[INFO] fetching crate tpe 0.1.0...
[INFO] testing tpe-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tpe 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate tpe 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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-10/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bb0bb0e8a9460a07c51e124653a0f29b9438c4ce0975049bc14659b94c7c860
[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" "9bb0bb0e8a9460a07c51e124653a0f29b9438c4ce0975049bc14659b94c7c860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bb0bb0e8a9460a07c51e124653a0f29b9438c4ce0975049bc14659b94c7c860", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bb0bb0e8a9460a07c51e124653a0f29b9438c4ce0975049bc14659b94c7c860", kill_on_drop: false }`
[INFO] [stdout] 9bb0bb0e8a9460a07c51e124653a0f29b9438c4ce0975049bc14659b94c7c860
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "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] 5780d50b4e65dd1ec338aea77cdf03de92b6f0e7c63d4d2001e981148c095eaf
[INFO] running `Command { std: "docker" "start" "-a" "5780d50b4e65dd1ec338aea77cdf03de92b6f0e7c63d4d2001e981148c095eaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling matrixmultiply v0.2.3
[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 num-complex v0.2.4
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling ordered-float v2.0.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling alga v0.9.3
[INFO] [stderr]    Compiling rand_distr v0.2.2
[INFO] [stderr]    Compiling rand_distr v0.3.0
[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 47.10s
[INFO] running `Command { std: "docker" "inspect" "5780d50b4e65dd1ec338aea77cdf03de92b6f0e7c63d4d2001e981148c095eaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5780d50b4e65dd1ec338aea77cdf03de92b6f0e7c63d4d2001e981148c095eaf", kill_on_drop: false }`
[INFO] [stdout] 5780d50b4e65dd1ec338aea77cdf03de92b6f0e7c63d4d2001e981148c095eaf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9d55bf6c6ec623956c6a6e18e828aabed4202ca29ad1228de4a9611af18d9e51
[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" "9d55bf6c6ec623956c6a6e18e828aabed4202ca29ad1228de4a9611af18d9e51", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling bstr v0.2.13
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling ordered-float v1.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling sha2 v0.8.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.11
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling rlua v0.17.0
[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 48.07s
[INFO] running `Command { std: "docker" "inspect" "9d55bf6c6ec623956c6a6e18e828aabed4202ca29ad1228de4a9611af18d9e51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d55bf6c6ec623956c6a6e18e828aabed4202ca29ad1228de4a9611af18d9e51", kill_on_drop: false }`
[INFO] [stdout] 9d55bf6c6ec623956c6a6e18e828aabed4202ca29ad1228de4a9611af18d9e51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3517d8088d996ee76e51d673b16264b22b1e06dbf6f47d5d10efb7d0e730c0fb
[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" "3517d8088d996ee76e51d673b16264b22b1e06dbf6f47d5d10efb7d0e730c0fb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tpe-4be52f321249bd07
[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
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3517d8088d996ee76e51d673b16264b22b1e06dbf6f47d5d10efb7d0e730c0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3517d8088d996ee76e51d673b16264b22b1e06dbf6f47d5d10efb7d0e730c0fb", kill_on_drop: false }`
[INFO] [stdout] 3517d8088d996ee76e51d673b16264b22b1e06dbf6f47d5d10efb7d0e730c0fb