[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 try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAn-Tu%2Frust-template-creator" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/An-Tu/rust-template-creator on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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-4/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" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 21099e56dcc6ed8062ad04a57824fd66ac8fe5a9733327199aec2eb7584f8ca6
[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" "21099e56dcc6ed8062ad04a57824fd66ac8fe5a9733327199aec2eb7584f8ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21099e56dcc6ed8062ad04a57824fd66ac8fe5a9733327199aec2eb7584f8ca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21099e56dcc6ed8062ad04a57824fd66ac8fe5a9733327199aec2eb7584f8ca6", kill_on_drop: false }`
[INFO] [stdout] 21099e56dcc6ed8062ad04a57824fd66ac8fe5a9733327199aec2eb7584f8ca6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1c2f89b8330680cffac2901d5ebcb8020e96f77a7886021c7c2c93d3a7da9226
[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" "1c2f89b8330680cffac2901d5ebcb8020e96f77a7886021c7c2c93d3a7da9226", 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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "1c2f89b8330680cffac2901d5ebcb8020e96f77a7886021c7c2c93d3a7da9226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c2f89b8330680cffac2901d5ebcb8020e96f77a7886021c7c2c93d3a7da9226", kill_on_drop: false }`
[INFO] [stdout] 1c2f89b8330680cffac2901d5ebcb8020e96f77a7886021c7c2c93d3a7da9226