[INFO] fetching crate playfair_cipher 1.0.5...
[INFO] testing playfair_cipher-1.0.5 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate playfair_cipher 1.0.5 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate playfair_cipher 1.0.5
[INFO] finished tweaking crates.io crate playfair_cipher 1.0.5
[INFO] tweaked toml for crates.io crate playfair_cipher 1.0.5 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate playfair_cipher 1.0.5 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_cipher 1.0.5 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 624703b93da66f7c0405950f180ed591f2f3ec0108efbc6e2ab42aef57a0cc4f
[INFO] running `Command { std: "docker" "start" "-a" "624703b93da66f7c0405950f180ed591f2f3ec0108efbc6e2ab42aef57a0cc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "624703b93da66f7c0405950f180ed591f2f3ec0108efbc6e2ab42aef57a0cc4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "624703b93da66f7c0405950f180ed591f2f3ec0108efbc6e2ab42aef57a0cc4f", kill_on_drop: false }`
[INFO] [stdout] 624703b93da66f7c0405950f180ed591f2f3ec0108efbc6e2ab42aef57a0cc4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6cc197f56f7c1f1e9f9afbcf34776da1b79454447665d7f3f2d8f6cf0c87027f
[INFO] running `Command { std: "docker" "start" "-a" "6cc197f56f7c1f1e9f9afbcf34776da1b79454447665d7f3f2d8f6cf0c87027f", kill_on_drop: false }`
[INFO] [stderr]    Compiling playfair_cipher v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/playfair.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "6cc197f56f7c1f1e9f9afbcf34776da1b79454447665d7f3f2d8f6cf0c87027f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cc197f56f7c1f1e9f9afbcf34776da1b79454447665d7f3f2d8f6cf0c87027f", kill_on_drop: false }`
[INFO] [stdout] 6cc197f56f7c1f1e9f9afbcf34776da1b79454447665d7f3f2d8f6cf0c87027f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ec810fc1013dec60258c868788ca23862effc5d830a2525e2c19db9d323e9cb6
[INFO] running `Command { std: "docker" "start" "-a" "ec810fc1013dec60258c868788ca23862effc5d830a2525e2c19db9d323e9cb6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling getrandom v0.3.3
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]    Compiling serde_json v1.0.141
[INFO] [stderr]    Compiling anstyle v1.0.11
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling clap_lex v0.7.5
[INFO] [stderr]    Compiling regex-automata v0.4.9
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/playfair.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling clap_builder v4.5.41
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling rand_core v0.9.3
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling clap v4.5.41
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.6.0
[INFO] [stderr]    Compiling playfair_cipher v1.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/playfair.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::collections::HashMap;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 23.69s
[INFO] running `Command { std: "docker" "inspect" "ec810fc1013dec60258c868788ca23862effc5d830a2525e2c19db9d323e9cb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec810fc1013dec60258c868788ca23862effc5d830a2525e2c19db9d323e9cb6", kill_on_drop: false }`
[INFO] [stdout] ec810fc1013dec60258c868788ca23862effc5d830a2525e2c19db9d323e9cb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 1698acfd81543c3cbd4fb4f3958b1b4414e079a34bbbe6b547471521471f6e30
[INFO] running `Command { std: "docker" "start" "-a" "1698acfd81543c3cbd4fb4f3958b1b4414e079a34bbbe6b547471521471f6e30", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]   --> src/playfair.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use std::collections::HashMap;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `playfair_cipher` (lib) generated 1 warning (run `cargo fix --lib -p playfair_cipher` to apply 1 suggestion)
[INFO] [stderr] warning: `playfair_cipher` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/playfair_cipher-7b704a2bed5ccd3e)
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test four_square::tests::test_four_square_creation_key ... ok
