[INFO] cloning repository https://github.com/tkuye/metareader
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tkuye/metareader" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkuye%2Fmetareader", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkuye%2Fmetareader'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 951eb45227e343411fa116e29c2ca2ab15638218
[INFO] checking tkuye/metareader against master#a42d94ebb883116f2867cbe3016d9bde9ca6d3f7 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkuye%2Fmetareader" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkuye/metareader on toolchain a42d94ebb883116f2867cbe3016d9bde9ca6d3f7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tkuye/metareader
[INFO] finished tweaking git repo https://github.com/tkuye/metareader
[INFO] tweaked toml for git repo https://github.com/tkuye/metareader written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/tkuye/metareader 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" "+a42d94ebb883116f2867cbe3016d9bde9ca6d3f7" "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] checking tkuye/metareader against try#031b389f0c31c0f91c9464d26313ae513dbe8d36 for pr-117593
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftkuye%2Fmetareader" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tkuye/metareader on toolchain 031b389f0c31c0f91c9464d26313ae513dbe8d36
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tkuye/metareader
[INFO] finished tweaking git repo https://github.com/tkuye/metareader
[INFO] tweaked toml for git repo https://github.com/tkuye/metareader written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tkuye/metareader 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" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0461ca34a2e7c4bec9f2b6d540ec3f657577c03745426e28ff94712e8835c13c
[INFO] running `Command { std: "docker" "start" "-a" "0461ca34a2e7c4bec9f2b6d540ec3f657577c03745426e28ff94712e8835c13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0461ca34a2e7c4bec9f2b6d540ec3f657577c03745426e28ff94712e8835c13c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0461ca34a2e7c4bec9f2b6d540ec3f657577c03745426e28ff94712e8835c13c", kill_on_drop: false }`
[INFO] [stdout] 0461ca34a2e7c4bec9f2b6d540ec3f657577c03745426e28ff94712e8835c13c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:0c7e0e8312ad82a1bed3696438480b7da990d348377d3754e1cd95b06a8a36c7" "/opt/rustwide/cargo-home/bin/cargo" "+031b389f0c31c0f91c9464d26313ae513dbe8d36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2680c9a649d59d7941feabfc2e1c93ad29e40aa24baf4d0f9d180ad54f97c668
[INFO] running `Command { std: "docker" "start" "-a" "2680c9a649d59d7941feabfc2e1c93ad29e40aa24baf4d0f9d180ad54f97c668", kill_on_drop: false }`
[INFO] [stderr]     Checking metareader v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `resample` is never used
[INFO] [stdout]    --> src/riff/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn resample(fmt: &mut Fmt, buffer: &mut Vec<u8>, sample_rate: u32, fmt_offset: usize) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_list_meta` is never used
[INFO] [stdout]    --> src/riff/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Data {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn remove_list_meta(&mut self, list_offset:usize, list: &InfoList) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `change_sample_rate` is never used
[INFO] [stdout]    --> src/riff/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 186 | impl Fmt {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] 187 |     pub fn change_sample_rate(&mut self, new_rate: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_file` is never used
[INFO] [stdout]    --> src/riff/mod.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn write_to_file(data: &[u8], filename: String) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `as_u32_be` is never used
[INFO] [stdout]  --> src/ints/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn as_u32_be(array: &[u8]) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `resample` is never used
[INFO] [stdout]    --> src/riff/mod.rs:142:8
[INFO] [stdout]     |
[INFO] [stdout] 142 | pub fn resample(fmt: &mut Fmt, buffer: &mut Vec<u8>, sample_rate: u32, fmt_offset: usize) {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `remove_list_meta` is never used
[INFO] [stdout]    --> src/riff/mod.rs:166:9
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl Data {
[INFO] [stdout]     | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 166 |     pub fn remove_list_meta(&mut self, list_offset:usize, list: &InfoList) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `change_sample_rate` is never used
[INFO] [stdout]    --> src/riff/mod.rs:187:9
[INFO] [stdout]     |
[INFO] [stdout] 186 | impl Fmt {
[INFO] [stdout]     | -------- method in this implementation
[INFO] [stdout] 187 |     pub fn change_sample_rate(&mut self, new_rate: u32) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_to_file` is never used
[INFO] [stdout]    --> src/riff/mod.rs:212:8
[INFO] [stdout]     |
[INFO] [stdout] 212 | pub fn write_to_file(data: &[u8], filename: String) -> io::Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `as_u32_be` is never used
[INFO] [stdout]  --> src/ints/mod.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn as_u32_be(array: &[u8]) -> u32 {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "2680c9a649d59d7941feabfc2e1c93ad29e40aa24baf4d0f9d180ad54f97c668", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2680c9a649d59d7941feabfc2e1c93ad29e40aa24baf4d0f9d180ad54f97c668", kill_on_drop: false }`
[INFO] [stdout] 2680c9a649d59d7941feabfc2e1c93ad29e40aa24baf4d0f9d180ad54f97c668