[INFO] cloning repository https://github.com/21paradox/zxic-ping
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/21paradox/zxic-ping" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21paradox%2Fzxic-ping", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21paradox%2Fzxic-ping'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f00d2cf5f1c0d1d297c324e4a5dac20e223092b1
[INFO] checking 21paradox/zxic-ping against master#3f6250a7bb79e600d9036bbc7c8f65af43933643 for pr-147859
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F21paradox%2Fzxic-ping" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-3-tc1/source/.cargo/config.toml
[INFO] started tweaking git repo https://github.com/21paradox/zxic-ping
[INFO] finished tweaking git repo https://github.com/21paradox/zxic-ping
[INFO] tweaked toml for git repo https://github.com/21paradox/zxic-ping written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/21paradox/zxic-ping on toolchain 3f6250a7bb79e600d9036bbc7c8f65af43933643
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/21paradox/zxic-ping 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" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "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]  Downloading crates ...
[INFO] [stderr]   Downloaded daemonize v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 128c76b2e8fa1d604055b37f44c2a0eeb62f465f98d556418226089324104fe2
[INFO] running `Command { std: "docker" "start" "-a" "128c76b2e8fa1d604055b37f44c2a0eeb62f465f98d556418226089324104fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "128c76b2e8fa1d604055b37f44c2a0eeb62f465f98d556418226089324104fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128c76b2e8fa1d604055b37f44c2a0eeb62f465f98d556418226089324104fe2", kill_on_drop: false }`
[INFO] [stdout] 128c76b2e8fa1d604055b37f44c2a0eeb62f465f98d556418226089324104fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:61361fe0aef631f17e9d025a70c5a647956f8c671dd02950a60ad3f5cc5526d7" "/opt/rustwide/cargo-home/bin/cargo" "+3f6250a7bb79e600d9036bbc7c8f65af43933643" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56263f4c3d9b356cec09de46184f9e33f7dd34db6123cc07461b013ac150df90
[INFO] running `Command { std: "docker" "start" "-a" "56263f4c3d9b356cec09de46184f9e33f7dd34db6123cc07461b013ac150df90", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]     Checking daemonize v0.5.0
[INFO] [stderr]     Checking zxic_ping v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `c_int`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libc::{self, c_int};
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `c_int`
[INFO] [stdout]   --> src/main.rs:12:18
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libc::{self, c_int};
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/main.rs:351:41
[INFO] [stdout]      |
[INFO] [stdout]  351 |             let ret = libc::setpriority(libc::PRIO_PROCESS as libc::c_int, who, priority);
[INFO] [stdout]      |                       ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.177/src/unix/linux_like/linux/gnu/mod.rs:1216:12
[INFO] [stdout]      |
[INFO] [stdout] 1216 |     pub fn setpriority(which: crate::__priority_which_t, who: crate::id_t, prio: c_int) -> c_int;
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout]  351 |             let ret = libc::setpriority((libc::PRIO_PROCESS as libc::c_int).try_into().unwrap(), who, priority);
[INFO] [stdout]      |                                         +                                 +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]     --> src/main.rs:351:41
[INFO] [stdout]      |
[INFO] [stdout]  351 |             let ret = libc::setpriority(libc::PRIO_PROCESS as libc::c_int, who, priority);
[INFO] [stdout]      |                       ----------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u32`, found `i32`
[INFO] [stdout]      |                       |
[INFO] [stdout]      |                       arguments to this function are incorrect
[INFO] [stdout]      |
[INFO] [stdout] note: function defined here
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/libc-0.2.177/src/unix/linux_like/linux/gnu/mod.rs:1216:12
[INFO] [stdout]      |
[INFO] [stdout] 1216 |     pub fn setpriority(which: crate::__priority_which_t, who: crate::id_t, prio: c_int) -> c_int;
[INFO] [stdout]      |            ^^^^^^^^^^^
[INFO] [stdout] help: you can convert an `i32` to a `u32` and panic if the converted value doesn't fit
[INFO] [stdout]      |
[INFO] [stdout]  351 |             let ret = libc::setpriority((libc::PRIO_PROCESS as libc::c_int).try_into().unwrap(), who, priority);
[INFO] [stdout]      |                                         +                                 +++++++++++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut last_log_prune = Instant::now();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log_prune`
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut last_log_prune = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log_prune`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut last_log_prune = Instant::now();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log_prune`
[INFO] [stdout]    --> src/main.rs:121:9
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let mut last_log_prune = Instant::now();
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log_prune`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:165:17
[INFO] [stdout]     |
[INFO] [stdout] 165 |             Err(e) => {
[INFO] [stdout]     |                 ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]    --> src/main.rs:624:17
[INFO] [stdout]     |
[INFO] [stdout] 624 |             let duration = start.elapsed();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `duration`
[INFO] [stdout]    --> src/main.rs:624:17
[INFO] [stdout]     |
[INFO] [stdout] 624 |             let duration = start.elapsed();
[INFO] [stdout]     |                 ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:795:13
[INFO] [stdout]     |
[INFO] [stdout] 795 |         let mut child = Command::new("/bin/goahead")
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:795:13
[INFO] [stdout]     |
[INFO] [stdout] 795 |         let mut child = Command::new("/bin/goahead")
[INFO] [stdout]     |             ----^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zxic_ping` (bin "zxic_ping" test) due to 1 previous error; 6 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `zxic_ping` (bin "zxic_ping") due to 1 previous error; 6 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "56263f4c3d9b356cec09de46184f9e33f7dd34db6123cc07461b013ac150df90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56263f4c3d9b356cec09de46184f9e33f7dd34db6123cc07461b013ac150df90", kill_on_drop: false }`
[INFO] [stdout] 56263f4c3d9b356cec09de46184f9e33f7dd34db6123cc07461b013ac150df90
