[INFO] fetching crate tank-tests 0.8.0...
[INFO] testing tank-tests-0.8.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate tank-tests 0.8.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tank-tests 0.8.0
[INFO] finished tweaking crates.io crate tank-tests 0.8.0
[INFO] tweaked toml for crates.io crate tank-tests 0.8.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tank-tests 0.8.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tank-tests 0.8.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecheck_derive v0.6.12
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[INFO] [stderr]   Downloaded bytecheck v0.6.12
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[INFO] [stderr]   Downloaded tank-macros v0.8.0
[INFO] [stderr]   Downloaded jiff v0.2.15
[INFO] [stderr]   Downloaded tank v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3027a350084d19111fbc6e7fe454f7d2c2a2d61b5afe93fda32cac0f35295f2
[INFO] running `Command { std: "docker" "start" "-a" "f3027a350084d19111fbc6e7fe454f7d2c2a2d61b5afe93fda32cac0f35295f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3027a350084d19111fbc6e7fe454f7d2c2a2d61b5afe93fda32cac0f35295f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3027a350084d19111fbc6e7fe454f7d2c2a2d61b5afe93fda32cac0f35295f2", kill_on_drop: false }`
[INFO] [stdout] f3027a350084d19111fbc6e7fe454f7d2c2a2d61b5afe93fda32cac0f35295f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7afc9c23da0a10c47441444e41e442c584537359183c299ccba0179ab1486637
[INFO] running `Command { std: "docker" "start" "-a" "7afc9c23da0a10c47441444e41e442c584537359183c299ccba0179ab1486637", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling gimli v0.32.3
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling rustc-demangle v0.1.26
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling rust_decimal v1.39.0
[INFO] [stderr]    Compiling time-macros v0.2.24
[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling indoc v2.0.6
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling fast-float v0.2.0
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling log v0.4.28
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-query v1.1.4
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.1
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling jiff v0.2.15
[INFO] [stderr]    Compiling convert_case v0.7.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling atoi v2.0.0
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling addr2line v0.25.1
[INFO] [stderr]    Compiling backtrace v0.3.76
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling env_filter v0.1.4
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling env_logger v0.11.8
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling tank-core v0.8.0
[INFO] [stderr]    Compiling tank-macros v0.8.0
[INFO] [stderr]    Compiling tank v0.8.0
[INFO] [stderr]    Compiling tank-tests v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `executor`
[INFO] [stdout]  --> src/full1.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stdout]   |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executor`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `First` is never constructed
[INFO] [stdout]  --> src/full1.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct First {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MUTEX` is never used
[INFO] [stdout]  --> src/full1.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static MUTEX: LazyLock<Mutex<()>> = LazyLock::new(|| Mutex::new(()));
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full1` is never used
[INFO] [stdout]  --> src/full1.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.69s
[INFO] running `Command { std: "docker" "inspect" "7afc9c23da0a10c47441444e41e442c584537359183c299ccba0179ab1486637", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afc9c23da0a10c47441444e41e442c584537359183c299ccba0179ab1486637", kill_on_drop: false }`
[INFO] [stdout] 7afc9c23da0a10c47441444e41e442c584537359183c299ccba0179ab1486637
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d2e822cbd0cbe339c09a05f3e852283b94584500bad94567c86b060f4ddb93c1
[INFO] running `Command { std: "docker" "start" "-a" "d2e822cbd0cbe339c09a05f3e852283b94584500bad94567c86b060f4ddb93c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling tank-tests v0.8.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `executor`
[INFO] [stdout]  --> src/full1.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stdout]   |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executor`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `First` is never constructed
[INFO] [stdout]  --> src/full1.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct First {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MUTEX` is never used
[INFO] [stdout]  --> src/full1.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static MUTEX: LazyLock<Mutex<()>> = LazyLock::new(|| Mutex::new(()));
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full1` is never used
[INFO] [stdout]  --> src/full1.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `executor`
[INFO] [stdout]  --> src/full1.rs:9:33
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stdout]   |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executor`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `First` is never constructed
[INFO] [stdout]  --> src/full1.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct First {}
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static `MUTEX` is never used
[INFO] [stdout]  --> src/full1.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | static MUTEX: LazyLock<Mutex<()>> = LazyLock::new(|| Mutex::new(()));
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `full1` is never used
[INFO] [stdout]  --> src/full1.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stdout]   |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.17s
[INFO] running `Command { std: "docker" "inspect" "d2e822cbd0cbe339c09a05f3e852283b94584500bad94567c86b060f4ddb93c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2e822cbd0cbe339c09a05f3e852283b94584500bad94567c86b060f4ddb93c1", kill_on_drop: false }`
[INFO] [stdout] d2e822cbd0cbe339c09a05f3e852283b94584500bad94567c86b060f4ddb93c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fa3919aab1acc048428ef129244de6702862e0ba89d04661b85112c771ba8adc
[INFO] running `Command { std: "docker" "start" "-a" "fa3919aab1acc048428ef129244de6702862e0ba89d04661b85112c771ba8adc", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `executor`
[INFO] [stderr]  --> src/full1.rs:9:33
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stderr]   |                                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_executor`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `First` is never constructed
[INFO] [stderr]  --> src/full1.rs:6:8
[INFO] [stderr]   |
[INFO] [stderr] 6 | struct First {}
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static `MUTEX` is never used
[INFO] [stderr]  --> src/full1.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | static MUTEX: LazyLock<Mutex<()>> = LazyLock::new(|| Mutex::new(()));
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `full1` is never used
[INFO] [stderr]  --> src/full1.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub async fn full1<E: Executor>(executor: &mut E) {}
[INFO] [stderr]   |              ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `tank-tests` (lib) generated 4 warnings
[INFO] [stderr] warning: `tank-tests` (lib test) generated 4 warnings (4 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tank_tests-cf22458028607ad5)
[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] [stderr]    Doc-tests tank_tests
[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" "fa3919aab1acc048428ef129244de6702862e0ba89d04661b85112c771ba8adc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa3919aab1acc048428ef129244de6702862e0ba89d04661b85112c771ba8adc", kill_on_drop: false }`
[INFO] [stdout] fa3919aab1acc048428ef129244de6702862e0ba89d04661b85112c771ba8adc