[INFO] crate subslice 0.2.2 is already in cache
[INFO] testing subslice-0.2.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate subslice 0.2.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate subslice 0.2.2 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 subslice 0.2.2
[INFO] finished tweaking crates.io crate subslice 0.2.2
[INFO] tweaked toml for crates.io crate subslice 0.2.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "+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-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" "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] 0ffe750eac2b6cf8151f562369b8169506d36ce4b70784a9b88eec22ed5fb2aa
[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" "0ffe750eac2b6cf8151f562369b8169506d36ce4b70784a9b88eec22ed5fb2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0ffe750eac2b6cf8151f562369b8169506d36ce4b70784a9b88eec22ed5fb2aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ffe750eac2b6cf8151f562369b8169506d36ce4b70784a9b88eec22ed5fb2aa", kill_on_drop: false }`
[INFO] [stdout] 0ffe750eac2b6cf8151f562369b8169506d36ce4b70784a9b88eec22ed5fb2aa
[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" "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] 436b1f7b84cf37d2bdd92699bf7c14dac61fcffc7b5b8da4ce30e8f237ba61a3
[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" "436b1f7b84cf37d2bdd92699bf7c14dac61fcffc7b5b8da4ce30e8f237ba61a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling subslice v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.85s
[INFO] running `Command { std: "docker" "inspect" "436b1f7b84cf37d2bdd92699bf7c14dac61fcffc7b5b8da4ce30e8f237ba61a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "436b1f7b84cf37d2bdd92699bf7c14dac61fcffc7b5b8da4ce30e8f237ba61a3", kill_on_drop: false }`
[INFO] [stdout] 436b1f7b84cf37d2bdd92699bf7c14dac61fcffc7b5b8da4ce30e8f237ba61a3
[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" "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] 5d775841e4e4c8a29a73eef747d07dd36e2e8dd448a1fbaa1c01ce4b04905622
[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" "5d775841e4e4c8a29a73eef747d07dd36e2e8dd448a1fbaa1c01ce4b04905622", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]    Compiling odds v0.2.26
[INFO] [stderr]    Compiling macro-attr v0.2.0
[INFO] [stderr]    Compiling quickcheck v0.5.0
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling newtype_derive v0.1.6
[INFO] [stderr]    Compiling subslice v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tw.rs:305:39
[INFO] [stdout]     |
[INFO] [stdout] 305 |     assert_eq!(2, compute_max_suf_pos((b"aab")));
[INFO] [stdout]     |                                       ^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tw.rs:307:39
[INFO] [stdout]     |
[INFO] [stdout] 307 |     assert_eq!(2, compute_max_suf_pos((b"aabaa")));
[INFO] [stdout]     |                                       ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tw.rs:309:39
[INFO] [stdout]     |
[INFO] [stdout] 309 |     assert_eq!(0, compute_max_suf_pos((b"gcagagag")));
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tw.rs:310:39
[INFO] [stdout]     |
[INFO] [stdout] 310 |     assert_eq!(2, compute_max_suf_pos((b"banana")));
[INFO] [stdout]     |                                       ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tw.rs:315:42
[INFO] [stdout]     |
[INFO] [stdout] 315 |     assert_eq!((2, 1), maxsuf_and_period((b"aab")));
[INFO] [stdout]     |                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tw.rs:316:42
[INFO] [stdout]     |
[INFO] [stdout] 316 |     assert_eq!((2, 3), maxsuf_and_period((b"aabaa")));
[INFO] [stdout]     |                                          ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/tw.rs:317:42
[INFO] [stdout]     |
[INFO] [stdout] 317 |     assert_eq!((0, 7), maxsuf_and_period((b"gcagagag")));
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.78s
[INFO] running `Command { std: "docker" "inspect" "5d775841e4e4c8a29a73eef747d07dd36e2e8dd448a1fbaa1c01ce4b04905622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d775841e4e4c8a29a73eef747d07dd36e2e8dd448a1fbaa1c01ce4b04905622", kill_on_drop: false }`
[INFO] [stdout] 5d775841e4e4c8a29a73eef747d07dd36e2e8dd448a1fbaa1c01ce4b04905622
[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" "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] f4fb5da41d37f434a3f96967a0a6cb65c4f3df930ac9df2802bbff4ad674e2ef
[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" "f4fb5da41d37f434a3f96967a0a6cb65c4f3df930ac9df2802bbff4ad674e2ef", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tw.rs:305:39
[INFO] [stderr]     |
[INFO] [stderr] 305 |     assert_eq!(2, compute_max_suf_pos((b"aab")));
[INFO] [stderr]     |                                       ^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tw.rs:307:39
[INFO] [stderr]     |
[INFO] [stderr] 307 |     assert_eq!(2, compute_max_suf_pos((b"aabaa")));
[INFO] [stderr]     |                                       ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tw.rs:309:39
[INFO] [stderr]     |
[INFO] [stderr] 309 |     assert_eq!(0, compute_max_suf_pos((b"gcagagag")));
[INFO] [stderr]     |                                       ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tw.rs:310:39
[INFO] [stderr]     |
[INFO] [stderr] 310 |     assert_eq!(2, compute_max_suf_pos((b"banana")));
[INFO] [stderr]     |                                       ^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tw.rs:315:42
[INFO] [stderr]     |
[INFO] [stderr] 315 |     assert_eq!((2, 1), maxsuf_and_period((b"aab")));
[INFO] [stderr]     |                                          ^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tw.rs:316:42
[INFO] [stderr]     |
[INFO] [stderr] 316 |     assert_eq!((2, 3), maxsuf_and_period((b"aabaa")));
[INFO] [stderr]     |                                          ^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/tw.rs:317:42
[INFO] [stderr]     |
[INFO] [stderr] 317 |     assert_eq!((0, 7), maxsuf_and_period((b"gcagagag")));
[INFO] [stderr]     |                                          ^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/subslice-85243e3bb6d1429d
[INFO] [stdout] running 8 tests
[INFO] [stdout] test maximal_suffix ... ok
[INFO] [stdout] test bmh::bmh_preprocess ... ok
[INFO] [stdout] test tw::test_find ... ok
[INFO] [stdout] test tw::test_max ... ok
[INFO] [stdout] test bmh::bmh_find ... ok
[INFO] [stdout] test tw::test_max_suf_pos ... ok
[INFO] [stdout] test maximal_suffix_verbose ... ok
[INFO] [stdout] test tw::test_maxsuf_and_period ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/quick-65ec5bd149d31dec
[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] [stderr]    Doc-tests subslice
[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" "f4fb5da41d37f434a3f96967a0a6cb65c4f3df930ac9df2802bbff4ad674e2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4fb5da41d37f434a3f96967a0a6cb65c4f3df930ac9df2802bbff4ad674e2ef", kill_on_drop: false }`
[INFO] [stdout] f4fb5da41d37f434a3f96967a0a6cb65c4f3df930ac9df2802bbff4ad674e2ef