[INFO] cloning repository https://github.com/TimoFreiberg/cryptopals
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TimoFreiberg/cryptopals" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimoFreiberg%2Fcryptopals", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimoFreiberg%2Fcryptopals'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f75245922addd7ec81424b5582c7ed18c50f1da8
[INFO] testing TimoFreiberg/cryptopals against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimoFreiberg%2Fcryptopals" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TimoFreiberg/cryptopals on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TimoFreiberg/cryptopals
[INFO] finished tweaking git repo https://github.com/TimoFreiberg/cryptopals
[INFO] tweaked toml for git repo https://github.com/TimoFreiberg/cryptopals written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/TimoFreiberg/cryptopals already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e83824afcbfe5c62355aa6790088c7df4280340be6e647415b59fe290f2b4a91
[INFO] running `Command { std: "docker" "start" "-a" "e83824afcbfe5c62355aa6790088c7df4280340be6e647415b59fe290f2b4a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e83824afcbfe5c62355aa6790088c7df4280340be6e647415b59fe290f2b4a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e83824afcbfe5c62355aa6790088c7df4280340be6e647415b59fe290f2b4a91", kill_on_drop: false }`
[INFO] [stdout] e83824afcbfe5c62355aa6790088c7df4280340be6e647415b59fe290f2b4a91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885f9366e8422bed7b6d7100aecc240f9f7459d375b90c169f1f94d809ac2755
[INFO] running `Command { std: "docker" "start" "-a" "885f9366e8422bed7b6d7100aecc240f9f7459d375b90c169f1f94d809ac2755", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `xor`
[INFO] [stdout]   --> src/lib.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn xor(&mut self, key: &[u8]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_ascii`
[INFO] [stdout]   --> src/lib.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_ascii(&self) -> Result<&str, Utf8Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char_score`
[INFO] [stdout]    --> src/lib.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn char_score(s: &str) -> Option<u32> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_cypher`
[INFO] [stdout]    --> src/lib.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn find_cypher(hex: &Hex) -> Option<(u8, u32, Hex)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.41s
[INFO] running `Command { std: "docker" "inspect" "885f9366e8422bed7b6d7100aecc240f9f7459d375b90c169f1f94d809ac2755", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885f9366e8422bed7b6d7100aecc240f9f7459d375b90c169f1f94d809ac2755", kill_on_drop: false }`
[INFO] [stdout] 885f9366e8422bed7b6d7100aecc240f9f7459d375b90c169f1f94d809ac2755
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e92d825ea54be5eb59963e7758cc77a9d79b569b4e98d7d60bf27f39713bde9b
[INFO] running `Command { std: "docker" "start" "-a" "e92d825ea54be5eb59963e7758cc77a9d79b569b4e98d7d60bf27f39713bde9b", kill_on_drop: false }`
[INFO] [stdout] warning: associated function is never used: `xor`
[INFO] [stdout]   --> src/lib.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 |     pub fn xor(&mut self, key: &[u8]) {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `to_ascii`
[INFO] [stdout]   --> src/lib.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn to_ascii(&self) -> Result<&str, Utf8Error> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `char_score`
[INFO] [stdout]    --> src/lib.rs:125:4
[INFO] [stdout]     |
[INFO] [stdout] 125 | fn char_score(s: &str) -> Option<u32> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `find_cypher`
[INFO] [stdout]    --> src/lib.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn find_cypher(hex: &Hex) -> Option<(u8, u32, Hex)> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "e92d825ea54be5eb59963e7758cc77a9d79b569b4e98d7d60bf27f39713bde9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92d825ea54be5eb59963e7758cc77a9d79b569b4e98d7d60bf27f39713bde9b", kill_on_drop: false }`
[INFO] [stdout] e92d825ea54be5eb59963e7758cc77a9d79b569b4e98d7d60bf27f39713bde9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69f047e68458d18b3bb0f58ed4ecd69cfd54277b85b54567e2b50ddaf942e26c
[INFO] running `Command { std: "docker" "start" "-a" "69f047e68458d18b3bb0f58ed4ecd69cfd54277b85b54567e2b50ddaf942e26c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: associated function is never used: `xor`
[INFO] [stderr]   --> src/lib.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 57 |     pub fn xor(&mut self, key: &[u8]) {
[INFO] [stderr]    |            ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `to_ascii`
[INFO] [stderr]   --> src/lib.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn to_ascii(&self) -> Result<&str, Utf8Error> {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `char_score`
[INFO] [stderr]    --> src/lib.rs:125:4
[INFO] [stderr]     |
[INFO] [stderr] 125 | fn char_score(s: &str) -> Option<u32> {
[INFO] [stderr]     |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `find_cypher`
[INFO] [stderr]    --> src/lib.rs:156:4
[INFO] [stderr]     |
[INFO] [stderr] 156 | fn find_cypher(hex: &Hex) -> Option<(u8, u32, Hex)> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `cryptopals` (lib) generated 4 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.37s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cryptopals-1eb510e102ad23da)
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::challenge_1_hex_to_base64 ... ok
[INFO] [stdout] test tests::challenge_2_xor ... ok
[INFO] [stdout] test tests::challenge_5_repeating_key_xor ... ok
[INFO] [stdout] test tests::challenge_3_single_byte_xor_cipher ... ok
[INFO] [stdout] test tests::challenge_4_find_single_xor ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.52s
[INFO] [stdout] 
[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 (/opt/rustwide/target/debug/deps/cryptopals-f595f5ed7e482e21)
[INFO] [stderr]    Doc-tests cryptopals
[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" "69f047e68458d18b3bb0f58ed4ecd69cfd54277b85b54567e2b50ddaf942e26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69f047e68458d18b3bb0f58ed4ecd69cfd54277b85b54567e2b50ddaf942e26c", kill_on_drop: false }`
[INFO] [stdout] 69f047e68458d18b3bb0f58ed4ecd69cfd54277b85b54567e2b50ddaf942e26c