[INFO] fetching crate comet-gc 0.1.3... [INFO] testing comet-gc-0.1.3 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate comet-gc 0.1.3 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate comet-gc 0.1.3 on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate comet-gc 0.1.3 [INFO] finished tweaking crates.io crate comet-gc 0.1.3 [INFO] tweaked toml for crates.io crate comet-gc 0.1.3 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate crates.io crate comet-gc 0.1.3 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cef91857089a8a0a2f911bc1b7d53f38616fb0057a1e3bdeee0f09fedf623f4c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cef91857089a8a0a2f911bc1b7d53f38616fb0057a1e3bdeee0f09fedf623f4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cef91857089a8a0a2f911bc1b7d53f38616fb0057a1e3bdeee0f09fedf623f4c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cef91857089a8a0a2f911bc1b7d53f38616fb0057a1e3bdeee0f09fedf623f4c", kill_on_drop: false }` [INFO] [stdout] cef91857089a8a0a2f911bc1b7d53f38616fb0057a1e3bdeee0f09fedf623f4c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f6a917bca6dcbb3b9751adcba659befacb5282112c6d15bb387f9d52464726d2 [INFO] running `Command { std: "docker" "start" "-a" "f6a917bca6dcbb3b9751adcba659befacb5282112c6d15bb387f9d52464726d2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.105 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling atomic v0.5.0 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling parking_lot_core v0.8.5 [INFO] [stderr] Compiling memmap2 v0.5.0 [INFO] [stderr] Compiling parking_lot v0.11.2 [INFO] [stderr] Compiling modular-bitfield-impl v0.11.2 [INFO] [stderr] Compiling modular-bitfield v0.11.2 [INFO] [stderr] Compiling comet-gc v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/gcref.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 86 | / pub unsafe fn cast_unchecked + TraceTrait + FinalizeTrait + 'static>( [INFO] [stdout] 87 | | self, [INFO] [stdout] 88 | | ) -> GcRef { [INFO] [stdout] | |_________________- because it's nested under this `unsafe` fn [INFO] [stdout] 89 | self.cast::() [INFO] [stdout] 90 | .unwrap_or_else(|| unsafe { core::hint::unreachable_unchecked() }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.51s [INFO] running `Command { std: "docker" "inspect" "f6a917bca6dcbb3b9751adcba659befacb5282112c6d15bb387f9d52464726d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6a917bca6dcbb3b9751adcba659befacb5282112c6d15bb387f9d52464726d2", kill_on_drop: false }` [INFO] [stdout] f6a917bca6dcbb3b9751adcba659befacb5282112c6d15bb387f9d52464726d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cd9d2d7ab7b35d0933b8a72e15ed444c628334f37646f8bf9eb19891d34147a2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cd9d2d7ab7b35d0933b8a72e15ed444c628334f37646f8bf9eb19891d34147a2", kill_on_drop: false }` [INFO] [stderr] Compiling comet-gc v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/gcref.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 86 | / pub unsafe fn cast_unchecked + TraceTrait + FinalizeTrait + 'static>( [INFO] [stdout] 87 | | self, [INFO] [stdout] 88 | | ) -> GcRef { [INFO] [stdout] | |_________________- because it's nested under this `unsafe` fn [INFO] [stdout] 89 | self.cast::() [INFO] [stdout] 90 | .unwrap_or_else(|| unsafe { core::hint::unreachable_unchecked() }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/gcref.rs:90:32 [INFO] [stdout] | [INFO] [stdout] 86 | / pub unsafe fn cast_unchecked + TraceTrait + FinalizeTrait + 'static>( [INFO] [stdout] 87 | | self, [INFO] [stdout] 88 | | ) -> GcRef { [INFO] [stdout] | |_________________- because it's nested under this `unsafe` fn [INFO] [stdout] 89 | self.cast::() [INFO] [stdout] 90 | .unwrap_or_else(|| unsafe { core::hint::unreachable_unchecked() }) [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stdout] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.71s [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/comet-7192cf03e16db18a) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/comet_gc-f4ba2f3460830485) [INFO] running `Command { std: "docker" "inspect" "cd9d2d7ab7b35d0933b8a72e15ed444c628334f37646f8bf9eb19891d34147a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cd9d2d7ab7b35d0933b8a72e15ed444c628334f37646f8bf9eb19891d34147a2", kill_on_drop: false }` [INFO] [stdout] cd9d2d7ab7b35d0933b8a72e15ed444c628334f37646f8bf9eb19891d34147a2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] e58cab052e42d6563f578712e1ccbd2e263b2441ba2e96633c55af0cab8f4af4 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e58cab052e42d6563f578712e1ccbd2e263b2441ba2e96633c55af0cab8f4af4", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/gcref.rs:90:32 [INFO] [stderr] | [INFO] [stderr] 86 | / pub unsafe fn cast_unchecked + TraceTrait + FinalizeTrait + 'static>( [INFO] [stderr] 87 | | self, [INFO] [stderr] 88 | | ) -> GcRef { [INFO] [stderr] | |_________________- because it's nested under this `unsafe` fn [INFO] [stderr] 89 | self.cast::() [INFO] [stderr] 90 | .unwrap_or_else(|| unsafe { core::hint::unreachable_unchecked() }) [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stderr] = note: this `unsafe` block does contain unsafe operations, but those are already allowed in an `unsafe fn` [INFO] [stderr] = note: `#[allow(unsafe_op_in_unsafe_fn)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `comet-gc` (lib) generated 1 warning [INFO] [stderr] warning: `comet-gc` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/comet-7192cf03e16db18a) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/comet_gc-f4ba2f3460830485) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests comet [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test src/header.rs - header::HeapObjectHeader (line 7) ... FAILED [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/header.rs - header::HeapObjectHeader (line 7) stdout ---- [INFO] [stdout] error: expected expression, found `+` [INFO] [stdout] --> src/header.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 3 | +-----------------+------+------------------------------------------+ [INFO] [stdout] | ^ expected expression [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/header.rs - header::HeapObjectHeader (line 7) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.14s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "e58cab052e42d6563f578712e1ccbd2e263b2441ba2e96633c55af0cab8f4af4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e58cab052e42d6563f578712e1ccbd2e263b2441ba2e96633c55af0cab8f4af4", kill_on_drop: false }` [INFO] [stdout] e58cab052e42d6563f578712e1ccbd2e263b2441ba2e96633c55af0cab8f4af4