[INFO] fetching crate derive_more_preview-impl 0.1.0...
[INFO] testing derive_more_preview-impl-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate derive_more_preview-impl 0.1.0 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate derive_more_preview-impl 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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: v0.9.0)
[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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d11a896896e3ec7392211957fdf2a6e24d8900867de91629445200cf19bfeb1
[INFO] running `Command { std: "docker" "start" "-a" "2d11a896896e3ec7392211957fdf2a6e24d8900867de91629445200cf19bfeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d11a896896e3ec7392211957fdf2a6e24d8900867de91629445200cf19bfeb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d11a896896e3ec7392211957fdf2a6e24d8900867de91629445200cf19bfeb1", kill_on_drop: false }`
[INFO] [stdout] 2d11a896896e3ec7392211957fdf2a6e24d8900867de91629445200cf19bfeb1
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d5a78305b94de699c9aa345a45bd073cc72d0545508726fd6852c98c2c2b0f8e
[INFO] running `Command { std: "docker" "start" "-a" "d5a78305b94de699c9aa345a45bd073cc72d0545508726fd6852c98c2c2b0f8e", 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d5a78305b94de699c9aa345a45bd073cc72d0545508726fd6852c98c2c2b0f8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5a78305b94de699c9aa345a45bd073cc72d0545508726fd6852c98c2c2b0f8e", kill_on_drop: false }`
[INFO] [stdout] d5a78305b94de699c9aa345a45bd073cc72d0545508726fd6852c98c2c2b0f8e
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d79b94e4f081c3af67b5fd73f1e8a73c6bb0513cd5f4d2054b1da8ff19751e22
[INFO] running `Command { std: "docker" "start" "-a" "d79b94e4f081c3af67b5fd73f1e8a73c6bb0513cd5f4d2054b1da8ff19751e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.11.0
[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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "d79b94e4f081c3af67b5fd73f1e8a73c6bb0513cd5f4d2054b1da8ff19751e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d79b94e4f081c3af67b5fd73f1e8a73c6bb0513cd5f4d2054b1da8ff19751e22", kill_on_drop: false }`
[INFO] [stdout] d79b94e4f081c3af67b5fd73f1e8a73c6bb0513cd5f4d2054b1da8ff19751e22
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df04251a62b05f92b27a75cba7eabb5b369d9fc56c221b6af22ee5924e3b272f
[INFO] running `Command { std: "docker" "start" "-a" "df04251a62b05f92b27a75cba7eabb5b369d9fc56c221b6af22ee5924e3b272f", 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)]` (part of `#[warn(unused)]`) 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 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/derive_more_preview_impl-12d0165c8ca7b76f)
[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" "df04251a62b05f92b27a75cba7eabb5b369d9fc56c221b6af22ee5924e3b272f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df04251a62b05f92b27a75cba7eabb5b369d9fc56c221b6af22ee5924e3b272f", kill_on_drop: false }`
[INFO] [stdout] df04251a62b05f92b27a75cba7eabb5b369d9fc56c221b6af22ee5924e3b272f