[INFO] cloning repository https://github.com/gnodarse/Pitch-Identifier
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gnodarse/Pitch-Identifier" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnodarse%2FPitch-Identifier", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnodarse%2FPitch-Identifier'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 489b55c040b519c1568840bd9693b79d82b38926
[INFO] testing gnodarse/Pitch-Identifier against 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgnodarse%2FPitch-Identifier" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gnodarse/Pitch-Identifier on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/gnodarse/Pitch-Identifier
[INFO] finished tweaking git repo https://github.com/gnodarse/Pitch-Identifier
[INFO] tweaked toml for git repo https://github.com/gnodarse/Pitch-Identifier written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/gnodarse/Pitch-Identifier 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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e3bb868aa2745ad18e209b0e61d7de89cab8b206e65a5bd55b87e682a4ff3fe0
[INFO] running `Command { std: "docker" "start" "-a" "e3bb868aa2745ad18e209b0e61d7de89cab8b206e65a5bd55b87e682a4ff3fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3bb868aa2745ad18e209b0e61d7de89cab8b206e65a5bd55b87e682a4ff3fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3bb868aa2745ad18e209b0e61d7de89cab8b206e65a5bd55b87e682a4ff3fe0", kill_on_drop: false }`
[INFO] [stdout] e3bb868aa2745ad18e209b0e61d7de89cab8b206e65a5bd55b87e682a4ff3fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8eeedb75a916074444892a125d508c23cdb4d6b029a839e2033529d3dc936ea9
[INFO] running `Command { std: "docker" "start" "-a" "8eeedb75a916074444892a125d508c23cdb4d6b029a839e2033529d3dc936ea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling wavreader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `c2_period_idx`
[INFO] [stdout]    --> src/main.rs:198:21
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut c2_period_idx = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c2_period_idx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2_significant`
[INFO] [stdout]    --> src/main.rs:199:21
[INFO] [stdout]     |
[INFO] [stdout] 199 |             let mut c2_significant = false;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c2_significant`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c2_last_sample` is assigned to, but never used
[INFO] [stdout]    --> src/main.rs:200:21
[INFO] [stdout]     |
[INFO] [stdout] 200 |             let mut c2_last_sample = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_c2_last_sample` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c2_num_equilibrium_passes`
[INFO] [stdout]    --> src/main.rs:201:21
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let mut c2_num_equilibrium_passes = 0;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_c2_num_equilibrium_passes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `c2_last_sample` is never read
[INFO] [stdout]    --> src/main.rs:287:17
[INFO] [stdout]     |
[INFO] [stdout] 287 |                 c2_last_sample = c2_this_sample;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:198:17
[INFO] [stdout]     |
[INFO] [stdout] 198 |             let mut c2_period_idx = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:199:17
[INFO] [stdout]     |
[INFO] [stdout] 199 |             let mut c2_significant = false;
[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/main.rs:201:17
[INFO] [stdout]     |
[INFO] [stdout] 201 |             let mut c2_num_equilibrium_passes = 0;
[INFO] [stdout]     |                 ----^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         file.write(&output.into_bytes());
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 368 |         let _ = file.write(&output.into_bytes());
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `Command { std: "docker" "inspect" "8eeedb75a916074444892a125d508c23cdb4d6b029a839e2033529d3dc936ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8eeedb75a916074444892a125d508c23cdb4d6b029a839e2033529d3dc936ea9", kill_on_drop: false }`
[INFO] [stdout] 8eeedb75a916074444892a125d508c23cdb4d6b029a839e2033529d3dc936ea9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: chown /var/lib/docker/overlay2/d0010549abcf2ebd798f1d8e86e54d8d9e9478996233d27e172b481d5e07dcd5/work/work: no such file or directory
