[INFO] fetching crate fnr 0.1.0... [INFO] checking fnr-0.1.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577 [INFO] extracting crate fnr 0.1.0 into /workspace/builds/worker-0-tc1/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-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate fnr 0.1.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded grep-searcher v0.1.8 [INFO] [stderr] Downloaded grep-regex v0.1.9 [INFO] [stderr] Downloaded encoding_rs_io v0.1.7 [INFO] [stderr] Downloaded termtree v0.2.3 [INFO] [stderr] Downloaded predicates v2.1.0 [INFO] [stderr] Downloaded anyhow v1.0.51 [INFO] [stderr] Downloaded assert_cmd v1.0.8 [INFO] [stderr] Downloaded serde_derive v1.0.130 [INFO] [stderr] Downloaded predicates-tree v1.0.4 [INFO] [stderr] Downloaded ryu v1.0.6 [INFO] [stderr] Downloaded grep-printer v0.1.6 [INFO] [stderr] Downloaded grep-matcher v0.1.5 [INFO] [stderr] Downloaded grep-cli v0.1.6 [INFO] [stderr] Downloaded grep v0.2.8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30879de36c4697e574d8044cbf0591622440c0d30b09e611f9817311a5461c8c [INFO] running `Command { std: "docker" "start" "-a" "30879de36c4697e574d8044cbf0591622440c0d30b09e611f9817311a5461c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30879de36c4697e574d8044cbf0591622440c0d30b09e611f9817311a5461c8c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30879de36c4697e574d8044cbf0591622440c0d30b09e611f9817311a5461c8c", kill_on_drop: false }` [INFO] [stdout] 30879de36c4697e574d8044cbf0591622440c0d30b09e611f9817311a5461c8c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] eb1ea3561a4ffd418422d396c64412a3385988eaf57ff096de77b758623cb87b [INFO] running `Command { std: "docker" "start" "-a" "eb1ea3561a4ffd418422d396c64412a3385988eaf57ff096de77b758623cb87b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling encoding_rs v0.8.29 [INFO] [stderr] Compiling ryu v1.0.6 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking grep-matcher v0.1.5 [INFO] [stderr] Checking bytecount v0.6.2 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Checking predicates-core v1.0.2 [INFO] [stderr] Compiling anyhow v1.0.51 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling doc-comment v0.3.3 [INFO] [stderr] Checking difflib v0.4.0 [INFO] [stderr] Checking termtree v0.2.3 [INFO] [stderr] Checking text_io v0.1.9 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking predicates-tree v1.0.4 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking memmap2 v0.3.1 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking globset v0.4.8 [INFO] [stderr] Checking grep-regex v0.1.9 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking encoding_rs_io v0.1.7 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking grep-searcher v0.1.8 [INFO] [stderr] Checking predicates v2.1.0 [INFO] [stderr] Checking rand v0.8.4 [INFO] [stderr] Checking grep-cli v0.1.6 [INFO] [stderr] Checking ignore v0.4.18 [INFO] [stderr] Checking assert_cmd v1.0.8 [INFO] [stderr] Checking tempfile v3.2.0 [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 { [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> { [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> { [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 { [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> { [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> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.93s [INFO] running `Command { std: "docker" "inspect" "eb1ea3561a4ffd418422d396c64412a3385988eaf57ff096de77b758623cb87b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb1ea3561a4ffd418422d396c64412a3385988eaf57ff096de77b758623cb87b", kill_on_drop: false }` [INFO] [stdout] eb1ea3561a4ffd418422d396c64412a3385988eaf57ff096de77b758623cb87b