[INFO] cloning 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" "clone" "--bare" "https://github.com/not-for-me/hang-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d59403b89f347288a9cd44ffdc4241260bafacd2
[INFO] testing not-for-me/hang-monitor against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnot-for-me%2Fhang-monitor" "/workspace/builds/worker-44/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-44/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/not-for-me/hang-monitor on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-44/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85192cc742028630b7eff9667c26f4081c08ebd5a3a4283926bce4a6140a3f1e
[INFO] running `Command { std: "docker" "start" "-a" "85192cc742028630b7eff9667c26f4081c08ebd5a3a4283926bce4a6140a3f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85192cc742028630b7eff9667c26f4081c08ebd5a3a4283926bce4a6140a3f1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85192cc742028630b7eff9667c26f4081c08ebd5a3a4283926bce4a6140a3f1e", kill_on_drop: false }`
[INFO] [stdout] 85192cc742028630b7eff9667c26f4081c08ebd5a3a4283926bce4a6140a3f1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-44/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18e2f4764ac5ee2be852151019939d6fc56840bdd631c994a0f8476833600e5d
[INFO] running `Command { std: "docker" "start" "-a" "18e2f4764ac5ee2be852151019939d6fc56840bdd631c994a0f8476833600e5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[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 an 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 associated function `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 associated function `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` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "18e2f4764ac5ee2be852151019939d6fc56840bdd631c994a0f8476833600e5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18e2f4764ac5ee2be852151019939d6fc56840bdd631c994a0f8476833600e5d", kill_on_drop: false }`
[INFO] [stdout] 18e2f4764ac5ee2be852151019939d6fc56840bdd631c994a0f8476833600e5d