[INFO] crate rhuffle 0.3.0 is already in cache
[INFO] testing rhuffle-0.3.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate rhuffle 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rhuffle 0.3.0 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-0/source/.cargo/config
[INFO] started tweaking crates.io crate rhuffle 0.3.0
[INFO] finished tweaking crates.io crate rhuffle 0.3.0
[INFO] tweaked toml for crates.io crate rhuffle 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rhuffle 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9fe7da88a63db4563de56ef44fd7e0619ca46eae7eb30e3ee9534d191fd54b16
[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" "9fe7da88a63db4563de56ef44fd7e0619ca46eae7eb30e3ee9534d191fd54b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fe7da88a63db4563de56ef44fd7e0619ca46eae7eb30e3ee9534d191fd54b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fe7da88a63db4563de56ef44fd7e0619ca46eae7eb30e3ee9534d191fd54b16", kill_on_drop: false }`
[INFO] [stdout] 9fe7da88a63db4563de56ef44fd7e0619ca46eae7eb30e3ee9534d191fd54b16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6197336a2f096d3f4d1479919d78810288ba8b28024249cc948f484d72c93567
[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" "6197336a2f096d3f4d1479919d78810288ba8b28024249cc948f484d72c93567", kill_on_drop: false }`
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling libc v0.2.59
[INFO] [stderr]    Compiling autocfg v0.1.4
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling regex v1.1.9
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling rhuffle v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling regex-syntax v0.6.8
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]    Compiling aho-corasick v0.7.4
[INFO] [stderr]    Compiling getrandom v0.1.6
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.79s
[INFO] running `Command { std: "docker" "inspect" "6197336a2f096d3f4d1479919d78810288ba8b28024249cc948f484d72c93567", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6197336a2f096d3f4d1479919d78810288ba8b28024249cc948f484d72c93567", kill_on_drop: false }`
[INFO] [stdout] 6197336a2f096d3f4d1479919d78810288ba8b28024249cc948f484d72c93567
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48cbe9f18cbd651d1ea4454e0bd1ce7600495c4e42df7941629ba3868e1a2acb
[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" "48cbe9f18cbd651d1ea4454e0bd1ce7600495c4e42df7941629ba3868e1a2acb", kill_on_drop: false }`
[INFO] [stderr]    Compiling rhuffle v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.47s
[INFO] running `Command { std: "docker" "inspect" "48cbe9f18cbd651d1ea4454e0bd1ce7600495c4e42df7941629ba3868e1a2acb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48cbe9f18cbd651d1ea4454e0bd1ce7600495c4e42df7941629ba3868e1a2acb", kill_on_drop: false }`
[INFO] [stdout] 48cbe9f18cbd651d1ea4454e0bd1ce7600495c4e42df7941629ba3868e1a2acb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f4b329a9d6038a583c5b73aeb0e5d4a301d3a53094e78a8c3d0ec94ac326024e
[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" "f4b329a9d6038a583c5b73aeb0e5d4a301d3a53094e78a8c3d0ec94ac326024e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rhuffle-6e6fbeb1f3cbccaa
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test io::read_line_with_linefeed_test_3 ... ok
[INFO] [stdout] test io::read_line_with_linefeed_test_1 ... ok
[INFO] [stdout] test io::read_line_with_linefeed_test_4 ... ok
[INFO] [stdout] test io::read_line_with_linefeed_test_2 ... ok
[INFO] [stdout] test io::read_line_with_linefeed_test_5 ... ok
[INFO] [stdout] test shuffle::fisher_yates_shuffle_chi_square_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f4b329a9d6038a583c5b73aeb0e5d4a301d3a53094e78a8c3d0ec94ac326024e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b329a9d6038a583c5b73aeb0e5d4a301d3a53094e78a8c3d0ec94ac326024e", kill_on_drop: false }`
[INFO] [stdout] f4b329a9d6038a583c5b73aeb0e5d4a301d3a53094e78a8c3d0ec94ac326024e