[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTimoFreiberg%2Fcryptopals" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TimoFreiberg/cryptopals on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-15/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" "+1.60.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56f4c20f18f80059d6ac145d32aff3441171188e0a1af3a59922d19091033741
[INFO] running `Command { std: "docker" "start" "-a" "56f4c20f18f80059d6ac145d32aff3441171188e0a1af3a59922d19091033741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56f4c20f18f80059d6ac145d32aff3441171188e0a1af3a59922d19091033741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f4c20f18f80059d6ac145d32aff3441171188e0a1af3a59922d19091033741", kill_on_drop: false }`
[INFO] [stdout] 56f4c20f18f80059d6ac145d32aff3441171188e0a1af3a59922d19091033741
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9129ab8a632f0f1f0159707364001100821d6b8e1582ed7a3b2a47346add189b
[INFO] running `Command { std: "docker" "start" "-a" "9129ab8a632f0f1f0159707364001100821d6b8e1582ed7a3b2a47346add189b", 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 2.59s
[INFO] running `Command { std: "docker" "inspect" "9129ab8a632f0f1f0159707364001100821d6b8e1582ed7a3b2a47346add189b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9129ab8a632f0f1f0159707364001100821d6b8e1582ed7a3b2a47346add189b", kill_on_drop: false }`
[INFO] [stdout] 9129ab8a632f0f1f0159707364001100821d6b8e1582ed7a3b2a47346add189b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9a2472c771aeb316af0a9ddb98184bd6bf7ceb574adaadf8198ceeb6276b3d00
[INFO] running `Command { std: "docker" "start" "-a" "9a2472c771aeb316af0a9ddb98184bd6bf7ceb574adaadf8198ceeb6276b3d00", 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] [stderr]    Compiling cryptopals v0.1.0 (/opt/rustwide/workdir)
[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 test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "9a2472c771aeb316af0a9ddb98184bd6bf7ceb574adaadf8198ceeb6276b3d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a2472c771aeb316af0a9ddb98184bd6bf7ceb574adaadf8198ceeb6276b3d00", kill_on_drop: false }`
[INFO] [stdout] 9a2472c771aeb316af0a9ddb98184bd6bf7ceb574adaadf8198ceeb6276b3d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6b977353534aa9595ae9e9423df10bd337c43dcf324ead675c6b04766d896d77
[INFO] running `Command { std: "docker" "start" "-a" "6b977353534aa9595ae9e9423df10bd337c43dcf324ead675c6b04766d896d77", kill_on_drop: false }`
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cryptopals-d461584dc227cb0c)
[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 0.31s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/cryptopals-e61c1c20abbfd64a)
[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 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" "6b977353534aa9595ae9e9423df10bd337c43dcf324ead675c6b04766d896d77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b977353534aa9595ae9e9423df10bd337c43dcf324ead675c6b04766d896d77", kill_on_drop: false }`
[INFO] [stdout] 6b977353534aa9595ae9e9423df10bd337c43dcf324ead675c6b04766d896d77