[INFO] fetching crate iter_variants 0.2.0...
[INFO] testing iter_variants-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate iter_variants 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate iter_variants 0.2.0
[INFO] finished tweaking crates.io crate iter_variants 0.2.0
[INFO] tweaked toml for crates.io crate iter_variants 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate iter_variants 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate iter_variants 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded iter_variants_derive v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d5a4b26859c0a3fb057c86af218d2039af0a085d69ede5e21f69336cdcc2d5c
[INFO] running `Command { std: "docker" "start" "-a" "9d5a4b26859c0a3fb057c86af218d2039af0a085d69ede5e21f69336cdcc2d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d5a4b26859c0a3fb057c86af218d2039af0a085d69ede5e21f69336cdcc2d5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5a4b26859c0a3fb057c86af218d2039af0a085d69ede5e21f69336cdcc2d5c", kill_on_drop: false }`
[INFO] [stdout] 9d5a4b26859c0a3fb057c86af218d2039af0a085d69ede5e21f69336cdcc2d5c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9c7789a468d303958faf6f073f639e8441acc250bed1fd7286e0a4925dd2666
[INFO] running `Command { std: "docker" "start" "-a" "c9c7789a468d303958faf6f073f639e8441acc250bed1fd7286e0a4925dd2666", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling iter_variants_derive v0.2.0
[INFO] [stderr]    Compiling iter_variants v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.64s
[INFO] running `Command { std: "docker" "inspect" "c9c7789a468d303958faf6f073f639e8441acc250bed1fd7286e0a4925dd2666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9c7789a468d303958faf6f073f639e8441acc250bed1fd7286e0a4925dd2666", kill_on_drop: false }`
[INFO] [stdout] c9c7789a468d303958faf6f073f639e8441acc250bed1fd7286e0a4925dd2666
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a50fef065734fe0bb37404e19b4d2a665cd3a2beb2fbc33256286770219f1d22
[INFO] running `Command { std: "docker" "start" "-a" "a50fef065734fe0bb37404e19b4d2a665cd3a2beb2fbc33256286770219f1d22", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter_variants v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "a50fef065734fe0bb37404e19b4d2a665cd3a2beb2fbc33256286770219f1d22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a50fef065734fe0bb37404e19b4d2a665cd3a2beb2fbc33256286770219f1d22", kill_on_drop: false }`
[INFO] [stdout] a50fef065734fe0bb37404e19b4d2a665cd3a2beb2fbc33256286770219f1d22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1d5928c023f0b41a9bd0df42b1167b5c54dfbdcaa4ac458471629abb89d4a87a
[INFO] running `Command { std: "docker" "start" "-a" "1d5928c023f0b41a9bd0df42b1167b5c54dfbdcaa4ac458471629abb89d4a87a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/iter_variants-30c6718e09ac415e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_generic_param ... ok
[INFO] [stdout] test tests::collect_variants_example ... ok
[INFO] [stdout] test tests::iter_variants_example ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_variants
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - IterVariants::iter_variants_count (line 145) ... ok
[INFO] [stdout] test src/lib.rs - IterVariants::iter_variants (line 99) ... ok
[INFO] [stdout] test src/lib.rs - IterVariants::collect_variants (line 118) ... ok
[INFO] [stdout] test src/lib.rs - IterVariants (line 84) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 1.03s; merged doctests compilation took 1.01s
[INFO] running `Command { std: "docker" "inspect" "1d5928c023f0b41a9bd0df42b1167b5c54dfbdcaa4ac458471629abb89d4a87a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d5928c023f0b41a9bd0df42b1167b5c54dfbdcaa4ac458471629abb89d4a87a", kill_on_drop: false }`
[INFO] [stdout] 1d5928c023f0b41a9bd0df42b1167b5c54dfbdcaa4ac458471629abb89d4a87a