[INFO] cloning repository https://github.com/merq-rodriguez/write-then-read-files-with-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merq-rodriguez/write-then-read-files-with-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerq-rodriguez%2Fwrite-then-read-files-with-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerq-rodriguez%2Fwrite-then-read-files-with-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6e85c3e527415199aad53843a8e4eec5d2b2d57e
[INFO] building merq-rodriguez/write-then-read-files-with-rust against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerq-rodriguez%2Fwrite-then-read-files-with-rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/merq-rodriguez/write-then-read-files-with-rust on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/merq-rodriguez/write-then-read-files-with-rust
[INFO] finished tweaking git repo https://github.com/merq-rodriguez/write-then-read-files-with-rust
[INFO] tweaked toml for git repo https://github.com/merq-rodriguez/write-then-read-files-with-rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/merq-rodriguez/write-then-read-files-with-rust 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a8031d383a35d5f8faa0f20f92da4990135e119c4bd0294d3f8a1b801c98c52
[INFO] running `Command { std: "docker" "start" "-a" "8a8031d383a35d5f8faa0f20f92da4990135e119c4bd0294d3f8a1b801c98c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a8031d383a35d5f8faa0f20f92da4990135e119c4bd0294d3f8a1b801c98c52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a8031d383a35d5f8faa0f20f92da4990135e119c4bd0294d3f8a1b801c98c52", kill_on_drop: false }`
[INFO] [stdout] 8a8031d383a35d5f8faa0f20f92da4990135e119c4bd0294d3f8a1b801c98c52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9bcc1aa4301971d51dbdd5f5551bccb8e7536ec44eb0121977edd038bb776fac
[INFO] running `Command { std: "docker" "start" "-a" "9bcc1aa4301971d51dbdd5f5551bccb8e7536ec44eb0121977edd038bb776fac", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.0
[INFO] [stderr]    Compiling write_then_read_files v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn read_file(file_name: String) -> File {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getSample` is never used
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn getSample() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getSample` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn getSample() {
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `get_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.12s
[INFO] running `Command { std: "docker" "inspect" "9bcc1aa4301971d51dbdd5f5551bccb8e7536ec44eb0121977edd038bb776fac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bcc1aa4301971d51dbdd5f5551bccb8e7536ec44eb0121977edd038bb776fac", kill_on_drop: false }`
[INFO] [stdout] 9bcc1aa4301971d51dbdd5f5551bccb8e7536ec44eb0121977edd038bb776fac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8c664033c583253ff8abdba22253ae954f326ebca54fd775640efa7a0aaa2ef
[INFO] running `Command { std: "docker" "start" "-a" "d8c664033c583253ff8abdba22253ae954f326ebca54fd775640efa7a0aaa2ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling write_then_read_files v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `read_file` is never used
[INFO] [stdout]   --> src/main.rs:21:4
[INFO] [stdout]    |
[INFO] [stdout] 21 | fn read_file(file_name: String) -> File {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getSample` is never used
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn getSample() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `getSample` should have a snake case name
[INFO] [stdout]   --> src/main.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn getSample() {
[INFO] [stdout]    |    ^^^^^^^^^ help: convert the identifier to snake case: `get_sample`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "d8c664033c583253ff8abdba22253ae954f326ebca54fd775640efa7a0aaa2ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8c664033c583253ff8abdba22253ae954f326ebca54fd775640efa7a0aaa2ef", kill_on_drop: false }`
[INFO] [stdout] d8c664033c583253ff8abdba22253ae954f326ebca54fd775640efa7a0aaa2ef