[INFO] crate rkm 0.8.1 is already in cache
[INFO] testing rkm-0.8.1 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rkm 0.8.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate rkm 0.8.1 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rkm 0.8.1
[INFO] finished tweaking crates.io crate rkm 0.8.1
[INFO] tweaked toml for crates.io crate rkm 0.8.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate rkm 0.8.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b38ce0a6ad7159300c571b174e667bb387ff79ad33d9952c7fac9819390ba220
[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" "b38ce0a6ad7159300c571b174e667bb387ff79ad33d9952c7fac9819390ba220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b38ce0a6ad7159300c571b174e667bb387ff79ad33d9952c7fac9819390ba220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b38ce0a6ad7159300c571b174e667bb387ff79ad33d9952c7fac9819390ba220", kill_on_drop: false }`
[INFO] [stdout] b38ce0a6ad7159300c571b174e667bb387ff79ad33d9952c7fac9819390ba220
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb6cf12d5b2e12ea2a725e9b1c2deced84036d2f6b96ff12cd0a0c360b387714
[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" "cb6cf12d5b2e12ea2a725e9b1c2deced84036d2f6b96ff12cd0a0c360b387714", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]    Compiling rawpointer v0.1.0
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-bigint v0.2.5
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling bstr v0.2.9
[INFO] [stderr]    Compiling csv v1.1.3
[INFO] [stderr]    Compiling rkm v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.97s
[INFO] running `Command { std: "docker" "inspect" "cb6cf12d5b2e12ea2a725e9b1c2deced84036d2f6b96ff12cd0a0c360b387714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb6cf12d5b2e12ea2a725e9b1c2deced84036d2f6b96ff12cd0a0c360b387714", kill_on_drop: false }`
[INFO] [stdout] cb6cf12d5b2e12ea2a725e9b1c2deced84036d2f6b96ff12cd0a0c360b387714
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 346579c1c5b2c14ad052ecebc8673902fcd68e8e2de7b0af74db7e53830a69b0
[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" "346579c1c5b2c14ad052ecebc8673902fcd68e8e2de7b0af74db7e53830a69b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling rkm v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.30s
[INFO] running `Command { std: "docker" "inspect" "346579c1c5b2c14ad052ecebc8673902fcd68e8e2de7b0af74db7e53830a69b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "346579c1c5b2c14ad052ecebc8673902fcd68e8e2de7b0af74db7e53830a69b0", kill_on_drop: false }`
[INFO] [stdout] 346579c1c5b2c14ad052ecebc8673902fcd68e8e2de7b0af74db7e53830a69b0
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc94d3192e8a7ad28183424cc5aa47b58e7a557b89089597086d603660972800
[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" "bc94d3192e8a7ad28183424cc5aa47b58e7a557b89089597086d603660972800", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rkm-b836e28c7d02d302
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::test_closest_mean ... ok
[INFO] [stdout] test tests::test_closest_distances ... ok
[INFO] [stdout] test tests::test_distance ... ok
[INFO] [stdout] test tests::test_small_kmeans ... ok
[INFO] [stdout] test tests::test_calculate_means ... ok
[INFO] [stdout] test tests::test_min_k ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rkm_example-f8c7ea4278a9db59
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rkm
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bc94d3192e8a7ad28183424cc5aa47b58e7a557b89089597086d603660972800", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc94d3192e8a7ad28183424cc5aa47b58e7a557b89089597086d603660972800", kill_on_drop: false }`
[INFO] [stdout] bc94d3192e8a7ad28183424cc5aa47b58e7a557b89089597086d603660972800