[INFO] cloning repository https://github.com/smac330/Supplement-P2_4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/smac330/Supplement-P2_4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmac330%2FSupplement-P2_4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmac330%2FSupplement-P2_4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 19eaa19b5c4203f253344162503cb56411fa265c
[INFO] checking smac330/Supplement-P2_4 against try#4907eac94165faff6c5e5e015670b1c584275f7b for pr-154149
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsmac330%2FSupplement-P2_4" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/smac330/Supplement-P2_4
[INFO] finished tweaking git repo https://github.com/smac330/Supplement-P2_4
[INFO] tweaked toml for git repo https://github.com/smac330/Supplement-P2_4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/smac330/Supplement-P2_4 on toolchain 4907eac94165faff6c5e5e015670b1c584275f7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/smac330/Supplement-P2_4 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" "+4907eac94165faff6c5e5e015670b1c584275f7b" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f3b81c3c3a5573f645b1607671b6d121ba93aa86c6c4177eb989cbe2fc4b0bee
[INFO] running `Command { std: "docker" "start" "-a" "f3b81c3c3a5573f645b1607671b6d121ba93aa86c6c4177eb989cbe2fc4b0bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f3b81c3c3a5573f645b1607671b6d121ba93aa86c6c4177eb989cbe2fc4b0bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b81c3c3a5573f645b1607671b6d121ba93aa86c6c4177eb989cbe2fc4b0bee", kill_on_drop: false }`
[INFO] [stdout] f3b81c3c3a5573f645b1607671b6d121ba93aa86c6c4177eb989cbe2fc4b0bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+4907eac94165faff6c5e5e015670b1c584275f7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14fe280b30ddd75d441a7040c2882808aec087f564104435432af1db255dc09d
[INFO] running `Command { std: "docker" "start" "-a" "14fe280b30ddd75d441a7040c2882808aec087f564104435432af1db255dc09d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.171
[INFO] [stderr]     Checking linux-raw-sys v0.9.3
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking supplement_p2_p4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `env`, `path::Path`, `process::Command`, `remove_dir_all`, and `self`
[INFO] [stdout]  --> src/test.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use std::{env, fs::{self, remove_dir_all}, path::Path, process::Command};
[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 imports: `create_directories` and `init_git_repo`
[INFO] [stdout]  --> src/test.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 |     use crate::{create_directories, init_git_repo};
[INFO] [stdout]   |                 ^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `call_echo` is never used
[INFO] [stdout]  --> src/lib.rs:3:4
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn call_echo(input: &str) {
[INFO] [stdout]   |    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_directories` is never used
[INFO] [stdout]   --> src/lib.rs:10:4
[INFO] [stdout]    |
[INFO] [stdout] 10 | fn create_directories(count: u32, prefix: &str) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `init_git_repo` is never used
[INFO] [stdout]   --> src/lib.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn init_git_repo() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]   --> src/lib.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn main() {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rustix v1.0.5
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]     Checking tempfile v3.19.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "14fe280b30ddd75d441a7040c2882808aec087f564104435432af1db255dc09d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14fe280b30ddd75d441a7040c2882808aec087f564104435432af1db255dc09d", kill_on_drop: false }`
[INFO] [stdout] 14fe280b30ddd75d441a7040c2882808aec087f564104435432af1db255dc09d