[INFO] cloning repository https://github.com/kelvidev/security-algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kelvidev/security-algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvidev%2Fsecurity-algorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvidev%2Fsecurity-algorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 969aad97f55d4422b4b073b93a23e0bacc0f66df
[INFO] checking kelvidev/security-algorithms against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvidev%2Fsecurity-algorithms" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kelvidev/security-algorithms
[INFO] finished tweaking git repo https://github.com/kelvidev/security-algorithms
[INFO] tweaked toml for git repo https://github.com/kelvidev/security-algorithms written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kelvidev/security-algorithms on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kelvidev/security-algorithms 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" "+011c518242557d21690f7936b5812318dc2fec47" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking kelvidev/security-algorithms against 011c518242557d21690f7936b5812318dc2fec47 for pr-159877
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkelvidev%2Fsecurity-algorithms" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kelvidev/security-algorithms
[INFO] finished tweaking git repo https://github.com/kelvidev/security-algorithms
[INFO] tweaked toml for git repo https://github.com/kelvidev/security-algorithms written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kelvidev/security-algorithms on toolchain 011c518242557d21690f7936b5812318dc2fec47
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kelvidev/security-algorithms 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" "+011c518242557d21690f7936b5812318dc2fec47" "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-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:1fa6594d87c8fa7b311925a7a77a16f539833322d9dfba4ce891f211db2f90b1" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59
[INFO] running `Command { std: "docker" "start" "6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59" "/opt/rustwide/cargo-home/bin/cargo" "+011c518242557d21690f7936b5812318dc2fec47" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking securityAlgorithms v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `binary_group` is never read
[INFO] [stdout]   --> src/base64.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut binary_group = String::new();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 13 |     for i in (0..=binary_sequence.len() - 6).step_by(6) {
[INFO] [stdout] 14 |         binary_group = String::from(&binary_sequence[i..i + 6]);
[INFO] [stdout]    |         ------------ `binary_group` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `binary_group` is never read
[INFO] [stdout]   --> src/base64.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let mut binary_group = String::new();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^ this value is reassigned later and never used
[INFO] [stdout] 13 |     for i in (0..=binary_sequence.len() - 6).step_by(6) {
[INFO] [stdout] 14 |         binary_group = String::from(&binary_sequence[i..i + 6]);
[INFO] [stdout]    |         ------------ `binary_group` is overwritten here before the previous value is read
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59", kill_on_drop: false }`
[INFO] [stdout] 6db939388b626aed093ca400df6c4c6950e4063c1df6089cf0dcfbd5bd94cc59
