[INFO] fetching crate skew-forest 0.1.0... [INFO] testing skew-forest-0.1.0 against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] extracting crate skew-forest 0.1.0 into /workspace/builds/worker-7-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-7-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate skew-forest 0.1.0 on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] abc6afbccf481ac9d1c4852a1c02db39e8ad517f120c74c5a5c2ed396c2a3a16 [INFO] running `Command { std: "docker" "start" "-a" "abc6afbccf481ac9d1c4852a1c02db39e8ad517f120c74c5a5c2ed396c2a3a16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "abc6afbccf481ac9d1c4852a1c02db39e8ad517f120c74c5a5c2ed396c2a3a16", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "abc6afbccf481ac9d1c4852a1c02db39e8ad517f120c74c5a5c2ed396c2a3a16", kill_on_drop: false }` [INFO] [stdout] abc6afbccf481ac9d1c4852a1c02db39e8ad517f120c74c5a5c2ed396c2a3a16 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2f83ae99b32956ed6e1a70b0b96c6e3a993f2f9208262aa19c1f6b950f7b011b [INFO] running `Command { std: "docker" "start" "-a" "2f83ae99b32956ed6e1a70b0b96c6e3a993f2f9208262aa19c1f6b950f7b011b", kill_on_drop: false }` [INFO] [stderr] Compiling debug-tag v0.1.0 [INFO] [stderr] Compiling fixedbitset v0.2.0 [INFO] [stderr] Compiling arrayvec v0.5.2 [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 0.79s [INFO] running `Command { std: "docker" "inspect" "2f83ae99b32956ed6e1a70b0b96c6e3a993f2f9208262aa19c1f6b950f7b011b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2f83ae99b32956ed6e1a70b0b96c6e3a993f2f9208262aa19c1f6b950f7b011b", kill_on_drop: false }` [INFO] [stdout] 2f83ae99b32956ed6e1a70b0b96c6e3a993f2f9208262aa19c1f6b950f7b011b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bf0addd2c73099696ee6aa5ded482a0acab5735cea255ef04e1640dce781851 [INFO] running `Command { std: "docker" "start" "-a" "1bf0addd2c73099696ee6aa5ded482a0acab5735cea255ef04e1640dce781851", 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 0.51s [INFO] running `Command { std: "docker" "inspect" "1bf0addd2c73099696ee6aa5ded482a0acab5735cea255ef04e1640dce781851", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bf0addd2c73099696ee6aa5ded482a0acab5735cea255ef04e1640dce781851", kill_on_drop: false }` [INFO] [stdout] 1bf0addd2c73099696ee6aa5ded482a0acab5735cea255ef04e1640dce781851 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 3fc2efdf319ed2b7d6ce500c3cbbdfd1c97f50552c102547e9acf9bb40e9daaf [INFO] running `Command { std: "docker" "start" "-a" "3fc2efdf319ed2b7d6ce500c3cbbdfd1c97f50552c102547e9acf9bb40e9daaf", 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 0.04s [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::gc ... ok [INFO] [stdout] test forest::test::iter_rev ... ok [INFO] [stdout] test forest::test::get ... ok [INFO] [stdout] test forest::test::truncate ... ok [INFO] [stdout] test forest::test::iter ... 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 0.17s [INFO] [stdout] [INFO] [stderr] Doc-tests skew_forest [INFO] [stdout] [INFO] [stdout] running 8 tests [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] test src/forest.rs - forest::Gc (line 591) ... ok [INFO] [stdout] test src/forest.rs - forest::SkewForest (line 72) ... ok [INFO] [stdout] test src/map.rs - map::SkewMap::synchronize (line 57) ... 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/lib.rs - (line 45) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "3fc2efdf319ed2b7d6ce500c3cbbdfd1c97f50552c102547e9acf9bb40e9daaf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3fc2efdf319ed2b7d6ce500c3cbbdfd1c97f50552c102547e9acf9bb40e9daaf", kill_on_drop: false }` [INFO] [stdout] 3fc2efdf319ed2b7d6ce500c3cbbdfd1c97f50552c102547e9acf9bb40e9daaf