[INFO] fetching crate tpe 0.1.0...
[INFO] testing tpe-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate tpe 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate tpe 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tpe 0.1.0
[INFO] finished tweaking crates.io crate tpe 0.1.0
[INFO] tweaked toml for crates.io crate tpe 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate tpe 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kurobako_core v0.1.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ea11a8b9e54966ca01d8f6d69242348435d098cca4e763500a248b26d6336dd
[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" "6ea11a8b9e54966ca01d8f6d69242348435d098cca4e763500a248b26d6336dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ea11a8b9e54966ca01d8f6d69242348435d098cca4e763500a248b26d6336dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ea11a8b9e54966ca01d8f6d69242348435d098cca4e763500a248b26d6336dd", kill_on_drop: false }`
[INFO] [stdout] 6ea11a8b9e54966ca01d8f6d69242348435d098cca4e763500a248b26d6336dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a9fb6b580b76cafb95551fd2f888d7e952c35f90c292941ab0e4a916b0dab61
[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" "7a9fb6b580b76cafb95551fd2f888d7e952c35f90c292941ab0e4a916b0dab61", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling ordered-float v2.0.0
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling rand_distr v0.3.0
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling nalgebra v0.19.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]    Compiling thiserror v1.0.20
[INFO] [stderr]    Compiling statrs v0.13.0
[INFO] [stderr]    Compiling tpe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.08s
[INFO] running `Command { std: "docker" "inspect" "7a9fb6b580b76cafb95551fd2f888d7e952c35f90c292941ab0e4a916b0dab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9fb6b580b76cafb95551fd2f888d7e952c35f90c292941ab0e4a916b0dab61", kill_on_drop: false }`
[INFO] [stdout] 7a9fb6b580b76cafb95551fd2f888d7e952c35f90c292941ab0e4a916b0dab61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67d5fc7217dd43ed67ed09e6023f9add27c6d107dae5d47754c703ff66a863e9
[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" "67d5fc7217dd43ed67ed09e6023f9add27c6d107dae5d47754c703ff66a863e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling rlua v0.17.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling structopt v0.3.18
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling kurobako_core v0.1.8
[INFO] [stderr]    Compiling tpe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 43.11s
[INFO] running `Command { std: "docker" "inspect" "67d5fc7217dd43ed67ed09e6023f9add27c6d107dae5d47754c703ff66a863e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d5fc7217dd43ed67ed09e6023f9add27c6d107dae5d47754c703ff66a863e9", kill_on_drop: false }`
[INFO] [stdout] 67d5fc7217dd43ed67ed09e6023f9add27c6d107dae5d47754c703ff66a863e9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 48c2a0167c559d76d3895414c707dc7d64dcca5ef359e4853effe1f69f6cd6fb
[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" "48c2a0167c559d76d3895414c707dc7d64dcca5ef359e4853effe1f69f6cd6fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tpe-adf8fbde43173ddc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests tpe
[INFO] [stdout] test tests::optimizer_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.37s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "48c2a0167c559d76d3895414c707dc7d64dcca5ef359e4853effe1f69f6cd6fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48c2a0167c559d76d3895414c707dc7d64dcca5ef359e4853effe1f69f6cd6fb", kill_on_drop: false }`
[INFO] [stdout] 48c2a0167c559d76d3895414c707dc7d64dcca5ef359e4853effe1f69f6cd6fb