[INFO] cloning repository https://github.com/cynthia/at3rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cynthia/at3rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynthia%2Fat3rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynthia%2Fat3rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a27d7405892d3aa412abc722255f65653a841f5
[INFO] checking cynthia/at3rs against e5e97e3ef0ee95d34bea49cdac051ed1bbac01df for pr-158759-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcynthia%2Fat3rs" "/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/cynthia/at3rs
[INFO] finished tweaking git repo https://github.com/cynthia/at3rs
[INFO] tweaked toml for git repo https://github.com/cynthia/at3rs written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cynthia/at3rs on toolchain e5e97e3ef0ee95d34bea49cdac051ed1bbac01df
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cynthia/at3rs 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" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "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@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845
[INFO] running `Command { std: "docker" "start" "f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845", 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" "f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845" "/opt/rustwide/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845", 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" "f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845" "/opt/rustwide/cargo-home/bin/cargo" "+e5e97e3ef0ee95d34bea49cdac051ed1bbac01df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking strength_reduce v0.2.4
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking primal-check v0.3.4
[INFO] [stderr]     Checking transpose v0.2.3
[INFO] [stderr]     Checking rustfft v6.4.1
[INFO] [stderr]     Checking at3rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/codec.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let mut subbands = [0.0f32; 2048];
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/codec.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut tones = vec![gha::GhaInfo::default(); 16];
[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/codec.rs:70:17
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let mut subbands = [0.0f32; 2048];
[INFO] [stdout]    |                 ----^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/codec.rs:71:17
[INFO] [stdout]    |
[INFO] [stdout] 71 |             let mut tones = vec![gha::GhaInfo::default(); 16];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `code` is never read
[INFO] [stdout]    --> src/huffman.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut code = 0u32;
[INFO] [stdout]     |                        ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 119 |             code = reader.read_bits(bit_len as usize);
[INFO] [stdout]     |             ----------------------------------------- `code` 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 `code` is never read
[INFO] [stdout]    --> src/huffman.rs:114:24
[INFO] [stdout]     |
[INFO] [stdout] 114 |         let mut code = 0u32;
[INFO] [stdout]     |                        ^^^^ this value is reassigned later and never used
[INFO] [stdout] ...
[INFO] [stdout] 119 |             code = reader.read_bits(bit_len as usize);
[INFO] [stdout]     |             ----------------------------------------- `code` 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 9.75s
[INFO] running `Command { std: "docker" "inspect" "f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845", kill_on_drop: false }`
[INFO] [stdout] f0dc983a1f6d7c23011e13c7df69ff1745c941a22bbb6e48c3381aa828ce5845
