[INFO] fetching crate cfg 0.8.0...
[INFO] checking cfg-0.8.0 against master#4d1bd0db7f489b22c6d8aa2385937a95412c015b for pr-114682
[INFO] extracting crate cfg 0.8.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cfg 0.8.0 on toolchain 4d1bd0db7f489b22c6d8aa2385937a95412c015b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfg 0.8.0
[INFO] finished tweaking crates.io crate cfg 0.8.0
[INFO] tweaked toml for crates.io crate cfg 0.8.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded static_assertions v1.1.0
[INFO] [stderr]   Downloaded env_logger v0.10.1
[INFO] [stderr]   Downloaded winapi-util v0.1.6
[INFO] [stderr]   Downloaded bit-matrix v0.6.1
[INFO] [stderr]   Downloaded triomphe v0.1.11
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
[INFO] [stderr]   Downloaded regex-automata v0.4.3
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded regex v1.10.2
[INFO] [stderr]   Downloaded rpds v1.1.0
[INFO] [stderr]   Downloaded bit-vec v0.6.3
[INFO] [stderr]   Downloaded archery v1.1.0
[INFO] [stderr]   Downloaded optional v0.5.0
[INFO] [stderr]   Downloaded is-terminal v0.4.9
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded termcolor v1.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b4d85e2f691458c0c0f00cdca0fa4ec9076644f4f4e6fc65f2c2ae1399fe827
[INFO] running `Command { std: "docker" "start" "-a" "0b4d85e2f691458c0c0f00cdca0fa4ec9076644f4f4e6fc65f2c2ae1399fe827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b4d85e2f691458c0c0f00cdca0fa4ec9076644f4f4e6fc65f2c2ae1399fe827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4d85e2f691458c0c0f00cdca0fa4ec9076644f4f4e6fc65f2c2ae1399fe827", kill_on_drop: false }`
[INFO] [stdout] 0b4d85e2f691458c0c0f00cdca0fa4ec9076644f4f4e6fc65f2c2ae1399fe827
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+4d1bd0db7f489b22c6d8aa2385937a95412c015b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0846d17f2c0ae3d04ebdab53e48326d9f8594e6afc4d4ad3c0642fdbb8d47aa
[INFO] running `Command { std: "docker" "start" "-a" "c0846d17f2c0ae3d04ebdab53e48326d9f8594e6afc4d4ad3c0642fdbb8d47aa", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking optional v0.5.0
[INFO] [stderr]     Checking bit-matrix v0.6.1
[INFO] [stderr]     Checking cfg v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `direct_derivation_matrix`
[INFO] [stdout]  --> src/analysis/mod.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::derivation::{direct_derivation_matrix, reachability_matrix, unit_derivation_matrix};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: unused import: `direct_derivation_matrix`
[INFO] [stdout]   --> src/analysis/mod.rs:4:28
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub use self::derivation::{direct_derivation_matrix, reachability_matrix, unit_derivation_matrix};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfg` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "c0846d17f2c0ae3d04ebdab53e48326d9f8594e6afc4d4ad3c0642fdbb8d47aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0846d17f2c0ae3d04ebdab53e48326d9f8594e6afc4d4ad3c0642fdbb8d47aa", kill_on_drop: false }`
[INFO] [stdout] c0846d17f2c0ae3d04ebdab53e48326d9f8594e6afc4d4ad3c0642fdbb8d47aa
[INFO] checking cfg-0.8.0 against try#785364c7e5e0804473a3fddfb579798ea14e3493 for pr-114682
[INFO] extracting crate cfg 0.8.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cfg 0.8.0 on toolchain 785364c7e5e0804473a3fddfb579798ea14e3493
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cfg 0.8.0
[INFO] finished tweaking crates.io crate cfg 0.8.0
[INFO] tweaked toml for crates.io crate cfg 0.8.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aab4c6a1cecb244ba5e7ccbdc8c1849e259ca1349d86d6318d5178d5db157d23
[INFO] running `Command { std: "docker" "start" "-a" "aab4c6a1cecb244ba5e7ccbdc8c1849e259ca1349d86d6318d5178d5db157d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aab4c6a1cecb244ba5e7ccbdc8c1849e259ca1349d86d6318d5178d5db157d23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab4c6a1cecb244ba5e7ccbdc8c1849e259ca1349d86d6318d5178d5db157d23", kill_on_drop: false }`
[INFO] [stdout] aab4c6a1cecb244ba5e7ccbdc8c1849e259ca1349d86d6318d5178d5db157d23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+785364c7e5e0804473a3fddfb579798ea14e3493" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 19c877ec8d35ae7db9931d272e17887b6d987b665eec2fd74b649ff3e86eec34
[INFO] running `Command { std: "docker" "start" "-a" "19c877ec8d35ae7db9931d272e17887b6d987b665eec2fd74b649ff3e86eec34", kill_on_drop: false }`
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking optional v0.5.0
[INFO] [stderr]     Checking bit-matrix v0.6.1
[INFO] [stderr]     Checking cfg v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `direct_derivation_matrix`
[INFO] [stdout]   --> src/analysis/mod.rs:4:28
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub use self::derivation::{direct_derivation_matrix, reachability_matrix, unit_derivation_matrix};
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:12:24
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![cfg_attr(test, deny(warnings))]
[INFO] [stdout]    |                        ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `direct_derivation_matrix`
[INFO] [stdout]  --> src/analysis/mod.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub use self::derivation::{direct_derivation_matrix, reachability_matrix, unit_derivation_matrix};
[INFO] [stdout]   |                            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cfg` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "19c877ec8d35ae7db9931d272e17887b6d987b665eec2fd74b649ff3e86eec34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c877ec8d35ae7db9931d272e17887b6d987b665eec2fd74b649ff3e86eec34", kill_on_drop: false }`
[INFO] [stdout] 19c877ec8d35ae7db9931d272e17887b6d987b665eec2fd74b649ff3e86eec34
