[INFO] fetching crate tap-harness 0.3.0...
[INFO] testing tap-harness-0.3.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate tap-harness 0.3.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate tap-harness 0.3.0
[INFO] finished tweaking crates.io crate tap-harness 0.3.0
[INFO] tweaked toml for crates.io crate tap-harness 0.3.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tap-harness 0.3.0 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "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" "+beta-2026-04-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aeb0ec1eb6ceac89b616ce2a2034d8a8b602c662a22f0bd2b98ce45001c3e110
[INFO] running `Command { std: "docker" "start" "-a" "aeb0ec1eb6ceac89b616ce2a2034d8a8b602c662a22f0bd2b98ce45001c3e110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aeb0ec1eb6ceac89b616ce2a2034d8a8b602c662a22f0bd2b98ce45001c3e110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aeb0ec1eb6ceac89b616ce2a2034d8a8b602c662a22f0bd2b98ce45001c3e110", kill_on_drop: false }`
[INFO] [stdout] aeb0ec1eb6ceac89b616ce2a2034d8a8b602c662a22f0bd2b98ce45001c3e110
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 878d5bfa8888dac2046230bdc8a76feeeb171f4ea91f9456da9a171a1c1f29e3
[INFO] running `Command { std: "docker" "start" "-a" "878d5bfa8888dac2046230bdc8a76feeeb171f4ea91f9456da9a171a1c1f29e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling testanything v0.4.3
[INFO] [stderr]    Compiling tap-harness v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 |   private_in_public,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "878d5bfa8888dac2046230bdc8a76feeeb171f4ea91f9456da9a171a1c1f29e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "878d5bfa8888dac2046230bdc8a76feeeb171f4ea91f9456da9a171a1c1f29e3", kill_on_drop: false }`
[INFO] [stdout] 878d5bfa8888dac2046230bdc8a76feeeb171f4ea91f9456da9a171a1c1f29e3
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aabe012ccd8e5d9d765ba476fcc4ffbefb79b67192dcd033350e992a436dc95b
[INFO] running `Command { std: "docker" "start" "-a" "aabe012ccd8e5d9d765ba476fcc4ffbefb79b67192dcd033350e992a436dc95b", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 |   private_in_public,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tap-harness v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stdout]   --> src/lib.rs:92:3
[INFO] [stdout]    |
[INFO] [stdout] 92 |   private_in_public,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.02s
[INFO] running `Command { std: "docker" "inspect" "aabe012ccd8e5d9d765ba476fcc4ffbefb79b67192dcd033350e992a436dc95b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aabe012ccd8e5d9d765ba476fcc4ffbefb79b67192dcd033350e992a436dc95b", kill_on_drop: false }`
[INFO] [stdout] aabe012ccd8e5d9d765ba476fcc4ffbefb79b67192dcd033350e992a436dc95b
[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=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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c5b82f2d3084924b38a745b0fbb1bcbe78839a02edfe78e885e036b034d67c41
[INFO] running `Command { std: "docker" "start" "-a" "c5b82f2d3084924b38a745b0fbb1bcbe78839a02edfe78e885e036b034d67c41", kill_on_drop: false }`
[INFO] [stderr] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stderr]   --> src/lib.rs:92:3
[INFO] [stderr]    |
[INFO] [stderr] 92 |   private_in_public,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tap-harness` (lib) generated 1 warning
[INFO] [stderr] warning: `tap-harness` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tap_harness-e5bc46e54021fc3c)
[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 tap_harness
[INFO] [stderr] warning: lint `private_in_public` has been removed: replaced with another group of lints, see RFC <https://rust-lang.github.io/rfcs/2145-type-privacy.html> for more information
[INFO] [stderr]   --> src/lib.rs:92:3
[INFO] [stderr]    |
[INFO] [stderr] 92 |   private_in_public,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:12:41
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let mut runner = TestRunner::new(Some("My test"));
[INFO] [stdout]    |                                    ---- ^^^^^^^^^ expected `String`, found `&str`
[INFO] [stdout]    |                                    |
[INFO] [stdout]    |                                    arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `&'static str` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:12:36
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let mut runner = TestRunner::new(Some("My test"));
[INFO] [stdout]    |                                    ^^^^^---------^
[INFO] [stdout]    |                                         |
[INFO] [stdout]    |                                         this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/option.rs:608:4
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout] 12 |   let mut runner = TestRunner::new(Some("My test".to_string()));
[INFO] [stdout]    |                                                  ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/lib.rs:14:39
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let mut block = TestBlock::new(Some("My block"));
[INFO] [stdout]    |                                  ---- ^^^^^^^^^^ expected `String`, found `&str`
[INFO] [stdout]    |                                  |
[INFO] [stdout]    |                                  arguments to this enum variant are incorrect
[INFO] [stdout]    |
[INFO] [stdout] help: the type constructed contains `&'static str` due to the type of the argument passed
[INFO] [stdout]   --> src/lib.rs:14:34
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let mut block = TestBlock::new(Some("My block"));
[INFO] [stdout]    |                                  ^^^^^----------^
[INFO] [stdout]    |                                       |
[INFO] [stdout]    |                                       this argument influences the type of `Some`
[INFO] [stdout] note: tuple variant defined here
[INFO] [stdout]   --> /rustc/8489f1adbe1c8f8921cf18b9962cf565237a5489/library/core/src/option.rs:608:4
[INFO] [stdout] help: try using a conversion method
[INFO] [stdout]    |
[INFO] [stdout] 14 |   let mut block = TestBlock::new(Some("My block".to_string()));
[INFO] [stdout]    |                                                 ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c5b82f2d3084924b38a745b0fbb1bcbe78839a02edfe78e885e036b034d67c41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5b82f2d3084924b38a745b0fbb1bcbe78839a02edfe78e885e036b034d67c41", kill_on_drop: false }`
[INFO] [stdout] c5b82f2d3084924b38a745b0fbb1bcbe78839a02edfe78e885e036b034d67c41
