[INFO] fetching crate visit-rs 0.1.9...
[INFO] testing visit-rs-0.1.9 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate visit-rs 0.1.9 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate visit-rs 0.1.9
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate visit-rs 0.1.9
[INFO] tweaked toml for crates.io crate visit-rs 0.1.9 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate visit-rs 0.1.9 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate visit-rs 0.1.9 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 99867e4e8c2b859936552c8a6dc2af4fbb163a0def7cbbb12b7e477011c23a41
[INFO] running `Command { std: "docker" "start" "-a" "99867e4e8c2b859936552c8a6dc2af4fbb163a0def7cbbb12b7e477011c23a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99867e4e8c2b859936552c8a6dc2af4fbb163a0def7cbbb12b7e477011c23a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99867e4e8c2b859936552c8a6dc2af4fbb163a0def7cbbb12b7e477011c23a41", kill_on_drop: false }`
[INFO] [stdout] 99867e4e8c2b859936552c8a6dc2af4fbb163a0def7cbbb12b7e477011c23a41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3857b777633fbf1954841d86fb5218a02a543eaaaf4f573be94e60ab28685fd5
[INFO] running `Command { std: "docker" "start" "-a" "3857b777633fbf1954841d86fb5218a02a543eaaaf4f573be94e60ab28685fd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling futures-core v0.3.31
[INFO] [stderr]    Compiling futures-sink v0.3.31
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling slab v0.4.11
[INFO] [stderr]    Compiling futures-task v0.3.31
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling futures-io v0.3.31
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-channel v0.3.31
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling visit-rs-derive v0.1.7
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.31
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling futures v0.3.31
[INFO] [stderr]    Compiling visit-rs v0.1.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.38s
[INFO] running `Command { std: "docker" "inspect" "3857b777633fbf1954841d86fb5218a02a543eaaaf4f573be94e60ab28685fd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3857b777633fbf1954841d86fb5218a02a543eaaaf4f573be94e60ab28685fd5", kill_on_drop: false }`
[INFO] [stdout] 3857b777633fbf1954841d86fb5218a02a543eaaaf4f573be94e60ab28685fd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a60d1b516817e4d90d1a357638647e56907b58111a1e3ef79fb52dd70df9e8cb
[INFO] running `Command { std: "docker" "start" "-a" "a60d1b516817e4d90d1a357638647e56907b58111a1e3ef79fb52dd70df9e8cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling cfg-if v1.0.3
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling scopeguard v1.2.0
[INFO] [stderr]    Compiling bytes v1.10.1
[INFO] [stderr]    Compiling tokio-macros v2.6.0
[INFO] [stderr]    Compiling lock_api v0.4.14
[INFO] [stderr]    Compiling socket2 v0.6.1
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.6
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tokio v1.48.0
[INFO] [stderr]    Compiling visit-rs v0.1.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> tests/enum.rs:137:13
[INFO] [stdout]     |
[INFO] [stdout] 137 |             write!(&mut visitor.0, "{name}:");
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 137 |             let _ = write!(&mut visitor.0, "{name}:");
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 14.30s
[INFO] running `Command { std: "docker" "inspect" "a60d1b516817e4d90d1a357638647e56907b58111a1e3ef79fb52dd70df9e8cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a60d1b516817e4d90d1a357638647e56907b58111a1e3ef79fb52dd70df9e8cb", kill_on_drop: false }`
[INFO] [stdout] a60d1b516817e4d90d1a357638647e56907b58111a1e3ef79fb52dd70df9e8cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3cf176ab4a043584c8d75cddd22b98bd9a4639694d9a78d285c2cb271a038df3
[INFO] running `Command { std: "docker" "start" "-a" "3cf176ab4a043584c8d75cddd22b98bd9a4639694d9a78d285c2cb271a038df3", kill_on_drop: false }`
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> tests/enum.rs:137:13
[INFO] [stderr]     |
[INFO] [stderr] 137 |             write!(&mut visitor.0, "{name}:");
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 137 |             let _ = write!(&mut visitor.0, "{name}:");
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `visit-rs` (test "enum") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/visit_rs-c9bc5aec1263b85f)
[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]      Running tests/enum.rs (/opt/rustwide/target/debug/deps/enum-c88003aa18ccbd57)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_enum_info ... ok
[INFO] [stdout] test test_visit_variant ... ok
[INFO] [stdout] test test_trait_bounds ... ok
[INFO] [stdout] test test_test_enum ... ok
[INFO] [stdout] test test_visit_variant_fields_static ... ok
[INFO] [stdout] test test_visit_variants_static ... ok
[INFO] [stdout] test test_visit_variant_fields ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.11s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/struct.rs (/opt/rustwide/target/debug/deps/struct-773f12c83fec1e8e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_trait_bounds ... ok
[INFO] [stdout] test test_serialize_my_struct_async ... ok
[INFO] [stdout] test test_serialize_my_generic_struct_async ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/unsized_types.rs (/opt/rustwide/target/debug/deps/unsized_types-da910c698f34b2d0)
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test test_named_static_with_unsized_slice ... ok
[INFO] [stdout] test test_named_static_with_unsized_str ... ok
[INFO] [stdout] test test_named_with_unsized_slice ... ok
[INFO] [stdout] test test_static_send_sync_with_unsized ... ok
[INFO] [stdout] test test_static_with_unsized_slice ... ok
[INFO] [stdout] test test_static_with_unsized_str ... ok
[INFO] [stdout] test test_named_with_unsized_str ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests visit_rs
[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" "3cf176ab4a043584c8d75cddd22b98bd9a4639694d9a78d285c2cb271a038df3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cf176ab4a043584c8d75cddd22b98bd9a4639694d9a78d285c2cb271a038df3", kill_on_drop: false }`
[INFO] [stdout] 3cf176ab4a043584c8d75cddd22b98bd9a4639694d9a78d285c2cb271a038df3