[INFO] cloning repository https://github.com/Knight174/rust-demo-3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Knight174/rust-demo-3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight174%2Frust-demo-3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight174%2Frust-demo-3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ffc8354e16d4ebfd1009592915c04ab74024ed24
[INFO] checking Knight174/rust-demo-3 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight174%2Frust-demo-3" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Knight174/rust-demo-3
[INFO] finished tweaking git repo https://github.com/Knight174/rust-demo-3
[INFO] tweaked toml for git repo https://github.com/Knight174/rust-demo-3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Knight174/rust-demo-3 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Knight174/rust-demo-3 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 Knight174/rust-demo-3 against try#78c81ee3917a99dcff6e2e6822800f0492c415c3 for pr-148967
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKnight174%2Frust-demo-3" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Knight174/rust-demo-3
[INFO] finished tweaking git repo https://github.com/Knight174/rust-demo-3
[INFO] tweaked toml for git repo https://github.com/Knight174/rust-demo-3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Knight174/rust-demo-3 on toolchain 78c81ee3917a99dcff6e2e6822800f0492c415c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Knight174/rust-demo-3 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" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "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 indenter v0.3.3
[INFO] [stderr]   Downloaded tracing-error v0.2.0
[INFO] [stderr]   Downloaded owo-colors v3.5.0
[INFO] [stderr]   Downloaded addr2line v0.20.0
[INFO] [stderr]   Downloaded eyre v0.6.8
[INFO] [stderr]   Downloaded object v0.31.1
[INFO] [stderr]   Downloaded backtrace v0.3.68
[INFO] [stderr]   Downloaded pin-project-lite v0.2.10
[INFO] [stderr]   Downloaded color-spantrace v0.2.0
[INFO] [stderr]   Downloaded gimli v0.27.3
[INFO] [stderr]   Downloaded color-eyre v0.6.2
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a709e2b80694678c5e89e84e8672b5f5f89a8f875811d0126f34383d58a02de9
[INFO] running `Command { std: "docker" "start" "-a" "a709e2b80694678c5e89e84e8672b5f5f89a8f875811d0126f34383d58a02de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a709e2b80694678c5e89e84e8672b5f5f89a8f875811d0126f34383d58a02de9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a709e2b80694678c5e89e84e8672b5f5f89a8f875811d0126f34383d58a02de9", kill_on_drop: false }`
[INFO] [stdout] a709e2b80694678c5e89e84e8672b5f5f89a8f875811d0126f34383d58a02de9
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+78c81ee3917a99dcff6e2e6822800f0492c415c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cdeaca081b50321133432f5e4a74a6c138a01f3f32b1b0d8658493f2ddc7bdd7
[INFO] running `Command { std: "docker" "start" "-a" "cdeaca081b50321133432f5e4a74a6c138a01f3f32b1b0d8658493f2ddc7bdd7", kill_on_drop: false }`
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.10
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling eyre v0.6.8
[INFO] [stderr]     Checking gimli v0.27.3
[INFO] [stderr]     Checking owo-colors v3.5.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking indenter v0.3.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking miniz_oxide v0.7.1
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]    Compiling backtrace v0.3.68
[INFO] [stderr]     Checking object v0.31.1
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking tracing-error v0.2.0
[INFO] [stderr]     Checking color-spantrace v0.2.0
[INFO] [stderr]     Checking addr2line v0.20.0
[INFO] [stderr]     Checking color-eyre v0.6.2
[INFO] [stderr]     Checking digital-garden v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.73s
[INFO] running `Command { std: "docker" "inspect" "cdeaca081b50321133432f5e4a74a6c138a01f3f32b1b0d8658493f2ddc7bdd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdeaca081b50321133432f5e4a74a6c138a01f3f32b1b0d8658493f2ddc7bdd7", kill_on_drop: false }`
[INFO] [stdout] cdeaca081b50321133432f5e4a74a6c138a01f3f32b1b0d8658493f2ddc7bdd7