[INFO] cloning repository https://github.com/mobei12/rust_folder
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mobei12/rust_folder" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobei12%2Frust_folder", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobei12%2Frust_folder'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38fd1d82e44f2f65e3f6a8a45cd2aa5448b611f7
[INFO] testing mobei12/rust_folder against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmobei12%2Frust_folder" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mobei12/rust_folder on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mobei12/rust_folder
[INFO] finished tweaking git repo https://github.com/mobei12/rust_folder
[INFO] tweaked toml for git repo https://github.com/mobei12/rust_folder written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/mobei12/rust_folder 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b43e848ef779d92ef2ecfc2d7296ccfa3cb0e0d94ba0bea1367a1b95be6213b
[INFO] running `Command { std: "docker" "start" "-a" "3b43e848ef779d92ef2ecfc2d7296ccfa3cb0e0d94ba0bea1367a1b95be6213b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b43e848ef779d92ef2ecfc2d7296ccfa3cb0e0d94ba0bea1367a1b95be6213b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b43e848ef779d92ef2ecfc2d7296ccfa3cb0e0d94ba0bea1367a1b95be6213b", kill_on_drop: false }`
[INFO] [stdout] 3b43e848ef779d92ef2ecfc2d7296ccfa3cb0e0d94ba0bea1367a1b95be6213b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9dd518b9213933c66aa4202b837a5482849e9e28a8184ee5e3f6987dbefb2562
[INFO] running `Command { std: "docker" "start" "-a" "9dd518b9213933c66aa4202b837a5482849e9e28a8184ee5e3f6987dbefb2562", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling num-complex v0.4.5
[INFO] [stderr]    Compiling num-iter v0.1.44
[INFO] [stderr]    Compiling num v0.4.1
[INFO] [stderr]    Compiling rust_folder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `println_data` is never used
[INFO] [stdout]  --> src/function.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn println_data() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dead_end` is never used
[INFO] [stdout]   --> src/function.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn dead_end() -> ! {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.00s
[INFO] running `Command { std: "docker" "inspect" "9dd518b9213933c66aa4202b837a5482849e9e28a8184ee5e3f6987dbefb2562", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dd518b9213933c66aa4202b837a5482849e9e28a8184ee5e3f6987dbefb2562", kill_on_drop: false }`
[INFO] [stdout] 9dd518b9213933c66aa4202b837a5482849e9e28a8184ee5e3f6987dbefb2562
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c12678f0023eb3148b8e5186de81c54d75c8153d812ce5d87fb38ce64d036210
[INFO] running `Command { std: "docker" "start" "-a" "c12678f0023eb3148b8e5186de81c54d75c8153d812ce5d87fb38ce64d036210", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_folder v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `println_data` is never used
[INFO] [stdout]  --> src/function.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn println_data() {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dead_end` is never used
[INFO] [stdout]   --> src/function.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn dead_end() -> ! {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "c12678f0023eb3148b8e5186de81c54d75c8153d812ce5d87fb38ce64d036210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12678f0023eb3148b8e5186de81c54d75c8153d812ce5d87fb38ce64d036210", kill_on_drop: false }`
[INFO] [stdout] c12678f0023eb3148b8e5186de81c54d75c8153d812ce5d87fb38ce64d036210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fce190a9db1dc927484912aa643c41e3b4fbdf9da5229617d3ba805a94ec98d4
[INFO] running `Command { std: "docker" "start" "-a" "fce190a9db1dc927484912aa643c41e3b4fbdf9da5229617d3ba805a94ec98d4", kill_on_drop: false }`
[INFO] [stderr] warning: function `println_data` is never used
[INFO] [stderr]  --> src/function.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn println_data() {
[INFO] [stderr]   |        ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `dead_end` is never used
[INFO] [stderr]   --> src/function.rs:11:8
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn dead_end() -> ! {
[INFO] [stderr]    |        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust_folder` (bin "rust_folder" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_folder-361c5319b18a5ba8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fce190a9db1dc927484912aa643c41e3b4fbdf9da5229617d3ba805a94ec98d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fce190a9db1dc927484912aa643c41e3b4fbdf9da5229617d3ba805a94ec98d4", kill_on_drop: false }`
[INFO] [stdout] fce190a9db1dc927484912aa643c41e3b4fbdf9da5229617d3ba805a94ec98d4