[INFO] updating cached repository https://github.com/nikomatsakis/perf-focus [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7840f74fa34d6904a41c78a093de47096377837a [INFO] checking nikomatsakis/perf-focus against beta-2019-10-27 for pr-65897 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnikomatsakis%2Fperf-focus" "/workspace/builds/worker-4/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nikomatsakis/perf-focus on toolchain beta-2019-10-27 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/nikomatsakis/perf-focus [INFO] finished tweaking git repo https://github.com/nikomatsakis/perf-focus [INFO] tweaked toml for git repo https://github.com/nikomatsakis/perf-focus written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/nikomatsakis/perf-focus already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] c7c264e5303559e04ab8be6ae39a2a7a6287e36edaa013f8b77049c56eefe85e [INFO] running `"docker" "start" "-a" "c7c264e5303559e04ab8be6ae39a2a7a6287e36edaa013f8b77049c56eefe85e"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking fixedbitset v0.1.7 [INFO] [stderr] Checking ordermap v0.2.10 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking itertools v0.7.6 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking petgraph v0.4.5 [INFO] [stderr] Checking rusty-peg v0.4.0 [INFO] [stderr] Checking perf-focus v1.0.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:6:26 [INFO] [stderr] | [INFO] [stderr] 6 | let m = Matcher::new(RegexMatcher::new("b")); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:8:18 [INFO] [stderr] | [INFO] [stderr] 8 | assert_eq!(r.prefix, &[format!("a")]); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `suffix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:9:18 [INFO] [stderr] | [INFO] [stderr] 9 | assert_eq!(r.suffix, &[format!("c")]); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:18:30 [INFO] [stderr] | [INFO] [stderr] 18 | Matcher::new(RegexMatcher::new("b")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:19:30 [INFO] [stderr] | [INFO] [stderr] 19 | Matcher::new(RegexMatcher::new("c")))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:17:13 [INFO] [stderr] | [INFO] [stderr] 17 | / ThenMatcher::new( [INFO] [stderr] 18 | | Matcher::new(RegexMatcher::new("b")), [INFO] [stderr] 19 | | Matcher::new(RegexMatcher::new("c")))); [INFO] [stderr] | |_____________________________________________________^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:21:18 [INFO] [stderr] | [INFO] [stderr] 21 | assert_eq!(r.prefix, &[format!("a")]); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `suffix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:22:15 [INFO] [stderr] | [INFO] [stderr] 22 | assert!(r.suffix.is_empty()); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:31:30 [INFO] [stderr] | [INFO] [stderr] 31 | Matcher::new(RegexMatcher::new("a")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:32:30 [INFO] [stderr] | [INFO] [stderr] 32 | Matcher::new(RegexMatcher::new("c")))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | / ThenMatcher::new( [INFO] [stderr] 31 | | Matcher::new(RegexMatcher::new("a")), [INFO] [stderr] 32 | | Matcher::new(RegexMatcher::new("c")))); [INFO] [stderr] | |_____________________________________________________^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:41:30 [INFO] [stderr] | [INFO] [stderr] 41 | Matcher::new(RegexMatcher::new("a")), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:43:34 [INFO] [stderr] | [INFO] [stderr] 43 | Matcher::new(RegexMatcher::new("c")))))); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:42:30 [INFO] [stderr] | [INFO] [stderr] 42 | Matcher::new(SkipMatcher::new( [INFO] [stderr] | ______________________________^ [INFO] [stderr] 43 | | Matcher::new(RegexMatcher::new("c")))))); [INFO] [stderr] | |_________________________________________________________^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `matcher::Matcher: matcher::MatcherTrait` is not satisfied [INFO] [stderr] --> src/matcher/test.rs:40:13 [INFO] [stderr] | [INFO] [stderr] 40 | / ThenMatcher::new( [INFO] [stderr] 41 | | Matcher::new(RegexMatcher::new("a")), [INFO] [stderr] 42 | | Matcher::new(SkipMatcher::new( [INFO] [stderr] 43 | | Matcher::new(RegexMatcher::new("c")))))); [INFO] [stderr] | |___________________________________________________________^ the trait `matcher::MatcherTrait` is not implemented for `matcher::Matcher` [INFO] [stderr] | [INFO] [stderr] ::: src/matcher/mod.rs:75:8 [INFO] [stderr] | [INFO] [stderr] 75 | fn new(m: M) -> Matcher { [INFO] [stderr] | --- ------------ required by this bound in `matcher::Matcher::new` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:46:24 [INFO] [stderr] | [INFO] [stderr] 46 | .unwrap().prefix.len() == 0); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:49:24 [INFO] [stderr] | [INFO] [stderr] 49 | .unwrap().prefix.len() == 1); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:52:24 [INFO] [stderr] | [INFO] [stderr] 52 | .unwrap().prefix.len() == 1); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:60:24 [INFO] [stderr] | [INFO] [stderr] 60 | .unwrap().prefix.len() == 0); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:63:24 [INFO] [stderr] | [INFO] [stderr] 63 | .unwrap().prefix.len() == 1); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:66:24 [INFO] [stderr] | [INFO] [stderr] 66 | .unwrap().prefix.len() == 1); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0609]: no field `prefix` on type `matcher::SearchResult` [INFO] [stderr] --> src/matcher/test.rs:77:24 [INFO] [stderr] | [INFO] [stderr] 77 | .unwrap().prefix.len() == 0); [INFO] [stderr] | ^^^^^^ unknown field [INFO] [stderr] | [INFO] [stderr] = note: available fields are: `first_matching_frame`, `first_callee_frame` [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/trace/test.rs:8:16 [INFO] [stderr] | [INFO] [stderr] 8 | each_trace(cursor, |frames| { [INFO] [stderr] | ^^^^^^ expected bool, found struct `std::io::Cursor` [INFO] [stderr] | [INFO] [stderr] = note: expected type `bool` [INFO] [stderr] found type `std::io::Cursor<&[u8]>` [INFO] [stderr] [INFO] [stderr] error[E0599]: no method named `len` found for type `trace::TraceArgs<'_>` in the current scope [INFO] [stderr] --> src/trace/test.rs:9:34 [INFO] [stderr] | [INFO] [stderr] 9 | frame_counts.push(frames.len()); [INFO] [stderr] | ^^^ method not found in `trace::TraceArgs<'_>` [INFO] [stderr] | [INFO] [stderr] ::: src/trace/mod.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub struct TraceArgs<'a> { [INFO] [stderr] | ------------------------ method `len` not found for this [INFO] [stderr] | [INFO] [stderr] = help: items from traits can only be used if the trait is implemented and in scope [INFO] [stderr] = note: the following traits define an item `len`, perhaps you need to implement one of them: [INFO] [stderr] candidate #1: `std::iter::ExactSizeIterator` [INFO] [stderr] candidate #2: `regex::internal::Input` [INFO] [stderr] candidate #3: `aho_corasick::autiter::Automaton` [INFO] [stderr] [INFO] [stderr] error: aborting due to 24 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0599, E0609. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: could not compile `perf-focus`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "c7c264e5303559e04ab8be6ae39a2a7a6287e36edaa013f8b77049c56eefe85e"` [INFO] running `"docker" "rm" "-f" "c7c264e5303559e04ab8be6ae39a2a7a6287e36edaa013f8b77049c56eefe85e"` [INFO] [stdout] c7c264e5303559e04ab8be6ae39a2a7a6287e36edaa013f8b77049c56eefe85e