[INFO] [stdout] test four_square::tests::test_four_square_encrypt ... ok
[INFO] [stdout] test playfair::tests::test_crypt_square ... ok
[INFO] [stdout] test playfair::tests::test_encrypt_square_rule_one_char ... ok
[INFO] [stdout] test playfair::tests::test_key_gen_empty_key ... ok
[INFO] [stdout] test playfair::tests::test_key_gen_seecretisjj ... ok
[INFO] [stdout] test playfair::tests::test_encrypt ... ok
[INFO] [stdout] test playfair::tests::test_key_gen_simple ... ok
[INFO] [stdout] test playfair::tests::test_key_gen_zxy_and_so_on ... ok
[INFO] [stdout] test playfair::tests::test_payload_6_to_6 ... ok
[INFO] [stdout] test playfair::tests::test_key_gen_seecretisjj_6_to_6 ... ok
[INFO] [stdout] test two_square::tests::test_two_square_6_to_6_encrypt ... ok
[INFO] [stdout] test two_square::tests::test_two_square_decrypt_second ... ok
[INFO] [stdout] test two_square::tests::test_two_square_creation_key ... ok
[INFO] [stdout] test playfair::tests::test_key_gen_empty_key_6_to_6 ... ok
[INFO] [stdout] test playfair::tests::test_position_map ... ok
[INFO] [stdout] test playfair::tests::test_crypt_row ... ok
[INFO] [stdout] test playfair::tests::test_payload ... ok
[INFO] [stdout] test two_square::tests::test_two_square_decrypt ... ok
[INFO] [stdout] test playfair::tests::test_crypt_column ... ok
[INFO] [stdout] test two_square::tests::test_two_square_6_to_6_decrypt ... ok
[INFO] [stdout] test four_square::tests::test_four_square_decrypt_6_to_6 ... ok
[INFO] [stdout] test four_square::tests::test_four_square_decrypt ... ok
[INFO] [stdout] test playfair::tests::test_iterator ... ok
[INFO] [stdout] test two_square::tests::test_two_square_encrypt ... ok
[INFO] [stdout] test two_square::tests::test_two_square_encrypt_second ... ok
[INFO] [stdout] test four_square::tests::test_four_square_encrypt_6_to_6 ... ok
[INFO] [stdout] test playfair::tests::test_decrypt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests playfair_cipher
[INFO] [stdout] 
[INFO] [stdout] running 18 tests
[INFO] [stdout] test src/playfair.rs - playfair::PlayFairKey::decrypt (line 366) ... ok
[INFO] [stdout] test src/two_square.rs - two_square::TwoSquare::encrypt (line 170) ... ok
[INFO] [stdout] test src/four_square.rs - four_square::FourSquare::decrypt (line 227) ... ok
[INFO] [stdout] test src/two_square.rs - two_square::TwoSquare::decrypt (line 192) ... ok
[INFO] [stdout] test src/playfair.rs - playfair::PlayFairKey::encrypt (line 329) ... ok
[INFO] [stdout] test src/four_square.rs - four_square::FourSquare::new_5_to_5 (line 45) ... ok
[INFO] [stdout] test src/four_square.rs - four_square::FourSquare::encrypt (line 191) ... ok
[INFO] [stdout] test src/playfair.rs - playfair::PlayFairKey::new_6_to_6 (line 58) ... ok
[INFO] [stdout] test src/four_square.rs - four_square::FourSquare::new_6_to_6 (line 64) ... ok
[INFO] [stdout] test src/playfair.rs - playfair::PlayFairKey::encrypt (line 344) ... ok
[INFO] [stdout] test src/playfair.rs - playfair::PlayFairKey::new_5_to_5 (line 43) ... ok
[INFO] [stdout] test src/playfair.rs - playfair::PlayFairKey::decrypt (line 383) ... ok
[INFO] [stdout] test src/two_square.rs - two_square::TwoSquare::new_6_to_6 (line 60) ... ok
[INFO] [stdout] test src/two_square.rs - two_square::TwoSquare::encrypt (line 156) ... ok
[INFO] [stdout] test src/four_square.rs - four_square::FourSquare::decrypt (line 213) ... ok
[INFO] [stdout] test src/four_square.rs - four_square::FourSquare::encrypt (line 176) ... ok
[INFO] [stdout] test src/two_square.rs - two_square::TwoSquare::new_5_to_5 (line 42) ... ok
[INFO] [stdout] test src/two_square.rs - two_square::TwoSquare::decrypt (line 206) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 18 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.87s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1698acfd81543c3cbd4fb4f3958b1b4414e079a34bbbe6b547471521471f6e30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1698acfd81543c3cbd4fb4f3958b1b4414e079a34bbbe6b547471521471f6e30", kill_on_drop: false }`
[INFO] [stdout] 1698acfd81543c3cbd4fb4f3958b1b4414e079a34bbbe6b547471521471f6e30
