[INFO] fetching crate negative 0.1.2...
[INFO] checking negative-0.1.2 against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] extracting crate negative 0.1.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate negative 0.1.2 on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/.cargo/config
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate negative 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate negative 0.1.2
[INFO] tweaked toml for crates.io crate negative 0.1.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded negative-proc_macros v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b3234c3f303db8fc2ee0d3a46fcea28b6cc0085f966cc71b49dbd59da3f542
[INFO] running `Command { std: "docker" "start" "-a" "b5b3234c3f303db8fc2ee0d3a46fcea28b6cc0085f966cc71b49dbd59da3f542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b3234c3f303db8fc2ee0d3a46fcea28b6cc0085f966cc71b49dbd59da3f542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b3234c3f303db8fc2ee0d3a46fcea28b6cc0085f966cc71b49dbd59da3f542", kill_on_drop: false }`
[INFO] [stdout] b5b3234c3f303db8fc2ee0d3a46fcea28b6cc0085f966cc71b49dbd59da3f542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221e7c6ec07ae8936b476b18fd17b23fa4741ecbd2158ef52a57368ccdd772f5
[INFO] running `Command { std: "docker" "start" "-a" "221e7c6ec07ae8936b476b18fd17b23fa4741ecbd2158ef52a57368ccdd772f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling negative-proc_macros v0.1.2
[INFO] [stderr]     Checking negative v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> tests/unit_struct_non_send_sync.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Foo;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Foo` is never constructed
[INFO] [stdout]  --> tests/coherence.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | struct Foo;
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Demo` is never used
[INFO] [stdout]  --> tests/coherence.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | trait Demo {}
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.69s
[INFO] running `Command { std: "docker" "inspect" "221e7c6ec07ae8936b476b18fd17b23fa4741ecbd2158ef52a57368ccdd772f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221e7c6ec07ae8936b476b18fd17b23fa4741ecbd2158ef52a57368ccdd772f5", kill_on_drop: false }`
[INFO] [stdout] 221e7c6ec07ae8936b476b18fd17b23fa4741ecbd2158ef52a57368ccdd772f5