[INFO] fetching crate mjb_gc 0.2.0... [INFO] testing mjb_gc-0.2.0 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] extracting crate mjb_gc 0.2.0 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate mjb_gc 0.2.0 on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mjb_gc 0.2.0 [INFO] finished tweaking crates.io crate mjb_gc 0.2.0 [INFO] tweaked toml for crates.io crate mjb_gc 0.2.0 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 94aae4c362301fe2e0c70d121239d3a2b330245fd55e0fb901e8d0c49bbb6425 [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" "94aae4c362301fe2e0c70d121239d3a2b330245fd55e0fb901e8d0c49bbb6425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "94aae4c362301fe2e0c70d121239d3a2b330245fd55e0fb901e8d0c49bbb6425", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "94aae4c362301fe2e0c70d121239d3a2b330245fd55e0fb901e8d0c49bbb6425", kill_on_drop: false }` [INFO] [stdout] 94aae4c362301fe2e0c70d121239d3a2b330245fd55e0fb901e8d0c49bbb6425 [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6f2a09d90297137f29095f58752db586669cb861eb6e702a9f4ac97e2f61d2a0 [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" "6f2a09d90297137f29095f58752db586669cb861eb6e702a9f4ac97e2f61d2a0", kill_on_drop: false }` [INFO] [stderr] Compiling mjb_gc v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.65s [INFO] running `Command { std: "docker" "inspect" "6f2a09d90297137f29095f58752db586669cb861eb6e702a9f4ac97e2f61d2a0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6f2a09d90297137f29095f58752db586669cb861eb6e702a9f4ac97e2f61d2a0", kill_on_drop: false }` [INFO] [stdout] 6f2a09d90297137f29095f58752db586669cb861eb6e702a9f4ac97e2f61d2a0 [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6870c639301a2a05968a8994589ee7fdbafefc6bc804ecf33850635bfcfb6cfc [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" "6870c639301a2a05968a8994589ee7fdbafefc6bc804ecf33850635bfcfb6cfc", kill_on_drop: false }` [INFO] [stderr] Compiling mjb_gc v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `Command { std: "docker" "inspect" "6870c639301a2a05968a8994589ee7fdbafefc6bc804ecf33850635bfcfb6cfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6870c639301a2a05968a8994589ee7fdbafefc6bc804ecf33850635bfcfb6cfc", kill_on_drop: false }` [INFO] [stdout] 6870c639301a2a05968a8994589ee7fdbafefc6bc804ecf33850635bfcfb6cfc [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=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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b6fd7da8e58e0712e14617abdb79f1746333c8e0c3334150fac899d19f935eef [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" "b6fd7da8e58e0712e14617abdb79f1746333c8e0c3334150fac899d19f935eef", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.09s [INFO] [stdout] running 2 tests [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mjb_gc-121a0da842298fc1) [INFO] [stdout] test tests::test_better_cyclic::test_better_cyclic ... ok [INFO] [stderr] Doc-tests mjb_gc [INFO] [stdout] test tests::test_simple_cyclic::test_simple_cyclic ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - unsafe_empty_trace (line 747) ... FAILED [INFO] [stdout] test src/lib.rs - Gc::drop (line 451) ... FAILED [INFO] [stdout] test src/lib.rs - Gc::new_cyclic (line 124) ... FAILED [INFO] [stdout] test src/lib.rs - Gc::deref (line 345) ... FAILED [INFO] [stdout] test src/lib.rs - Gc::new (line 98) ... ok [INFO] [stdout] test src/lib.rs - unsafe_empty_trace (line 734) ... ok [INFO] [stdout] test src/lib.rs - Gc::try_unwrap (line 220) ... ok [INFO] [stdout] test src/lib.rs - Gc::new_cyclic (line 144) ... ok [INFO] [stdout] test src/lib.rs - Gc::get_mut (line 278) ... ok [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- src/lib.rs - unsafe_empty_trace (line 747) stdout ---- [INFO] [stdout] error: cannot find derive macro `Trace` in this scope [INFO] [stdout] --> src/lib.rs:750:10 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Trace)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro [INFO] [stdout] --> src/lib.rs:748:5 [INFO] [stdout] | [INFO] [stdout] 4 | use