[INFO] fetching crate just-string 2025.12.8...
[INFO] testing just-string-2025.12.8 against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] extracting crate just-string 2025.12.8 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate just-string 2025.12.8
[INFO] finished tweaking crates.io crate just-string 2025.12.8
[INFO] tweaked toml for crates.io crate just-string 2025.12.8 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate just-string 2025.12.8 on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate just-string 2025.12.8 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23de56816ae7363fdf11ccf49d2f46f67fe5085248876c46cd748cac6d24ed3b
[INFO] running `Command { std: "docker" "start" "-a" "23de56816ae7363fdf11ccf49d2f46f67fe5085248876c46cd748cac6d24ed3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "23de56816ae7363fdf11ccf49d2f46f67fe5085248876c46cd748cac6d24ed3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23de56816ae7363fdf11ccf49d2f46f67fe5085248876c46cd748cac6d24ed3b", kill_on_drop: false }`
[INFO] [stdout] 23de56816ae7363fdf11ccf49d2f46f67fe5085248876c46cd748cac6d24ed3b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6634ffbfd2b3e3c7625beea8093ac68849fb40b0b3e7cb11ec6aede1a9d2f802
[INFO] running `Command { std: "docker" "start" "-a" "6634ffbfd2b3e3c7625beea8093ac68849fb40b0b3e7cb11ec6aede1a9d2f802", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling just-string v2025.12.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.73s
[INFO] running `Command { std: "docker" "inspect" "6634ffbfd2b3e3c7625beea8093ac68849fb40b0b3e7cb11ec6aede1a9d2f802", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6634ffbfd2b3e3c7625beea8093ac68849fb40b0b3e7cb11ec6aede1a9d2f802", kill_on_drop: false }`
[INFO] [stdout] 6634ffbfd2b3e3c7625beea8093ac68849fb40b0b3e7cb11ec6aede1a9d2f802
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b40b1e8bfb37249ceebcc0c9f0d701cfe9c76a01c2506f2d78f91cf59b1c0c57
[INFO] running `Command { std: "docker" "start" "-a" "b40b1e8bfb37249ceebcc0c9f0d701cfe9c76a01c2506f2d78f91cf59b1c0c57", kill_on_drop: false }`
[INFO] [stderr]    Compiling just-string v2025.12.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "b40b1e8bfb37249ceebcc0c9f0d701cfe9c76a01c2506f2d78f91cf59b1c0c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b40b1e8bfb37249ceebcc0c9f0d701cfe9c76a01c2506f2d78f91cf59b1c0c57", kill_on_drop: false }`
[INFO] [stdout] b40b1e8bfb37249ceebcc0c9f0d701cfe9c76a01c2506f2d78f91cf59b1c0c57
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c4cca14595f14dc65b72dd47f2b94bb65dc9308914fa4c9e660dd05a8a3b96b3
[INFO] running `Command { std: "docker" "start" "-a" "c4cca14595f14dc65b72dd47f2b94bb65dc9308914fa4c9e660dd05a8a3b96b3", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/just_string-2bc99e6bdfa1c5e4)
[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 just_string
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/../README.md - (line 12) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/../README.md - (line 12) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `Cow` in this scope
[INFO] [stdout]   --> src/../README.md:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     CowStr(Cow<'a, str>),
[INFO] [stdout]    |            ^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing this enum
[INFO] [stdout]    |
[INFO] [stdout] 12 + use std::borrow::Cow;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/../README.md - (line 12)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.09s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.19s; merged doctests compilation took 0.10s
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "c4cca14595f14dc65b72dd47f2b94bb65dc9308914fa4c9e660dd05a8a3b96b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4cca14595f14dc65b72dd47f2b94bb65dc9308914fa4c9e660dd05a8a3b96b3", kill_on_drop: false }`
[INFO] [stdout] c4cca14595f14dc65b72dd47f2b94bb65dc9308914fa4c9e660dd05a8a3b96b3
