[INFO] fetching crate reference-counted-singleton 0.1.5... [INFO] testing reference-counted-singleton-0.1.5 against 1.90.0 for beta-1.91-3 [INFO] extracting crate reference-counted-singleton 0.1.5 into /workspace/builds/worker-2-tc1/source [INFO] started tweaking crates.io crate reference-counted-singleton 0.1.5 [INFO] finished tweaking crates.io crate reference-counted-singleton 0.1.5 [INFO] tweaked toml for crates.io crate reference-counted-singleton 0.1.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate reference-counted-singleton 0.1.5 on toolchain 1.90.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea3b0aa43d095f7c5f28d557f978680e933613a56f650b789cdf7f05fad3ef0c [INFO] running `Command { std: "docker" "start" "-a" "ea3b0aa43d095f7c5f28d557f978680e933613a56f650b789cdf7f05fad3ef0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea3b0aa43d095f7c5f28d557f978680e933613a56f650b789cdf7f05fad3ef0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea3b0aa43d095f7c5f28d557f978680e933613a56f650b789cdf7f05fad3ef0c", kill_on_drop: false }` [INFO] [stdout] ea3b0aa43d095f7c5f28d557f978680e933613a56f650b789cdf7f05fad3ef0c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 89439085dbd6ed5edd01ac4165f057f456cbe777556e7287f9b51b033df204f1 [INFO] running `Command { std: "docker" "start" "-a" "89439085dbd6ed5edd01ac4165f057f456cbe777556e7287f9b51b033df204f1", kill_on_drop: false }` [INFO] [stderr] Compiling reference-counted-singleton v0.1.5 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s [INFO] running `Command { std: "docker" "inspect" "89439085dbd6ed5edd01ac4165f057f456cbe777556e7287f9b51b033df204f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89439085dbd6ed5edd01ac4165f057f456cbe777556e7287f9b51b033df204f1", kill_on_drop: false }` [INFO] [stdout] 89439085dbd6ed5edd01ac4165f057f456cbe777556e7287f9b51b033df204f1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 409dcc10da7eb786c7626906304fd47bcc6b90cfd138768b19ab7a044dee03fe [INFO] running `Command { std: "docker" "start" "-a" "409dcc10da7eb786c7626906304fd47bcc6b90cfd138768b19ab7a044dee03fe", kill_on_drop: false }` [INFO] [stderr] Compiling quote v1.0.41 [INFO] [stderr] Compiling sdd v3.0.10 [INFO] [stderr] Compiling assert_matches v1.5.0 [INFO] [stderr] Compiling futures-util v0.3.31 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Compiling scc v2.4.0 [INFO] [stderr] Compiling parking_lot v0.12.4 [INFO] [stderr] Compiling syn v2.0.106 [INFO] [stderr] Compiling futures-executor v0.3.31 [INFO] [stderr] Compiling futures v0.3.31 [INFO] [stderr] Compiling serial_test_derive v3.2.0 [INFO] [stderr] Compiling serial_test v3.2.0 [INFO] [stderr] Compiling reference-counted-singleton v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/tests.rs:62:14 [INFO] [stdout] | [INFO] [stdout] 62 | unsafe { T1_S.as_ptr().as_ref().unwrap() } [INFO] [stdout] | ^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 5.32s [INFO] running `Command { std: "docker" "inspect" "409dcc10da7eb786c7626906304fd47bcc6b90cfd138768b19ab7a044dee03fe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "409dcc10da7eb786c7626906304fd47bcc6b90cfd138768b19ab7a044dee03fe", kill_on_drop: false }` [INFO] [stdout] 409dcc10da7eb786c7626906304fd47bcc6b90cfd138768b19ab7a044dee03fe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 7878b30aff1f844c965b13b94cad2c95e412fba4d66353cb1caa4e360ff8d394 [INFO] running `Command { std: "docker" "start" "-a" "7878b30aff1f844c965b13b94cad2c95e412fba4d66353cb1caa4e360ff8d394", kill_on_drop: false }` [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/tests.rs:62:14 [INFO] [stderr] | [INFO] [stderr] 62 | unsafe { T1_S.as_ptr().as_ref().unwrap() } [INFO] [stderr] | ^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `reference-counted-singleton` (lib test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reference_counted_singleton-372bdc009205d00f) [INFO] [stdout] test tests::ref_counted_singleton_error ... ok [INFO] [stdout] test tests::ref_counted_singleton_new ... ok [INFO] [stdout] test tests::ref_counted_singleton_static ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s [INFO] [stdout] [INFO] [stderr] Doc-tests reference_counted_singleton [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] running `Command { std: "docker" "inspect" "7878b30aff1f844c965b13b94cad2c95e412fba4d66353cb1caa4e360ff8d394", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7878b30aff1f844c965b13b94cad2c95e412fba4d66353cb1caa4e360ff8d394", kill_on_drop: false }` [INFO] [stdout] 7878b30aff1f844c965b13b94cad2c95e412fba4d66353cb1caa4e360ff8d394