[INFO] cloning repository https://github.com/marius851000/painted-palette-mgr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/marius851000/painted-palette-mgr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarius851000%2Fpainted-palette-mgr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarius851000%2Fpainted-palette-mgr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c0a99b949efad4a38e86cb265971b62d029cacd
[INFO] checking marius851000/painted-palette-mgr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarius851000%2Fpainted-palette-mgr" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/marius851000/painted-palette-mgr on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/marius851000/painted-palette-mgr
[INFO] finished tweaking git repo https://github.com/marius851000/painted-palette-mgr
[INFO] tweaked toml for git repo https://github.com/marius851000/painted-palette-mgr written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/marius851000/painted-palette-mgr 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffddb876d66e380df2be5b91be38ca272ffadd387ce0c34f24712b4ea10a0c75
[INFO] running `Command { std: "docker" "start" "-a" "ffddb876d66e380df2be5b91be38ca272ffadd387ce0c34f24712b4ea10a0c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffddb876d66e380df2be5b91be38ca272ffadd387ce0c34f24712b4ea10a0c75", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffddb876d66e380df2be5b91be38ca272ffadd387ce0c34f24712b4ea10a0c75", kill_on_drop: false }`
[INFO] [stdout] ffddb876d66e380df2be5b91be38ca272ffadd387ce0c34f24712b4ea10a0c75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 50098f6ded55f55792bb29bb23b00e1d3e0856b6047ade4cf166a8ae4655d5eb
[INFO] running `Command { std: "docker" "start" "-a" "50098f6ded55f55792bb29bb23b00e1d3e0856b6047ade4cf166a8ae4655d5eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling serde v1.0.174
[INFO] [stderr]    Compiling serde_json v1.0.103
[INFO] [stderr]    Compiling serde_derive v1.0.174
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking crc-catalog v2.2.0
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking crc v3.0.1
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking nix v0.26.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking chrono v0.4.26
[INFO] [stderr]     Checking painted-palette-mgr v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Thread`, `process::CommandExt`, `thread`, `time::Duration`
[INFO] [stdout]  --> src/manager.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{Arc, Mutex}, thread::{Thread, spawn}, process::Command, os::unix::{thread, process::CommandExt}, time::Duration, path::P...
[INFO] [stdout]   |                                        ^^^^^^                                       ^^^^^^  ^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signal`, `libc::getpgid`, `self`, `unistd::Pid`
[INFO] [stdout]  --> src/manager.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::{sys::signal::{self, Signal}, unistd::Pid, libc::getpgid};
[INFO] [stdout]   |                         ^^^^  ^^^^^^   ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wait_timeout::ChildExt`
[INFO] [stdout]  --> src/manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use wait_timeout::ChildExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Session`
[INFO] [stdout]  --> src/manager.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Users, Session, Config, User, PPConfig, PPUser};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Thread`, `process::CommandExt`, `thread`, `time::Duration`
[INFO] [stdout]  --> src/manager.rs:1:40
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{sync::{Arc, Mutex}, thread::{Thread, spawn}, process::Command, os::unix::{thread, process::CommandExt}, time::Duration, path::P...
[INFO] [stdout]   |                                        ^^^^^^                                       ^^^^^^  ^^^^^^^^^^^^^^^^^^^   ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Signal`, `libc::getpgid`, `self`, `unistd::Pid`
[INFO] [stdout]  --> src/manager.rs:2:25
[INFO] [stdout]   |
[INFO] [stdout] 2 | use nix::{sys::signal::{self, Signal}, unistd::Pid, libc::getpgid};
[INFO] [stdout]   |                         ^^^^  ^^^^^^   ^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `wait_timeout::ChildExt`
[INFO] [stdout]  --> src/manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use wait_timeout::ChildExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Session`
[INFO] [stdout]  --> src/manager.rs:4:20
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::{Users, Session, Config, User, PPConfig, PPUser};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if (nb < 0) {
[INFO] [stdout]    |            ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -         if (nb < 0) {
[INFO] [stdout] 33 +         if nb < 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/main.rs:33:12
[INFO] [stdout]    |
[INFO] [stdout] 33 |         if (nb < 0) {
[INFO] [stdout]    |            ^      ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 33 -         if (nb < 0) {
[INFO] [stdout] 33 +         if nb < 0 {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut config = Config {
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |     let mut config = Config {
[INFO] [stdout]   |         ----^^^^^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.72s
[INFO] running `Command { std: "docker" "inspect" "50098f6ded55f55792bb29bb23b00e1d3e0856b6047ade4cf166a8ae4655d5eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50098f6ded55f55792bb29bb23b00e1d3e0856b6047ade4cf166a8ae4655d5eb", kill_on_drop: false }`
[INFO] [stdout] 50098f6ded55f55792bb29bb23b00e1d3e0856b6047ade4cf166a8ae4655d5eb