[INFO] fetching crate floydrivest 0.2.2...
[INFO] testing floydrivest-0.2.2 against 1.49.0 for beta-1.50-1
[INFO] extracting crate floydrivest 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate floydrivest 0.2.2 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 floydrivest 0.2.2
[INFO] finished tweaking crates.io crate floydrivest 0.2.2
[INFO] tweaked toml for crates.io crate floydrivest 0.2.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pdqselect v0.1.0
[INFO] [stderr]   Downloaded order-stat v0.1.3
[INFO] [stderr]   Downloaded index-fixed v0.0.2
[INFO] [stderr]   Downloaded kth v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d7c261a16b01e755f886dcc31bf6325e76481fd729df2ed21b6b50fdd275771e
[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" "d7c261a16b01e755f886dcc31bf6325e76481fd729df2ed21b6b50fdd275771e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7c261a16b01e755f886dcc31bf6325e76481fd729df2ed21b6b50fdd275771e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7c261a16b01e755f886dcc31bf6325e76481fd729df2ed21b6b50fdd275771e", kill_on_drop: false }`
[INFO] [stdout] d7c261a16b01e755f886dcc31bf6325e76481fd729df2ed21b6b50fdd275771e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 251e3e6720cc2a92cc5911c5ef4ab842f078fee50dbbb2b24d408c792ba69a7e
[INFO] running `Command { std: "docker" "start" "-a" "251e3e6720cc2a92cc5911c5ef4ab842f078fee50dbbb2b24d408c792ba69a7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling floydrivest v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "251e3e6720cc2a92cc5911c5ef4ab842f078fee50dbbb2b24d408c792ba69a7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "251e3e6720cc2a92cc5911c5ef4ab842f078fee50dbbb2b24d408c792ba69a7e", kill_on_drop: false }`
[INFO] [stdout] 251e3e6720cc2a92cc5911c5ef4ab842f078fee50dbbb2b24d408c792ba69a7e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 4db343212ece29c4e2e054f20c8a8c2ca73290471e7ac053b544da9e25345f86
[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" "4db343212ece29c4e2e054f20c8a8c2ca73290471e7ac053b544da9e25345f86", kill_on_drop: false }`
[INFO] [stderr]    Compiling half v1.6.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling index-fixed v0.0.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling order-stat v0.1.3
[INFO] [stderr]    Compiling pdqselect v0.1.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling kth v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling plotters v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling serde_cbor v0.11.1
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling criterion-plot v0.4.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling tinytemplate v1.2.0
[INFO] [stderr]    Compiling csv v1.1.5
[INFO] [stderr]    Compiling criterion v0.3.3
[INFO] [stderr]    Compiling floydrivest v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 46.00s
[INFO] running `Command { std: "docker" "inspect" "4db343212ece29c4e2e054f20c8a8c2ca73290471e7ac053b544da9e25345f86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4db343212ece29c4e2e054f20c8a8c2ca73290471e7ac053b544da9e25345f86", kill_on_drop: false }`
[INFO] [stdout] 4db343212ece29c4e2e054f20c8a8c2ca73290471e7ac053b544da9e25345f86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e0891201abcfd383de6cbd1f379e29ea5cbe2c59237028f4557acffdae53afac
[INFO] running `Command { std: "docker" "start" "-a" "e0891201abcfd383de6cbd1f379e29ea5cbe2c59237028f4557acffdae53afac", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/floydrivest-4b1febd6466ead27
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test tests::test_iter ... ok
[INFO] [stdout] test tests::test_simple ... ok
[INFO] [stdout] test tests::big_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests floydrivest
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - nth_element (line 14) ... 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" "e0891201abcfd383de6cbd1f379e29ea5cbe2c59237028f4557acffdae53afac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0891201abcfd383de6cbd1f379e29ea5cbe2c59237028f4557acffdae53afac", kill_on_drop: false }`
[INFO] [stdout] e0891201abcfd383de6cbd1f379e29ea5cbe2c59237028f4557acffdae53afac