[INFO] fetching crate yolo-rustc-bootstrap 1.0.2...
[INFO] testing yolo-rustc-bootstrap-1.0.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate yolo-rustc-bootstrap 1.0.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate yolo-rustc-bootstrap 1.0.2 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate yolo-rustc-bootstrap 1.0.2
[INFO] finished tweaking crates.io crate yolo-rustc-bootstrap 1.0.2
[INFO] tweaked toml for crates.io crate yolo-rustc-bootstrap 1.0.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3e5263aabfb49cb562adcc21efe850fcd07cb8cf01bf9e72e2b72e8959219a95
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3e5263aabfb49cb562adcc21efe850fcd07cb8cf01bf9e72e2b72e8959219a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e5263aabfb49cb562adcc21efe850fcd07cb8cf01bf9e72e2b72e8959219a95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e5263aabfb49cb562adcc21efe850fcd07cb8cf01bf9e72e2b72e8959219a95", kill_on_drop: false }`
[INFO] [stdout] 3e5263aabfb49cb562adcc21efe850fcd07cb8cf01bf9e72e2b72e8959219a95
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae5fd60c3903808fe2deb7c337ed4a9bd28358bd12bb8963730bfc71c396b641
[INFO] running `Command { std: "docker" "start" "-a" "ae5fd60c3903808fe2deb7c337ed4a9bd28358bd12bb8963730bfc71c396b641", kill_on_drop: false }`
[INFO] [stderr]    Compiling yolo-rustc-bootstrap v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ae5fd60c3903808fe2deb7c337ed4a9bd28358bd12bb8963730bfc71c396b641", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae5fd60c3903808fe2deb7c337ed4a9bd28358bd12bb8963730bfc71c396b641", kill_on_drop: false }`
[INFO] [stdout] ae5fd60c3903808fe2deb7c337ed4a9bd28358bd12bb8963730bfc71c396b641
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d4f14e36df81145194c73745eec57049e50e47a30697d0c0a8c7b4e0b6fa179
[INFO] running `Command { std: "docker" "start" "-a" "8d4f14e36df81145194c73745eec57049e50e47a30697d0c0a8c7b4e0b6fa179", kill_on_drop: false }`
[INFO] [stderr]    Compiling yolo-rustc-bootstrap v1.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "8d4f14e36df81145194c73745eec57049e50e47a30697d0c0a8c7b4e0b6fa179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d4f14e36df81145194c73745eec57049e50e47a30697d0c0a8c7b4e0b6fa179", kill_on_drop: false }`
[INFO] [stdout] 8d4f14e36df81145194c73745eec57049e50e47a30697d0c0a8c7b4e0b6fa179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 702f4269931dc92e64f177a8cb0f839d849b29ba79faec21e2036ad2013f7a20
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "702f4269931dc92e64f177a8cb0f839d849b29ba79faec21e2036ad2013f7a20", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yolo_rustc_bootstrap-dd6177d8958c3b52)
[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] [stderr]    Doc-tests yolo-rustc-bootstrap
[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" "702f4269931dc92e64f177a8cb0f839d849b29ba79faec21e2036ad2013f7a20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "702f4269931dc92e64f177a8cb0f839d849b29ba79faec21e2036ad2013f7a20", kill_on_drop: false }`
[INFO] [stdout] 702f4269931dc92e64f177a8cb0f839d849b29ba79faec21e2036ad2013f7a20