[INFO] fetching crate temporary-owner-rs 0.2.0...
[INFO] testing temporary-owner-rs-0.2.0 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-2
[INFO] extracting crate temporary-owner-rs 0.2.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate temporary-owner-rs 0.2.0
[INFO] finished tweaking crates.io crate temporary-owner-rs 0.2.0
[INFO] tweaked toml for crates.io crate temporary-owner-rs 0.2.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate temporary-owner-rs 0.2.0 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate temporary-owner-rs 0.2.0 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" "+562dee4820c458d823175268e41601d4c060588a" "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-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5be3474357e16764c633850bf9c7600dacfce0bc30ace888ef4506fbf30604d3
[INFO] running `Command { std: "docker" "start" "-a" "5be3474357e16764c633850bf9c7600dacfce0bc30ace888ef4506fbf30604d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5be3474357e16764c633850bf9c7600dacfce0bc30ace888ef4506fbf30604d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5be3474357e16764c633850bf9c7600dacfce0bc30ace888ef4506fbf30604d3", kill_on_drop: false }`
[INFO] [stdout] 5be3474357e16764c633850bf9c7600dacfce0bc30ace888ef4506fbf30604d3
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214c1c6a8ebdcec9638475a16e62b3e68e1e6e84b791453ca88d1f38a37d592b
[INFO] running `Command { std: "docker" "start" "-a" "214c1c6a8ebdcec9638475a16e62b3e68e1e6e84b791453ca88d1f38a37d592b", kill_on_drop: false }`
[INFO] [stderr]    Compiling temporary-owner-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:538:21
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 Err(e) =>
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:587:24
[INFO] [stdout]     |
[INFO] [stdout] 587 |             if let Err(e) = res
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_transfer` is never used
[INFO] [stdout]    --> src/lib.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 377 | impl OwnershipFlags
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 381 |     fn make_transfer() -> OwnershipFlags
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "214c1c6a8ebdcec9638475a16e62b3e68e1e6e84b791453ca88d1f38a37d592b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214c1c6a8ebdcec9638475a16e62b3e68e1e6e84b791453ca88d1f38a37d592b", kill_on_drop: false }`
[INFO] [stdout] 214c1c6a8ebdcec9638475a16e62b3e68e1e6e84b791453ca88d1f38a37d592b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fc8bf5607b6a7a0a90a43a4bcccb02c2b66c3ca61f4ab2809e72b6ef69a5067b
[INFO] running `Command { std: "docker" "start" "-a" "fc8bf5607b6a7a0a90a43a4bcccb02c2b66c3ca61f4ab2809e72b6ef69a5067b", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:538:21
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 Err(e) =>
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:587:24
[INFO] [stdout]     |
[INFO] [stdout] 587 |             if let Err(e) = res
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_transfer` is never used
[INFO] [stdout]    --> src/lib.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 377 | impl OwnershipFlags
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 381 |     fn make_transfer() -> OwnershipFlags
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling temporary-owner-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:538:21
[INFO] [stdout]     |
[INFO] [stdout] 538 |                 Err(e) =>
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/lib.rs:587:24
[INFO] [stdout]     |
[INFO] [stdout] 587 |             if let Err(e) = res
[INFO] [stdout]     |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]     --> src/lib.rs:1251:31
[INFO] [stdout]      |
[INFO] [stdout] 1251 |         owner.clear_poisoned(|v| {}).unwrap();
[INFO] [stdout]      |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `make_transfer` is never used
[INFO] [stdout]    --> src/lib.rs:381:8
[INFO] [stdout]     |
[INFO] [stdout] 377 | impl OwnershipFlags
[INFO] [stdout]     | ------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 381 |     fn make_transfer() -> OwnershipFlags
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "fc8bf5607b6a7a0a90a43a4bcccb02c2b66c3ca61f4ab2809e72b6ef69a5067b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc8bf5607b6a7a0a90a43a4bcccb02c2b66c3ca61f4ab2809e72b6ef69a5067b", kill_on_drop: false }`
[INFO] [stdout] fc8bf5607b6a7a0a90a43a4bcccb02c2b66c3ca61f4ab2809e72b6ef69a5067b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2350db732d4bec7df6789f8faf0c38cb46ef13fcd67cceabbd87f629be21cb12
[INFO] running `Command { std: "docker" "start" "-a" "2350db732d4bec7df6789f8faf0c38cb46ef13fcd67cceabbd87f629be21cb12", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:538:21
[INFO] [stderr]     |
[INFO] [stderr] 538 |                 Err(e) =>
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]    --> src/lib.rs:587:24
[INFO] [stderr]     |
[INFO] [stderr] 587 |             if let Err(e) = res
[INFO] [stderr]     |                        ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `make_transfer` is never used
[INFO] [stderr]    --> src/lib.rs:381:8
[INFO] [stderr]     |
[INFO] [stderr] 377 | impl OwnershipFlags
[INFO] [stderr]     | ------------------- associated function in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 381 |     fn make_transfer() -> OwnershipFlags
[INFO] [stderr]     |        ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `temporary-owner-rs` (lib) generated 3 warnings (run `cargo fix --lib -p temporary-owner-rs` to apply 2 suggestions)
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]     --> src/lib.rs:1251:31
[INFO] [stderr]      |
[INFO] [stderr] 1251 |         owner.clear_poisoned(|v| {}).unwrap();
[INFO] [stderr]      |                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stderr] 
[INFO] [stderr] warning: `temporary-owner-rs` (lib test) generated 4 warnings (3 duplicates) (run `cargo fix --lib -p temporary-owner-rs --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/temporary_owner_rs-5e8c9d5cba0b98a6)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test::test_a1 ... ok
[INFO] [stdout] test test::test_a2 - should panic ... ok
[INFO] [stderr]    Doc-tests temporary_owner_rs
[INFO] [stdout] test test::test_a3 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.01s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 85) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.47s; merged doctests compilation took 0.47s
[INFO] running `Command { std: "docker" "inspect" "2350db732d4bec7df6789f8faf0c38cb46ef13fcd67cceabbd87f629be21cb12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2350db732d4bec7df6789f8faf0c38cb46ef13fcd67cceabbd87f629be21cb12", kill_on_drop: false }`
[INFO] [stdout] 2350db732d4bec7df6789f8faf0c38cb46ef13fcd67cceabbd87f629be21cb12