[INFO] fetching crate tpe 0.2.0...
[INFO] testing tpe-0.2.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate tpe 0.2.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate tpe 0.2.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tpe 0.2.0
[INFO] finished tweaking crates.io crate tpe 0.2.0
[INFO] tweaked toml for crates.io crate tpe 0.2.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate tpe 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_distr v0.4.2
[INFO] [stderr]   Downloaded kurobako_core v0.1.11
[INFO] [stderr]   Downloaded nalgebra v0.27.1
[INFO] [stderr]   Downloaded rlua v0.17.1
[INFO] [stderr]   Downloaded statrs v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d3f19841f9c305ca016926072ff3a7e57a27232571f98f4e3905beed84a229c1
[INFO] running `Command { std: "docker" "start" "-a" "d3f19841f9c305ca016926072ff3a7e57a27232571f98f4e3905beed84a229c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d3f19841f9c305ca016926072ff3a7e57a27232571f98f4e3905beed84a229c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3f19841f9c305ca016926072ff3a7e57a27232571f98f4e3905beed84a229c1", kill_on_drop: false }`
[INFO] [stdout] d3f19841f9c305ca016926072ff3a7e57a27232571f98f4e3905beed84a229c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 89bf484b773f03921c756f0c89b9d97bad6d0a915ae215dbc09c57fd3227d169
[INFO] running `Command { std: "docker" "start" "-a" "89bf484b773f03921c756f0c89b9d97bad6d0a915ae215dbc09c57fd3227d169", kill_on_drop: false }`
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling syn v1.0.85
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling rawpointer v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling quote v1.0.14
[INFO] [stderr]    Compiling matrixmultiply v0.3.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling approx v0.5.0
[INFO] [stderr]    Compiling ordered-float v2.10.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling simba v0.5.1
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling nalgebra v0.27.1
[INFO] [stderr]    Compiling statrs v0.15.0
[INFO] [stderr]    Compiling tpe v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.58s
[INFO] running `Command { std: "docker" "inspect" "89bf484b773f03921c756f0c89b9d97bad6d0a915ae215dbc09c57fd3227d169", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89bf484b773f03921c756f0c89b9d97bad6d0a915ae215dbc09c57fd3227d169", kill_on_drop: false }`
[INFO] [stdout] 89bf484b773f03921c756f0c89b9d97bad6d0a915ae215dbc09c57fd3227d169
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46098c965f05089237340fba44db016dc6c312f6c1c442e58062cf8669c5d2b6
[INFO] running `Command { std: "docker" "start" "-a" "46098c965f05089237340fba44db016dc6c312f6c1c442e58062cf8669c5d2b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling serde_derive v1.0.133
[INFO] [stderr]    Compiling serde v1.0.133
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.74
[INFO] [stderr]    Compiling anyhow v1.0.52
[INFO] [stderr]    Compiling fastrand v1.6.0
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling rlua v0.17.1
[INFO] [stderr]    Compiling bstr v0.2.17
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling sha2 v0.9.9
[INFO] [stderr]    Compiling trackable v1.2.0
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling trackable v0.2.24
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling rand_distr v0.4.2
[INFO] [stderr]    Compiling nalgebra v0.27.1
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling kurobako_core v0.1.11
[INFO] [stderr]    Compiling statrs v0.15.0
[INFO] [stderr]    Compiling tpe v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 39.18s
[INFO] running `Command { std: "docker" "inspect" "46098c965f05089237340fba44db016dc6c312f6c1c442e58062cf8669c5d2b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46098c965f05089237340fba44db016dc6c312f6c1c442e58062cf8669c5d2b6", kill_on_drop: false }`
[INFO] [stdout] 46098c965f05089237340fba44db016dc6c312f6c1c442e58062cf8669c5d2b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3b450d572af58c21337420325522cf246f862dcf1753626eab84264dd0ab0fc
[INFO] running `Command { std: "docker" "start" "-a" "b3b450d572af58c21337420325522cf246f862dcf1753626eab84264dd0ab0fc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tpe-04e98ba82b89f1e0)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::optimizer_works ... ok
[INFO] [stderr]    Doc-tests tpe
[INFO] [stdout] test tests::store_and_save_trials_worls ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.20s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] test src/lib.rs - TpeOptimizer<T>::trials (line 235) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.43s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b3b450d572af58c21337420325522cf246f862dcf1753626eab84264dd0ab0fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3b450d572af58c21337420325522cf246f862dcf1753626eab84264dd0ab0fc", kill_on_drop: false }`
[INFO] [stdout] b3b450d572af58c21337420325522cf246f862dcf1753626eab84264dd0ab0fc