[INFO] fetching crate variant-set 0.1.0...
[INFO] testing variant-set-0.1.0 against 1.90.0 for beta-1.91-3
[INFO] extracting crate variant-set 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate variant-set 0.1.0
[INFO] finished tweaking crates.io crate variant-set 0.1.0
[INFO] tweaked toml for crates.io crate variant-set 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate variant-set 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 6 packages to latest compatible versions
[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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded variant-set-derive v0.1.0
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e168ab4866051bac35944c1fb5f1c8b3f882f5a6cd6fc69b7571903657405685
[INFO] running `Command { std: "docker" "start" "-a" "e168ab4866051bac35944c1fb5f1c8b3f882f5a6cd6fc69b7571903657405685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e168ab4866051bac35944c1fb5f1c8b3f882f5a6cd6fc69b7571903657405685", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e168ab4866051bac35944c1fb5f1c8b3f882f5a6cd6fc69b7571903657405685", kill_on_drop: false }`
[INFO] [stdout] e168ab4866051bac35944c1fb5f1c8b3f882f5a6cd6fc69b7571903657405685
[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=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] 3fd13b09bb7604858e4081f8086ff77d1ea4b296b2bb76076173cdb9bd26fc35
[INFO] running `Command { std: "docker" "start" "-a" "3fd13b09bb7604858e4081f8086ff77d1ea4b296b2bb76076173cdb9bd26fc35", kill_on_drop: false }`
[INFO] [stderr]    Compiling variant-set-derive v0.1.0
[INFO] [stderr]    Compiling variant-set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "3fd13b09bb7604858e4081f8086ff77d1ea4b296b2bb76076173cdb9bd26fc35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fd13b09bb7604858e4081f8086ff77d1ea4b296b2bb76076173cdb9bd26fc35", kill_on_drop: false }`
[INFO] [stdout] 3fd13b09bb7604858e4081f8086ff77d1ea4b296b2bb76076173cdb9bd26fc35
[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=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] 04ba6f744ef1f33f2b6c5505c740fb22349ea6b739eba2a1842b586b38d17939
[INFO] running `Command { std: "docker" "start" "-a" "04ba6f744ef1f33f2b6c5505c740fb22349ea6b739eba2a1842b586b38d17939", kill_on_drop: false }`
[INFO] [stderr]    Compiling variant-set v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "04ba6f744ef1f33f2b6c5505c740fb22349ea6b739eba2a1842b586b38d17939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ba6f744ef1f33f2b6c5505c740fb22349ea6b739eba2a1842b586b38d17939", kill_on_drop: false }`
[INFO] [stdout] 04ba6f744ef1f33f2b6c5505c740fb22349ea6b739eba2a1842b586b38d17939
[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=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] 797c19ccb40ab5c735d0262fcf2acf16d1ba23206c56b7f65ed825ecb2544da7
[INFO] running `Command { std: "docker" "start" "-a" "797c19ccb40ab5c735d0262fcf2acf16d1ba23206c56b7f65ed825ecb2544da7", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variant_set-ce7ed6f8d329f93f)
[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] [stderr]    Doc-tests variant_set
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 30 tests
[INFO] [stdout] test src/lib.rs - VariantSet<T>::default (line 570) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::extend (line 690) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::from (line 785) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::insert (line 162) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::capacity (line 114) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::get (line 279) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::clone (line 593) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::from_iter (line 756) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::get_or_insert (line 300) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet (line 28) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::fmt (line 626) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::eq (line 655) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::contains_exact (line 230) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::contains (line 210) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::drain (line 254) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::clear (line 134) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::is_empty (line 320) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::take (line 543) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::iter (line 340) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::into_iter (line 724) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::shrink_to_fit (line 521) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::new (line 71) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::set (line 187) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::len (line 364) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::remove (line 387) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::with_capacity (line 92) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::shrink_to (line 499) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::reserve (line 444) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::remove_exact (line 408) ... ok
[INFO] [stdout] test src/lib.rs - VariantSet<T>::try_reserve (line 469) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 30 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "797c19ccb40ab5c735d0262fcf2acf16d1ba23206c56b7f65ed825ecb2544da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797c19ccb40ab5c735d0262fcf2acf16d1ba23206c56b7f65ed825ecb2544da7", kill_on_drop: false }`
[INFO] [stdout] 797c19ccb40ab5c735d0262fcf2acf16d1ba23206c56b7f65ed825ecb2544da7