[INFO] cloning repository https://github.com/Terkwood/hello_midi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Terkwood/hello_midi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c064b15de68760d464ba665f540e5e03d5675633
[INFO] checking Terkwood/hello_midi against master#d2e8ecd8bd26a22111cdebfb813258450b07fbf0 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Terkwood/hello_midi on toolchain d2e8ecd8bd26a22111cdebfb813258450b07fbf0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] finished tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] tweaked toml for git repo https://github.com/Terkwood/hello_midi written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Terkwood/hello_midi 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" "+d2e8ecd8bd26a22111cdebfb813258450b07fbf0" "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 Terkwood/hello_midi against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Terkwood/hello_midi on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] finished tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] tweaked toml for git repo https://github.com/Terkwood/hello_midi written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Terkwood/hello_midi 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" "+aface909a877127f24c62858518cef2d593e2ea1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/rimd.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking Terkwood/hello_midi against try#aface909a877127f24c62858518cef2d593e2ea1 for pr-121199
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTerkwood%2Fhello_midi" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Terkwood/hello_midi on toolchain aface909a877127f24c62858518cef2d593e2ea1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] finished tweaking git repo https://github.com/Terkwood/hello_midi
[INFO] tweaked toml for git repo https://github.com/Terkwood/hello_midi written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Terkwood/hello_midi 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" "+aface909a877127f24c62858518cef2d593e2ea1" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded midir v0.5.0
[INFO] [stderr]   Downloaded alsa v0.2.0
[INFO] [stderr]   Downloaded coremidi v0.3.0
[INFO] [stderr]   Downloaded nix v0.9.0
[INFO] [stderr]   Downloaded winmm-sys v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46af24c6e56c05e0dd7e70bacd63bbd346a71fa9007e918d7769ccdf143a974
[INFO] running `Command { std: "docker" "start" "-a" "a46af24c6e56c05e0dd7e70bacd63bbd346a71fa9007e918d7769ccdf143a974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46af24c6e56c05e0dd7e70bacd63bbd346a71fa9007e918d7769ccdf143a974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46af24c6e56c05e0dd7e70bacd63bbd346a71fa9007e918d7769ccdf143a974", kill_on_drop: false }`
[INFO] [stdout] a46af24c6e56c05e0dd7e70bacd63bbd346a71fa9007e918d7769ccdf143a974
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+aface909a877127f24c62858518cef2d593e2ea1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a246f3133b8f3c1fce5b4879a14c50667d8428dcfee08427423b01a9f81d4940
[INFO] running `Command { std: "docker" "start" "-a" "a246f3133b8f3c1fce5b4879a14c50667d8428dcfee08427423b01a9f81d4940", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]     Checking byteorder v1.2.3
[INFO] [stderr]     Checking bitflags v0.3.3
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking alsa v0.2.0
[INFO] [stderr]     Checking rimd v0.0.2 (https://github.com/RustAudio/rimd.git#6e623dbc)
[INFO] [stderr]     Checking midir v0.5.0
[INFO] [stderr]     Checking hello_midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:211:92
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn run(output_device: usize, notes: Vec<MidiNote>, micros_per_tick: u64) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn run(output_device: usize, notes: Vec<MidiNote>, micros_per_tick: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:211:92
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn run(output_device: usize, notes: Vec<MidiNote>, micros_per_tick: u64) -> Result<(), Box<Error>> {
[INFO] [stdout]     |                                                                                            ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is an object-safe trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 211 | fn run(output_device: usize, notes: Vec<MidiNote>, micros_per_tick: u64) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]     |                                                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:74:47
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Err(err) => println!("Error: {}", err.description()),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:74:47
[INFO] [stdout]    |
[INFO] [stdout] 74 |         Err(err) => println!("Error: {}", err.description()),
[INFO] [stdout]    |                                               ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `time` is never read
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct MidiNote {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 36 |     channel_note: ChannelNote,
[INFO] [stdout] 37 |     time: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiNote` 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: field `time` is never read
[INFO] [stdout]   --> src/main.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub struct MidiNote {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 36 |     channel_note: ChannelNote,
[INFO] [stdout] 37 |     time: u64,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MidiNote` 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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.71s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "a246f3133b8f3c1fce5b4879a14c50667d8428dcfee08427423b01a9f81d4940", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a246f3133b8f3c1fce5b4879a14c50667d8428dcfee08427423b01a9f81d4940", kill_on_drop: false }`
[INFO] [stdout] a246f3133b8f3c1fce5b4879a14c50667d8428dcfee08427423b01a9f81d4940