[INFO] fetching crate difference-rs 3.2.0...
[INFO] checking difference-rs-3.2.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate difference-rs 3.2.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate difference-rs 3.2.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate difference-rs 3.2.0
[INFO] tweaked toml for crates.io crate difference-rs 3.2.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate difference-rs 3.2.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate difference-rs 3.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quickcheck v0.8.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4973b3c0ef85f6cdc6f819cd0373052fafb0d9a3deea2299d46b28dd6401735a
[INFO] running `Command { std: "docker" "start" "-a" "4973b3c0ef85f6cdc6f819cd0373052fafb0d9a3deea2299d46b28dd6401735a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4973b3c0ef85f6cdc6f819cd0373052fafb0d9a3deea2299d46b28dd6401735a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4973b3c0ef85f6cdc6f819cd0373052fafb0d9a3deea2299d46b28dd6401735a", kill_on_drop: false }`
[INFO] [stdout] 4973b3c0ef85f6cdc6f819cd0373052fafb0d9a3deea2299d46b28dd6401735a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a1ed55127ac2f311a855bf6591bf9a193e03656d090da9caf54b3d8c513c98f
[INFO] running `Command { std: "docker" "start" "-a" "6a1ed55127ac2f311a855bf6591bf9a193e03656d090da9caf54b3d8c513c98f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking difference-rs v3.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking term v0.6.1
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking quickcheck v0.8.5
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.57s
[INFO] running `Command { std: "docker" "inspect" "6a1ed55127ac2f311a855bf6591bf9a193e03656d090da9caf54b3d8c513c98f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a1ed55127ac2f311a855bf6591bf9a193e03656d090da9caf54b3d8c513c98f", kill_on_drop: false }`
[INFO] [stdout] 6a1ed55127ac2f311a855bf6591bf9a193e03656d090da9caf54b3d8c513c98f