[INFO] fetching crate spelling_corrector 0.2.3...
[INFO] testing spelling_corrector-0.2.3 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate spelling_corrector 0.2.3 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate spelling_corrector 0.2.3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spelling_corrector 0.2.3
[INFO] finished tweaking crates.io crate spelling_corrector 0.2.3
[INFO] tweaked toml for crates.io crate spelling_corrector 0.2.3 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate spelling_corrector 0.2.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 957c0032c4975cb04fba44e1ff5e284b1daea37f506b8b0fb0e28687d9a302a0
[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" "957c0032c4975cb04fba44e1ff5e284b1daea37f506b8b0fb0e28687d9a302a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957c0032c4975cb04fba44e1ff5e284b1daea37f506b8b0fb0e28687d9a302a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957c0032c4975cb04fba44e1ff5e284b1daea37f506b8b0fb0e28687d9a302a0", kill_on_drop: false }`
[INFO] [stdout] 957c0032c4975cb04fba44e1ff5e284b1daea37f506b8b0fb0e28687d9a302a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb1c86f3d94d0722baf175cd47e1ac6859c0f6b9dc0902e27d13005e1b10aa1f
[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" "eb1c86f3d94d0722baf175cd47e1ac6859c0f6b9dc0902e27d13005e1b10aa1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.7
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling cc v1.0.49
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling same-file v1.0.5
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]    Compiling termcolor v1.0.5
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling bstr v0.2.8
[INFO] [stderr]    Compiling walkdir v2.2.9
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling globset v0.4.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling generator v0.6.19
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling ignore v0.4.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling env_logger v0.5.13
[INFO] [stderr]    Compiling globwalk v0.3.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling rayon v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling syn-mid v0.4.0
[INFO] [stderr]    Compiling rustversion v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling proc-macro-error v0.4.4
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.3
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling clap-verbosity-flag v0.2.0
[INFO] [stderr]    Compiling exitfailure v0.5.1
[INFO] [stderr]    Compiling structopt-derive v0.4.0
[INFO] [stderr]    Compiling structopt v0.3.7
[INFO] [stderr]    Compiling quicli v0.4.0
[INFO] [stderr]    Compiling spelling_corrector v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/corrector.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/corrector.rs:135:37
[INFO] [stdout]     |
[INFO] [stdout] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/corrector.rs:136:20
[INFO] [stdout]     |
[INFO] [stdout] 136 |             .map(|(p, w)| w)
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "eb1c86f3d94d0722baf175cd47e1ac6859c0f6b9dc0902e27d13005e1b10aa1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb1c86f3d94d0722baf175cd47e1ac6859c0f6b9dc0902e27d13005e1b10aa1f", kill_on_drop: false }`
[INFO] [stdout] eb1c86f3d94d0722baf175cd47e1ac6859c0f6b9dc0902e27d13005e1b10aa1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 033d761528543f865450aadf4ec4808a74fb343f9e5dfb12fc622e598db476dc
[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" "033d761528543f865450aadf4ec4808a74fb343f9e5dfb12fc622e598db476dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling spelling_corrector v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/corrector.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/corrector.rs:135:37
[INFO] [stdout]     |
[INFO] [stdout] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/corrector.rs:136:20
[INFO] [stdout]     |
[INFO] [stdout] 136 |             .map(|(p, w)| w)
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w1`
[INFO] [stdout]    --> src/corrector.rs:135:27
[INFO] [stdout]     |
[INFO] [stdout] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stdout]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w2`
[INFO] [stdout]    --> src/corrector.rs:135:37
[INFO] [stdout]     |
[INFO] [stdout] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stdout]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]    --> src/corrector.rs:136:20
[INFO] [stdout]     |
[INFO] [stdout] 136 |             .map(|(p, w)| w)
[INFO] [stdout]     |                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "033d761528543f865450aadf4ec4808a74fb343f9e5dfb12fc622e598db476dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "033d761528543f865450aadf4ec4808a74fb343f9e5dfb12fc622e598db476dc", kill_on_drop: false }`
[INFO] [stdout] 033d761528543f865450aadf4ec4808a74fb343f9e5dfb12fc622e598db476dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "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] 4fcbecc4a65f15e59e9a80e3c0af610cc7949a30e791d5de079132df2060e60b
[INFO] running `Command { std: "docker" "start" "-a" "4fcbecc4a65f15e59e9a80e3c0af610cc7949a30e791d5de079132df2060e60b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `w1`
[INFO] [stderr]    --> src/corrector.rs:135:27
[INFO] [stderr]     |
[INFO] [stderr] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stderr]     |                           ^^ help: if this is intentional, prefix it with an underscore: `_w1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w2`
[INFO] [stderr]    --> src/corrector.rs:135:37
[INFO] [stderr]     |
[INFO] [stderr] 135 |             .max_by(|(p1, w1), (p2, w2)| p1.partial_cmp(p2).expect("Tried to compare NAN"))
[INFO] [stderr]     |                                     ^^ help: if this is intentional, prefix it with an underscore: `_w2`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]    --> src/corrector.rs:136:20
[INFO] [stderr]     |
[INFO] [stderr] 136 |             .map(|(p, w)| w)
[INFO] [stderr]     |                    ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: `spelling_corrector` (lib) generated 3 warnings
[INFO] [stderr] warning: `spelling_corrector` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `spelling_corrector` (bin "spelling_corrector" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spelling_corrector-a953a46eb47e1f12)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test corrector::tests::test_corrector_on_valid_word ... ok
[INFO] [stdout] test corrector::tests::test_word_prob ... ok
[INFO] [stdout] test corrector::tests::test_word_split ... ok
[INFO] [stdout] test corrector::tests::test_corrector_on_invalid_word ... ok
[INFO] [stdout] test test_corrector ... ok
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/spelling_corrector-845425b365f6e00e)
[INFO] [stdout] test corrector::tests::test_corrector_with_actual_dataset ... ok
[INFO] [stderr]    Doc-tests spelling_corrector
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 13.86s
[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; finished in 0.00s
[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; finished in 11.38s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fcbecc4a65f15e59e9a80e3c0af610cc7949a30e791d5de079132df2060e60b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fcbecc4a65f15e59e9a80e3c0af610cc7949a30e791d5de079132df2060e60b", kill_on_drop: false }`
[INFO] [stdout] 4fcbecc4a65f15e59e9a80e3c0af610cc7949a30e791d5de079132df2060e60b