[INFO] cloning repository https://github.com/00Masato/classical_cipher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/00Masato/classical_cipher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F00Masato%2Fclassical_cipher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F00Masato%2Fclassical_cipher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dbfb9ea183bea7fe2397527471a614d1b332ed6a
[INFO] testing 00Masato/classical_cipher against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F00Masato%2Fclassical_cipher" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/00Masato/classical_cipher
[INFO] finished tweaking git repo https://github.com/00Masato/classical_cipher
[INFO] tweaked toml for git repo https://github.com/00Masato/classical_cipher written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/00Masato/classical_cipher on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/00Masato/classical_cipher 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8d888b5628c28c0ea12a397471914b88ecda247f706db65671c8bcdcd13e4c1
[INFO] running `Command { std: "docker" "start" "-a" "d8d888b5628c28c0ea12a397471914b88ecda247f706db65671c8bcdcd13e4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8d888b5628c28c0ea12a397471914b88ecda247f706db65671c8bcdcd13e4c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8d888b5628c28c0ea12a397471914b88ecda247f706db65671c8bcdcd13e4c1", kill_on_drop: false }`
[INFO] [stdout] d8d888b5628c28c0ea12a397471914b88ecda247f706db65671c8bcdcd13e4c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5130fb14f49cef5834f39a9c93a9e2e53a69c9ecc7d0bbc76d8b1b68c53d768f
[INFO] running `Command { std: "docker" "start" "-a" "5130fb14f49cef5834f39a9c93a9e2e53a69c9ecc7d0bbc76d8b1b68c53d768f", kill_on_drop: false }`
[INFO] [stderr]    Compiling classical_cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vigenere.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut key_char: char;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vigenere.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut key_char: char;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "5130fb14f49cef5834f39a9c93a9e2e53a69c9ecc7d0bbc76d8b1b68c53d768f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5130fb14f49cef5834f39a9c93a9e2e53a69c9ecc7d0bbc76d8b1b68c53d768f", kill_on_drop: false }`
[INFO] [stdout] 5130fb14f49cef5834f39a9c93a9e2e53a69c9ecc7d0bbc76d8b1b68c53d768f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5ecb857dac70948d307821e11b13ee27fe3e6fe759367f6878aaa6c7d7932f9
[INFO] running `Command { std: "docker" "start" "-a" "f5ecb857dac70948d307821e11b13ee27fe3e6fe759367f6878aaa6c7d7932f9", kill_on_drop: false }`
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vigenere.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut key_char: char;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling classical_cipher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vigenere.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut key_char: char;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vigenere.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |             let mut key_char: char;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/vigenere.rs:37:17
[INFO] [stdout]    |
[INFO] [stdout] 37 |             let mut key_char: char;
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "f5ecb857dac70948d307821e11b13ee27fe3e6fe759367f6878aaa6c7d7932f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5ecb857dac70948d307821e11b13ee27fe3e6fe759367f6878aaa6c7d7932f9", kill_on_drop: false }`
[INFO] [stdout] f5ecb857dac70948d307821e11b13ee27fe3e6fe759367f6878aaa6c7d7932f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab55034203135b0e8df06cbb68e355343791f19f1bdd413c8cc830c5856a303a
[INFO] running `Command { std: "docker" "start" "-a" "ab55034203135b0e8df06cbb68e355343791f19f1bdd413c8cc830c5856a303a", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/vigenere.rs:20:17
[INFO] [stderr]    |
[INFO] [stderr] 20 |             let mut key_char: char;
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/vigenere.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |             let mut key_char: char;
[INFO] [stderr]    |                 ----^^^^^^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: `classical_cipher` (lib) generated 2 warnings (run `cargo fix --lib -p classical_cipher` to apply 2 suggestions)
[INFO] [stderr] warning: `classical_cipher` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/classical_cipher-56bb9c29197ff2c5)
[INFO] [stdout] 
[INFO] [stdout] running 12 tests
[INFO] [stdout] test caesar::tests::test_decrypt_only_downcase ... ok
[INFO] [stdout] test caesar::tests::test_encrypt_only_downcase ... ok
[INFO] [stdout] test caesar::downcase::tests::test_decrypt ... ok
[INFO] [stdout] test caesar::tests::test_encrypt_upcase_and_downcase ... ok
[INFO] [stdout] test caesar::upcase::test::test_decrypt ... ok
[INFO] [stdout] test caesar::upcase::test::test_encrypt ... ok
[INFO] [stdout] test vigenere::tests::test_decrypt ... ok
[INFO] [stdout] test caesar::tests::test_encrypt_only_upcase ... ok
[INFO] [stdout] test caesar::tests::test_decrypt_only_upcase ... ok
[INFO] [stdout] test vigenere::tests::test_encrypt ... ok
[INFO] [stdout] test caesar::tests::test_decrypt_upcase_and_downcase ... ok
[INFO] [stdout] test caesar::downcase::tests::test_encrypt ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 12 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/classical_cipher-ab6191adb785f1e7)
[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 classical_cipher
[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" "ab55034203135b0e8df06cbb68e355343791f19f1bdd413c8cc830c5856a303a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab55034203135b0e8df06cbb68e355343791f19f1bdd413c8cc830c5856a303a", kill_on_drop: false }`
[INFO] [stdout] ab55034203135b0e8df06cbb68e355343791f19f1bdd413c8cc830c5856a303a
