[INFO] cloning repository https://github.com/KalitaAlexey/test_return_self
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KalitaAlexey/test_return_self" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKalitaAlexey%2Ftest_return_self", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKalitaAlexey%2Ftest_return_self'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c9d8d101bb93c2a67a1aa085ab90a1c69ca68d81
[INFO] checking KalitaAlexey/test_return_self/c9d8d101bb93c2a67a1aa085ab90a1c69ca68d81 against master#ff1737bb00913444173658b4e0b274fd79aabf66 for pr-132712-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKalitaAlexey%2Ftest_return_self" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KalitaAlexey/test_return_self on toolchain ff1737bb00913444173658b4e0b274fd79aabf66
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KalitaAlexey/test_return_self
[INFO] finished tweaking git repo https://github.com/KalitaAlexey/test_return_self
[INFO] tweaked toml for git repo https://github.com/KalitaAlexey/test_return_self written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/KalitaAlexey/test_return_self 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" "+ff1737bb00913444173658b4e0b274fd79aabf66" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0768214b83b349cbdab57e8c2d195fc42260b532eb887afc1366bf6eaae7f9ff
[INFO] running `Command { std: "docker" "start" "-a" "0768214b83b349cbdab57e8c2d195fc42260b532eb887afc1366bf6eaae7f9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0768214b83b349cbdab57e8c2d195fc42260b532eb887afc1366bf6eaae7f9ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0768214b83b349cbdab57e8c2d195fc42260b532eb887afc1366bf6eaae7f9ff", kill_on_drop: false }`
[INFO] [stdout] 0768214b83b349cbdab57e8c2d195fc42260b532eb887afc1366bf6eaae7f9ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+ff1737bb00913444173658b4e0b274fd79aabf66" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 472ef2103f69672d5af3aeb746de3762b7446100a368e58b6899eeae44f9c79c
[INFO] running `Command { std: "docker" "start" "-a" "472ef2103f69672d5af3aeb746de3762b7446100a368e58b6899eeae44f9c79c", kill_on_drop: false }`
[INFO] [stderr]     Checking test_return_self v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] running `Command { std: "docker" "inspect" "472ef2103f69672d5af3aeb746de3762b7446100a368e58b6899eeae44f9c79c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "472ef2103f69672d5af3aeb746de3762b7446100a368e58b6899eeae44f9c79c", kill_on_drop: false }`
[INFO] [stdout] 472ef2103f69672d5af3aeb746de3762b7446100a368e58b6899eeae44f9c79c