[INFO] cloning repository https://github.com/Chanho-Seong/RustIOExample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Chanho-Seong/RustIOExample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChanho-Seong%2FRustIOExample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChanho-Seong%2FRustIOExample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8a97414967b68b97faf5b59b24ae480caa16cda
[INFO] building Chanho-Seong/RustIOExample against try#8aaecdf5df68a6fbc126704e44d399ba2fe66bf2 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChanho-Seong%2FRustIOExample" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Chanho-Seong/RustIOExample on toolchain 8aaecdf5df68a6fbc126704e44d399ba2fe66bf2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Chanho-Seong/RustIOExample
[INFO] finished tweaking git repo https://github.com/Chanho-Seong/RustIOExample
[INFO] tweaked toml for git repo https://github.com/Chanho-Seong/RustIOExample written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/Chanho-Seong/RustIOExample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eae95ea9de3ca31851032610e5012f197ff8cdddacbf8688b10cb361aec07450
[INFO] running `Command { std: "docker" "start" "-a" "eae95ea9de3ca31851032610e5012f197ff8cdddacbf8688b10cb361aec07450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eae95ea9de3ca31851032610e5012f197ff8cdddacbf8688b10cb361aec07450", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae95ea9de3ca31851032610e5012f197ff8cdddacbf8688b10cb361aec07450", kill_on_drop: false }`
[INFO] [stdout] eae95ea9de3ca31851032610e5012f197ff8cdddacbf8688b10cb361aec07450
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e87170e2806160b713055e07daaab9d68469e6891b66282039c7e5c83a6b4d35
[INFO] running `Command { std: "docker" "start" "-a" "e87170e2806160b713055e07daaab9d68469e6891b66282039c7e5c83a6b4d35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.88s
[INFO] running `Command { std: "docker" "inspect" "e87170e2806160b713055e07daaab9d68469e6891b66282039c7e5c83a6b4d35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e87170e2806160b713055e07daaab9d68469e6891b66282039c7e5c83a6b4d35", kill_on_drop: false }`
[INFO] [stdout] e87170e2806160b713055e07daaab9d68469e6891b66282039c7e5c83a6b4d35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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@sha256:1ede1414886370302e694df474b9877c02906499f04c196936ce0973d30c5eaa" "/opt/rustwide/cargo-home/bin/cargo" "+8aaecdf5df68a6fbc126704e44d399ba2fe66bf2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 720c472d21628a1ca7fc18cf8716fbd67d82f206a6fdf152d98fd77fa7ff2a27
[INFO] running `Command { std: "docker" "start" "-a" "720c472d21628a1ca7fc18cf8716fbd67d82f206a6fdf152d98fd77fa7ff2a27", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling greprs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.72s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/greprs-d2f00a2a9b283280)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/greprs-f5ad1af2c6379d37)
[INFO] running `Command { std: "docker" "inspect" "720c472d21628a1ca7fc18cf8716fbd67d82f206a6fdf152d98fd77fa7ff2a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720c472d21628a1ca7fc18cf8716fbd67d82f206a6fdf152d98fd77fa7ff2a27", kill_on_drop: false }`
[INFO] [stdout] 720c472d21628a1ca7fc18cf8716fbd67d82f206a6fdf152d98fd77fa7ff2a27