[INFO] fetching crate derive_more_preview-impl 0.1.0...
[INFO] testing derive_more_preview-impl-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate derive_more_preview-impl 0.1.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate derive_more_preview-impl 0.1.0
[INFO] finished tweaking crates.io crate derive_more_preview-impl 0.1.0
[INFO] tweaked toml for crates.io crate derive_more_preview-impl 0.1.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_more_preview-impl 0.1.0 on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 11 packages to latest compatible versions
[INFO] [stderr]       Adding convert_case v0.6.0 (available: v0.8.0)
[INFO] [stderr]       Adding itertools v0.11.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c35bc2a34de60991c17b3d6349ce4ac8ff29b3917eec8e7db4a0c5e066a17618
[INFO] running `Command { std: "docker" "start" "-a" "c35bc2a34de60991c17b3d6349ce4ac8ff29b3917eec8e7db4a0c5e066a17618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c35bc2a34de60991c17b3d6349ce4ac8ff29b3917eec8e7db4a0c5e066a17618", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35bc2a34de60991c17b3d6349ce4ac8ff29b3917eec8e7db4a0c5e066a17618", kill_on_drop: false }`
[INFO] [stdout] c35bc2a34de60991c17b3d6349ce4ac8ff29b3917eec8e7db4a0c5e066a17618
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bab4825e47eb32b2caca081e8187a9364bf7c9bc012846b0f02101af2c6a8f83
[INFO] running `Command { std: "docker" "start" "-a" "bab4825e47eb32b2caca081e8187a9364bf7c9bc012846b0f02101af2c6a8f83", kill_on_drop: false }`
[INFO] [stderr]    Compiling derive_more_preview-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait `Output` is never used
[INFO] [stdout]   --> src/lib.rs:75:7
[INFO] [stdout]    |
[INFO] [stdout] 75 | trait Output {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "bab4825e47eb32b2caca081e8187a9364bf7c9bc012846b0f02101af2c6a8f83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bab4825e47eb32b2caca081e8187a9364bf7c9bc012846b0f02101af2c6a8f83", kill_on_drop: false }`
[INFO] [stdout] bab4825e47eb32b2caca081e8187a9364bf7c9bc012846b0f02101af2c6a8f83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b24349fe765cddf3bef96c2373120c6a23f4e9a6b427bd069481e5225ac789ea
[INFO] running `Command { std: "docker" "start" "-a" "b24349fe765cddf3bef96c2373120c6a23f4e9a6b427bd069481e5225ac789ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling derive_more_preview-impl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling itertools v0.11.0
[INFO] [stdout] warning: trait `Output` is never used
[INFO] [stdout]   --> src/lib.rs:75:7
[INFO] [stdout]    |
[INFO] [stdout] 75 | trait Output {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Output` is never used
[INFO] [stdout]   --> src/lib.rs:75:7
[INFO] [stdout]    |
[INFO] [stdout] 75 | trait Output {
[INFO] [stdout]    |       ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.41s
[INFO] running `Command { std: "docker" "inspect" "b24349fe765cddf3bef96c2373120c6a23f4e9a6b427bd069481e5225ac789ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b24349fe765cddf3bef96c2373120c6a23f4e9a6b427bd069481e5225ac789ea", kill_on_drop: false }`
[INFO] [stdout] b24349fe765cddf3bef96c2373120c6a23f4e9a6b427bd069481e5225ac789ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4a70a5267e5dc464ad642fff30fa46f58a0662ee02f10e104119ca1d6cb3fba8
[INFO] running `Command { std: "docker" "start" "-a" "4a70a5267e5dc464ad642fff30fa46f58a0662ee02f10e104119ca1d6cb3fba8", kill_on_drop: false }`
[INFO] [stderr] warning: trait `Output` is never used
[INFO] [stderr]   --> src/lib.rs:75:7
[INFO] [stderr]    |
[INFO] [stderr] 75 | trait Output {
[INFO] [stderr]    |       ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `derive_more_preview-impl` (lib) generated 1 warning
[INFO] [stderr] warning: `derive_more_preview-impl` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/derive_more_preview_impl-e571ae1235816bca)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests derive_more_preview_impl
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4a70a5267e5dc464ad642fff30fa46f58a0662ee02f10e104119ca1d6cb3fba8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a70a5267e5dc464ad642fff30fa46f58a0662ee02f10e104119ca1d6cb3fba8", kill_on_drop: false }`
[INFO] [stdout] 4a70a5267e5dc464ad642fff30fa46f58a0662ee02f10e104119ca1d6cb3fba8