[INFO] fetching crate rmrfrs-lib 0.8.8... [INFO] testing rmrfrs-lib-0.8.8 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1 [INFO] extracting crate rmrfrs-lib 0.8.8 into /workspace/builds/worker-5-tc1/source [INFO] started tweaking crates.io crate rmrfrs-lib 0.8.8 [INFO] finished tweaking crates.io crate rmrfrs-lib 0.8.8 [INFO] tweaked toml for crates.io crate rmrfrs-lib 0.8.8 written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rmrfrs-lib 0.8.8 on toolchain caccb4d0368bd918ef6668af8e13834d07040417 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate rmrfrs-lib 0.8.8 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" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded winapi-util v0.1.6 [INFO] [stderr] Downloaded serde_derive v1.0.193 [INFO] [stderr] Downloaded regex-automata v0.4.3 [INFO] [stderr] Downloaded serde v1.0.193 [INFO] [stderr] Downloaded bstr v1.8.0 [INFO] [stderr] Downloaded syn v2.0.40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8caa7bfdf0728a46742676aa6c5a77b6b704d51c85b0d86be78fa7ee3fccfc9b [INFO] running `Command { std: "docker" "start" "-a" "8caa7bfdf0728a46742676aa6c5a77b6b704d51c85b0d86be78fa7ee3fccfc9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8caa7bfdf0728a46742676aa6c5a77b6b704d51c85b0d86be78fa7ee3fccfc9b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8caa7bfdf0728a46742676aa6c5a77b6b704d51c85b0d86be78fa7ee3fccfc9b", kill_on_drop: false }` [INFO] [stdout] 8caa7bfdf0728a46742676aa6c5a77b6b704d51c85b0d86be78fa7ee3fccfc9b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8df44440e9d5f7a10cd3f8f6260c6e6214b892dd419dd251f2867a2cd383233e [INFO] running `Command { std: "docker" "start" "-a" "8df44440e9d5f7a10cd3f8f6260c6e6214b892dd419dd251f2867a2cd383233e", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Compiling log v0.4.20 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling walkdir v2.5.0 [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling bstr v1.8.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.3 [INFO] [stderr] Compiling regex-automata v0.4.3 [INFO] [stderr] Compiling globset v0.4.15 [INFO] [stderr] Compiling ignore v0.4.23 [INFO] [stderr] Compiling rmrfrs-lib v0.8.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:166:17 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn name(&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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 166 | pub fn name(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.35s [INFO] running `Command { std: "docker" "inspect" "8df44440e9d5f7a10cd3f8f6260c6e6214b892dd419dd251f2867a2cd383233e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8df44440e9d5f7a10cd3f8f6260c6e6214b892dd419dd251f2867a2cd383233e", kill_on_drop: false }` [INFO] [stdout] 8df44440e9d5f7a10cd3f8f6260c6e6214b892dd419dd251f2867a2cd383233e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e0e5cbce3e0e16ba6b7a16ffc6e54feeacc0765bf1c805abd6fba6418be76917 [INFO] running `Command { std: "docker" "start" "-a" "e0e5cbce3e0e16ba6b7a16ffc6e54feeacc0765bf1c805abd6fba6418be76917", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:166:17 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn name(&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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 166 | pub fn name(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rmrfrs-lib v0.8.8 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:166:17 [INFO] [stdout] | [INFO] [stdout] 166 | pub fn name(&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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 166 | pub fn name(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s [INFO] running `Command { std: "docker" "inspect" "e0e5cbce3e0e16ba6b7a16ffc6e54feeacc0765bf1c805abd6fba6418be76917", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e0e5cbce3e0e16ba6b7a16ffc6e54feeacc0765bf1c805abd6fba6418be76917", kill_on_drop: false }` [INFO] [stdout] e0e5cbce3e0e16ba6b7a16ffc6e54feeacc0765bf1c805abd6fba6418be76917 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f15b0d66cc654264ed43042dd91b2666c559ca312e4116a69354b4d721c17fd5 [INFO] running `Command { std: "docker" "start" "-a" "f15b0d66cc654264ed43042dd91b2666c559ca312e4116a69354b4d721c17fd5", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/lib.rs:166:17 [INFO] [stderr] | [INFO] [stderr] 166 | pub fn name(&self) -> Cow { [INFO] [stderr] | ^^^^^ ^^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 166 | pub fn name(&self) -> Cow<'_, str> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `rmrfrs-lib` (lib) generated 1 warning (run `cargo fix --lib -p rmrfrs-lib` to apply 1 suggestion) [INFO] [stderr] warning: `rmrfrs-lib` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rmrfrs_lib-3cd1dfab60931b2b) [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::elapsed ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests rmrfrs_lib [INFO] [stdout] [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] running `Command { std: "docker" "inspect" "f15b0d66cc654264ed43042dd91b2666c559ca312e4116a69354b4d721c17fd5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f15b0d66cc654264ed43042dd91b2666c559ca312e4116a69354b4d721c17fd5", kill_on_drop: false }` [INFO] [stdout] f15b0d66cc654264ed43042dd91b2666c559ca312e4116a69354b4d721c17fd5