[INFO] updating cached repository https://github.com/courajs/cryptopals-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e689c92ce6f775fdd92ba6d3194b642751a8e7d6
[INFO] checking courajs/cryptopals-rs against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcourajs%2Fcryptopals-rs" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/courajs/cryptopals-rs on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/courajs/cryptopals-rs
[INFO] finished tweaking git repo https://github.com/courajs/cryptopals-rs
[INFO] tweaked toml for git repo https://github.com/courajs/cryptopals-rs written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/courajs/cryptopals-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f686198f02b56af7ed6cc723b08bc4d27c6c889a7e9497a968fa308d5d445b65
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f686198f02b56af7ed6cc723b08bc4d27c6c889a7e9497a968fa308d5d445b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f686198f02b56af7ed6cc723b08bc4d27c6c889a7e9497a968fa308d5d445b65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f686198f02b56af7ed6cc723b08bc4d27c6c889a7e9497a968fa308d5d445b65", kill_on_drop: false }`
[INFO] [stdout] f686198f02b56af7ed6cc723b08bc4d27c6c889a7e9497a968fa308d5d445b65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 263a5dbe8e582c62f14df91e7b2c65f65f9037cddfaa0f4c64fa00483e4ad8bd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "263a5dbe8e582c62f14df91e7b2c65f65f9037cddfaa0f4c64fa00483e4ad8bd", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking cryptopals-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `fixed_xor`
[INFO] [stdout]  --> src/set1/c2.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn fixed_xor (a: &[u8], b: &[u8]) -> Option<Vec<u8>> {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `best_score_of_all`
[INFO] [stdout]  --> src/set1/c4.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn best_score_of_all(inputs: impl Iterator<Item = Vec<u8>>) -> (String, u8, f64) {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `hamming`
[INFO] [stdout]  --> src/set1/c6.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn hamming(a: &[u8], b: &[u8]) -> usize {
[INFO] [stdout]   |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rank_keysizes`
[INFO] [stdout]   --> src/set1/c6.rs:14:4
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn rank_keysizes(bytes: &[u8]) -> Vec<(usize, f64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rank_keysizes2`
[INFO] [stdout]   --> src/set1/c6.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn rank_keysizes2(bytes: &[u8]) -> Vec<(usize, f64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normalized_hamming_for_keysize`
[INFO] [stdout]   --> src/set1/c6.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn normalized_hamming_for_keysize(bytes: &[u8], keysize: usize) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normalized_hamming_for_keysize_twice`
[INFO] [stdout]   --> src/set1/c6.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn normalized_hamming_for_keysize_twice(bytes: &[u8], keysize: usize) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `many_rank`
[INFO] [stdout]   --> src/set1/c6.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 47 | fn many_rank(bytes: &[u8]) -> Vec<(usize, f64)> {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `many_average_normalized_hamming_for_keysize`
[INFO] [stdout]   --> src/set1/c6.rs:57:4
[INFO] [stdout]    |
[INFO] [stdout] 57 | fn many_average_normalized_hamming_for_keysize(bytes: &[u8], keysize: usize) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `collate`
[INFO] [stdout]   --> src/set1/c6.rs:73:4
[INFO] [stdout]    |
[INFO] [stdout] 73 | fn collate(bytes: &[u8], n: usize) -> Vec<Vec<u8>> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `interleave`
[INFO] [stdout]   --> src/set1/c6.rs:84:4
[INFO] [stdout]    |
[INFO] [stdout] 84 | fn interleave(input: &[Vec<u8>]) -> Vec<u8> {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 11 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `rank_keysizes2`
[INFO] [stdout]   --> src/set1/c6.rs:23:4
[INFO] [stdout]    |
[INFO] [stdout] 23 | fn rank_keysizes2(bytes: &[u8]) -> Vec<(usize, f64)> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `normalized_hamming_for_keysize_twice`
[INFO] [stdout]   --> src/set1/c6.rs:38:4
[INFO] [stdout]    |
[INFO] [stdout] 38 | fn normalized_hamming_for_keysize_twice(bytes: &[u8], keysize: usize) -> f64 {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.38s
[INFO] running `Command { std: "docker" "inspect" "263a5dbe8e582c62f14df91e7b2c65f65f9037cddfaa0f4c64fa00483e4ad8bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263a5dbe8e582c62f14df91e7b2c65f65f9037cddfaa0f4c64fa00483e4ad8bd", kill_on_drop: false }`
[INFO] [stdout] 263a5dbe8e582c62f14df91e7b2c65f65f9037cddfaa0f4c64fa00483e4ad8bd