[INFO] fetching crate mjb_gc 0.1.0... [INFO] testing mjb_gc-0.1.0 against master#b70888601af92f6cdc0364abab3446e418b91d36 for pr-86479 [INFO] extracting crate mjb_gc 0.1.0 into /workspace/builds/worker-15/source [INFO] validating manifest of crates.io crate mjb_gc 0.1.0 on toolchain b70888601af92f6cdc0364abab3446e418b91d36 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate mjb_gc 0.1.0 [INFO] finished tweaking crates.io crate mjb_gc 0.1.0 [INFO] tweaked toml for crates.io crate mjb_gc 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e910eea50a2171195152c0201de4800d6fb03b1c9136a454212e291516b2479b [INFO] running `Command { std: "docker" "start" "-a" "e910eea50a2171195152c0201de4800d6fb03b1c9136a454212e291516b2479b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e910eea50a2171195152c0201de4800d6fb03b1c9136a454212e291516b2479b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e910eea50a2171195152c0201de4800d6fb03b1c9136a454212e291516b2479b", kill_on_drop: false }` [INFO] [stdout] e910eea50a2171195152c0201de4800d6fb03b1c9136a454212e291516b2479b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 974e0526f4a0c374ab7cb0ffeebe1a6e5289b084e22f164abfb5cc195a997e24 [INFO] running `Command { std: "docker" "start" "-a" "974e0526f4a0c374ab7cb0ffeebe1a6e5289b084e22f164abfb5cc195a997e24", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.74 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling synstructure v0.12.5 [INFO] [stderr] Compiling mjb_gc_derive v0.1.0 [INFO] [stderr] Compiling mjb_gc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(maybe_uninit_ref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.25s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "974e0526f4a0c374ab7cb0ffeebe1a6e5289b084e22f164abfb5cc195a997e24", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "974e0526f4a0c374ab7cb0ffeebe1a6e5289b084e22f164abfb5cc195a997e24", kill_on_drop: false }` [INFO] [stdout] 974e0526f4a0c374ab7cb0ffeebe1a6e5289b084e22f164abfb5cc195a997e24 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7d0e00d9bdc0ecbe3c1d3d3aa1df07506b38dfe8f1be06d7bf1f31fd363b563 [INFO] running `Command { std: "docker" "start" "-a" "e7d0e00d9bdc0ecbe3c1d3d3aa1df07506b38dfe8f1be06d7bf1f31fd363b563", kill_on_drop: false }` [INFO] [stderr] Compiling mjb_gc v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(maybe_uninit_ref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable [INFO] [stdout] --> src/lib.rs:3:12 [INFO] [stdout] | [INFO] [stdout] 3 | #![feature(maybe_uninit_ref)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(stable_features)]` 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 0.81s [INFO] running `Command { std: "docker" "inspect" "e7d0e00d9bdc0ecbe3c1d3d3aa1df07506b38dfe8f1be06d7bf1f31fd363b563", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7d0e00d9bdc0ecbe3c1d3d3aa1df07506b38dfe8f1be06d7bf1f31fd363b563", kill_on_drop: false }` [INFO] [stdout] e7d0e00d9bdc0ecbe3c1d3d3aa1df07506b38dfe8f1be06d7bf1f31fd363b563 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+b70888601af92f6cdc0364abab3446e418b91d36" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b1bd05d0585dec6afb58a75b4837415f389807dbdda07f4c322b2bb220d69f7f [INFO] running `Command { std: "docker" "start" "-a" "b1bd05d0585dec6afb58a75b4837415f389807dbdda07f4c322b2bb220d69f7f", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stdout] [INFO] [stderr] warning: the feature `maybe_uninit_ref` has been stable since 1.55.0 and no longer requires an attribute to enable [INFO] [stdout] running 2 tests [INFO] [stderr] --> src/lib.rs:3:12 [INFO] [stdout] test tests::test_simple_cyclic::test_simple_cyclic ... ok [INFO] [stderr] | [INFO] [stdout] test tests::test_better_cyclic::test_better_cyclic ... ok [INFO] [stderr] 3 | #![feature(maybe_uninit_ref)] [INFO] [stdout] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] | [INFO] [stdout] [INFO] [stderr] = note: `#[warn(stable_features)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mjb_gc` (lib) generated 1 warning [INFO] [stderr] warning: `mjb_gc` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/gc-820af99eec188946) [INFO] [stderr] Doc-tests gc [INFO] [stdout] [INFO] [stdout] running 9 tests [INFO] [stdout] test src/lib.rs - Gc::deref (line 345) ... ok [INFO] [stdout] test src/lib.rs - Gc::drop (line 452) ... ok [INFO] [stdout] test src/lib.rs - Gc::new (line 98) ... ok [INFO] [stdout] test src/lib.rs - Gc::get_mut (line 278) ... ok [INFO] [stdout] test src/lib.rs - Gc::new_cyclic (line 144) ... ok [INFO] [stdout] test src/lib.rs - unsafe_empty_trace (line 719) ... ok [INFO] [stdout] test src/lib.rs - Gc::try_unwrap (line 220) ... ok [INFO] [stdout] test src/lib.rs - unsafe_empty_trace (line 732) ... ok [INFO] [stdout] test src/lib.rs - Gc::new_cyclic (line 124) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.51s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b1bd05d0585dec6afb58a75b4837415f389807dbdda07f4c322b2bb220d69f7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1bd05d0585dec6afb58a75b4837415f389807dbdda07f4c322b2bb220d69f7f", kill_on_drop: false }` [INFO] [stdout] b1bd05d0585dec6afb58a75b4837415f389807dbdda07f4c322b2bb220d69f7f