[INFO] fetching crate extrema 0.1.1...
[INFO] testing extrema-0.1.1 against beta-2026-03-05 for beta-1.95-1
[INFO] extracting crate extrema 0.1.1 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate extrema 0.1.1
[INFO] finished tweaking crates.io crate extrema 0.1.1
[INFO] tweaked toml for crates.io crate extrema 0.1.1 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate extrema 0.1.1 on toolchain beta-2026-03-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-03-05" "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-2026-03-05" "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" "+beta-2026-03-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2026-03-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6ae74e5c22bd7d8879ed69da205b1612590800abcde6d64f0e3d91a9d7ea4d16
[INFO] running `Command { std: "docker" "start" "-a" "6ae74e5c22bd7d8879ed69da205b1612590800abcde6d64f0e3d91a9d7ea4d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ae74e5c22bd7d8879ed69da205b1612590800abcde6d64f0e3d91a9d7ea4d16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ae74e5c22bd7d8879ed69da205b1612590800abcde6d64f0e3d91a9d7ea4d16", kill_on_drop: false }`
[INFO] [stdout] 6ae74e5c22bd7d8879ed69da205b1612590800abcde6d64f0e3d91a9d7ea4d16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2026-03-05" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 268097217dfe873b5af40d610da971d5031e8c3678791341b4fe829c9c97e6fc
[INFO] running `Command { std: "docker" "start" "-a" "268097217dfe873b5af40d610da971d5031e8c3678791341b4fe829c9c97e6fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling extrema v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "268097217dfe873b5af40d610da971d5031e8c3678791341b4fe829c9c97e6fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "268097217dfe873b5af40d610da971d5031e8c3678791341b4fe829c9c97e6fc", kill_on_drop: false }`
[INFO] [stdout] 268097217dfe873b5af40d610da971d5031e8c3678791341b4fe829c9c97e6fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2026-03-05" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 435013b7c67e77e42c728c52da3ab23804d9b73da665aaca6328df5ff68a3475
[INFO] running `Command { std: "docker" "start" "-a" "435013b7c67e77e42c728c52da3ab23804d9b73da665aaca6328df5ff68a3475", kill_on_drop: false }`
[INFO] [stderr]    Compiling extrema v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "435013b7c67e77e42c728c52da3ab23804d9b73da665aaca6328df5ff68a3475", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "435013b7c67e77e42c728c52da3ab23804d9b73da665aaca6328df5ff68a3475", kill_on_drop: false }`
[INFO] [stdout] 435013b7c67e77e42c728c52da3ab23804d9b73da665aaca6328df5ff68a3475
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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-2026-03-05" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 096f0b1be22133804f827538aaa60c6dae0c86a1654d2bfaa4f70795ce272de9
[INFO] running `Command { std: "docker" "start" "-a" "096f0b1be22133804f827538aaa60c6dae0c86a1654d2bfaa4f70795ce272de9", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/extrema-1949dc3c450c4f31)
[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 extrema
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Extrema::extrema (line 24) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 7) ... FAILED
[INFO] [stdout] test src/lib.rs - Extrema::extrema (line 32) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Extrema::extrema (line 24) stdout ----
[INFO] [stdout] error[E0599]: no method named `extrema` found for struct `Vec<{integer}>` in the current scope
[INFO] [stdout]   --> src/lib.rs:27:17
[INFO] [stdout]    |
[INFO] [stdout] 27 | let minmax = xs.extrema();
[INFO] [stdout]    |                 ^^^^^^^ method not found in `Vec<{integer}>`
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/lib.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn extrema(self) -> Option<(Self::Item, Self::Item)>;
[INFO] [stdout]    |        ------- the method is available for `Vec<{integer}>` here
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Extrema` which provides `extrema` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 23 + use crate::extrema::Extrema;
[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 E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 7) stdout ----
[INFO] [stdout] error[E0425]: cannot find type `HashSet` in this scope
[INFO] [stdout]  --> src/lib.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | let my_set: HashSet<i32> = (1..300).collect();
[INFO] [stdout]   |             ^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this struct
[INFO] [stdout]   |
[INFO] [stdout] 6 + use std::collections::HashSet;
[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] ---- src/lib.rs - Extrema::extrema (line 32) stdout ----
[INFO] [stdout] error[E0599]: no method named `extrema` found for reference `&Vec<{integer}>` in the current scope
[INFO] [stdout]   --> src/lib.rs:35:20
[INFO] [stdout]    |
[INFO] [stdout] 35 | let minmax = (&xs).extrema(); // or xs[..].extrema(), xs.iter().extrema()  
[INFO] [stdout]    |                    ^^^^^^^ method not found in `&Vec<{integer}>`
[INFO] [stdout]    |
[INFO] [stdout]    = help: items from traits can only be used if the trait is in scope
[INFO] [stdout] help: trait `Extrema` which provides `extrema` is implemented but not in scope; perhaps you want to import it
[INFO] [stdout]    |
[INFO] [stdout] 31 + use crate::extrema::Extrema;
[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 E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 7)
[INFO] [stdout]     src/lib.rs - Extrema::extrema (line 24)
[INFO] [stdout]     src/lib.rs - Extrema::extrema (line 32)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 3 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.15s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "096f0b1be22133804f827538aaa60c6dae0c86a1654d2bfaa4f70795ce272de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "096f0b1be22133804f827538aaa60c6dae0c86a1654d2bfaa4f70795ce272de9", kill_on_drop: false }`
[INFO] [stdout] 096f0b1be22133804f827538aaa60c6dae0c86a1654d2bfaa4f70795ce272de9
