[INFO] fetching crate variant_counter_derived 0.4.0...
[INFO] testing variant_counter_derived-0.4.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate variant_counter_derived 0.4.0 into /workspace/builds/worker-84/source
[INFO] validating manifest of crates.io crate variant_counter_derived 0.4.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate variant_counter_derived 0.4.0
[INFO] finished tweaking crates.io crate variant_counter_derived 0.4.0
[INFO] tweaked toml for crates.io crate variant_counter_derived 0.4.0 written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c648fda2df33ef417536c4231707ea84be87d9e04bfd7cd170b743632c406896
[INFO] running `Command { std: "docker" "start" "-a" "c648fda2df33ef417536c4231707ea84be87d9e04bfd7cd170b743632c406896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c648fda2df33ef417536c4231707ea84be87d9e04bfd7cd170b743632c406896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c648fda2df33ef417536c4231707ea84be87d9e04bfd7cd170b743632c406896", kill_on_drop: false }`
[INFO] [stdout] c648fda2df33ef417536c4231707ea84be87d9e04bfd7cd170b743632c406896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 048fded179f68212de78e55f5cf3b183c5d0c5483ede18e05d74b590381e3e39
[INFO] running `Command { std: "docker" "start" "-a" "048fded179f68212de78e55f5cf3b183c5d0c5483ede18e05d74b590381e3e39", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling variant_counter_derived v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.20s
[INFO] running `Command { std: "docker" "inspect" "048fded179f68212de78e55f5cf3b183c5d0c5483ede18e05d74b590381e3e39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "048fded179f68212de78e55f5cf3b183c5d0c5483ede18e05d74b590381e3e39", kill_on_drop: false }`
[INFO] [stdout] 048fded179f68212de78e55f5cf3b183c5d0c5483ede18e05d74b590381e3e39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 46fb42ba8e5d34f8f640863cb7f8790965e334b1b47d4366c6cb388d9fc33075
[INFO] running `Command { std: "docker" "start" "-a" "46fb42ba8e5d34f8f640863cb7f8790965e334b1b47d4366c6cb388d9fc33075", kill_on_drop: false }`
[INFO] [stderr]    Compiling variant_counter_derived v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.90s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/variant_counter_derived-28d4d350dcbc2dc2)
[INFO] running `Command { std: "docker" "inspect" "46fb42ba8e5d34f8f640863cb7f8790965e334b1b47d4366c6cb388d9fc33075", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46fb42ba8e5d34f8f640863cb7f8790965e334b1b47d4366c6cb388d9fc33075", kill_on_drop: false }`
[INFO] [stdout] 46fb42ba8e5d34f8f640863cb7f8790965e334b1b47d4366c6cb388d9fc33075
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f878ae699fd22f86c127c65df912ef06d8f9a1500ddb9b5fb8a03cfff284215d
[INFO] running `Command { std: "docker" "start" "-a" "f878ae699fd22f86c127c65df912ef06d8f9a1500ddb9b5fb8a03cfff284215d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/variant_counter_derived-28d4d350dcbc2dc2)
[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 variant_counter_derived
[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" "f878ae699fd22f86c127c65df912ef06d8f9a1500ddb9b5fb8a03cfff284215d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f878ae699fd22f86c127c65df912ef06d8f9a1500ddb9b5fb8a03cfff284215d", kill_on_drop: false }`
[INFO] [stdout] f878ae699fd22f86c127c65df912ef06d8f9a1500ddb9b5fb8a03cfff284215d