[INFO] cloning repository https://github.com/nellshamrell/sample_file_unit_tests
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nellshamrell/sample_file_unit_tests" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnellshamrell%2Fsample_file_unit_tests", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnellshamrell%2Fsample_file_unit_tests'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b1866751515bc57d3c8ecb40641f63f4b370143
[INFO] checking nellshamrell/sample_file_unit_tests against master#fc5af1813307d25a84d633f21e2e53c9376eb547 for pr-144386
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnellshamrell%2Fsample_file_unit_tests" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/nellshamrell/sample_file_unit_tests
[INFO] finished tweaking git repo https://github.com/nellshamrell/sample_file_unit_tests
[INFO] tweaked toml for git repo https://github.com/nellshamrell/sample_file_unit_tests written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/nellshamrell/sample_file_unit_tests on toolchain fc5af1813307d25a84d633f21e2e53c9376eb547
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/nellshamrell/sample_file_unit_tests 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" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11efc2177d0a6e73b2809f957341da6e15e0c470ef2a2a882eb57dacaa0e6afa
[INFO] running `Command { std: "docker" "start" "-a" "11efc2177d0a6e73b2809f957341da6e15e0c470ef2a2a882eb57dacaa0e6afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11efc2177d0a6e73b2809f957341da6e15e0c470ef2a2a882eb57dacaa0e6afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11efc2177d0a6e73b2809f957341da6e15e0c470ef2a2a882eb57dacaa0e6afa", kill_on_drop: false }`
[INFO] [stdout] 11efc2177d0a6e73b2809f957341da6e15e0c470ef2a2a882eb57dacaa0e6afa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+fc5af1813307d25a84d633f21e2e53c9376eb547" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b50015f903f7d490d7855984abdfd6ad81b453c5a98d3def6a2cab73146cf42
[INFO] running `Command { std: "docker" "start" "-a" "4b50015f903f7d490d7855984abdfd6ad81b453c5a98d3def6a2cab73146cf42", kill_on_drop: false }`
[INFO] [stderr]     Checking test-file-creation v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn create_file(filename: &str) {
[INFO] [stdout]   |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_file` is never used
[INFO] [stdout]  --> src/main.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn create_file(filename: &str) {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `filename`
[INFO] [stdout]  --> src/main.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn create_file(filename: &str) {
[INFO] [stdout]   |                ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_filename`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] running `Command { std: "docker" "inspect" "4b50015f903f7d490d7855984abdfd6ad81b453c5a98d3def6a2cab73146cf42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b50015f903f7d490d7855984abdfd6ad81b453c5a98d3def6a2cab73146cf42", kill_on_drop: false }`
[INFO] [stdout] 4b50015f903f7d490d7855984abdfd6ad81b453c5a98d3def6a2cab73146cf42