[INFO] cloning repository https://github.com/0xBitzz/rust_concatenate_strings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xBitzz/rust_concatenate_strings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xBitzz%2Frust_concatenate_strings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xBitzz%2Frust_concatenate_strings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ae3678168d3225a2ac7e80706ad6cd9061102d7
[INFO] testing 0xBitzz/rust_concatenate_strings against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xBitzz%2Frust_concatenate_strings" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xBitzz/rust_concatenate_strings
[INFO] finished tweaking git repo https://github.com/0xBitzz/rust_concatenate_strings
[INFO] tweaked toml for git repo https://github.com/0xBitzz/rust_concatenate_strings written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xBitzz/rust_concatenate_strings on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xBitzz/rust_concatenate_strings 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb6052beb0ce448c3e2b5c9dafdfa48e92b1e6d9c89cdf2cf4c6fd4e63eda2a6
[INFO] running `Command { std: "docker" "start" "-a" "bb6052beb0ce448c3e2b5c9dafdfa48e92b1e6d9c89cdf2cf4c6fd4e63eda2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb6052beb0ce448c3e2b5c9dafdfa48e92b1e6d9c89cdf2cf4c6fd4e63eda2a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb6052beb0ce448c3e2b5c9dafdfa48e92b1e6d9c89cdf2cf4c6fd4e63eda2a6", kill_on_drop: false }`
[INFO] [stdout] bb6052beb0ce448c3e2b5c9dafdfa48e92b1e6d9c89cdf2cf4c6fd4e63eda2a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ca5adc7a3befd798271a04b822f489a2eb443f5085a27c9f763aab2e6786d18
[INFO] running `Command { std: "docker" "start" "-a" "0ca5adc7a3befd798271a04b822f489a2eb443f5085a27c9f763aab2e6786d18", kill_on_drop: false }`
[INFO] [stderr]    Compiling ownership_ref_borrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "0ca5adc7a3befd798271a04b822f489a2eb443f5085a27c9f763aab2e6786d18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ca5adc7a3befd798271a04b822f489a2eb443f5085a27c9f763aab2e6786d18", kill_on_drop: false }`
[INFO] [stdout] 0ca5adc7a3befd798271a04b822f489a2eb443f5085a27c9f763aab2e6786d18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbf2e3e0774aaa7dfe02424fb54ef7db1dfb3cdd695f69f186302efa775417e8
[INFO] running `Command { std: "docker" "start" "-a" "fbf2e3e0774aaa7dfe02424fb54ef7db1dfb3cdd695f69f186302efa775417e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling ownership_ref_borrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `Command { std: "docker" "inspect" "fbf2e3e0774aaa7dfe02424fb54ef7db1dfb3cdd695f69f186302efa775417e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbf2e3e0774aaa7dfe02424fb54ef7db1dfb3cdd695f69f186302efa775417e8", kill_on_drop: false }`
[INFO] [stdout] fbf2e3e0774aaa7dfe02424fb54ef7db1dfb3cdd695f69f186302efa775417e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2bc8d9c8dd2afb258478947fa3655b4d5cfc15d150b8b63efa1d7eecee8c2615
[INFO] running `Command { std: "docker" "start" "-a" "2bc8d9c8dd2afb258478947fa3655b4d5cfc15d150b8b63efa1d7eecee8c2615", 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/ownership_ref_borrow-d8fa4f06dc5e280a)
[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" "2bc8d9c8dd2afb258478947fa3655b4d5cfc15d150b8b63efa1d7eecee8c2615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc8d9c8dd2afb258478947fa3655b4d5cfc15d150b8b63efa1d7eecee8c2615", kill_on_drop: false }`
[INFO] [stdout] 2bc8d9c8dd2afb258478947fa3655b4d5cfc15d150b8b63efa1d7eecee8c2615
