[INFO] fetching crate skew-forest 0.1.0... [INFO] testing skew-forest-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1 [INFO] extracting crate skew-forest 0.1.0 into /workspace/builds/worker-7-tc2/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-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate skew-forest 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "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" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 24be3e9ca58abcaa5f6ffa516856f547409a54f2d0524df5870a39ad9393041a [INFO] running `Command { std: "docker" "start" "-a" "24be3e9ca58abcaa5f6ffa516856f547409a54f2d0524df5870a39ad9393041a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "24be3e9ca58abcaa5f6ffa516856f547409a54f2d0524df5870a39ad9393041a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "24be3e9ca58abcaa5f6ffa516856f547409a54f2d0524df5870a39ad9393041a", kill_on_drop: false }` [INFO] [stdout] 24be3e9ca58abcaa5f6ffa516856f547409a54f2d0524df5870a39ad9393041a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ab81fa33522c75e32fdada21555d8970402a1d567817d4e5b7ab40ad67848f40 [INFO] running `Command { std: "docker" "start" "-a" "ab81fa33522c75e32fdada21555d8970402a1d567817d4e5b7ab40ad67848f40", 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 0.85s [INFO] running `Command { std: "docker" "inspect" "ab81fa33522c75e32fdada21555d8970402a1d567817d4e5b7ab40ad67848f40", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab81fa33522c75e32fdada21555d8970402a1d567817d4e5b7ab40ad67848f40", kill_on_drop: false }` [INFO] [stdout] ab81fa33522c75e32fdada21555d8970402a1d567817d4e5b7ab40ad67848f40 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] faed4abf45c1c877dcc1faeb93647f8111180c7692d35a366b39a805205dacf4 [INFO] running `Command { std: "docker" "start" "-a" "faed4abf45c1c877dcc1faeb93647f8111180c7692d35a366b39a805205dacf4", 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 0.88s [INFO] running `Command { std: "docker" "inspect" "faed4abf45c1c877dcc1faeb93647f8111180c7692d35a366b39a805205dacf4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "faed4abf45c1c877dcc1faeb93647f8111180c7692d35a366b39a805205dacf4", kill_on_drop: false }` [INFO] [stdout] faed4abf45c1c877dcc1faeb93647f8111180c7692d35a366b39a805205dacf4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 46e35d45d41f9e1d7491e25105775f7fc61f4738dd3c5838558ccb742ee80c6e [INFO] running `Command { std: "docker" "start" "-a" "46e35d45d41f9e1d7491e25105775f7fc61f4738dd3c5838558ccb742ee80c6e", 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 0.06s [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 ... ok [INFO] [stdout] test forest::test::get ... ok [INFO] [stdout] test forest::test::gc ... ok [INFO] [stdout] test forest::test::iter_rev ... 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 0.19s [INFO] [stdout] [INFO] [stderr] Doc-tests skew_forest [INFO] [stdout] [INFO] [stdout] running 8 tests [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::ancestors (line 419) ... ok [INFO] [stdout] test src/map.rs - map::SkewMap (line 14) ... ok [INFO] [stdout] test src/forest.rs - forest::SkewForest::truncate (line 310) ... 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] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.41s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "46e35d45d41f9e1d7491e25105775f7fc61f4738dd3c5838558ccb742ee80c6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "46e35d45d41f9e1d7491e25105775f7fc61f4738dd3c5838558ccb742ee80c6e", kill_on_drop: false }` [INFO] [stdout] 46e35d45d41f9e1d7491e25105775f7fc61f4738dd3c5838558ccb742ee80c6e