[INFO] cloning repository https://github.com/yaanhyy/process_monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yaanhyy/process_monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaanhyy%2Fprocess_monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaanhyy%2Fprocess_monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccdf5028fa4f99ad30cdd292bd3488b871203c86
[INFO] testing yaanhyy/process_monitor against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyaanhyy%2Fprocess_monitor" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/yaanhyy/process_monitor on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/yaanhyy/process_monitor
[INFO] finished tweaking git repo https://github.com/yaanhyy/process_monitor
[INFO] tweaked toml for git repo https://github.com/yaanhyy/process_monitor written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/yaanhyy/process_monitor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4dd6f675678dea022d82cb9ee50c28889379f965bcac2846072a4ac79ab9bf04
[INFO] running `Command { std: "docker" "start" "-a" "4dd6f675678dea022d82cb9ee50c28889379f965bcac2846072a4ac79ab9bf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4dd6f675678dea022d82cb9ee50c28889379f965bcac2846072a4ac79ab9bf04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dd6f675678dea022d82cb9ee50c28889379f965bcac2846072a4ac79ab9bf04", kill_on_drop: false }`
[INFO] [stdout] 4dd6f675678dea022d82cb9ee50c28889379f965bcac2846072a4ac79ab9bf04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a335b68c265d09521ea40b57a5991ebdf709578945d453fa31fbfdb43dfc7212
[INFO] running `Command { std: "docker" "start" "-a" "a335b68c265d09521ea40b57a5991ebdf709578945d453fa31fbfdb43dfc7212", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling spawn_forever v0.1.0 (/opt/rustwide/workdir/spawn_forever)
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stdout] warning: unused imports: `convert::AsRef`, `env`, `thread`, `time::Duration`
[INFO] [stdout]  --> spawn_forever/src/main.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io, thread, time::Duration, env, convert::AsRef};
[INFO] [stdout]   |               ^^^^^^  ^^^^^^^^^^^^^^  ^^^  ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]  --> spawn_forever/src/main.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while(true) {
[INFO] [stdout]   |          ^^^^^^ help: remove these parentheses
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]  --> spawn_forever/src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     while(true) {
[INFO] [stdout]   |     ^^^^^^^^^^^ help: use `loop`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling fork v0.1.18
[INFO] [stderr]    Compiling forever v0.1.0 (/opt/rustwide/workdir/forever)
[INFO] [stdout] error: expected one of `!`, `.`, `::`, `;`, `?`, `{`, `}`, or an operator, found keyword `if`
[INFO] [stdout]   --> forever/src/main.rs:37:10
[INFO] [stdout]    |
[INFO] [stdout] 37 |      q   if pid_name.eq("exit") {
[INFO] [stdout]    |          ^^ expected one of 8 possible tokens
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `convert::AsRef`, `io`, `thread`, `time::Duration`
[INFO] [stdout]  --> forever/src/main.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{io, thread, time::Duration, env, convert::AsRef};
[INFO] [stdout]   |           ^^  ^^^^^^  ^^^^^^^^^^^^^^       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fork`
[INFO] [stdout]  --> forever/src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | use fork::{fork, daemon, Fork};
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `while` condition
[INFO] [stdout]   --> forever/src/main.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 |         while(true) {
[INFO] [stdout]    |              ^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> forever/src/main.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 16 |         while(true) {
[INFO] [stdout]    |         ^^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `forever` due to 2 previous errors; 4 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "a335b68c265d09521ea40b57a5991ebdf709578945d453fa31fbfdb43dfc7212", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a335b68c265d09521ea40b57a5991ebdf709578945d453fa31fbfdb43dfc7212", kill_on_drop: false }`
[INFO] [stdout] a335b68c265d09521ea40b57a5991ebdf709578945d453fa31fbfdb43dfc7212