[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] testing jthistle/compressor against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthistle%2Fcompressor" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jthistle/compressor on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "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-5-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing jthistle/compressor against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjthistle%2Fcompressor" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jthistle/compressor on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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-5-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c2d9febdf974dc5275fba03d12cb8868cef8abf6389bb0f485fb81380a3b4fc
[INFO] running `Command { std: "docker" "start" "-a" "1c2d9febdf974dc5275fba03d12cb8868cef8abf6389bb0f485fb81380a3b4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c2d9febdf974dc5275fba03d12cb8868cef8abf6389bb0f485fb81380a3b4fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2d9febdf974dc5275fba03d12cb8868cef8abf6389bb0f485fb81380a3b4fc", kill_on_drop: false }`
[INFO] [stdout] 1c2d9febdf974dc5275fba03d12cb8868cef8abf6389bb0f485fb81380a3b4fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5526f56e4324bfbcd96815eaeedae32995665aceb14c0d3ef04dff70d12b32c6
[INFO] running `Command { std: "docker" "start" "-a" "5526f56e4324bfbcd96815eaeedae32995665aceb14c0d3ef04dff70d12b32c6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling pkg-config v0.3.20
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling half v1.7.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-complex v0.4.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling 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: 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]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `form_type` is never read
[INFO] [stdout]   --> src/encode/riff.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct RiffChunk {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     form_type: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RiffChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "5526f56e4324bfbcd96815eaeedae32995665aceb14c0d3ef04dff70d12b32c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5526f56e4324bfbcd96815eaeedae32995665aceb14c0d3ef04dff70d12b32c6", kill_on_drop: false }`
[INFO] [stdout] 5526f56e4324bfbcd96815eaeedae32995665aceb14c0d3ef04dff70d12b32c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 886d67d2409ccc583fff8e3bc576cb44b2e4f44fd4f771c737b7c8084b9bf0c9
[INFO] running `Command { std: "docker" "start" "-a" "886d67d2409ccc583fff8e3bc576cb44b2e4f44fd4f771c737b7c8084b9bf0c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 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]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `form_type` is never read
[INFO] [stdout]   --> src/encode/riff.rs:11:2
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub struct RiffChunk {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     form_type: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RiffChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "886d67d2409ccc583fff8e3bc576cb44b2e4f44fd4f771c737b7c8084b9bf0c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "886d67d2409ccc583fff8e3bc576cb44b2e4f44fd4f771c737b7c8084b9bf0c9", kill_on_drop: false }`
[INFO] [stdout] 886d67d2409ccc583fff8e3bc576cb44b2e4f44fd4f771c737b7c8084b9bf0c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6950bacaa0042a2fa559f4fc4d07ba273a2f8713feb17ea2db51263eede006b1
[INFO] running `Command { std: "docker" "start" "-a" "6950bacaa0042a2fa559f4fc4d07ba273a2f8713feb17ea2db51263eede006b1", kill_on_drop: false }`
[INFO] [stderr] warning: type `isample` should have an upper camel case name
[INFO] [stderr]   --> src/main.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub type isample = i16;
[INFO] [stderr]    |          ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Isample`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `offset` is never read
[INFO] [stderr]   --> src/args.rs:48:10
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let mut offset = 0;
[INFO] [stderr]    |             ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `form_type` is never read
[INFO] [stderr]   --> src/encode/riff.rs:11:2
[INFO] [stderr]    |
[INFO] [stderr] 5  | pub struct RiffChunk {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 11 |     form_type: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `RiffChunk` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/encode/fft.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let N: usize = input.len();
[INFO] [stderr]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `N` should have a snake case name
[INFO] [stderr]  --> src/decode/fft.rs:6:9
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let N: usize = input.len();
[INFO] [stderr]   |         ^ help: convert the identifier to snake case: `n`
[INFO] [stderr] 
[INFO] [stderr] warning: `compressor-rust` (bin "compressor-rust" test) generated 5 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/compressor_rust-f6c1d0185cac118f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6950bacaa0042a2fa559f4fc4d07ba273a2f8713feb17ea2db51263eede006b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6950bacaa0042a2fa559f4fc4d07ba273a2f8713feb17ea2db51263eede006b1", kill_on_drop: false }`
[INFO] [stdout] 6950bacaa0042a2fa559f4fc4d07ba273a2f8713feb17ea2db51263eede006b1