[INFO] fetching crate mucell 0.3.5... [INFO] testing mucell-0.3.5 against beta-2022-04-10 for beta-1.61-1 [INFO] extracting crate mucell 0.3.5 into /workspace/builds/worker-65/source [INFO] validating manifest of crates.io crate mucell 0.3.5 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 mucell 0.3.5 [INFO] finished tweaking crates.io crate mucell 0.3.5 [INFO] tweaked toml for crates.io crate mucell 0.3.5 written to /workspace/builds/worker-65/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5cac04c71578aa2e11c3b5ca64f7aecf1228b6774f24848bb45dd6866c4dce7e [INFO] running `Command { std: "docker" "start" "-a" "5cac04c71578aa2e11c3b5ca64f7aecf1228b6774f24848bb45dd6866c4dce7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5cac04c71578aa2e11c3b5ca64f7aecf1228b6774f24848bb45dd6866c4dce7e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5cac04c71578aa2e11c3b5ca64f7aecf1228b6774f24848bb45dd6866c4dce7e", kill_on_drop: false }` [INFO] [stdout] 5cac04c71578aa2e11c3b5ca64f7aecf1228b6774f24848bb45dd6866c4dce7e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ad566e86c02b8e138cdcfa8768047ce2491a19255db655167bed6c73fff695a8 [INFO] running `Command { std: "docker" "start" "-a" "ad566e86c02b8e138cdcfa8768047ce2491a19255db655167bed6c73fff695a8", kill_on_drop: false }` [INFO] [stderr] Compiling mucell v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | unsafe { self.value.into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 22.43s [INFO] running `Command { std: "docker" "inspect" "ad566e86c02b8e138cdcfa8768047ce2491a19255db655167bed6c73fff695a8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad566e86c02b8e138cdcfa8768047ce2491a19255db655167bed6c73fff695a8", kill_on_drop: false }` [INFO] [stdout] ad566e86c02b8e138cdcfa8768047ce2491a19255db655167bed6c73fff695a8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 96e6c797f27f576561bdca41f4fc16a973fe4c5e9973526feee07b32f4f80929 [INFO] running `Command { std: "docker" "start" "-a" "96e6c797f27f576561bdca41f4fc16a973fe4c5e9973526feee07b32f4f80929", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling mucell v0.3.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | unsafe { self.value.into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> examples/vector_munger.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | #[macro_use] extern crate mucell; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/lib.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | unsafe { self.value.into_inner() } [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:68:20 [INFO] [stdout] | [INFO] [stdout] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.65s [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/mucell-5df953cf0c226ac0) [INFO] running `Command { std: "docker" "inspect" "96e6c797f27f576561bdca41f4fc16a973fe4c5e9973526feee07b32f4f80929", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "96e6c797f27f576561bdca41f4fc16a973fe4c5e9973526feee07b32f4f80929", kill_on_drop: false }` [INFO] [stdout] 96e6c797f27f576561bdca41f4fc16a973fe4c5e9973526feee07b32f4f80929 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 4c47f6a3183324a42d7213da339375fd91858922a720cb83a381779463f0facc [INFO] running `Command { std: "docker" "start" "-a" "4c47f6a3183324a42d7213da339375fd91858922a720cb83a381779463f0facc", kill_on_drop: false }` [INFO] [stderr] warning: unnecessary `unsafe` block [INFO] [stderr] --> src/lib.rs:149:9 [INFO] [stderr] | [INFO] [stderr] 149 | unsafe { self.value.into_inner() } [INFO] [stderr] | ^^^^^^ unnecessary `unsafe` block [INFO] [stderr] | [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:68:20 [INFO] [stderr] | [INFO] [stderr] 68 | #![warn(bad_style, unused, missing_docs)] [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_unsafe)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: `mucell` (lib) generated 1 warning [INFO] [stderr] warning: `mucell` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> examples/vector_munger.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] extern crate mucell; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `mucell` (example "vector_munger") generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/mucell-5df953cf0c226ac0) [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test test_try_mutate_in_try_mutate ... ok [INFO] [stdout] test unsafe_subversion_demo ... ok [INFO] [stdout] test test_borrow_in_try_mutate - should panic ... 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 mucell [INFO] [stdout] [INFO] [stdout] running 7 tests [INFO] [stdout] test src/lib.rs - MuCell::into_inner (line 136) ... ok [INFO] [stdout] test src/lib.rs - MuCell::new (line 116) ... ok [INFO] [stdout] test src/lib.rs - Ref::into_inner (line 311) ... ok [INFO] [stdout] test src/lib.rs - Ref::map_unsafe (line 375) ... ok [INFO] [stdout] test src/lib.rs - Ref::filter_map_unsafe (line 428) ... ok [INFO] [stdout] test src/lib.rs - Ref::into_owned (line 338) ... ok [INFO] [stdout] test src/lib.rs - (line 27) ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.46s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "4c47f6a3183324a42d7213da339375fd91858922a720cb83a381779463f0facc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4c47f6a3183324a42d7213da339375fd91858922a720cb83a381779463f0facc", kill_on_drop: false }` [INFO] [stdout] 4c47f6a3183324a42d7213da339375fd91858922a720cb83a381779463f0facc