[INFO] fetching crate assessment 1.0.0...
[INFO] checking assessment-1.0.0 against master#c2f2db79ca3024f68d22b45aa22b570775c2c4ad for pr-124157
[INFO] extracting crate assessment 1.0.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate assessment 1.0.0 on toolchain c2f2db79ca3024f68d22b45aa22b570775c2c4ad
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assessment 1.0.0
[INFO] finished tweaking crates.io crate assessment 1.0.0
[INFO] tweaked toml for crates.io crate assessment 1.0.0 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" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded impl_ops v0.1.1
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9e521a3dd41f0757ea03cb8d38c485acc2a41e7af421e9ac5ac37fb950824d6
[INFO] running `Command { std: "docker" "start" "-a" "d9e521a3dd41f0757ea03cb8d38c485acc2a41e7af421e9ac5ac37fb950824d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9e521a3dd41f0757ea03cb8d38c485acc2a41e7af421e9ac5ac37fb950824d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9e521a3dd41f0757ea03cb8d38c485acc2a41e7af421e9ac5ac37fb950824d6", kill_on_drop: false }`
[INFO] [stdout] d9e521a3dd41f0757ea03cb8d38c485acc2a41e7af421e9ac5ac37fb950824d6
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+c2f2db79ca3024f68d22b45aa22b570775c2c4ad" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d87b653badb651f1bc625e211b67122aa7453428a6cc796c861e7f75dc4da9
[INFO] running `Command { std: "docker" "start" "-a" "f2d87b653badb651f1bc625e211b67122aa7453428a6cc796c861e7f75dc4da9", kill_on_drop: false }`
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking assessment v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "f2d87b653badb651f1bc625e211b67122aa7453428a6cc796c861e7f75dc4da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d87b653badb651f1bc625e211b67122aa7453428a6cc796c861e7f75dc4da9", kill_on_drop: false }`
[INFO] [stdout] f2d87b653badb651f1bc625e211b67122aa7453428a6cc796c861e7f75dc4da9
[INFO] checking assessment-1.0.0 against try#9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88 for pr-124157
[INFO] extracting crate assessment 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate assessment 1.0.0 on toolchain 9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assessment 1.0.0
[INFO] finished tweaking crates.io crate assessment 1.0.0
[INFO] tweaked toml for crates.io crate assessment 1.0.0 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" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a52507052a842baa734cf2af7345d56c376d769413d7dea8ac03b2b0d384ea39
[INFO] running `Command { std: "docker" "start" "-a" "a52507052a842baa734cf2af7345d56c376d769413d7dea8ac03b2b0d384ea39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a52507052a842baa734cf2af7345d56c376d769413d7dea8ac03b2b0d384ea39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a52507052a842baa734cf2af7345d56c376d769413d7dea8ac03b2b0d384ea39", kill_on_drop: false }`
[INFO] [stdout] a52507052a842baa734cf2af7345d56c376d769413d7dea8ac03b2b0d384ea39
[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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+9c7b5f5b6b8ec32bbbcf9f07fc0e5208da6c5f88" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe4d6142f47f61459c260184068484d23b32b5fd5dfefaabe1694e0daf1d087
[INFO] running `Command { std: "docker" "start" "-a" "1fe4d6142f47f61459c260184068484d23b32b5fd5dfefaabe1694e0daf1d087", kill_on_drop: false }`
[INFO] [stderr]     Checking impl_ops v0.1.1
[INFO] [stderr]     Checking assessment v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `numeric::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub use numeric::*;
[INFO] [stdout]   |         ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `single::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub use single::*;
[INFO] [stdout]   |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `two_tuple::*`
[INFO] [stdout]  --> src/valuation/unification/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use two_tuple::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "1fe4d6142f47f61459c260184068484d23b32b5fd5dfefaabe1694e0daf1d087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe4d6142f47f61459c260184068484d23b32b5fd5dfefaabe1694e0daf1d087", kill_on_drop: false }`
[INFO] [stdout] 1fe4d6142f47f61459c260184068484d23b32b5fd5dfefaabe1694e0daf1d087
