[INFO] fetching crate disjoint-sets 0.4.2... [INFO] testing disjoint-sets-0.4.2 against 1.55.0 for beta-1.56-1 [INFO] extracting crate disjoint-sets 0.4.2 into /workspace/builds/worker-61/source [INFO] validating manifest of crates.io crate disjoint-sets 0.4.2 on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate disjoint-sets 0.4.2 [INFO] finished tweaking crates.io crate disjoint-sets 0.4.2 [INFO] tweaked toml for crates.io crate disjoint-sets 0.4.2 written to /workspace/builds/worker-61/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 25c52672791e59bc5da3fab2eb9bd04efd561c233a6322b4f488c5aca0150fe0 [INFO] running `Command { std: "docker" "start" "-a" "25c52672791e59bc5da3fab2eb9bd04efd561c233a6322b4f488c5aca0150fe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "25c52672791e59bc5da3fab2eb9bd04efd561c233a6322b4f488c5aca0150fe0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "25c52672791e59bc5da3fab2eb9bd04efd561c233a6322b4f488c5aca0150fe0", kill_on_drop: false }` [INFO] [stdout] 25c52672791e59bc5da3fab2eb9bd04efd561c233a6322b4f488c5aca0150fe0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87117f3dd02fdb0895c1f40f929f8251ffe7e06fe5861b3e64b894be801658aa [INFO] running `Command { std: "docker" "start" "-a" "87117f3dd02fdb0895c1f40f929f8251ffe7e06fe5861b3e64b894be801658aa", kill_on_drop: false }` [INFO] [stderr] Compiling disjoint-sets v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/async.rs:173:28 [INFO] [stdout] | [INFO] [stdout] 173 | self.0[element].id.compare_and_swap(old_parent, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/tree.rs:465:17 [INFO] [stdout] | [INFO] [stdout] 465 | / mem::replace(&mut *guard_parent, Root { [INFO] [stdout] 466 | | data: new_data, [INFO] [stdout] 467 | | rank: rank, [INFO] [stdout] 468 | | }); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.13s [INFO] running `Command { std: "docker" "inspect" "87117f3dd02fdb0895c1f40f929f8251ffe7e06fe5861b3e64b894be801658aa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87117f3dd02fdb0895c1f40f929f8251ffe7e06fe5861b3e64b894be801658aa", kill_on_drop: false }` [INFO] [stdout] 87117f3dd02fdb0895c1f40f929f8251ffe7e06fe5861b3e64b894be801658aa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 17588b0ad45d957f2da1f171b45e0d83bcc7285e624de17ecd26dea80874c651 [INFO] running `Command { std: "docker" "start" "-a" "17588b0ad45d957f2da1f171b45e0d83bcc7285e624de17ecd26dea80874c651", kill_on_drop: false }` [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling serde_json v1.0.67 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/async.rs:173:28 [INFO] [stdout] | [INFO] [stdout] 173 | self.0[element].id.compare_and_swap(old_parent, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/tree.rs:465:17 [INFO] [stdout] | [INFO] [stdout] 465 | / mem::replace(&mut *guard_parent, Root { [INFO] [stdout] 466 | | data: new_data, [INFO] [stdout] 467 | | rank: rank, [INFO] [stdout] 468 | | }); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling disjoint-sets v0.4.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/tree.rs:668:17 [INFO] [stdout] | [INFO] [stdout] 668 | try!(self.unify(v1, v2)); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stdout] --> src/async.rs:173:28 [INFO] [stdout] | [INFO] [stdout] 173 | self.0[element].id.compare_and_swap(old_parent, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `std::mem::replace` that must be used [INFO] [stdout] --> src/tree.rs:465:17 [INFO] [stdout] | [INFO] [stdout] 465 | / mem::replace(&mut *guard_parent, Root { [INFO] [stdout] 466 | | data: new_data, [INFO] [stdout] 467 | | rank: rank, [INFO] [stdout] 468 | | }); [INFO] [stdout] | |___________________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 10.49s [INFO] running `Command { std: "docker" "inspect" "17588b0ad45d957f2da1f171b45e0d83bcc7285e624de17ecd26dea80874c651", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "17588b0ad45d957f2da1f171b45e0d83bcc7285e624de17ecd26dea80874c651", kill_on_drop: false }` [INFO] [stdout] 17588b0ad45d957f2da1f171b45e0d83bcc7285e624de17ecd26dea80874c651 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-61/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 34eeaefca91b12c17301e0c15853038b2e9167e5896ce3acea6ae46a1e2ccbd7 [INFO] running `Command { std: "docker" "start" "-a" "34eeaefca91b12c17301e0c15853038b2e9167e5896ce3acea6ae46a1e2ccbd7", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/async.rs:173:28 [INFO] [stderr] | [INFO] [stderr] 173 | self.0[element].id.compare_and_swap(old_parent, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused return value of `std::mem::replace` that must be used [INFO] [stderr] --> src/tree.rs:465:17 [INFO] [stderr] | [INFO] [stderr] 465 | / mem::replace(&mut *guard_parent, Root { [INFO] [stderr] 466 | | data: new_data, [INFO] [stderr] 467 | | rank: rank, [INFO] [stderr] 468 | | }); [INFO] [stderr] | |___________________^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: if you don't need the old value, you can just assign the new value directly [INFO] [stderr] [INFO] [stderr] warning: `disjoint-sets` (lib) generated 2 warnings [INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stderr] --> src/tree.rs:668:17 [INFO] [stderr] | [INFO] [stderr] 668 | try!(self.unify(v1, v2)); [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated associated function `std::sync::atomic::AtomicUsize::compare_and_swap`: Use `compare_exchange` or `compare_exchange_weak` instead [INFO] [stderr] --> src/async.rs:173:28 [INFO] [stderr] | [INFO] [stderr] 173 | self.0[element].id.compare_and_swap(old_parent, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `disjoint-sets` (lib test) generated 3 warnings (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/disjoint_sets-2a18414158b545f7) [INFO] [stdout] [INFO] [stdout] running 14 tests [INFO] [stderr] Doc-tests disjoint-sets [INFO] [stdout] test array::tests::union ... ok [INFO] [stdout] test array::tests::len ... ok [INFO] [stdout] test array::tests::unions ... ok [INFO] [stdout] test async::tests::changed ... ok [INFO] [stdout] test async::tests::len ... ok [INFO] [stdout] test async::tests::to_vec ... ok [INFO] [stdout] test async::tests::union ... ok [INFO] [stdout] test async::tests::unions ... ok [INFO] [stdout] test tree::tests::unify_flat ... ok [INFO] [stdout] test tree::tests::unify_deeper ... ok [INFO] [stdout] test tree::tests::unify_symbols ... ok [INFO] [stdout] test tree::tests::union ... ok [INFO] [stdout] test tree::tests::unify_vars ... ok [INFO] [stdout] test tree::tests::unions ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test src/lib.rs - (line 27) ... ok [INFO] [stdout] test src/lib.rs - (line 37) ... ok [INFO] [stdout] test src/tree.rs - tree::UnionFindNode (line 25) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.35s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "34eeaefca91b12c17301e0c15853038b2e9167e5896ce3acea6ae46a1e2ccbd7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "34eeaefca91b12c17301e0c15853038b2e9167e5896ce3acea6ae46a1e2ccbd7", kill_on_drop: false }` [INFO] [stdout] 34eeaefca91b12c17301e0c15853038b2e9167e5896ce3acea6ae46a1e2ccbd7