[INFO] fetching crate fnr 0.1.0...
[INFO] checking fnr-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate fnr 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate fnr 0.1.0
[INFO] finished tweaking crates.io crate fnr 0.1.0
[INFO] tweaked toml for crates.io crate fnr 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate fnr 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fnr 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2613797efa24965f3f7d57ac0980473130fcf399562f7c21b2f512f8487f8c45
[INFO] running `Command { std: "docker" "start" "-a" "2613797efa24965f3f7d57ac0980473130fcf399562f7c21b2f512f8487f8c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2613797efa24965f3f7d57ac0980473130fcf399562f7c21b2f512f8487f8c45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2613797efa24965f3f7d57ac0980473130fcf399562f7c21b2f512f8487f8c45", kill_on_drop: false }`
[INFO] [stdout] 2613797efa24965f3f7d57ac0980473130fcf399562f7c21b2f512f8487f8c45
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebbda3a7570d703e38abdefd193432022ea1d1f6d0d88881fc33f299a512e4d2
[INFO] running `Command { std: "docker" "start" "-a" "ebbda3a7570d703e38abdefd193432022ea1d1f6d0d88881fc33f299a512e4d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking termtree v0.2.3
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking text_io v0.1.9
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates-tree v1.0.4
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking grep-matcher v0.1.5
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking memmap2 v0.3.1
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking grep-searcher v0.1.8
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking predicates v2.1.0
[INFO] [stderr]     Checking assert_cmd v1.0.8
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking grep-regex v0.1.9
[INFO] [stderr]     Checking grep-cli v0.1.6
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.25
[INFO] [stderr]     Checking grep-printer v0.1.6
[INFO] [stderr]     Checking grep v0.2.8
[INFO] [stderr]     Checking fnr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn search_timer(&self) -> StatSearchTimer {
[INFO] [stdout]    |                     ^^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn search_timer(&self) -> StatSearchTimer<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:295:16
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn pattern(&self) -> Cow<str> {
[INFO] [stdout]     |                ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn pattern(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:314:21
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn search_paths(&self) -> Result<Cow<[PathBuf]>> {
[INFO] [stdout]     |                     ^^^^^            -------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn search_paths(&self) -> Result<Cow<'_, [PathBuf]>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/main.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn search_timer(&self) -> StatSearchTimer {
[INFO] [stdout]    |                     ^^^^^     --------------- the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 86 |     fn search_timer(&self) -> StatSearchTimer<'_> {
[INFO] [stdout]    |                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:295:16
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn pattern(&self) -> Cow<str> {
[INFO] [stdout]     |                ^^^^^     -------- the same lifetime is hidden here
[INFO] [stdout]     |                |
[INFO] [stdout]     |                the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 295 |     fn pattern(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/main.rs:314:21
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn search_paths(&self) -> Result<Cow<[PathBuf]>> {
[INFO] [stdout]     |                     ^^^^^            -------------- the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn search_paths(&self) -> Result<Cow<'_, [PathBuf]>> {
[INFO] [stdout]     |                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.24s
[INFO] running `Command { std: "docker" "inspect" "ebbda3a7570d703e38abdefd193432022ea1d1f6d0d88881fc33f299a512e4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbda3a7570d703e38abdefd193432022ea1d1f6d0d88881fc33f299a512e4d2", kill_on_drop: false }`
[INFO] [stdout] ebbda3a7570d703e38abdefd193432022ea1d1f6d0d88881fc33f299a512e4d2