[INFO] fetching crate rr 0.0.1...
[INFO] testing rr-0.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate rr 0.0.1 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate rr 0.0.1 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 rr 0.0.1
[INFO] finished tweaking crates.io crate rr 0.0.1
[INFO] tweaked toml for crates.io crate rr 0.0.1 written to /workspace/builds/worker-41/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 97f51d9d4f7e2cb156d12aed101b8c95aadc2f220fa70bd2dd2b6ce0eaae327d
[INFO] running `Command { std: "docker" "start" "-a" "97f51d9d4f7e2cb156d12aed101b8c95aadc2f220fa70bd2dd2b6ce0eaae327d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97f51d9d4f7e2cb156d12aed101b8c95aadc2f220fa70bd2dd2b6ce0eaae327d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97f51d9d4f7e2cb156d12aed101b8c95aadc2f220fa70bd2dd2b6ce0eaae327d", kill_on_drop: false }`
[INFO] [stdout] 97f51d9d4f7e2cb156d12aed101b8c95aadc2f220fa70bd2dd2b6ce0eaae327d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] f6223ddc011d13016079918601a0d7f080105177e015397d04035fbe6e2df374
[INFO] running `Command { std: "docker" "start" "-a" "f6223ddc011d13016079918601a0d7f080105177e015397d04035fbe6e2df374", kill_on_drop: false }`
[INFO] [stderr]    Compiling rr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "f6223ddc011d13016079918601a0d7f080105177e015397d04035fbe6e2df374", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6223ddc011d13016079918601a0d7f080105177e015397d04035fbe6e2df374", kill_on_drop: false }`
[INFO] [stdout] f6223ddc011d13016079918601a0d7f080105177e015397d04035fbe6e2df374
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] f0b45ba6480f37205f42ca29889e1219d9139fdf5ee637dead66ded5f8433fc9
[INFO] running `Command { std: "docker" "start" "-a" "f0b45ba6480f37205f42ca29889e1219d9139fdf5ee637dead66ded5f8433fc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rr v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.77s
[INFO] running `Command { std: "docker" "inspect" "f0b45ba6480f37205f42ca29889e1219d9139fdf5ee637dead66ded5f8433fc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0b45ba6480f37205f42ca29889e1219d9139fdf5ee637dead66ded5f8433fc9", kill_on_drop: false }`
[INFO] [stdout] f0b45ba6480f37205f42ca29889e1219d9139fdf5ee637dead66ded5f8433fc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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] 3935f2ddf8d08475d4ac6695e6ff3fae572c0bffa5cfbc731f14790af6ec866e
[INFO] running `Command { std: "docker" "start" "-a" "3935f2ddf8d08475d4ac6695e6ff3fae572c0bffa5cfbc731f14790af6ec866e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rr-dd15c14769dcdc44)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Doc-tests rr
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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" "3935f2ddf8d08475d4ac6695e6ff3fae572c0bffa5cfbc731f14790af6ec866e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3935f2ddf8d08475d4ac6695e6ff3fae572c0bffa5cfbc731f14790af6ec866e", kill_on_drop: false }`
[INFO] [stdout] 3935f2ddf8d08475d4ac6695e6ff3fae572c0bffa5cfbc731f14790af6ec866e