[INFO] cloning repository https://github.com/jthistle/compressor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jthistle/compressor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthistle%2Fcompressor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthistle%2Fcompressor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f8e716fad79154006c03ad88469143af1d1f315c
[INFO] checking jthistle/compressor against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthistle%2Fcompressor" "/workspace/builds/worker-56/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-56/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jthistle/compressor on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jthistle/compressor
[INFO] finished tweaking git repo https://github.com/jthistle/compressor
[INFO] tweaked toml for git repo https://github.com/jthistle/compressor written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate git repo https://github.com/jthistle/compressor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 066051169be3c5b0ed111480a5b8bccbf84a327f28ace0d603234a1f459456f0
[INFO] running `Command { std: "docker" "start" "-a" "066051169be3c5b0ed111480a5b8bccbf84a327f28ace0d603234a1f459456f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066051169be3c5b0ed111480a5b8bccbf84a327f28ace0d603234a1f459456f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066051169be3c5b0ed111480a5b8bccbf84a327f28ace0d603234a1f459456f0", kill_on_drop: false }`
[INFO] [stdout] 066051169be3c5b0ed111480a5b8bccbf84a327f28ace0d603234a1f459456f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54a96757d1027fb130e6cb7ae306ca8a444346e48f8c66be3759b50a47125f31
[INFO] running `Command { std: "docker" "start" "-a" "54a96757d1027fb130e6cb7ae306ca8a444346e48f8c66be3759b50a47125f31", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking alsa v0.5.0
[INFO] [stderr]     Checking compressor-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `isample` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type isample = i16;
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Isample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `isample` should have an upper camel case name
[INFO] [stdout]   --> src/main.rs:15:10
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub type isample = i16;
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Isample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/args.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut offset = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `offset` is never read
[INFO] [stdout]   --> src/args.rs:48:10
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let mut offset = 0;
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `form_type`
[INFO] [stdout]   --> src/encode/riff.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     form_type: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/encode/fft.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let N: usize = input.len();
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/decode/fft.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let N: usize = input.len();
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `form_type`
[INFO] [stdout]   --> src/encode/riff.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 11 |     form_type: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/encode/fft.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let N: usize = input.len();
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `N` should have a snake case name
[INFO] [stdout]  --> src/decode/fft.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 |     let N: usize = input.len();
[INFO] [stdout]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.08s
[INFO] running `Command { std: "docker" "inspect" "54a96757d1027fb130e6cb7ae306ca8a444346e48f8c66be3759b50a47125f31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54a96757d1027fb130e6cb7ae306ca8a444346e48f8c66be3759b50a47125f31", kill_on_drop: false }`
[INFO] [stdout] 54a96757d1027fb130e6cb7ae306ca8a444346e48f8c66be3759b50a47125f31