[INFO] cloning repository https://github.com/tountoye12/second-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tountoye12/second-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftountoye12%2Fsecond-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftountoye12%2Fsecond-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a923124144fadac4bf6a47bb3acf25f545c680f9
[INFO] checking tountoye12/second-rust against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftountoye12%2Fsecond-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tountoye12/second-rust
[INFO] finished tweaking git repo https://github.com/tountoye12/second-rust
[INFO] tweaked toml for git repo https://github.com/tountoye12/second-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tountoye12/second-rust on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tountoye12/second-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ea58eba059463033c4c18da5cf003e1d766465d647821b0f2bf927be91c179fc
[INFO] running `Command { std: "docker" "start" "-a" "ea58eba059463033c4c18da5cf003e1d766465d647821b0f2bf927be91c179fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ea58eba059463033c4c18da5cf003e1d766465d647821b0f2bf927be91c179fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea58eba059463033c4c18da5cf003e1d766465d647821b0f2bf927be91c179fc", kill_on_drop: false }`
[INFO] [stdout] ea58eba059463033c4c18da5cf003e1d766465d647821b0f2bf927be91c179fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f03f86b2512ccb9d6fd14d9e8e8a35bf25ef583c8864f08faa77e761900e42e2
[INFO] running `Command { std: "docker" "start" "-a" "f03f86b2512ccb9d6fd14d9e8e8a35bf25ef583c8864f08faa77e761900e42e2", kill_on_drop: false }`
[INFO] [stderr]     Checking second_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `give_info` is never used
[INFO] [stdout]   --> src/functions.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn give_info(first_name :&str, last_name : &str, age: u8) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_name` is never used
[INFO] [stdout]  --> src/functions.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn get_full_name(first_name: &str, last_name:&str) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_age` is never used
[INFO] [stdout]   --> src/functions.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get_age(age: u8) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_closures` is never used
[INFO] [stdout]  --> src/closures.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn test_closures() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_match` is never used
[INFO] [stdout]  --> src/test_matches.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test_match() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `give_info` is never used
[INFO] [stdout]   --> src/functions.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn give_info(first_name :&str, last_name : &str, age: u8) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_full_name` is never used
[INFO] [stdout]  --> src/functions.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 |     pub fn get_full_name(first_name: &str, last_name:&str) -> String {
[INFO] [stdout]   |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_age` is never used
[INFO] [stdout]   --> src/functions.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub fn get_age(age: u8) -> u8 {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_closures` is never used
[INFO] [stdout]  --> src/closures.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub fn test_closures() {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_match` is never used
[INFO] [stdout]  --> src/test_matches.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn test_match() {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "f03f86b2512ccb9d6fd14d9e8e8a35bf25ef583c8864f08faa77e761900e42e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03f86b2512ccb9d6fd14d9e8e8a35bf25ef583c8864f08faa77e761900e42e2", kill_on_drop: false }`
[INFO] [stdout] f03f86b2512ccb9d6fd14d9e8e8a35bf25ef583c8864f08faa77e761900e42e2