[INFO] fetching crate ruc 8.1.4...
[INFO] testing ruc-8.1.4 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8
[INFO] extracting crate ruc 8.1.4 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ruc 8.1.4
[INFO] finished tweaking crates.io crate ruc 8.1.4
[INFO] tweaked toml for crates.io crate ruc 8.1.4 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ruc 8.1.4 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate ruc 8.1.4 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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde-transcode v1.1.1
[INFO] [stderr]   Downloaded ssh2 v0.9.5
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 361bc922f4bce288fb2bd17c0119cbff7146afe9ad478d0b8865b9bb0176ad3a
[INFO] running `Command { std: "docker" "start" "-a" "361bc922f4bce288fb2bd17c0119cbff7146afe9ad478d0b8865b9bb0176ad3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "361bc922f4bce288fb2bd17c0119cbff7146afe9ad478d0b8865b9bb0176ad3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "361bc922f4bce288fb2bd17c0119cbff7146afe9ad478d0b8865b9bb0176ad3a", kill_on_drop: false }`
[INFO] [stdout] 361bc922f4bce288fb2bd17c0119cbff7146afe9ad478d0b8865b9bb0176ad3a
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8ce4611cc8895ba6d659429fa4c0807d932997615378f4b5baf0fdb8c21a535
[INFO] running `Command { std: "docker" "start" "-a" "e8ce4611cc8895ba6d659429fa4c0807d932997615378f4b5baf0fdb8c21a535", kill_on_drop: false }`
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling deranged v0.4.0
[INFO] [stderr]    Compiling time v0.3.41
[INFO] [stderr]    Compiling ruc v8.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "e8ce4611cc8895ba6d659429fa4c0807d932997615378f4b5baf0fdb8c21a535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8ce4611cc8895ba6d659429fa4c0807d932997615378f4b5baf0fdb8c21a535", kill_on_drop: false }`
[INFO] [stdout] e8ce4611cc8895ba6d659429fa4c0807d932997615378f4b5baf0fdb8c21a535
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6319af0010016f063df900a9610b00f4f95977f1476522395f5401148f85015b
[INFO] running `Command { std: "docker" "start" "-a" "6319af0010016f063df900a9610b00f4f95977f1476522395f5401148f85015b", kill_on_drop: false }`
[INFO] [stderr]    Compiling ruc v8.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: unused import: `crate::*`
[INFO] [stdout]    --> src/common.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 177 |     use crate::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:2:9
[INFO] [stdout]     |
[INFO] [stdout]   2 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[deny(unused_imports)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ruc` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "6319af0010016f063df900a9610b00f4f95977f1476522395f5401148f85015b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6319af0010016f063df900a9610b00f4f95977f1476522395f5401148f85015b", kill_on_drop: false }`
[INFO] [stdout] 6319af0010016f063df900a9610b00f4f95977f1476522395f5401148f85015b