[INFO] cloning repository https://github.com/juliusl/rs-hotreloadexample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juliusl/rs-hotreloadexample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliusl%2Frs-hotreloadexample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliusl%2Frs-hotreloadexample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6026d6641c714d10ae0182ebfdc7ec8153af6326
[INFO] checking juliusl/rs-hotreloadexample against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliusl%2Frs-hotreloadexample" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/juliusl/rs-hotreloadexample
[INFO] finished tweaking git repo https://github.com/juliusl/rs-hotreloadexample
[INFO] tweaked toml for git repo https://github.com/juliusl/rs-hotreloadexample written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/juliusl/rs-hotreloadexample on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/juliusl/rs-hotreloadexample 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "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 juliusl/rs-hotreloadexample against try#dd2d87b6cc31907ae305875eb6be399783dc0256 for pr-143929
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuliusl%2Frs-hotreloadexample" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/juliusl/rs-hotreloadexample
[INFO] finished tweaking git repo https://github.com/juliusl/rs-hotreloadexample
[INFO] tweaked toml for git repo https://github.com/juliusl/rs-hotreloadexample written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/juliusl/rs-hotreloadexample on toolchain dd2d87b6cc31907ae305875eb6be399783dc0256
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/juliusl/rs-hotreloadexample 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" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "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 inotify v0.7.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded cstr v0.2.10
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded filetime v0.2.16
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded libc v0.2.123
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77dcf4f636cd449ac801a2c10c75f93db8a10c08f34e47a62e243bb4b4a0a810
[INFO] running `Command { std: "docker" "start" "-a" "77dcf4f636cd449ac801a2c10c75f93db8a10c08f34e47a62e243bb4b4a0a810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77dcf4f636cd449ac801a2c10c75f93db8a10c08f34e47a62e243bb4b4a0a810", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77dcf4f636cd449ac801a2c10c75f93db8a10c08f34e47a62e243bb4b4a0a810", kill_on_drop: false }`
[INFO] [stdout] 77dcf4f636cd449ac801a2c10c75f93db8a10c08f34e47a62e243bb4b4a0a810
[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:e8955075918b6d00525c617f7c34ee2595c70db70b3cf844dc875e4d3604499b" "/opt/rustwide/cargo-home/bin/cargo" "+dd2d87b6cc31907ae305875eb6be399783dc0256" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8245381a8cddef02c8eafea18215cbfcf794c269d561dba6241573fa4e4cfd72
[INFO] running `Command { std: "docker" "start" "-a" "8245381a8cddef02c8eafea18215cbfcf794c269d561dba6241573fa4e4cfd72", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking libloading v0.7.3
[INFO] [stderr]     Checking greet v0.1.0 (/opt/rustwide/workdir/libgreet)
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling cstr v0.2.10
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking reload v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/main.rs:3:86
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{os::raw::c_char, sync::mpsc::channel, time::Duration, path::PathBuf, ffi::{CStr, CString}};
[INFO] [stdout]   |                                                                                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `CStr`
[INFO] [stdout]  --> src/main.rs:3:86
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{os::raw::c_char, sync::mpsc::channel, time::Duration, path::PathBuf, ffi::{CStr, CString}};
[INFO] [stdout]   |                                                                                      ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "8245381a8cddef02c8eafea18215cbfcf794c269d561dba6241573fa4e4cfd72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8245381a8cddef02c8eafea18215cbfcf794c269d561dba6241573fa4e4cfd72", kill_on_drop: false }`
[INFO] [stdout] 8245381a8cddef02c8eafea18215cbfcf794c269d561dba6241573fa4e4cfd72