[INFO] fetching crate servo_arc 0.4.1... [INFO] testing servo_arc-0.4.1 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145330-1 [INFO] extracting crate servo_arc 0.4.1 into /workspace/builds/worker-6-tc1/source [INFO] started tweaking crates.io crate servo_arc 0.4.1 [INFO] finished tweaking crates.io crate servo_arc 0.4.1 [INFO] tweaked toml for crates.io crate servo_arc 0.4.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate servo_arc 0.4.1 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate servo_arc 0.4.1 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 848bd30586d0d0c75c034ee51e1a67aeffe65008978bea486271ce3d34ac7f97 [INFO] running `Command { std: "docker" "start" "-a" "848bd30586d0d0c75c034ee51e1a67aeffe65008978bea486271ce3d34ac7f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "848bd30586d0d0c75c034ee51e1a67aeffe65008978bea486271ce3d34ac7f97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "848bd30586d0d0c75c034ee51e1a67aeffe65008978bea486271ce3d34ac7f97", kill_on_drop: false }` [INFO] [stdout] 848bd30586d0d0c75c034ee51e1a67aeffe65008978bea486271ce3d34ac7f97 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4a6cb5ebc75c4c729139f165c01523cbc51fbcaaaf74361ec02c1d16e937b84a [INFO] running `Command { std: "docker" "start" "-a" "4a6cb5ebc75c4c729139f165c01523cbc51fbcaaaf74361ec02c1d16e937b84a", kill_on_drop: false }` [INFO] [stderr] Compiling stable_deref_trait v1.2.0 [INFO] [stderr] Compiling servo_arc v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1063:19 [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [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] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1100:21 [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [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] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1108:22 [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [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] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s [INFO] running `Command { std: "docker" "inspect" "4a6cb5ebc75c4c729139f165c01523cbc51fbcaaaf74361ec02c1d16e937b84a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4a6cb5ebc75c4c729139f165c01523cbc51fbcaaaf74361ec02c1d16e937b84a", kill_on_drop: false }` [INFO] [stdout] 4a6cb5ebc75c4c729139f165c01523cbc51fbcaaaf74361ec02c1d16e937b84a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 08af530e03329c2ed11b89c39ec44217f16067db60cca23149d68b7d307c8516 [INFO] running `Command { std: "docker" "start" "-a" "08af530e03329c2ed11b89c39ec44217f16067db60cca23149d68b7d307c8516", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1063:19 [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [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] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1100:21 [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [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] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1108:22 [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [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] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling servo_arc v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1063:19 [INFO] [stdout] | [INFO] [stdout] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [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] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1100:21 [INFO] [stdout] | [INFO] [stdout] 1100 | pub fn as_first(&self) -> Option> { [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] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> lib.rs:1108:22 [INFO] [stdout] | [INFO] [stdout] 1108 | pub fn as_second(&self) -> Option> { [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] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "08af530e03329c2ed11b89c39ec44217f16067db60cca23149d68b7d307c8516", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "08af530e03329c2ed11b89c39ec44217f16067db60cca23149d68b7d307c8516", kill_on_drop: false }` [INFO] [stdout] 08af530e03329c2ed11b89c39ec44217f16067db60cca23149d68b7d307c8516 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7104fd21117073fdc1c9133d34cd6385ea4007f421d61d67152730aed3bd5db0 [INFO] running `Command { std: "docker" "start" "-a" "7104fd21117073fdc1c9133d34cd6385ea4007f421d61d67152730aed3bd5db0", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib.rs:1063:19 [INFO] [stderr] | [INFO] [stderr] 1063 | pub fn borrow(&self) -> ArcUnionBorrow { [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] 1063 | pub fn borrow(&self) -> ArcUnionBorrow<'_, A, B> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib.rs:1100:21 [INFO] [stderr] | [INFO] [stderr] 1100 | pub fn as_first(&self) -> Option> { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 1100 | pub fn as_first(&self) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> lib.rs:1108:22 [INFO] [stderr] | [INFO] [stderr] 1108 | pub fn as_second(&self) -> Option> { [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] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 1108 | pub fn as_second(&self) -> Option> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `servo_arc` (lib) generated 3 warnings (run `cargo fix --lib -p servo_arc` to apply 3 suggestions) [INFO] [stderr] warning: `servo_arc` (lib test) generated 3 warnings (3 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests lib.rs (/opt/rustwide/target/debug/deps/servo_arc-b8bed277c0f39832) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::empty_thin ... ok [INFO] [stdout] test tests::slices_and_thin ... ok [INFO] [stdout] test tests::thin_assert_padding ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests servo_arc [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test lib.rs - UniqueArc (line 93) ... ignored [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "7104fd21117073fdc1c9133d34cd6385ea4007f421d61d67152730aed3bd5db0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7104fd21117073fdc1c9133d34cd6385ea4007f421d61d67152730aed3bd5db0", kill_on_drop: false }` [INFO] [stdout] 7104fd21117073fdc1c9133d34cd6385ea4007f421d61d67152730aed3bd5db0