[INFO] cloning repository https://github.com/iovis/tuition
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iovis/tuition" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovis%2Ftuition", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovis%2Ftuition'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33029eefcaee4ffd3ca01d84220b6dcb14503a7a
[INFO] checking iovis/tuition against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovis%2Ftuition" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iovis/tuition
[INFO] finished tweaking git repo https://github.com/iovis/tuition
[INFO] tweaked toml for git repo https://github.com/iovis/tuition written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iovis/tuition on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iovis/tuition 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking iovis/tuition against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiovis%2Ftuition" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iovis/tuition
[INFO] finished tweaking git repo https://github.com/iovis/tuition
[INFO] tweaked toml for git repo https://github.com/iovis/tuition written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iovis/tuition on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iovis/tuition 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "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 lru v0.12.1
[INFO] [stderr]   Downloaded ahash v0.8.7
[INFO] [stderr]   Downloaded eyre v0.6.11
[INFO] [stderr]   Downloaded ratatui v0.25.0
[INFO] [stderr]   Downloaded itertools v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d527b3bc03a53bd9452eb708e2fb123cfbdc32b0ffcc04315490fc2c48c19ddd
[INFO] running `Command { std: "docker" "start" "-a" "d527b3bc03a53bd9452eb708e2fb123cfbdc32b0ffcc04315490fc2c48c19ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d527b3bc03a53bd9452eb708e2fb123cfbdc32b0ffcc04315490fc2c48c19ddd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d527b3bc03a53bd9452eb708e2fb123cfbdc32b0ffcc04315490fc2c48c19ddd", kill_on_drop: false }`
[INFO] [stdout] d527b3bc03a53bd9452eb708e2fb123cfbdc32b0ffcc04315490fc2c48c19ddd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7471dc1818dbffdb33ed857fe6a9f69f46c5dd19ad353314d78e6a74d230d3e
[INFO] running `Command { std: "docker" "start" "-a" "b7471dc1818dbffdb33ed857fe6a9f69f46c5dd19ad353314d78e6a74d230d3e", kill_on_drop: false }`
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling ahash v0.8.7
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]    Compiling indoc v2.0.4
[INFO] [stderr]     Checking itertools v0.12.0
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.10
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling anyhow v1.0.79
[INFO] [stderr]    Compiling libc v0.2.152
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]    Compiling eyre v0.6.11
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.1
[INFO] [stderr]     Checking lru v0.12.1
[INFO] [stderr]    Compiling backtrace v0.3.69
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]    Compiling stability v0.1.1
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]    Compiling strum_macros v0.25.3
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking tokio v1.35.1
[INFO] [stderr]     Checking strum v0.25.0
[INFO] [stderr]     Checking ratatui v0.25.0
[INFO] [stderr]     Checking serde v1.0.195
[INFO] [stderr]     Checking a_counter v0.1.0 (/opt/rustwide/workdir/a_counter)
[INFO] [stdout] warning: fields `sender` and `handler` are never read
[INFO] [stdout]   --> a_counter/src/event.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct EventHandler {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 18 |     sender: mpsc::Sender<Event>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     receiver: mpsc::Receiver<Event>,
[INFO] [stdout] 20 |     handler: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventHandler` 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: fields `sender` and `handler` are never read
[INFO] [stdout]   --> a_counter/src/event.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct EventHandler {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 18 |     sender: mpsc::Sender<Event>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 19 |     receiver: mpsc::Receiver<Event>,
[INFO] [stdout] 20 |     handler: thread::JoinHandle<()>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `EventHandler` 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] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking c_async_counter v0.1.0 (/opt/rustwide/workdir/c_async_counter)
[INFO] [stderr]     Checking serde_json v1.0.111
[INFO] [stderr]     Checking b_json_editor v0.1.0 (/opt/rustwide/workdir/b_json_editor)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.78s
[INFO] running `Command { std: "docker" "inspect" "b7471dc1818dbffdb33ed857fe6a9f69f46c5dd19ad353314d78e6a74d230d3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7471dc1818dbffdb33ed857fe6a9f69f46c5dd19ad353314d78e6a74d230d3e", kill_on_drop: false }`
[INFO] [stdout] b7471dc1818dbffdb33ed857fe6a9f69f46c5dd19ad353314d78e6a74d230d3e