[INFO] fetching crate playfair 1.0.0...
[INFO] testing playfair-1.0.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate playfair 1.0.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate playfair 1.0.0
[INFO] finished tweaking crates.io crate playfair 1.0.0
[INFO] tweaked toml for crates.io crate playfair 1.0.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate playfair 1.0.0 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] crate crates.io crate playfair 1.0.0 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" "+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-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-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8dce2ec4ba6b4ef1516264c4d5f3ae072a9d04da6fdb02493f088be6afdd7b46
[INFO] running `Command { std: "docker" "start" "-a" "8dce2ec4ba6b4ef1516264c4d5f3ae072a9d04da6fdb02493f088be6afdd7b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8dce2ec4ba6b4ef1516264c4d5f3ae072a9d04da6fdb02493f088be6afdd7b46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8dce2ec4ba6b4ef1516264c4d5f3ae072a9d04da6fdb02493f088be6afdd7b46", kill_on_drop: false }`
[INFO] [stdout] 8dce2ec4ba6b4ef1516264c4d5f3ae072a9d04da6fdb02493f088be6afdd7b46
[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-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b409b0007ce9b254df8f184d2db156ac6a88d7929a5d09268679e837d2b9de16
[INFO] running `Command { std: "docker" "start" "-a" "b409b0007ce9b254df8f184d2db156ac6a88d7929a5d09268679e837d2b9de16", kill_on_drop: false }`
[INFO] [stderr]    Compiling playfair v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "b409b0007ce9b254df8f184d2db156ac6a88d7929a5d09268679e837d2b9de16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b409b0007ce9b254df8f184d2db156ac6a88d7929a5d09268679e837d2b9de16", kill_on_drop: false }`
[INFO] [stdout] b409b0007ce9b254df8f184d2db156ac6a88d7929a5d09268679e837d2b9de16
[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-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e748c4189bf0720a38b5c4bbbeced88899a9752ceb60ac3583a80f171c9d393
[INFO] running `Command { std: "docker" "start" "-a" "8e748c4189bf0720a38b5c4bbbeced88899a9752ceb60ac3583a80f171c9d393", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.49
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.152
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling serde v1.0.152
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling indexmap v1.9.2
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.91
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling ciborium-io v0.2.0
[INFO] [stderr]    Compiling ryu v1.0.12
[INFO] [stderr]    Compiling plotters-backend v0.3.4
[INFO] [stderr]    Compiling itoa v1.0.5
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling textwrap v0.16.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling plotters-svg v0.3.3
[INFO] [stderr]    Compiling num_cpus v1.15.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling ciborium-ll v0.2.0
[INFO] [stderr]    Compiling crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling clap v3.2.23
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling rayon v1.6.1
[INFO] [stderr]    Compiling plotters v0.3.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling ciborium v0.2.0
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling playfair v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 26.92s
[INFO] running `Command { std: "docker" "inspect" "8e748c4189bf0720a38b5c4bbbeced88899a9752ceb60ac3583a80f171c9d393", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e748c4189bf0720a38b5c4bbbeced88899a9752ceb60ac3583a80f171c9d393", kill_on_drop: false }`
[INFO] [stdout] 8e748c4189bf0720a38b5c4bbbeced88899a9752ceb60ac3583a80f171c9d393
[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-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0dac062b887f4d0592f882577bef7a54f91e6bc0b531cf1ec13878d653578cf
[INFO] running `Command { std: "docker" "start" "-a" "e0dac062b887f4d0592f882577bef7a54f91e6bc0b531cf1ec13878d653578cf", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/playfair-36d13079f8f5359e)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test tests::test_bigramming_wiki ... ok
[INFO] [stdout] test tests::test_bigraming_odd_length ... ok
[INFO] [stdout] test tests::test_bigraming_even_length ... ok
[INFO] [stdout] test tests::test_finding_in_matrix ... ok
[INFO] [stdout] test tests::test_getting_keyword_pf_struct ... ok
[INFO] [stdout] test tests::test_keyword_no_dups ... ok
[INFO] [stdout] test tests::test_keyword_weird_input ... ok
[INFO] [stdout] test tests::test_keyword_wiki_example ... ok
[INFO] [stdout] test tests::test_matrix_generation ... ok
[INFO] [stdout] test tests::test_finding_i_j_equivalence ... ok
[INFO] [stdout] test tests::test_updating_keyword ... ok
[INFO] [stdout] test tests::test_keyword_one_letter_input ... ok
[INFO] [stdout] test tests::test_keyword_with_dups ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 13 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/playfair-a423030832f83415)
[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/playfair_tests.rs (/opt/rustwide/target/debug/deps/playfair_tests-59ae99abdac00584)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_playfair_wiki ... ok
[INFO] [stdout] test test_updating_keyword ... ok
[INFO] [stdout] test test_is_and_js_included ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests playfair
[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" "e0dac062b887f4d0592f882577bef7a54f91e6bc0b531cf1ec13878d653578cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0dac062b887f4d0592f882577bef7a54f91e6bc0b531cf1ec13878d653578cf", kill_on_drop: false }`
[INFO] [stdout] e0dac062b887f4d0592f882577bef7a54f91e6bc0b531cf1ec13878d653578cf
