[INFO] cloning repository https://github.com/An-Tu/rust-template-creator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/An-Tu/rust-template-creator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-Tu%2Frust-template-creator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-Tu%2Frust-template-creator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e66be8bfb3607be658fcf362676d7c75351a8674
[INFO] checking An-Tu/rust-template-creator against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-Tu%2Frust-template-creator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/An-Tu/rust-template-creator on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/An-Tu/rust-template-creator
[INFO] finished tweaking git repo https://github.com/An-Tu/rust-template-creator
[INFO] tweaked toml for git repo https://github.com/An-Tu/rust-template-creator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/An-Tu/rust-template-creator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0751742e2dc75436dbe222053fe2c0282a66514c1abf6367946aeff3b6b4f1b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a0751742e2dc75436dbe222053fe2c0282a66514c1abf6367946aeff3b6b4f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0751742e2dc75436dbe222053fe2c0282a66514c1abf6367946aeff3b6b4f1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0751742e2dc75436dbe222053fe2c0282a66514c1abf6367946aeff3b6b4f1b", kill_on_drop: false }`
[INFO] [stdout] a0751742e2dc75436dbe222053fe2c0282a66514c1abf6367946aeff3b6b4f1b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7601ddefb572ce23db9419c0b29dbbe3ebeb7854a4630d0a016f815cedc34790
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7601ddefb572ce23db9419c0b29dbbe3ebeb7854a4630d0a016f815cedc34790", kill_on_drop: false }`
[INFO] [stderr]     Checking template_creator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/fs_helpers.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file<P: AsRef<Path>>(path_to_file: P) -> Result<String> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_file`
[INFO] [stdout]  --> src/fs_helpers.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub fn read_file<P: AsRef<Path>>(path_to_file: P) -> Result<String> {
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "7601ddefb572ce23db9419c0b29dbbe3ebeb7854a4630d0a016f815cedc34790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7601ddefb572ce23db9419c0b29dbbe3ebeb7854a4630d0a016f815cedc34790", kill_on_drop: false }`
[INFO] [stdout] 7601ddefb572ce23db9419c0b29dbbe3ebeb7854a4630d0a016f815cedc34790