mjb_gc::Trace; [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error [INFO] [stdout] [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Gc::drop (line 451) stdout ---- [INFO] [stdout] error: cannot find derive macro `Trace` in this scope [INFO] [stdout] --> src/lib.rs:454:10 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Trace)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro [INFO] [stdout] --> src/lib.rs:452:18 [INFO] [stdout] | [INFO] [stdout] 4 | use mjb_gc::{Gc, Trace}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Cyclic: Trace` is not satisfied [INFO] [stdout] --> src/lib.rs:455:15 [INFO] [stdout] | [INFO] [stdout] 7 | struct Cyclic(Gc); [INFO] [stdout] | ^^^^^^^^^^ the trait `Trace` is not implemented for `Cyclic` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Gc` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct Gc { [INFO] [stdout] | ^^^^^ required by this bound in `Gc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Gc::new_cyclic (line 124) stdout ---- [INFO] [stdout] error: cannot find derive macro `Trace` in this scope [INFO] [stdout] --> src/lib.rs:127:10 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Trace)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro [INFO] [stdout] --> src/lib.rs:125:18 [INFO] [stdout] | [INFO] [stdout] 4 | use mjb_gc::{Gc, Trace}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Gadget: Trace` is not satisfied [INFO] [stdout] --> src/lib.rs:134:17 [INFO] [stdout] | [INFO] [stdout] 13 | fn new() -> Gc { [INFO] [stdout] | ^^^^^^^^ the trait `Trace` is not implemented for `Gadget` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Gc` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct Gc { [INFO] [stdout] | ^^^^^ required by this bound in `Gc` [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Gadget: Trace` is not satisfied [INFO] [stdout] --> src/lib.rs:129:14 [INFO] [stdout] | [INFO] [stdout] 8 | self_gc: Gc, [INFO] [stdout] | ^^^^^^^^^^ the trait `Trace` is not implemented for `Gadget` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Gc` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct Gc { [INFO] [stdout] | ^^^^^ required by this bound in `Gc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 3 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] ---- src/lib.rs - Gc::deref (line 345) stdout ---- [INFO] [stdout] error: cannot find derive macro `Trace` in this scope [INFO] [stdout] --> src/lib.rs:348:10 [INFO] [stdout] | [INFO] [stdout] 6 | #[derive(Trace)] [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] note: `Trace` is imported here, but it is only a trait, without a derive macro [INFO] [stdout] --> src/lib.rs:346:18 [INFO] [stdout] | [INFO] [stdout] 4 | use mjb_gc::{Gc, Trace}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] error[E0277]: the trait bound `Cyclic: Trace` is not satisfied [INFO] [stdout] --> src/lib.rs:349:15 [INFO] [stdout] | [INFO] [stdout] 7 | struct Cyclic(Gc); [INFO] [stdout] | ^^^^^^^^^^ the trait `Trace` is not implemented for `Cyclic` [INFO] [stdout] | [INFO] [stdout] note: required by a bound in `Gc` [INFO] [stdout] --> /opt/rustwide/workdir/src/lib.rs:49:18 [INFO] [stdout] | [INFO] [stdout] 49 | pub struct Gc { [INFO] [stdout] | ^^^^^ required by this bound in `Gc` [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0277`. [INFO] [stdout] Couldn't compile the test. [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] src/lib.rs - Gc::deref (line 345) [INFO] [stdout] src/lib.rs - Gc::drop (line 451) [INFO] [stdout] src/lib.rs - Gc::new_cyclic (line 124) [INFO] [stdout] src/lib.rs - unsafe_empty_trace (line 747) [INFO] [stdout] [INFO] [stdout] test result: FAILED. 5 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.98s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "b6fd7da8e58e0712e14617abdb79f1746333c8e0c3334150fac899d19f935eef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6fd7da8e58e0712e14617abdb79f1746333c8e0c3334150fac899d19f935eef", kill_on_drop: false }` [INFO] [stdout] b6fd7da8e58e0712e14617abdb79f1746333c8e0c3334150fac899d19f935eef