[INFO] fetching crate variant_counter 0.3.0...
[INFO] testing variant_counter-0.3.0 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate variant_counter 0.3.0 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate variant_counter 0.3.0 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 variant_counter 0.3.0
[INFO] finished tweaking crates.io crate variant_counter 0.3.0
[INFO] tweaked toml for crates.io crate variant_counter 0.3.0 written to /workspace/builds/worker-56/source/Cargo.toml
[INFO] crate crates.io crate variant_counter 0.3.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded variant_counter_derived v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 2d3ab7c8a9318da880ce5970fb17f5512c9fa33da7bb07906534d1c6958e605b
[INFO] running `Command { std: "docker" "start" "-a" "2d3ab7c8a9318da880ce5970fb17f5512c9fa33da7bb07906534d1c6958e605b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d3ab7c8a9318da880ce5970fb17f5512c9fa33da7bb07906534d1c6958e605b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d3ab7c8a9318da880ce5970fb17f5512c9fa33da7bb07906534d1c6958e605b", kill_on_drop: false }`
[INFO] [stdout] 2d3ab7c8a9318da880ce5970fb17f5512c9fa33da7bb07906534d1c6958e605b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] f2d0c11aa8ca23070b53b2255b8ed39f402929ffab69f12d5b540d12568b3210
[INFO] running `Command { std: "docker" "start" "-a" "f2d0c11aa8ca23070b53b2255b8ed39f402929ffab69f12d5b540d12568b3210", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling variant_counter_derived v0.3.0
[INFO] [stderr]    Compiling variant_counter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.82s
[INFO] running `Command { std: "docker" "inspect" "f2d0c11aa8ca23070b53b2255b8ed39f402929ffab69f12d5b540d12568b3210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d0c11aa8ca23070b53b2255b8ed39f402929ffab69f12d5b540d12568b3210", kill_on_drop: false }`
[INFO] [stdout] f2d0c11aa8ca23070b53b2255b8ed39f402929ffab69f12d5b540d12568b3210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 6cf984c58636cd217592ddbac285b6307a946d0406af06b3c6bb72f6eed6d6a3
[INFO] running `Command { std: "docker" "start" "-a" "6cf984c58636cd217592ddbac285b6307a946d0406af06b3c6bb72f6eed6d6a3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variant_counter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "6cf984c58636cd217592ddbac285b6307a946d0406af06b3c6bb72f6eed6d6a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf984c58636cd217592ddbac285b6307a946d0406af06b3c6bb72f6eed6d6a3", kill_on_drop: false }`
[INFO] [stdout] 6cf984c58636cd217592ddbac285b6307a946d0406af06b3c6bb72f6eed6d6a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] c5f02a4b8d7c65f086ec669c615525e5ad278e07a66ff87c98e761296d2d6408
[INFO] running `Command { std: "docker" "start" "-a" "c5f02a4b8d7c65f086ec669c615525e5ad278e07a66ff87c98e761296d2d6408", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/variant_counter-8695673aad4f6c57)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/basic.rs (/opt/rustwide/target/debug/deps/basic-4ea4e16e129cbb21)
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_basic ... 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] [stderr]      Running tests/complex.rs (/opt/rustwide/target/debug/deps/complex-b00ca4edf6b1b089)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_complex ... 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] [stderr]      Running tests/generics.rs (/opt/rustwide/target/debug/deps/generics-90a2f2c665ae2038)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_either ... ok
[INFO] [stdout] test test_opt ... ok
[INFO] [stdout] test test_text ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/group.rs (/opt/rustwide/target/debug/deps/group-6e01a63ace4050bd)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_group ... ok
[INFO] [stdout] test test_group_alias ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ignore.rs (/opt/rustwide/target/debug/deps/ignore-127cce8dc1bc2023)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_ignore ... 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] [stderr]      Running tests/weight.rs (/opt/rustwide/target/debug/deps/weight-7f48c09b6f44a1f1)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test test_weight ... 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] [stderr]    Doc-tests variant_counter
[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" "c5f02a4b8d7c65f086ec669c615525e5ad278e07a66ff87c98e761296d2d6408", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5f02a4b8d7c65f086ec669c615525e5ad278e07a66ff87c98e761296d2d6408", kill_on_drop: false }`
[INFO] [stdout] c5f02a4b8d7c65f086ec669c615525e5ad278e07a66ff87c98e761296d2d6408