[INFO] fetching crate rustzx-core 0.15.0...
[INFO] testing rustzx-core-0.15.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate rustzx-core 0.15.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate rustzx-core 0.15.0 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 rustzx-core 0.15.0
[INFO] finished tweaking crates.io crate rustzx-core 0.15.0
[INFO] tweaked toml for crates.io crate rustzx-core 0.15.0 written to /workspace/builds/worker-6/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 54e61a592c0a27d2c112adc8bbd51db2a1a6334a80f5ec2156543b6d5d9a2834
[INFO] running `Command { std: "docker" "start" "-a" "54e61a592c0a27d2c112adc8bbd51db2a1a6334a80f5ec2156543b6d5d9a2834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "54e61a592c0a27d2c112adc8bbd51db2a1a6334a80f5ec2156543b6d5d9a2834", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54e61a592c0a27d2c112adc8bbd51db2a1a6334a80f5ec2156543b6d5d9a2834", kill_on_drop: false }`
[INFO] [stdout] 54e61a592c0a27d2c112adc8bbd51db2a1a6334a80f5ec2156543b6d5d9a2834
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1d25f0529eab023d50c4e883957356495d400d32513fff0999fb0c57a89735ab
[INFO] running `Command { std: "docker" "start" "-a" "1d25f0529eab023d50c4e883957356495d400d32513fff0999fb0c57a89735ab", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling rustzx-z80 v0.15.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling displaydoc v0.2.3
[INFO] [stderr]    Compiling enum_dispatch v0.3.8
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling from_variants_impl v0.6.0
[INFO] [stderr]    Compiling from_variants v0.6.0
[INFO] [stderr]    Compiling rustzx-core v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.10s
[INFO] running `Command { std: "docker" "inspect" "1d25f0529eab023d50c4e883957356495d400d32513fff0999fb0c57a89735ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d25f0529eab023d50c4e883957356495d400d32513fff0999fb0c57a89735ab", kill_on_drop: false }`
[INFO] [stdout] 1d25f0529eab023d50c4e883957356495d400d32513fff0999fb0c57a89735ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 528ffeae3337853804cf6af0b010db83ea4d073f80d229cdbda4dbfaa900074b
[INFO] running `Command { std: "docker" "start" "-a" "528ffeae3337853804cf6af0b010db83ea4d073f80d229cdbda4dbfaa900074b", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustzx-core v0.15.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustzx_core-925f40febb2f82c3)
[INFO] running `Command { std: "docker" "inspect" "528ffeae3337853804cf6af0b010db83ea4d073f80d229cdbda4dbfaa900074b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528ffeae3337853804cf6af0b010db83ea4d073f80d229cdbda4dbfaa900074b", kill_on_drop: false }`
[INFO] [stdout] 528ffeae3337853804cf6af0b010db83ea4d073f80d229cdbda4dbfaa900074b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 89ace5bb45c1a34a974e6a2c1b413b09695d9a231df5f03378d17094b7c5db6f
[INFO] running `Command { std: "docker" "start" "-a" "89ace5bb45c1a34a974e6a2c1b413b09695d9a231df5f03378d17094b7c5db6f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rustzx_core-925f40febb2f82c3)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test host::io::tests::buffer_cursor_seek_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] [stderr]    Doc-tests rustzx-core
[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" "89ace5bb45c1a34a974e6a2c1b413b09695d9a231df5f03378d17094b7c5db6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89ace5bb45c1a34a974e6a2c1b413b09695d9a231df5f03378d17094b7c5db6f", kill_on_drop: false }`
[INFO] [stdout] 89ace5bb45c1a34a974e6a2c1b413b09695d9a231df5f03378d17094b7c5db6f