[INFO] updating cached repository https://github.com/not-for-me/hang-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59403b89f347288a9cd44ffdc4241260bafacd2
[INFO] testing not-for-me/hang-monitor against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/not-for-me/hang-monitor on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/not-for-me/hang-monitor
[INFO] finished tweaking git repo https://github.com/not-for-me/hang-monitor
[INFO] tweaked toml for git repo https://github.com/not-for-me/hang-monitor written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/not-for-me/hang-monitor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fb25868e043c57e6ca0f0929bc96128b4a26154542b12eaf766af38abf499bd5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb25868e043c57e6ca0f0929bc96128b4a26154542b12eaf766af38abf499bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb25868e043c57e6ca0f0929bc96128b4a26154542b12eaf766af38abf499bd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb25868e043c57e6ca0f0929bc96128b4a26154542b12eaf766af38abf499bd5", kill_on_drop: false }`
[INFO] [stdout] fb25868e043c57e6ca0f0929bc96128b4a26154542b12eaf766af38abf499bd5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 790d4606b74bcb6cfcc1143263172fa1bfc29003da92172ac848d4c971de3fd6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "790d4606b74bcb6cfcc1143263172fa1bfc29003da92172ac848d4c971de3fd6", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling arc-swap v0.3.6
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling signal-hook v0.1.6
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling hang-monitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0517]: attribute should be applied to enum
[INFO] [stdout]   --> src/lib.rs:29:8
[INFO] [stdout]    |
[INFO] [stdout] 29 |   #[repr(u128)]
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 30 | / pub fn run(conf: Config) {
[INFO] [stdout] 31 | |     let mut file = match OpenOptions::new().append(true).create(true).open(conf.log_path) {
[INFO] [stdout] 32 | |         Err(why) => panic!("couldn't open file, reason: {}", why.description()),
[INFO] [stdout] 33 | |         Ok(file) => file,
[INFO] [stdout] ...  |
[INFO] [stdout] 54 | |     }
[INFO] [stdout] 55 | | }
[INFO] [stdout]    | |_- not an enum
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:32:66
[INFO] [stdout]    |
[INFO] [stdout] 32 |         Err(why) => panic!("couldn't open file, reason: {}", why.description()),
[INFO] [stdout]    |                                                                  ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/lib.rs:50:62
[INFO] [stdout]    |
[INFO] [stdout] 50 |                 Err(why) => panic!("couldn't write: {}", why.description()),
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0517`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hang-monitor`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "790d4606b74bcb6cfcc1143263172fa1bfc29003da92172ac848d4c971de3fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "790d4606b74bcb6cfcc1143263172fa1bfc29003da92172ac848d4c971de3fd6", kill_on_drop: false }`
[INFO] [stdout] 790d4606b74bcb6cfcc1143263172fa1bfc29003da92172ac848d4c971de3fd6