[INFO] cloning repository https://github.com/torbatti/myRustJourney-learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/torbatti/myRustJourney-learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorbatti%2FmyRustJourney-learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorbatti%2FmyRustJourney-learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a46b43810c27c0074f4302468105abed66d0d324
[INFO] checking torbatti/myRustJourney-learning against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftorbatti%2FmyRustJourney-learning" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/torbatti/myRustJourney-learning on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/torbatti/myRustJourney-learning
[INFO] finished tweaking git repo https://github.com/torbatti/myRustJourney-learning
[INFO] tweaked toml for git repo https://github.com/torbatti/myRustJourney-learning written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/torbatti/myRustJourney-learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f65b7482e01421e8d58ccbb40d1455f02d2695e74e3e49d9a290aba8b346b6d9
[INFO] running `Command { std: "docker" "start" "-a" "f65b7482e01421e8d58ccbb40d1455f02d2695e74e3e49d9a290aba8b346b6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f65b7482e01421e8d58ccbb40d1455f02d2695e74e3e49d9a290aba8b346b6d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65b7482e01421e8d58ccbb40d1455f02d2695e74e3e49d9a290aba8b346b6d9", kill_on_drop: false }`
[INFO] [stdout] f65b7482e01421e8d58ccbb40d1455f02d2695e74e3e49d9a290aba8b346b6d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb466bcc03a8ee7a7ddbaa2e551dc21f0c80880376aa80e9cd00f32ecd329939
[INFO] running `Command { std: "docker" "start" "-a" "bb466bcc03a8ee7a7ddbaa2e551dc21f0c80880376aa80e9cd00f32ecd329939", kill_on_drop: false }`
[INFO] [stderr]     Checking learn v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/declaring_first.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let b = 3;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `analyze_slice`
[INFO] [stdout]   --> src/arrays_slices.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn analyze_slice(slice: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/arrays_slices.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn run() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/declaring_first.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/declaring_first.rs:16:13
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let b = 3;
[INFO] [stdout]    |             ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `analyze_slice`
[INFO] [stdout]   --> src/arrays_slices.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn analyze_slice(slice: &[i32]) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]   --> src/arrays_slices.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn run() {
[INFO] [stdout]    |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run`
[INFO] [stdout]  --> src/declaring_first.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn run() {
[INFO] [stdout]   |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb466bcc03a8ee7a7ddbaa2e551dc21f0c80880376aa80e9cd00f32ecd329939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb466bcc03a8ee7a7ddbaa2e551dc21f0c80880376aa80e9cd00f32ecd329939", kill_on_drop: false }`
[INFO] [stdout] bb466bcc03a8ee7a7ddbaa2e551dc21f0c80880376aa80e9cd00f32ecd329939