[INFO] fetching crate skew-forest 0.1.0... [INFO] testing skew-forest-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-8 [INFO] extracting crate skew-forest 0.1.0 into /workspace/builds/worker-0-tc1/source [INFO] started tweaking crates.io crate skew-forest 0.1.0 [INFO] finished tweaking crates.io crate skew-forest 0.1.0 [INFO] tweaked toml for crates.io crate skew-forest 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate skew-forest 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding arrayvec v0.5.2 (available: v0.7.6) [INFO] [stderr] Adding fixedbitset v0.2.0 (available: v0.5.7) [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 debug-tag v0.1.0 [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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8999ae85c6aab23ad9d0747601580891c34f6b7f2cc7059504991bcec3a85446 [INFO] running `Command { std: "docker" "start" "-a" "8999ae85c6aab23ad9d0747601580891c34f6b7f2cc7059504991bcec3a85446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8999ae85c6aab23ad9d0747601580891c34f6b7f2cc7059504991bcec3a85446", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8999ae85c6aab23ad9d0747601580891c34f6b7f2cc7059504991bcec3a85446", kill_on_drop: false }` [INFO] [stdout] 8999ae85c6aab23ad9d0747601580891c34f6b7f2cc7059504991bcec3a85446 [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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 176d756ed3d47382026d496c1ffccf545e8732ead278ab5f1632c29ab5b6e464 [INFO] running `Command { std: "docker" "start" "-a" "176d756ed3d47382026d496c1ffccf545e8732ead278ab5f1632c29ab5b6e464", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.5.2 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling debug-tag v0.1.0 [INFO] [stderr] Compiling skew-forest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/forest.rs:493:15 [INFO] [stdout] | [INFO] [stdout] 493 | pub fn gc(&mut self) -> Gc { [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] 493 | pub fn gc(&mut self) -> Gc<'_, Idx> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s [INFO] running `Command { std: "docker" "inspect" "176d756ed3d47382026d496c1ffccf545e8732ead278ab5f1632c29ab5b6e464", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "176d756ed3d47382026d496c1ffccf545e8732ead278ab5f1632c29ab5b6e464", kill_on_drop: false }` [INFO] [stdout] 176d756ed3d47382026d496c1ffccf545e8732ead278ab5f1632c29ab5b6e464 [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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1938e94d5a4c6bd1422d9578e0f10f0c33a7072b2cc4904f2209f469416d60c4 [INFO] running `Command { std: "docker" "start" "-a" "1938e94d5a4c6bd1422d9578e0f10f0c33a7072b2cc4904f2209f469416d60c4", kill_on_drop: false }` [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/forest.rs:493:15 [INFO] [stdout] | [INFO] [stdout] 493 | pub fn gc(&mut self) -> Gc { [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] 493 | pub fn gc(&mut self) -> Gc<'_, Idx> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling skew-forest v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/forest.rs:493:15 [INFO] [stdout] | [INFO] [stdout] 493 | pub fn gc(&mut self) -> Gc { [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] 493 | pub fn gc(&mut self) -> Gc<'_, Idx> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s [INFO] running `Command { std: "docker" "inspect" "1938e94d5a4c6bd1422d9578e0f10f0c33a7072b2cc4904f2209f469416d60c4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1938e94d5a4c6bd1422d9578e0f10f0c33a7072b2cc4904f2209f469416d60c4", kill_on_drop: false }` [INFO] [stdout] 1938e94d5a4c6bd1422d9578e0f10f0c33a7072b2cc4904f2209f469416d60c4 [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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8006e4a7b6d6212dd9ae47bf3264cd2697d54e903d25f69db8211b5fa8934cd3 [INFO] running `Command { std: "docker" "start" "-a" "8006e4a7b6d6212dd9ae47bf3264cd2697d54e903d25f69db8211b5fa8934cd3", kill_on_drop: false }` [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/forest.rs:493:15 [INFO] [stderr] | [INFO] [stderr] 493 | pub fn gc(&mut self) -> Gc { [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] 493 | pub fn gc(&mut self) -> Gc<'_, Idx> { [INFO] [stderr] | +++ [INFO] [stderr] [INFO] [stderr] warning: `skew-forest` (lib) generated 1 warning (run `cargo fix --lib -p skew-forest` to apply 1 suggestion) [INFO] [stderr] warning: `skew-forest` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/skew_forest-d24b56e6832de376) [INFO] [stdout] [INFO] [stdout] running 6 tests [INFO] [stdout] test forest::test::iter_rev ... ok [INFO] [stdout] test forest::test::get ... ok [INFO] [stdout] test forest::test::iter ... ok [INFO] [stdout] test forest::test::gc ... ok [INFO] [stdout] test forest::test::truncate ... ok [INFO] [stdout] test forest::test::ancestors ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s [INFO] [stdout] [INFO] [stderr] Doc-tests skew_forest [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test src/forest.rs - forest::Gc (line 591) ... ok [INFO] [stdout] test src/map.rs - map::SkewMap::synchronize (line 57) ... ok [INFO] [stdout] test src/forest.rs - forest::SkewForest (line 72) ... ok [INFO] [stdout] test src/lib.rs - (line 45) ... ok [INFO] [stdout] test src/map.rs - map::SkewMap (line 14) ... ok [INFO] [stdout] test src/forest.rs - forest::SkewForest::ancestors (line 419) ... ok [INFO] [stdout] test src/forest.rs - forest::SkewForest::truncate (line 310) ... ok [INFO] [stdout] test src/map.rs - map::SkewMap::push (line 98) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.47s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8006e4a7b6d6212dd9ae47bf3264cd2697d54e903d25f69db8211b5fa8934cd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8006e4a7b6d6212dd9ae47bf3264cd2697d54e903d25f69db8211b5fa8934cd3", kill_on_drop: false }` [INFO] [stdout] 8006e4a7b6d6212dd9ae47bf3264cd2697d54e903d25f69db8211b5fa8934cd3