[INFO] fetching crate kak-subvert 1.0.1...
[INFO] testing kak-subvert-1.0.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate kak-subvert 1.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate kak-subvert 1.0.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kak-subvert 1.0.1
[INFO] finished tweaking crates.io crate kak-subvert 1.0.1
[INFO] tweaked toml for crates.io crate kak-subvert 1.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate kak-subvert 1.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9942ac4e6542b963ec6962a281290e097a595104f3eb3afd1cb2a86a989a367
[INFO] running `Command { std: "docker" "start" "-a" "f9942ac4e6542b963ec6962a281290e097a595104f3eb3afd1cb2a86a989a367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9942ac4e6542b963ec6962a281290e097a595104f3eb3afd1cb2a86a989a367", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9942ac4e6542b963ec6962a281290e097a595104f3eb3afd1cb2a86a989a367", kill_on_drop: false }`
[INFO] [stdout] f9942ac4e6542b963ec6962a281290e097a595104f3eb3afd1cb2a86a989a367
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 939dbb4d15776c2b0679c8f7a03d4579155ada8d189906429dddc2d47fa33333
[INFO] running `Command { std: "docker" "start" "-a" "939dbb4d15776c2b0679c8f7a03d4579155ada8d189906429dddc2d47fa33333", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling regex-syntax v0.6.13
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]    Compiling regex v1.3.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling kak-subvert v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.84s
[INFO] running `Command { std: "docker" "inspect" "939dbb4d15776c2b0679c8f7a03d4579155ada8d189906429dddc2d47fa33333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "939dbb4d15776c2b0679c8f7a03d4579155ada8d189906429dddc2d47fa33333", kill_on_drop: false }`
[INFO] [stdout] 939dbb4d15776c2b0679c8f7a03d4579155ada8d189906429dddc2d47fa33333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726cd955b2765d355ee46e720c238a9f2fdd4225bbe3baba4d4de17a7612cd0a
[INFO] running `Command { std: "docker" "start" "-a" "726cd955b2765d355ee46e720c238a9f2fdd4225bbe3baba4d4de17a7612cd0a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling kak-subvert v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.93s
[INFO] running `Command { std: "docker" "inspect" "726cd955b2765d355ee46e720c238a9f2fdd4225bbe3baba4d4de17a7612cd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726cd955b2765d355ee46e720c238a9f2fdd4225bbe3baba4d4de17a7612cd0a", kill_on_drop: false }`
[INFO] [stdout] 726cd955b2765d355ee46e720c238a9f2fdd4225bbe3baba4d4de17a7612cd0a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fd1596d0fbdd7a56df23839ee8a0074c9276fa816a3b1167b92bc6516844218b
[INFO] running `Command { std: "docker" "start" "-a" "fd1596d0fbdd7a56df23839ee8a0074c9276fa816a3b1167b92bc6516844218b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kak_subvert-9856a4e4b3ae0977)
[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" "fd1596d0fbdd7a56df23839ee8a0074c9276fa816a3b1167b92bc6516844218b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1596d0fbdd7a56df23839ee8a0074c9276fa816a3b1167b92bc6516844218b", kill_on_drop: false }`
[INFO] [stdout] fd1596d0fbdd7a56df23839ee8a0074c9276fa816a3b1167b92bc6516844218b