[INFO] fetching crate optimal-core 0.0.0...
[INFO] testing optimal-core-0.0.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate optimal-core 0.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate optimal-core 0.0.0
[INFO] finished tweaking crates.io crate optimal-core 0.0.0
[INFO] tweaked toml for crates.io crate optimal-core 0.0.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimal-core 0.0.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 16 packages to latest compatible versions
[INFO] [stderr]       Adding blanket v0.3.0 (available: v0.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded blanket v0.3.0
[INFO] [stderr]   Downloaded replace_with v0.1.8
[INFO] [stderr]   Downloaded streaming-iterator v0.1.9
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b04d69032615635e6c42212855f31f349e57c0a58f0cebe94613aaf336968fe3
[INFO] running `Command { std: "docker" "start" "-a" "b04d69032615635e6c42212855f31f349e57c0a58f0cebe94613aaf336968fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b04d69032615635e6c42212855f31f349e57c0a58f0cebe94613aaf336968fe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b04d69032615635e6c42212855f31f349e57c0a58f0cebe94613aaf336968fe3", kill_on_drop: false }`
[INFO] [stdout] b04d69032615635e6c42212855f31f349e57c0a58f0cebe94613aaf336968fe3
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e2bd344ef79b63e521085006c0cc2d6d8822283afa5cd879c21cc2a4280aa88
[INFO] running `Command { std: "docker" "start" "-a" "1e2bd344ef79b63e521085006c0cc2d6d8822283afa5cd879c21cc2a4280aa88", kill_on_drop: false }`
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling blanket v0.3.0
[INFO] [stderr]    Compiling optimal-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.43s
[INFO] running `Command { std: "docker" "inspect" "1e2bd344ef79b63e521085006c0cc2d6d8822283afa5cd879c21cc2a4280aa88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e2bd344ef79b63e521085006c0cc2d6d8822283afa5cd879c21cc2a4280aa88", kill_on_drop: false }`
[INFO] [stdout] 1e2bd344ef79b63e521085006c0cc2d6d8822283afa5cd879c21cc2a4280aa88
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cf8f7ec2f04e7c138fd626ecba2d5c12e29786227dffacee7039605091eabaf
[INFO] running `Command { std: "docker" "start" "-a" "2cf8f7ec2f04e7c138fd626ecba2d5c12e29786227dffacee7039605091eabaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling replace_with v0.1.8
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling blanket v0.3.0
[INFO] [stderr]    Compiling optimal-core v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 5.62s
[INFO] running `Command { std: "docker" "inspect" "2cf8f7ec2f04e7c138fd626ecba2d5c12e29786227dffacee7039605091eabaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cf8f7ec2f04e7c138fd626ecba2d5c12e29786227dffacee7039605091eabaf", kill_on_drop: false }`
[INFO] [stdout] 2cf8f7ec2f04e7c138fd626ecba2d5c12e29786227dffacee7039605091eabaf
[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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab203f775f0d953e9180e8f426a5753b4d54cac85f7f4430cb7e2f70a2e8e95e
[INFO] running `Command { std: "docker" "start" "-a" "ab203f775f0d953e9180e8f426a5753b4d54cac85f7f4430cb7e2f70a2e8e95e", 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/optimal_core-b94e80557ab136ec)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::examining_state_and_corresponding_evaluations_should_be_easy ... ok
[INFO] [stdout] test tests::dynamic_optimizers_should_be_partially_runable ... ok
[INFO] [stdout] test tests::optimizers_should_be_easily_comparable ... ok
[INFO] [stdout] test tests::optimizers_should_be_able_to_restart_automatically ... ok
[INFO] [stdout] test tests::parallel_optimization_runs_should_be_easy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests optimal_core
[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" "ab203f775f0d953e9180e8f426a5753b4d54cac85f7f4430cb7e2f70a2e8e95e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab203f775f0d953e9180e8f426a5753b4d54cac85f7f4430cb7e2f70a2e8e95e", kill_on_drop: false }`
[INFO] [stdout] ab203f775f0d953e9180e8f426a5753b4d54cac85f7f4430cb7e2f70a2e8e95e