[INFO] fetching crate kctf 1.0.1...
[INFO] testing kctf-1.0.1 against 1.95.0 for beta-1.96-1
[INFO] extracting crate kctf 1.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate kctf 1.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate kctf 1.0.1
[INFO] tweaked toml for crates.io crate kctf 1.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate kctf 1.0.1 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate kctf 1.0.1 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded adler2 v2.0.0
[INFO] [stderr]   Downloaded tokio-macros v2.4.0
[INFO] [stderr]   Downloaded miniz_oxide v0.8.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.99
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.99
[INFO] [stderr]   Downloaded anstyle v1.0.10
[INFO] [stderr]   Downloaded oorandom v11.1.4
[INFO] [stderr]   Downloaded pin-project-lite v0.2.15
[INFO] [stderr]   Downloaded clap_lex v0.7.4
[INFO] [stderr]   Downloaded kctf-pow v1.2.0
[INFO] [stderr]   Downloaded anes v0.1.6
[INFO] [stderr]   Downloaded criterion-plot v0.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.99
[INFO] [stderr]   Downloaded addr2line v0.24.2
[INFO] [stderr]   Downloaded clap v4.5.23
[INFO] [stderr]   Downloaded js-sys v0.3.76
[INFO] [stderr]   Downloaded backtrace v0.3.74
[INFO] [stderr]   Downloaded criterion v0.5.1
[INFO] [stderr]   Downloaded serde v1.0.216
[INFO] [stderr]   Downloaded serde_derive v1.0.216
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.99
[INFO] [stderr]   Downloaded clap_builder v4.5.23
[INFO] [stderr]   Downloaded serde_json v1.0.134
[INFO] [stderr]   Downloaded either v1.13.0
[INFO] [stderr]   Downloaded hermit-abi v0.4.0
[INFO] [stderr]   Downloaded is-terminal v0.4.13
[INFO] [stderr]   Downloaded object v0.36.7
[INFO] [stderr]   Downloaded gimli v0.31.1
[INFO] [stderr]   Downloaded syn v2.0.91
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.99
[INFO] [stderr]   Downloaded itoa v1.0.14
[INFO] [stderr]   Downloaded rug v1.26.1
[INFO] [stderr]   Downloaded web-sys v0.3.76
[INFO] [stderr]   Downloaded libc v0.2.169
[INFO] [stderr]   Downloaded tokio v1.42.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 25eae97b187dbf745d111c8d8bf480f4922952e813e89289df4711d5be9396a7
[INFO] running `Command { std: "docker" "start" "-a" "25eae97b187dbf745d111c8d8bf480f4922952e813e89289df4711d5be9396a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25eae97b187dbf745d111c8d8bf480f4922952e813e89289df4711d5be9396a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25eae97b187dbf745d111c8d8bf480f4922952e813e89289df4711d5be9396a7", kill_on_drop: false }`
[INFO] [stdout] 25eae97b187dbf745d111c8d8bf480f4922952e813e89289df4711d5be9396a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4652f029aaf507cc9074653ba64e7e4b95c80d5f67de7b8b58d343a3cdaaf0e7
[INFO] running `Command { std: "docker" "start" "-a" "4652f029aaf507cc9074653ba64e7e4b95c80d5f67de7b8b58d343a3cdaaf0e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling kctf v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4m 55s
[INFO] running `Command { std: "docker" "inspect" "4652f029aaf507cc9074653ba64e7e4b95c80d5f67de7b8b58d343a3cdaaf0e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4652f029aaf507cc9074653ba64e7e4b95c80d5f67de7b8b58d343a3cdaaf0e7", kill_on_drop: false }`
[INFO] [stdout] 4652f029aaf507cc9074653ba64e7e4b95c80d5f67de7b8b58d343a3cdaaf0e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c7b528dbc71514f391948d5b5f344b639d8fb9e5f6c276339f83094b126272a
[INFO] running `Command { std: "docker" "start" "-a" "5c7b528dbc71514f391948d5b5f344b639d8fb9e5f6c276339f83094b126272a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.134
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling half v2.4.1
[INFO] [stderr]    Compiling plotters-backend v0.3.7
[INFO] [stderr]    Compiling anstyle v1.0.10
[INFO] [stderr]    Compiling itoa v1.0.14
[INFO] [stderr]    Compiling clap_lex v0.7.4
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling syn v2.0.91
[INFO] [stderr]    Compiling ciborium-io v0.2.2
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cast v0.3.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling plotters-svg v0.3.7
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.15
[INFO] [stderr]    Compiling anes v0.1.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling oorandom v11.1.4
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling rayon v1.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling getrandom v0.2.15
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.4
[INFO] [stderr]    Compiling is-terminal v0.4.13
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rug v1.26.1
[INFO] [stderr]    Compiling plotters v0.3.7
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]    Compiling zerocopy v0.7.35
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling tokio v1.42.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.20
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling kctf v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling kctf-pow v1.2.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 36.08s
[INFO] running `Command { std: "docker" "inspect" "5c7b528dbc71514f391948d5b5f344b639d8fb9e5f6c276339f83094b126272a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c7b528dbc71514f391948d5b5f344b639d8fb9e5f6c276339f83094b126272a", kill_on_drop: false }`
[INFO] [stdout] 5c7b528dbc71514f391948d5b5f344b639d8fb9e5f6c276339f83094b126272a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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=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" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7ba8e11bc496b4c78d9377ce156d4d41510ad2a489acab27674a7e529a2ca3dc
[INFO] running `Command { std: "docker" "start" "-a" "7ba8e11bc496b4c78d9377ce156d4d41510ad2a489acab27674a7e529a2ca3dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/kctf-509b9569946a5a78)
[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 unittests src/main.rs (/opt/rustwide/target/debug/deps/kctf-db8a4642082845cc)
[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/kctf_tests.rs (/opt/rustwide/target/debug/deps/kctf_tests-a54a1055cab15386)
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test tests::bad_challenge_bad_format ... ok
[INFO] [stdout] test tests::bad_challenge_large_difficulty ... ok
[INFO] [stdout] test tests::bad_challenge_unknown_version ... ok
[INFO] [stdout] test tests::async_verify ... ok
[INFO] [stdout] test tests::bad_challenge_decode_error ... ok
[INFO] [stdout] test tests::verify_google_kctf_challenge ... ok
[INFO] [stdout] test tests::async_self_test_50 ... ok
[INFO] [stdout] test tests::self_test_difficulty_50 ... ok
[INFO] [stdout] test tests::expensive_google_kctf_challenge ... ok
[INFO] [stdout] test tests::self_test_difficulty_1337 ... ok
[INFO] [stdout] test tests::expensive_self_test_difficulty_31337 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 33.40s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests kctf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 3) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.95s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7ba8e11bc496b4c78d9377ce156d4d41510ad2a489acab27674a7e529a2ca3dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba8e11bc496b4c78d9377ce156d4d41510ad2a489acab27674a7e529a2ca3dc", kill_on_drop: false }`
[INFO] [stdout] 7ba8e11bc496b4c78d9377ce156d4d41510ad2a489acab27674a7e529a2ca3dc