[INFO] fetching crate rmrfrs-lib 0.8.8... [INFO] testing rmrfrs-lib-0.8.8 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate rmrfrs-lib 0.8.8 into /workspace/builds/worker-1-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-1-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate rmrfrs-lib 0.8.8 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded globset v0.4.15 [INFO] [stderr] Downloaded syn v2.0.40 [INFO] [stderr] Downloaded bstr v1.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2c69e7946d52661a7d0cd28dcaf0e1381832d7a838c7b4346024503a7054b409 [INFO] running `Command { std: "docker" "start" "-a" "2c69e7946d52661a7d0cd28dcaf0e1381832d7a838c7b4346024503a7054b409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2c69e7946d52661a7d0cd28dcaf0e1381832d7a838c7b4346024503a7054b409", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2c69e7946d52661a7d0cd28dcaf0e1381832d7a838c7b4346024503a7054b409", kill_on_drop: false }` [INFO] [stdout] 2c69e7946d52661a7d0cd28dcaf0e1381832d7a838c7b4346024503a7054b409 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ea384902112fa6aac1dbcf5f16829fe2c075d7ebc3c4be9cc689b23fadb03dc5 [INFO] running `Command { std: "docker" "start" "-a" "ea384902112fa6aac1dbcf5f16829fe2c075d7ebc3c4be9cc689b23fadb03dc5", kill_on_drop: false }` [INFO] [stderr] Compiling memoffset v0.9.0 [INFO] [stderr] Compiling memchr v2.6.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.16 [INFO] [stderr] Compiling crossbeam-epoch v0.9.15 [INFO] [stderr] Compiling regex-syntax v0.8.2 [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 8.37s [INFO] running `Command { std: "docker" "inspect" "ea384902112fa6aac1dbcf5f16829fe2c075d7ebc3c4be9cc689b23fadb03dc5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea384902112fa6aac1dbcf5f16829fe2c075d7ebc3c4be9cc689b23fadb03dc5", kill_on_drop: false }` [INFO] [stdout] ea384902112fa6aac1dbcf5f16829fe2c075d7ebc3c4be9cc689b23fadb03dc5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6bb6cb8c558fd062c6e8cc881cdd09772cc3458e25375f6163b376e554137605 [INFO] running `Command { std: "docker" "start" "-a" "6bb6cb8c558fd062c6e8cc881cdd09772cc3458e25375f6163b376e554137605", 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 0.40s [INFO] running `Command { std: "docker" "inspect" "6bb6cb8c558fd062c6e8cc881cdd09772cc3458e25375f6163b376e554137605", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bb6cb8c558fd062c6e8cc881cdd09772cc3458e25375f6163b376e554137605", kill_on_drop: false }` [INFO] [stdout] 6bb6cb8c558fd062c6e8cc881cdd09772cc3458e25375f6163b376e554137605 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f92c96f49999378c29a3511b7a6e35c6d8f5877e22ad99ce615cf2969ec9be1e [INFO] running `Command { std: "docker" "start" "-a" "f92c96f49999378c29a3511b7a6e35c6d8f5877e22ad99ce615cf2969ec9be1e", 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 0.05s [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" "f92c96f49999378c29a3511b7a6e35c6d8f5877e22ad99ce615cf2969ec9be1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f92c96f49999378c29a3511b7a6e35c6d8f5877e22ad99ce615cf2969ec9be1e", kill_on_drop: false }` [INFO] [stdout] f92c96f49999378c29a3511b7a6e35c6d8f5877e22ad99ce615cf2969ec9be1e