[INFO] fetching crate simplers_optimization 0.4.2...
[INFO] testing simplers_optimization-0.4.2 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate simplers_optimization 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate simplers_optimization 0.4.2 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simplers_optimization 0.4.2
[INFO] finished tweaking crates.io crate simplers_optimization 0.4.2
[INFO] tweaked toml for crates.io crate simplers_optimization 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate simplers_optimization 0.4.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v2.0.0
[INFO] [stderr]   Downloaded priority-queue v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5593324b09567873c0cee289a82f52a9df375b032e5bcce2a36a4dd5ae6e0a51
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5593324b09567873c0cee289a82f52a9df375b032e5bcce2a36a4dd5ae6e0a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5593324b09567873c0cee289a82f52a9df375b032e5bcce2a36a4dd5ae6e0a51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5593324b09567873c0cee289a82f52a9df375b032e5bcce2a36a4dd5ae6e0a51", kill_on_drop: false }`
[INFO] [stdout] 5593324b09567873c0cee289a82f52a9df375b032e5bcce2a36a4dd5ae6e0a51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b892bcfc19d5fa40f82ccd76f7e312f04d546350ae7f68d9d6a70c4c8375d5e
[INFO] running `Command { std: "docker" "start" "-a" "8b892bcfc19d5fa40f82ccd76f7e312f04d546350ae7f68d9d6a70c4c8375d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling priority-queue v1.0.1
[INFO] [stderr]    Compiling ordered-float v2.0.0
[INFO] [stderr]    Compiling simplers_optimization v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.84s
[INFO] running `Command { std: "docker" "inspect" "8b892bcfc19d5fa40f82ccd76f7e312f04d546350ae7f68d9d6a70c4c8375d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b892bcfc19d5fa40f82ccd76f7e312f04d546350ae7f68d9d6a70c4c8375d5e", kill_on_drop: false }`
[INFO] [stdout] 8b892bcfc19d5fa40f82ccd76f7e312f04d546350ae7f68d9d6a70c4c8375d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62c0820064e8a90da59a374767160583c9715bae141d58d4e424cbc3ee7de348
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "62c0820064e8a90da59a374767160583c9715bae141d58d4e424cbc3ee7de348", kill_on_drop: false }`
[INFO] [stderr]    Compiling simplers_optimization v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.72s
[INFO] running `Command { std: "docker" "inspect" "62c0820064e8a90da59a374767160583c9715bae141d58d4e424cbc3ee7de348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62c0820064e8a90da59a374767160583c9715bae141d58d4e424cbc3ee7de348", kill_on_drop: false }`
[INFO] [stdout] 62c0820064e8a90da59a374767160583c9715bae141d58d4e424cbc3ee7de348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e5f7ab6ae679a3ac47a22b0e4ab990f58162e94fc6eb2c4a3240847faa0d2236
[INFO] running `Command { std: "docker" "start" "-a" "e5f7ab6ae679a3ac47a22b0e4ab990f58162e94fc6eb2c4a3240847faa0d2236", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/simplers_optimization-880c8913bb4407b5)
[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]      Running unittests (/opt/rustwide/target/debug/deps/simplers_optimization-389ffb466d68f80b)
[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 simplers_optimization
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 22) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::minimize (line 152) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::new (line 31) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::set_exploration_depth (line 93) ... ok
[INFO] [stdout] test src/algorithm.rs - algorithm::Optimizer::maximize (line 125) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e5f7ab6ae679a3ac47a22b0e4ab990f58162e94fc6eb2c4a3240847faa0d2236", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5f7ab6ae679a3ac47a22b0e4ab990f58162e94fc6eb2c4a3240847faa0d2236", kill_on_drop: false }`
[INFO] [stdout] e5f7ab6ae679a3ac47a22b0e4ab990f58162e94fc6eb2c4a3240847faa0d2236