[INFO] fetching crate tpe 0.1.1... [INFO] testing tpe-0.1.1 against 1.55.0 for beta-1.56-1 [INFO] extracting crate tpe 0.1.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate tpe 0.1.1 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tpe 0.1.1 [INFO] finished tweaking crates.io crate tpe 0.1.1 [INFO] tweaked toml for crates.io crate tpe 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate crates.io crate tpe 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", 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] d4f2ee561a7a6925673f7767ca7ef75b7061407dd2321355a4c1886712894830 [INFO] running `Command { std: "docker" "start" "-a" "d4f2ee561a7a6925673f7767ca7ef75b7061407dd2321355a4c1886712894830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d4f2ee561a7a6925673f7767ca7ef75b7061407dd2321355a4c1886712894830", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4f2ee561a7a6925673f7767ca7ef75b7061407dd2321355a4c1886712894830", kill_on_drop: false }` [INFO] [stdout] d4f2ee561a7a6925673f7767ca7ef75b7061407dd2321355a4c1886712894830 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c1798de8763206b7e8283925186002c4b3a9c94a7e05242b9843caa86f175f3d [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" "c1798de8763206b7e8283925186002c4b3a9c94a7e05242b9843caa86f175f3d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Compiling syn v1.0.64 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling generic-array v0.13.3 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v2.1.1 [INFO] [stderr] Compiling alga v0.9.3 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling getrandom v0.1.16 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rand_distr v0.4.0 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling nalgebra v0.19.0 [INFO] [stderr] Compiling thiserror-impl v1.0.24 [INFO] [stderr] Compiling thiserror v1.0.24 [INFO] [stderr] Compiling statrs v0.13.0 [INFO] [stderr] Compiling tpe v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.06s [INFO] running `Command { std: "docker" "inspect" "c1798de8763206b7e8283925186002c4b3a9c94a7e05242b9843caa86f175f3d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c1798de8763206b7e8283925186002c4b3a9c94a7e05242b9843caa86f175f3d", kill_on_drop: false }` [INFO] [stdout] c1798de8763206b7e8283925186002c4b3a9c94a7e05242b9843caa86f175f3d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c57b5391809508a0e1b459dcb98b81f4c5d1def576578b3c55211149054b6415 [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" "c57b5391809508a0e1b459dcb98b81f4c5d1def576578b3c55211149054b6415", kill_on_drop: false }` [INFO] [stderr] Compiling serde_derive v1.0.124 [INFO] [stderr] Compiling cc v1.0.67 [INFO] [stderr] Compiling serde v1.0.124 [INFO] [stderr] Compiling anyhow v1.0.38 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling generic-array v0.14.4 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling trackable_derive v1.0.0 [INFO] [stderr] Compiling bstr v0.2.15 [INFO] [stderr] Compiling tempfile v3.2.0 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Compiling block-buffer v0.9.0 [INFO] [stderr] Compiling digest v0.9.0 [INFO] [stderr] Compiling sha2 v0.9.3 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.14 [INFO] [stderr] Compiling trackable v1.1.0 [INFO] [stderr] Compiling rlua v0.17.0 [INFO] [stderr] Compiling trackable v0.2.24 [INFO] [stderr] Compiling structopt v0.3.21 [INFO] [stderr] Compiling serde_json v1.0.64 [INFO] [stderr] Compiling kurobako_core v0.1.11 [INFO] [stderr] Compiling tpe v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 40.97s [INFO] running `Command { std: "docker" "inspect" "c57b5391809508a0e1b459dcb98b81f4c5d1def576578b3c55211149054b6415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c57b5391809508a0e1b459dcb98b81f4c5d1def576578b3c55211149054b6415", kill_on_drop: false }` [INFO] [stdout] c57b5391809508a0e1b459dcb98b81f4c5d1def576578b3c55211149054b6415 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] b827bf162c35615185b0d34ebbd0ec2222dbdf06015b6b895870b53c19f4d2b4 [INFO] running `Command { std: "docker" "start" "-a" "b827bf162c35615185b0d34ebbd0ec2222dbdf06015b6b895870b53c19f4d2b4", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tpe-55d78c27de4d1bc7) [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test tests::optimizer_works ... ok [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 0.23s [INFO] [stdout] [INFO] [stderr] Doc-tests tpe [INFO] [stdout] [INFO] [stdout] running 2 tests [INFO] [stdout] test src/lib.rs - (line 6) ... ok [INFO] [stdout] test src/lib.rs - TpeOptimizer::trials (line 235) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.49s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b827bf162c35615185b0d34ebbd0ec2222dbdf06015b6b895870b53c19f4d2b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b827bf162c35615185b0d34ebbd0ec2222dbdf06015b6b895870b53c19f4d2b4", kill_on_drop: false }` [INFO] [stdout] b827bf162c35615185b0d34ebbd0ec2222dbdf06015b6b895870b53c19f4d2b4