[INFO] fetching crate mjb_gc 0.2.0... [INFO] testing mjb_gc-0.2.0 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate mjb_gc 0.2.0 into /workspace/builds/worker-49/source [INFO] validating manifest of crates.io crate mjb_gc 0.2.0 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-49/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded mjb_gc_derive v0.2.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 68854df68455cc4a0ed7374ad7460846514e6cd543cc86a8dfd579d43b0f2ee2 [INFO] running `Command { std: "docker" "start" "-a" "68854df68455cc4a0ed7374ad7460846514e6cd543cc86a8dfd579d43b0f2ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "68854df68455cc4a0ed7374ad7460846514e6cd543cc86a8dfd579d43b0f2ee2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "68854df68455cc4a0ed7374ad7460846514e6cd543cc86a8dfd579d43b0f2ee2", kill_on_drop: false }` [INFO] [stdout] 68854df68455cc4a0ed7374ad7460846514e6cd543cc86a8dfd579d43b0f2ee2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a62379b31e56cfb17154b8eb27448975e13c1275383516f6680b57879c68ebb2 [INFO] running `Command { std: "docker" "start" "-a" "a62379b31e56cfb17154b8eb27448975e13c1275383516f6680b57879c68ebb2", kill_on_drop: false }` [INFO] [stderr] Compiling mjb_gc v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.41s [INFO] running `Command { std: "docker" "inspect" "a62379b31e56cfb17154b8eb27448975e13c1275383516f6680b57879c68ebb2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a62379b31e56cfb17154b8eb27448975e13c1275383516f6680b57879c68ebb2", kill_on_drop: false }` [INFO] [stdout] a62379b31e56cfb17154b8eb27448975e13c1275383516f6680b57879c68ebb2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6317db8054f4a44cc568e3f449ad145e4031b36db275406956fb9b21edc5aa71 [INFO] running `Command { std: "docker" "start" "-a" "6317db8054f4a44cc568e3f449ad145e4031b36db275406956fb9b21edc5aa71", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mjb_gc v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "6317db8054f4a44cc568e3f449ad145e4031b36db275406956fb9b21edc5aa71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6317db8054f4a44cc568e3f449ad145e4031b36db275406956fb9b21edc5aa71", kill_on_drop: false }` [INFO] [stdout] 6317db8054f4a44cc568e3f449ad145e4031b36db275406956fb9b21edc5aa71 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5823d5d502182f24924ef8f29c125409c92d21d5058070f947b953732ddcd332 [INFO] running `Command { std: "docker" "start" "-a" "5823d5d502182f24924ef8f29c125409c92d21d5058070f947b953732ddcd332", kill_on_drop: false }` [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/mjb_gc-121a0da842298fc1) [INFO] [stdout] [INFO] [stdout] running 2 tests [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 0.03s [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 - unsafe_empty_trace (line 734) ... 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] test src/lib.rs - Gc::try_unwrap (line 220) ... ok [INFO] [stdout] test src/lib.rs - Gc::new (line 98) ... 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 0.64s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass '--doc' [INFO] running `Command { std: "docker" "inspect" "5823d5d502182f24924ef8f29c125409c92d21d5058070f947b953732ddcd332", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5823d5d502182f24924ef8f29c125409c92d21d5058070f947b953732ddcd332", kill_on_drop: false }` [INFO] [stdout] 5823d5d502182f24924ef8f29c125409c92d21d5058070f947b953732ddcd332