[INFO] fetching crate stable-pattern 0.1.0...
[INFO] testing stable-pattern-0.1.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate stable-pattern 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate stable-pattern 0.1.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stable-pattern 0.1.0
[INFO] finished tweaking crates.io crate stable-pattern 0.1.0
[INFO] tweaked toml for crates.io crate stable-pattern 0.1.0 written to /workspace/builds/worker-42/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7338eeaed210cc1f21da6eaab0221c23840fbfb570508f0b5c094fb5019e2cb2
[INFO] running `Command { std: "docker" "start" "-a" "7338eeaed210cc1f21da6eaab0221c23840fbfb570508f0b5c094fb5019e2cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7338eeaed210cc1f21da6eaab0221c23840fbfb570508f0b5c094fb5019e2cb2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7338eeaed210cc1f21da6eaab0221c23840fbfb570508f0b5c094fb5019e2cb2", kill_on_drop: false }`
[INFO] [stdout] 7338eeaed210cc1f21da6eaab0221c23840fbfb570508f0b5c094fb5019e2cb2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c5d80be050faab6275f36d092d2de91db75b1f572b9656b15951f8cfe201002
[INFO] running `Command { std: "docker" "start" "-a" "2c5d80be050faab6275f36d092d2de91db75b1f572b9656b15951f8cfe201002", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling stable-pattern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.48s
[INFO] running `Command { std: "docker" "inspect" "2c5d80be050faab6275f36d092d2de91db75b1f572b9656b15951f8cfe201002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5d80be050faab6275f36d092d2de91db75b1f572b9656b15951f8cfe201002", kill_on_drop: false }`
[INFO] [stdout] 2c5d80be050faab6275f36d092d2de91db75b1f572b9656b15951f8cfe201002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aebca47c2eed13c171a8b29de6c8e9246545c7f3e2f04a3732f414415d413ad3
[INFO] running `Command { std: "docker" "start" "-a" "aebca47c2eed13c171a8b29de6c8e9246545c7f3e2f04a3732f414415d413ad3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stable-pattern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.94s
[INFO] running `Command { std: "docker" "inspect" "aebca47c2eed13c171a8b29de6c8e9246545c7f3e2f04a3732f414415d413ad3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aebca47c2eed13c171a8b29de6c8e9246545c7f3e2f04a3732f414415d413ad3", kill_on_drop: false }`
[INFO] [stdout] aebca47c2eed13c171a8b29de6c8e9246545c7f3e2f04a3732f414415d413ad3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 38a9eabdb2a84d26ee90becabd40a68c6957f76b5b2065ec6dbbf601cadaa55b
[INFO] running `Command { std: "docker" "start" "-a" "38a9eabdb2a84d26ee90becabd40a68c6957f76b5b2065ec6dbbf601cadaa55b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.92s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/stable_pattern-77e0d4ffe922c8d0)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests stable-pattern
[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 12 tests
[INFO] [stdout] test src/split.rs - split::SplitTerminator::as_str (line 439) ... FAILED
[INFO] [stdout] test src/split.rs - split::RSplitN::as_str (line 575) ... FAILED
[INFO] [stdout] test src/split.rs - split::SplitN::as_str (line 556) ... FAILED
[INFO] [stdout] test src/split.rs - split::Split::as_str (line 385) ... FAILED
[INFO] [stdout] test src/split.rs - split::RSplit::as_str (line 404) ... FAILED
[INFO] [stdout] test src/split.rs - split::RSplitTerminator::as_str (line 458) ... FAILED
[INFO] [stdout] test src/pattern.rs - pattern::char (line 521) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::F (line 821) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::&'b str (line 852) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::Pattern (line 65) ... ok
[INFO] [stdout] test src/pattern.rs - pattern (line 18) ... ok
[INFO] [stdout] test src/pattern.rs - pattern::&'b [char] (line 772) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/split.rs - split::SplitTerminator::as_str (line 439) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:441:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(split.as_str(), "A..B..");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:443:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(split.as_str(), ".B..");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:445:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(split.as_str(), "");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/split.rs - split::RSplitN::as_str (line 575) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:577:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:579:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(split.as_str(), "Mary had a little");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:581:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(split.as_str(), "");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/split.rs - split::SplitN::as_str (line 556) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:558:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:560:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(split.as_str(), "had a little lamb");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:562:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(split.as_str(), "");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/split.rs - split::Split::as_str (line 385) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:387:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:389:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(split.as_str(), "had a little lamb");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:391:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(split.as_str(), "");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/split.rs - split::RSplit::as_str (line 404) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:406:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(split.as_str(), "Mary had a little lamb");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:408:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(split.as_str(), "Mary had a little");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:410:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(split.as_str(), "");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/split.rs - split::RSplitTerminator::as_str (line 458) stdout ----
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:460:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | assert_eq!(split.as_str(), "A..B..");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:462:18
[INFO] [stdout]   |
[INFO] [stdout] 6 | assert_eq!(split.as_str(), "A..B");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error[E0658]: use of unstable library feature 'str_split_as_str'
[INFO] [stdout]  --> src/split.rs:464:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | assert_eq!(split.as_str(), "");
[INFO] [stdout]   |                  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: see issue #77998 <https://github.com/rust-lang/rust/issues/77998> for more information
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0658`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/split.rs - split::RSplit::as_str (line 404)
[INFO] [stdout]     src/split.rs - split::RSplitN::as_str (line 575)
[INFO] [stdout]     src/split.rs - split::RSplitTerminator::as_str (line 458)
[INFO] [stdout]     src/split.rs - split::Split::as_str (line 385)
[INFO] [stdout]     src/split.rs - split::SplitN::as_str (line 556)
[INFO] [stdout]     src/split.rs - split::SplitTerminator::as_str (line 439)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 6 passed; 6 failed; 0 ignored; 0 measured; 0 filtered out; finished in 2.18s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "38a9eabdb2a84d26ee90becabd40a68c6957f76b5b2065ec6dbbf601cadaa55b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38a9eabdb2a84d26ee90becabd40a68c6957f76b5b2065ec6dbbf601cadaa55b", kill_on_drop: false }`
[INFO] [stdout] 38a9eabdb2a84d26ee90becabd40a68c6957f76b5b2065ec6dbbf601cadaa55b
