[INFO] cloning repository https://github.com/phamvmnhut/rust-me
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/phamvmnhut/rust-me" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphamvmnhut%2Frust-me", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphamvmnhut%2Frust-me'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a4bcaab0aa07b42f2faff6049b0fa024622bc059
[INFO] checking phamvmnhut/rust-me against master#8365fcb2b840c95eeb0bc377af8bd498fad22245 for pr-145605
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphamvmnhut%2Frust-me" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/phamvmnhut/rust-me
[INFO] finished tweaking git repo https://github.com/phamvmnhut/rust-me
[INFO] tweaked toml for git repo https://github.com/phamvmnhut/rust-me written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/phamvmnhut/rust-me on toolchain 8365fcb2b840c95eeb0bc377af8bd498fad22245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/phamvmnhut/rust-me 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" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92e9c3e1774b42e1da7ac9c9c17f9ca98c44f71369790978843a89e136295098
[INFO] running `Command { std: "docker" "start" "-a" "92e9c3e1774b42e1da7ac9c9c17f9ca98c44f71369790978843a89e136295098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92e9c3e1774b42e1da7ac9c9c17f9ca98c44f71369790978843a89e136295098", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92e9c3e1774b42e1da7ac9c9c17f9ca98c44f71369790978843a89e136295098", kill_on_drop: false }`
[INFO] [stdout] 92e9c3e1774b42e1da7ac9c9c17f9ca98c44f71369790978843a89e136295098
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8365fcb2b840c95eeb0bc377af8bd498fad22245" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fcda36749f1d9c799dae49fd6656c9a2d47944ea44d6ca66c882d747fd76cfdf
[INFO] running `Command { std: "docker" "start" "-a" "fcda36749f1d9c799dae49fd6656c9a2d47944ea44d6ca66c882d747fd76cfdf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking condition v0.1.0 (/opt/rustwide/workdir/condition)
[INFO] [stderr]     Checking hello_test v0.1.0 (/opt/rustwide/workdir/hello_test)
[INFO] [stderr]     Checking hello_utils_2 v0.1.0 (/opt/rustwide/workdir/hello_utils_2)
[INFO] [stderr]     Checking hello_utils v0.1.0 (/opt/rustwide/workdir/hello_utils)
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling hello_world v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game)
[INFO] [stdout] warning: unused import: `guessing_game`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use guessing_game;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `guessing_game`
[INFO] [stdout]  --> src/main.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use guessing_game;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `message` is never used
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/hello_world-c30bd7b550c40934/out/hello.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn message() -> &'static str {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_main` is never used
[INFO] [stdout]   --> src/test_package.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn do_main() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> src/test_package.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn hello();
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `message` is never used
[INFO] [stdout]  --> /opt/rustwide/target/debug/build/hello_world-c30bd7b550c40934/out/hello.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn message() -> &'static str {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `do_main` is never used
[INFO] [stdout]   --> src/test_package.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub fn do_main() {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hello` is never used
[INFO] [stdout]  --> src/test_package.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     fn hello();
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "fcda36749f1d9c799dae49fd6656c9a2d47944ea44d6ca66c882d747fd76cfdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcda36749f1d9c799dae49fd6656c9a2d47944ea44d6ca66c882d747fd76cfdf", kill_on_drop: false }`
[INFO] [stdout] fcda36749f1d9c799dae49fd6656c9a2d47944ea44d6ca66c882d747fd76cfdf