[INFO] cloning repository https://github.com/Aohan-Zhang/programming-rust-study
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aohan-Zhang/programming-rust-study" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAohan-Zhang%2Fprogramming-rust-study", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAohan-Zhang%2Fprogramming-rust-study'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b34ac0a2830b872afb472b6e5c3719f64f9adb02
[INFO] testing Aohan-Zhang/programming-rust-study against master#733b47ea4b1b86216f14ef56e49440c33933f230+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAohan-Zhang%2Fprogramming-rust-study" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Aohan-Zhang/programming-rust-study
[INFO] finished tweaking git repo https://github.com/Aohan-Zhang/programming-rust-study
[INFO] tweaked toml for git repo https://github.com/Aohan-Zhang/programming-rust-study written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Aohan-Zhang/programming-rust-study on toolchain 733b47ea4b1b86216f14ef56e49440c33933f230
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Aohan-Zhang/programming-rust-study 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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+733b47ea4b1b86216f14ef56e49440c33933f230" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10f751fe7d5bf7804c33eaf3d514f9da2c7695609412cc362fd20a392023d997
[INFO] running `Command { std: "docker" "start" "-a" "10f751fe7d5bf7804c33eaf3d514f9da2c7695609412cc362fd20a392023d997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10f751fe7d5bf7804c33eaf3d514f9da2c7695609412cc362fd20a392023d997", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10f751fe7d5bf7804c33eaf3d514f9da2c7695609412cc362fd20a392023d997", kill_on_drop: false }`
[INFO] [stdout] 10f751fe7d5bf7804c33eaf3d514f9da2c7695609412cc362fd20a392023d997
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 47e60f64c3ef93330dddf0d9c174f759004043e67424104758ef6c0d3236df29
[INFO] running `Command { std: "docker" "start" "-a" "47e60f64c3ef93330dddf0d9c174f759004043e67424104758ef6c0d3236df29", kill_on_drop: false }`
[INFO] [stderr]    Compiling programming-rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "47e60f64c3ef93330dddf0d9c174f759004043e67424104758ef6c0d3236df29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e60f64c3ef93330dddf0d9c174f759004043e67424104758ef6c0d3236df29", kill_on_drop: false }`
[INFO] [stdout] 47e60f64c3ef93330dddf0d9c174f759004043e67424104758ef6c0d3236df29
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0b5fb72fc1ebb8d84da9867d4da7cbebbfb5d85bd459b5d61cd3eded0cc1540
[INFO] running `Command { std: "docker" "start" "-a" "d0b5fb72fc1ebb8d84da9867d4da7cbebbfb5d85bd459b5d61cd3eded0cc1540", kill_on_drop: false }`
[INFO] [stderr]    Compiling programming-rust-study v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "d0b5fb72fc1ebb8d84da9867d4da7cbebbfb5d85bd459b5d61cd3eded0cc1540", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b5fb72fc1ebb8d84da9867d4da7cbebbfb5d85bd459b5d61cd3eded0cc1540", kill_on_drop: false }`
[INFO] [stdout] d0b5fb72fc1ebb8d84da9867d4da7cbebbfb5d85bd459b5d61cd3eded0cc1540
[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 -Copt-level=3" "-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" "+733b47ea4b1b86216f14ef56e49440c33933f230" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe5cc7234a19bac4d56210f95c97092dd4e02c027c9fac5d73c13272e6dc35dc
[INFO] running `Command { std: "docker" "start" "-a" "fe5cc7234a19bac4d56210f95c97092dd4e02c027c9fac5d73c13272e6dc35dc", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/programming_rust_study-43bd9c6eea1d7135)
[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" "fe5cc7234a19bac4d56210f95c97092dd4e02c027c9fac5d73c13272e6dc35dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe5cc7234a19bac4d56210f95c97092dd4e02c027c9fac5d73c13272e6dc35dc", kill_on_drop: false }`
[INFO] [stdout] fe5cc7234a19bac4d56210f95c97092dd4e02c027c9fac5d73c13272e6dc35dc
