[INFO] fetching crate jaudio 0.1.1...
[INFO] checking jaudio-0.1.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate jaudio 0.1.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate jaudio 0.1.1
[INFO] finished tweaking crates.io crate jaudio 0.1.1
[INFO] tweaked toml for crates.io crate jaudio 0.1.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jaudio 0.1.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cb7bc7349bce2e508c1e1809130d3032243853672dabdbb60544e1cc6a0b271d
[INFO] running `Command { std: "docker" "start" "-a" "cb7bc7349bce2e508c1e1809130d3032243853672dabdbb60544e1cc6a0b271d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cb7bc7349bce2e508c1e1809130d3032243853672dabdbb60544e1cc6a0b271d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb7bc7349bce2e508c1e1809130d3032243853672dabdbb60544e1cc6a0b271d", kill_on_drop: false }`
[INFO] [stdout] cb7bc7349bce2e508c1e1809130d3032243853672dabdbb60544e1cc6a0b271d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0a20fe56a05214ad899169e9b7b08a76028001da4a1728149b823730e6f04bb
[INFO] running `Command { std: "docker" "start" "-a" "b0a20fe56a05214ad899169e9b7b08a76028001da4a1728149b823730e6f04bb", kill_on_drop: false }`
[INFO] [stderr]     Checking jaudio v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:154:89
[INFO] [stdout]     |
[INFO] [stdout] 154 |         let audio_format: [u8; 2] = self.audio_format.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:161:89
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let num_channels: [u8; 2] = self.num_channels.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                         ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:171:87
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let block_align: [u8; 2] = self.block_align.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                       ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `v`
[INFO] [stdout]    --> src/wave_file.rs:179:95
[INFO] [stdout]     |
[INFO] [stdout] 179 |         let bits_per_sample: [u8; 2] = self.bits_per_sample.to_le_bytes().into_iter().filter(|v| {
[INFO] [stdout]     |                                                                                               ^ help: if this is intentional, prefix it with an underscore: `_v`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "b0a20fe56a05214ad899169e9b7b08a76028001da4a1728149b823730e6f04bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a20fe56a05214ad899169e9b7b08a76028001da4a1728149b823730e6f04bb", kill_on_drop: false }`
[INFO] [stdout] b0a20fe56a05214ad899169e9b7b08a76028001da4a1728149b823730e6f04bb