[INFO] fetching crate colosseum 0.2.2...
[INFO] testing colosseum-0.2.2 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate colosseum 0.2.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate colosseum 0.2.2
[INFO] finished tweaking crates.io crate colosseum 0.2.2
[INFO] tweaked toml for crates.io crate colosseum 0.2.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate colosseum 0.2.2 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30846c305d481ae6fca7b5ef74c8d6e0f2a4a76f25b6000ec254533e85ca2959
[INFO] running `Command { std: "docker" "start" "-a" "30846c305d481ae6fca7b5ef74c8d6e0f2a4a76f25b6000ec254533e85ca2959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30846c305d481ae6fca7b5ef74c8d6e0f2a4a76f25b6000ec254533e85ca2959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30846c305d481ae6fca7b5ef74c8d6e0f2a4a76f25b6000ec254533e85ca2959", kill_on_drop: false }`
[INFO] [stdout] 30846c305d481ae6fca7b5ef74c8d6e0f2a4a76f25b6000ec254533e85ca2959
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c108d12fa40bdc69d7db3f3541025059efe289fa47ec222784035539482a81a8
[INFO] running `Command { std: "docker" "start" "-a" "c108d12fa40bdc69d7db3f3541025059efe289fa47ec222784035539482a81a8", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling colosseum v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "c108d12fa40bdc69d7db3f3541025059efe289fa47ec222784035539482a81a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c108d12fa40bdc69d7db3f3541025059efe289fa47ec222784035539482a81a8", kill_on_drop: false }`
[INFO] [stdout] c108d12fa40bdc69d7db3f3541025059efe289fa47ec222784035539482a81a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98828fd4fca7be3d52fcb88603b46e4827171c6cb6aac8db9915d97ca4ce3f99
[INFO] running `Command { std: "docker" "start" "-a" "98828fd4fca7be3d52fcb88603b46e4827171c6cb6aac8db9915d97ca4ce3f99", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling colosseum v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]   --> src/sync.rs:70:60
[INFO] [stdout]    |
[INFO] [stdout] 70 |     struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, DropTracker<'b>);
[INFO] [stdout]    |            ---- field in this struct                       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `2` is never read
[INFO] [stdout]   --> src/unsync.rs:62:60
[INFO] [stdout]    |
[INFO] [stdout] 62 |     struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, DropTracker<'b>);
[INFO] [stdout]    |            ---- field in this struct                       ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/sync.rs:97:13
[INFO] [stdout]    |
[INFO] [stdout] 97 |             mem::drop(node);
[INFO] [stdout]    |             ^^^^^^^^^^----^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       argument has type `&sync::test::Node<'_, '_>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 97 -             mem::drop(node);
[INFO] [stdout] 97 +             let _ = node;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]   --> src/unsync.rs:89:13
[INFO] [stdout]    |
[INFO] [stdout] 89 |             mem::drop(node);
[INFO] [stdout]    |             ^^^^^^^^^^----^
[INFO] [stdout]    |                       |
[INFO] [stdout]    |                       argument has type `&unsync::test::Node<'_, '_>`
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]    |
[INFO] [stdout] 89 -             mem::drop(node);
[INFO] [stdout] 89 +             let _ = node;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "98828fd4fca7be3d52fcb88603b46e4827171c6cb6aac8db9915d97ca4ce3f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98828fd4fca7be3d52fcb88603b46e4827171c6cb6aac8db9915d97ca4ce3f99", kill_on_drop: false }`
[INFO] [stdout] 98828fd4fca7be3d52fcb88603b46e4827171c6cb6aac8db9915d97ca4ce3f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 05cfe61f2c9d6e877f25d3debce7a12d119240e809e1608334a4805c2e8c4dca
[INFO] running `Command { std: "docker" "start" "-a" "05cfe61f2c9d6e877f25d3debce7a12d119240e809e1608334a4805c2e8c4dca", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr] warning: field `2` is never read
[INFO] [stderr]   --> src/sync.rs:70:60
[INFO] [stderr]    |
[INFO] [stderr] 70 |     struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, DropTracker<'b>);
[INFO] [stderr]    |            ---- field in this struct                       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `2` is never read
[INFO] [stderr]   --> src/unsync.rs:62:60
[INFO] [stderr]    |
[INFO] [stderr] 62 |     struct Node<'a, 'b: 'a>(Option<&'a Node<'a, 'b>>, u32, DropTracker<'b>);
[INFO] [stderr]    |            ---- field in this struct                       ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: consider removing this field
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/sync.rs:97:13
[INFO] [stderr]    |
[INFO] [stderr] 97 |             mem::drop(node);
[INFO] [stderr]    |             ^^^^^^^^^^----^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       argument has type `&sync::test::Node<'_, '_>`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dropping_references)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 97 -             mem::drop(node);
[INFO] [stderr] 97 +             let _ = node;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stderr]   --> src/unsync.rs:89:13
[INFO] [stderr]    |
[INFO] [stderr] 89 |             mem::drop(node);
[INFO] [stderr]    |             ^^^^^^^^^^----^
[INFO] [stderr]    |                       |
[INFO] [stderr]    |                       argument has type `&unsync::test::Node<'_, '_>`
[INFO] [stderr]    |
[INFO] [stderr] help: use `let _ = ...` to ignore the expression or result
[INFO] [stderr]    |
[INFO] [stderr] 89 -             mem::drop(node);
[INFO] [stderr] 89 +             let _ = node;
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `colosseum` (lib test) generated 4 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/colosseum-5f53ee8403453f67)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test sync::test::as_intended ... ok
[INFO] [stdout] test unsync::test::as_intended ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests colosseum
[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" "05cfe61f2c9d6e877f25d3debce7a12d119240e809e1608334a4805c2e8c4dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05cfe61f2c9d6e877f25d3debce7a12d119240e809e1608334a4805c2e8c4dca", kill_on_drop: false }`
[INFO] [stdout] 05cfe61f2c9d6e877f25d3debce7a12d119240e809e1608334a4805c2e8c4dca
