[INFO] fetching crate rurel 0.2.0...
[INFO] testing rurel-0.2.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rurel 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate rurel 0.2.0 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 rurel 0.2.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate rurel 0.2.0
[INFO] tweaked toml for crates.io crate rurel 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate rurel 0.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] a8c37c05cc88f4ebb73f27e88a5ecf27804cfda5af8cbf426685a27ae7f63b78
[INFO] running `Command { std: "docker" "start" "-a" "a8c37c05cc88f4ebb73f27e88a5ecf27804cfda5af8cbf426685a27ae7f63b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8c37c05cc88f4ebb73f27e88a5ecf27804cfda5af8cbf426685a27ae7f63b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8c37c05cc88f4ebb73f27e88a5ecf27804cfda5af8cbf426685a27ae7f63b78", kill_on_drop: false }`
[INFO] [stdout] a8c37c05cc88f4ebb73f27e88a5ecf27804cfda5af8cbf426685a27ae7f63b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 2150709f07a338e2e1e0a0c22f1236b8bc71e67bf55eb472a35ca2d09eecb5e1
[INFO] running `Command { std: "docker" "start" "-a" "2150709f07a338e2e1e0a0c22f1236b8bc71e67bf55eb472a35ca2d09eecb5e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling rurel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.14s
[INFO] running `Command { std: "docker" "inspect" "2150709f07a338e2e1e0a0c22f1236b8bc71e67bf55eb472a35ca2d09eecb5e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2150709f07a338e2e1e0a0c22f1236b8bc71e67bf55eb472a35ca2d09eecb5e1", kill_on_drop: false }`
[INFO] [stdout] 2150709f07a338e2e1e0a0c22f1236b8bc71e67bf55eb472a35ca2d09eecb5e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 3d29a81d6fba12b34eff5e9a3db0cd0075102818b85bcead2b253ee3efcf0569
[INFO] running `Command { std: "docker" "start" "-a" "3d29a81d6fba12b34eff5e9a3db0cd0075102818b85bcead2b253ee3efcf0569", kill_on_drop: false }`
[INFO] [stderr]    Compiling rurel v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "3d29a81d6fba12b34eff5e9a3db0cd0075102818b85bcead2b253ee3efcf0569", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d29a81d6fba12b34eff5e9a3db0cd0075102818b85bcead2b253ee3efcf0569", kill_on_drop: false }`
[INFO] [stdout] 3d29a81d6fba12b34eff5e9a3db0cd0075102818b85bcead2b253ee3efcf0569
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 06cc7e52c96dac52867c76d4a898974003bb385b679f11357a38d80367199375
[INFO] running `Command { std: "docker" "start" "-a" "06cc7e52c96dac52867c76d4a898974003bb385b679f11357a38d80367199375", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rurel-fc3aa748d1246ce0)
[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 rurel
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 19) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.24s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "06cc7e52c96dac52867c76d4a898974003bb385b679f11357a38d80367199375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cc7e52c96dac52867c76d4a898974003bb385b679f11357a38d80367199375", kill_on_drop: false }`
[INFO] [stdout] 06cc7e52c96dac52867c76d4a898974003bb385b679f11357a38d80367199375