[INFO] fetching crate twilight-util 0.6.0...
[INFO] testing twilight-util-0.6.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate twilight-util 0.6.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate twilight-util 0.6.0 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 twilight-util 0.6.0
[INFO] finished tweaking crates.io crate twilight-util 0.6.0
[INFO] tweaked toml for crates.io crate twilight-util 0.6.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 8b188cb31b615d2e617e7bef52eb59ec8b5aff4d8212afbc48800e3b89de1879
[INFO] running `Command { std: "docker" "start" "-a" "8b188cb31b615d2e617e7bef52eb59ec8b5aff4d8212afbc48800e3b89de1879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b188cb31b615d2e617e7bef52eb59ec8b5aff4d8212afbc48800e3b89de1879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b188cb31b615d2e617e7bef52eb59ec8b5aff4d8212afbc48800e3b89de1879", kill_on_drop: false }`
[INFO] [stdout] 8b188cb31b615d2e617e7bef52eb59ec8b5aff4d8212afbc48800e3b89de1879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] d95ce934a8c8467b000f911a5e71c0f49ba5d3b1094142f6e378454bc435fc79
[INFO] running `Command { std: "docker" "start" "-a" "d95ce934a8c8467b000f911a5e71c0f49ba5d3b1094142f6e378454bc435fc79", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling twilight-util v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.99s
[INFO] running `Command { std: "docker" "inspect" "d95ce934a8c8467b000f911a5e71c0f49ba5d3b1094142f6e378454bc435fc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d95ce934a8c8467b000f911a5e71c0f49ba5d3b1094142f6e378454bc435fc79", kill_on_drop: false }`
[INFO] [stdout] d95ce934a8c8467b000f911a5e71c0f49ba5d3b1094142f6e378454bc435fc79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6eb2cf448c2f820a5292205fb4a9408c9d4daa41fa4f51b71df8465bc4992d00
[INFO] running `Command { std: "docker" "start" "-a" "6eb2cf448c2f820a5292205fb4a9408c9d4daa41fa4f51b71df8465bc4992d00", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling twilight-util v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.64s
[INFO] running `Command { std: "docker" "inspect" "6eb2cf448c2f820a5292205fb4a9408c9d4daa41fa4f51b71df8465bc4992d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6eb2cf448c2f820a5292205fb4a9408c9d4daa41fa4f51b71df8465bc4992d00", kill_on_drop: false }`
[INFO] [stdout] 6eb2cf448c2f820a5292205fb4a9408c9d4daa41fa4f51b71df8465bc4992d00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 95c357c2c011f5db3ae64b458fec8f75528b678c6957e9e73b5b6c48ba339722
[INFO] running `Command { std: "docker" "start" "-a" "95c357c2c011f5db3ae64b458fec8f75528b678c6957e9e73b5b6c48ba339722", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.38s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/twilight_util-3af6eece61c093e7)
[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 twilight-util
[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" "95c357c2c011f5db3ae64b458fec8f75528b678c6957e9e73b5b6c48ba339722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95c357c2c011f5db3ae64b458fec8f75528b678c6957e9e73b5b6c48ba339722", kill_on_drop: false }`
[INFO] [stdout] 95c357c2c011f5db3ae64b458fec8f75528b678c6957e9e73b5b6c48ba339722