[INFO] cloning repository https://github.com/junhanswoky/hw4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/junhanswoky/hw4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhanswoky%2Fhw4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhanswoky%2Fhw4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 502be2c1c0503b7a212b088dc85123fde2d248ea
[INFO] testing junhanswoky/hw4 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjunhanswoky%2Fhw4" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/junhanswoky/hw4
[INFO] finished tweaking git repo https://github.com/junhanswoky/hw4
[INFO] tweaked toml for git repo https://github.com/junhanswoky/hw4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/junhanswoky/hw4 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/junhanswoky/hw4 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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2934e6a233bf010ace2c1030f6c1b002a8cc76f7c7e5bcdb44f63ccf71eb939
[INFO] running `Command { std: "docker" "start" "-a" "f2934e6a233bf010ace2c1030f6c1b002a8cc76f7c7e5bcdb44f63ccf71eb939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2934e6a233bf010ace2c1030f6c1b002a8cc76f7c7e5bcdb44f63ccf71eb939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2934e6a233bf010ace2c1030f6c1b002a8cc76f7c7e5bcdb44f63ccf71eb939", kill_on_drop: false }`
[INFO] [stdout] f2934e6a233bf010ace2c1030f6c1b002a8cc76f7c7e5bcdb44f63ccf71eb939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef82fb1945089790da2ce3cd9c7216ea2bf27788320be73fccbb999807437a8
[INFO] running `Command { std: "docker" "start" "-a" "aef82fb1945089790da2ce3cd9c7216ea2bf27788320be73fccbb999807437a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling pin-project-lite v0.2.13
[INFO] [stderr]    Compiling futures-io v0.3.28
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling event-listener v2.5.3
[INFO] [stderr]    Compiling value-bag v1.4.1
[INFO] [stderr]    Compiling fastrand v1.9.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.1.0
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.23
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling log v0.4.20
[INFO] [stderr]    Compiling futures-sink v0.3.28
[INFO] [stderr]    Compiling linux-raw-sys v0.3.8
[INFO] [stderr]    Compiling async-lock v2.8.0
[INFO] [stderr]    Compiling syn v2.0.31
[INFO] [stderr]    Compiling async-task v4.4.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling socket2 v0.4.9
[INFO] [stderr]    Compiling concurrent-queue v2.2.0
[INFO] [stderr]    Compiling atomic-waker v1.1.1
[INFO] [stderr]    Compiling once_cell v1.18.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling async-channel v1.9.0
[INFO] [stderr]    Compiling futures-lite v1.13.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling blocking v1.3.1
[INFO] [stderr]    Compiling async-executor v1.5.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling async-global-executor v2.3.1
[INFO] [stderr]    Compiling async-std v1.12.0
[INFO] [stderr]    Compiling futures-executor v0.3.28
[INFO] [stderr]    Compiling futures v0.3.28
[INFO] [stderr]    Compiling hw4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Demo` is never constructed
[INFO] [stdout]   --> src/main.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Demo;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.65s
[INFO] running `Command { std: "docker" "inspect" "aef82fb1945089790da2ce3cd9c7216ea2bf27788320be73fccbb999807437a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef82fb1945089790da2ce3cd9c7216ea2bf27788320be73fccbb999807437a8", kill_on_drop: false }`
[INFO] [stdout] aef82fb1945089790da2ce3cd9c7216ea2bf27788320be73fccbb999807437a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 870158cc159a99f30ee7292da8ddd0be6c1e7bc193ab200e0346e5abfe4e08f2
[INFO] running `Command { std: "docker" "start" "-a" "870158cc159a99f30ee7292da8ddd0be6c1e7bc193ab200e0346e5abfe4e08f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling hw4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Demo` is never constructed
[INFO] [stdout]   --> src/main.rs:77:8
[INFO] [stdout]    |
[INFO] [stdout] 77 | struct Demo;
[INFO] [stdout]    |        ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "870158cc159a99f30ee7292da8ddd0be6c1e7bc193ab200e0346e5abfe4e08f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870158cc159a99f30ee7292da8ddd0be6c1e7bc193ab200e0346e5abfe4e08f2", kill_on_drop: false }`
[INFO] [stdout] 870158cc159a99f30ee7292da8ddd0be6c1e7bc193ab200e0346e5abfe4e08f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2ec2117ca76e78bea612a9c3357dbb5551f5935643f6c713d054d51143167a1
[INFO] running `Command { std: "docker" "start" "-a" "a2ec2117ca76e78bea612a9c3357dbb5551f5935643f6c713d054d51143167a1", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Demo` is never constructed
[INFO] [stderr]   --> src/main.rs:77:8
[INFO] [stderr]    |
[INFO] [stderr] 77 | struct Demo;
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `hw4` (bin "hw4" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hw4-b33a43967e3ee11a)
[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" "a2ec2117ca76e78bea612a9c3357dbb5551f5935643f6c713d054d51143167a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2ec2117ca76e78bea612a9c3357dbb5551f5935643f6c713d054d51143167a1", kill_on_drop: false }`
[INFO] [stdout] a2ec2117ca76e78bea612a9c3357dbb5551f5935643f6c713d054d51143167a1