[INFO] fetching crate inheritance 0.0.1-alpha.2...
[INFO] testing inheritance-0.0.1-alpha.2 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate inheritance 0.0.1-alpha.2 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate inheritance 0.0.1-alpha.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 inheritance 0.0.1-alpha.2
[INFO] finished tweaking crates.io crate inheritance 0.0.1-alpha.2
[INFO] tweaked toml for crates.io crate inheritance 0.0.1-alpha.2 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate inheritance 0.0.1-alpha.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 648e40b8a913e68a36c1059d00e56c89272f65065f23b873825aa1141e64e97d
[INFO] running `Command { std: "docker" "start" "-a" "648e40b8a913e68a36c1059d00e56c89272f65065f23b873825aa1141e64e97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "648e40b8a913e68a36c1059d00e56c89272f65065f23b873825aa1141e64e97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "648e40b8a913e68a36c1059d00e56c89272f65065f23b873825aa1141e64e97d", kill_on_drop: false }`
[INFO] [stdout] 648e40b8a913e68a36c1059d00e56c89272f65065f23b873825aa1141e64e97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] 6a3b1ac15d34211bc4c4a836a774e045a13d65296adc8eedb613dea768439166
[INFO] running `Command { std: "docker" "start" "-a" "6a3b1ac15d34211bc4c4a836a774e045a13d65296adc8eedb613dea768439166", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling proc-quote-impl v0.2.2
[INFO] [stderr]    Compiling proc-quote v0.2.2
[INFO] [stderr]    Compiling fstrings-proc-macro v0.1.4
[INFO] [stderr]    Compiling fstrings v0.1.4
[INFO] [stderr]    Compiling inheritance-proc-macro v0.0.1-alpha.2
[INFO] [stderr]    Compiling inheritance v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.71s
[INFO] running `Command { std: "docker" "inspect" "6a3b1ac15d34211bc4c4a836a774e045a13d65296adc8eedb613dea768439166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a3b1ac15d34211bc4c4a836a774e045a13d65296adc8eedb613dea768439166", kill_on_drop: false }`
[INFO] [stdout] 6a3b1ac15d34211bc4c4a836a774e045a13d65296adc8eedb613dea768439166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] ca24991550f24b70397ccef949bc1d480d4af93f71734e3d72cf6e1a8a4eafcc
[INFO] running `Command { std: "docker" "start" "-a" "ca24991550f24b70397ccef949bc1d480d4af93f71734e3d72cf6e1a8a4eafcc", kill_on_drop: false }`
[INFO] [stderr]    Compiling inheritance v0.0.1-alpha.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "ca24991550f24b70397ccef949bc1d480d4af93f71734e3d72cf6e1a8a4eafcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca24991550f24b70397ccef949bc1d480d4af93f71734e3d72cf6e1a8a4eafcc", kill_on_drop: false }`
[INFO] [stdout] ca24991550f24b70397ccef949bc1d480d4af93f71734e3d72cf6e1a8a4eafcc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 00e79edee1b6da992e17829e939bbb9c37477657c8222b87a04e15a43037f970
[INFO] running `Command { std: "docker" "start" "-a" "00e79edee1b6da992e17829e939bbb9c37477657c8222b87a04e15a43037f970", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/inheritance-9e9467b5ac05b9ab)
[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 inheritance
[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" "00e79edee1b6da992e17829e939bbb9c37477657c8222b87a04e15a43037f970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e79edee1b6da992e17829e939bbb9c37477657c8222b87a04e15a43037f970", kill_on_drop: false }`
[INFO] [stdout] 00e79edee1b6da992e17829e939bbb9c37477657c8222b87a04e15a43037f970