[INFO] fetching crate rex-regex 0.1.3...
[INFO] checking rex-regex-0.1.3 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate rex-regex 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rex-regex 0.1.3 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rex-regex 0.1.3
[INFO] finished tweaking crates.io crate rex-regex 0.1.3
[INFO] tweaked toml for crates.io crate rex-regex 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 474fd48d8c514ee005969ca33f73d52a2d0a51035825855db4ab0d66f93629f8
[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" "474fd48d8c514ee005969ca33f73d52a2d0a51035825855db4ab0d66f93629f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "474fd48d8c514ee005969ca33f73d52a2d0a51035825855db4ab0d66f93629f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "474fd48d8c514ee005969ca33f73d52a2d0a51035825855db4ab0d66f93629f8", kill_on_drop: false }`
[INFO] [stdout] 474fd48d8c514ee005969ca33f73d52a2d0a51035825855db4ab0d66f93629f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0c42f3d10d858a8188d7231cbb9ba25cf66ab91788428a6164cc998ebd4a961d
[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" "0c42f3d10d858a8188d7231cbb9ba25cf66ab91788428a6164cc998ebd4a961d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking rex-regex v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/e2e.rs:10:13
[INFO] [stdout]    |
[INFO] [stdout] 10 |             rex::match_re_str("^(Hello)? [Ww]orld!?$", "Hello world")
[INFO] [stdout]    |             ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/e2e.rs:18:14
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let re = rex::compile("^(Hello)? [Ww]orld!?$").unwrap();
[INFO] [stdout]    |              ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/e2e.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         assert!(rex::match_re(&re, "Hello world").0);
[INFO] [stdout]    |                 ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/e2e.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let re = rex::compile("^Hello world$").unwrap();
[INFO] [stdout]    |              ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/e2e.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 |         assert!(rex::match_re(&re, "Hello world").0);
[INFO] [stdout]    |                 ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/e2e.rs:32:14
[INFO] [stdout]    |
[INFO] [stdout] 32 |     let re = rex::compile("(x+x+)+y").unwrap();
[INFO] [stdout]    |              ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/e2e.rs:34:17
[INFO] [stdout]    |
[INFO] [stdout] 34 |         assert!(rex::match_re(&re, "xxxxxxxxxxy").0);
[INFO] [stdout]    |                 ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]  --> benches/profile.rs:3:14
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let re = rex::compile(re_s).unwrap();
[INFO] [stdout]   |              ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/profile.rs:11:20
[INFO] [stdout]    |
[INFO] [stdout] 11 |     println!("{}", rex::render_graph(re_s));
[INFO] [stdout]    |                    ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `rex`
[INFO] [stdout]   --> benches/profile.rs:13:17
[INFO] [stdout]    |
[INFO] [stdout] 13 |         assert!(rex::match_re(&re, inputs[i % size]).0);
[INFO] [stdout]    |                 ^^^ use of undeclared crate or module `rex`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rex-regex`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0c42f3d10d858a8188d7231cbb9ba25cf66ab91788428a6164cc998ebd4a961d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c42f3d10d858a8188d7231cbb9ba25cf66ab91788428a6164cc998ebd4a961d", kill_on_drop: false }`
[INFO] [stdout] 0c42f3d10d858a8188d7231cbb9ba25cf66ab91788428a6164cc998ebd4a961d