[INFO] cloning repository https://github.com/chopratejas/audio-decode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chopratejas/audio-decode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchopratejas%2Faudio-decode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchopratejas%2Faudio-decode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e0f34ef8888fd839a5529abb623659430fc05429
[INFO] checking chopratejas/audio-decode against try#df1b9bf194c9183fb7c0604484171064069ce232 for pr-149195-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchopratejas%2Faudio-decode" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/chopratejas/audio-decode
[INFO] finished tweaking git repo https://github.com/chopratejas/audio-decode
[INFO] tweaked toml for git repo https://github.com/chopratejas/audio-decode written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/chopratejas/audio-decode on toolchain df1b9bf194c9183fb7c0604484171064069ce232
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/chopratejas/audio-decode 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" "+df1b9bf194c9183fb7c0604484171064069ce232" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 23e385acf54247ca45fa57c35f8d2916f952d0dec883401fe5810c0d3bbbec9c
[INFO] running `Command { std: "docker" "start" "-a" "23e385acf54247ca45fa57c35f8d2916f952d0dec883401fe5810c0d3bbbec9c", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+df1b9bf194c9183fb7c0604484171064069ce232" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 141535affdfe3d30dc57316b4ba42b367519ba312fcc8c13cc9ca437cfd5240d
[INFO] running `Command { std: "docker" "start" "-a" "141535affdfe3d30dc57316b4ba42b367519ba312fcc8c13cc9ca437cfd5240d", kill_on_drop: false }`
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[INFO] [stderr]     Checking audiodecode-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `abs` found for type `usize` in the current scope
[INFO] [stdout]    --> src/resampler.rs:170:57
[INFO] [stdout]     |
[INFO] [stdout] 170 |         assert!((resampled.len() / 2 - expected_frames).abs() < 100);
[INFO] [stdout]     |                                                         ^^^ method not found in `usize`
[INFO] [stdout]     |
[INFO] [stdout]    --> /rustc/df1b9bf194c9183fb7c0604484171064069ce232/library/compiler-builtins/compiler-builtins/src/math/../../../libm/src/math/support/int_traits.rs:82:7
[INFO] [stdout]     |
[INFO] [stdout]     = note: the method is available for `usize` here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_idx`
[INFO] [stdout]   --> src/resampler.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |         for (frame_idx, frame) in samples.chunks_exact(self.channels).enumerate() {
[INFO] [stdout]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_idx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `UnsupportedFormat` is never constructed
[INFO] [stdout]   --> src/decoder.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum DecodeError {
[INFO] [stdout]    |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 30 |     UnsupportedFormat,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DecodeError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `frame_idx`
[INFO] [stdout]   --> src/resampler.rs:90:14
[INFO] [stdout]    |
[INFO] [stdout] 90 |         for (frame_idx, frame) in samples.chunks_exact(self.channels).enumerate() {
[INFO] [stdout]    |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_frame_idx`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0596]: cannot borrow `resampler` as mutable, as it is not declared as mutable
[INFO] [stdout]    --> src/resampler.rs:139:25
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let resampled = resampler.process(&samples).unwrap();
[INFO] [stdout]     |                         ^^^^^^^^^ cannot borrow as mutable
[INFO] [stdout]     |
[INFO] [stdout] help: consider changing this to be mutable
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let mut resampler = Resampler::new(from_sr, to_sr, channels).unwrap();
[INFO] [stdout]     |             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0596, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0596`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `audiodecode-rust` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "141535affdfe3d30dc57316b4ba42b367519ba312fcc8c13cc9ca437cfd5240d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "141535affdfe3d30dc57316b4ba42b367519ba312fcc8c13cc9ca437cfd5240d", kill_on_drop: false }`
[INFO] [stdout] 141535affdfe3d30dc57316b4ba42b367519ba312fcc8c13cc9ca437cfd5240d