-3.2.1 against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] extracting crate target-spec 3.2.1 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate target-spec 3.2.1 on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate target-spec 3.2.1
[INFO] finished tweaking crates.io crate target-spec 3.2.1
[INFO] tweaked toml for crates.io crate target-spec 3.2.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 64 packages to latest compatible versions
[INFO] [stderr]       Adding bit-set v0.5.3 (latest: v0.8.0)
[INFO] [stderr]       Adding bit-vec v0.6.3 (latest: v0.8.0)
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding toml v0.5.11 (latest: v0.8.19)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unarray v0.1.4
[INFO] [stderr]   Downloaded target-lexicon v0.12.16
[INFO] [stderr]   Downloaded guppy-workspace-hack v0.1.0
[INFO] [stderr]   Downloaded rand_xorshift v0.3.0
[INFO] [stderr]   Downloaded cfg-expr v0.16.0
[INFO] [stderr]   Downloaded proptest v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f9c6d1547956cf1060613271b7513b1ab9a1b52728d85639cd579ab3c93ecc4
[INFO] running `Command { std: "docker" "start" "-a" "1f9c6d1547956cf1060613271b7513b1ab9a1b52728d85639cd579ab3c93ecc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f9c6d1547956cf1060613271b7513b1ab9a1b52728d85639cd579ab3c93ecc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f9c6d1547956cf1060613271b7513b1ab9a1b52728d85639cd579ab3c93ecc4", kill_on_drop: false }`
[INFO] [stdout] 1f9c6d1547956cf1060613271b7513b1ab9a1b52728d85639cd579ab3c93ecc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e0a840e5e9a5241ebe6ce0b1f6a3299d5bb07977be55e998e86493cf7d6fa4a
[INFO] running `Command { std: "docker" "start" "-a" "3e0a840e5e9a5241ebe6ce0b1f6a3299d5bb07977be55e998e86493cf7d6fa4a", kill_on_drop: false }`
[INFO] [stderr]    Compiling target-lexicon v0.12.16
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]    Compiling guppy-workspace-hack v0.1.0
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling target-spec v3.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling test-case-core v3.3.1
[INFO] [stderr]     Checking rustc_version v0.4.1
[INFO] [stderr]     Checking cfg-expr v0.16.0
[INFO] [stderr]    Compiling test-case-macros v3.3.1
[INFO] [stderr]     Checking test-case v3.3.1
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.11s
[INFO] running `Command { std: "docker" "inspect" "3e0a840e5e9a5241ebe6ce0b1f6a3299d5bb07977be55e998e86493cf7d6fa4a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e0a840e5e9a5241ebe6ce0b1f6a3299d5bb07977be55e998e86493cf7d6fa4a", kill_on_drop: false }`
[INFO] [stdout] 3e0a840e5e9a5241ebe6ce0b1f6a3299d5bb07977be55e998e86493cf7d6fa4a