[INFO] fetching crate koto_serialize 0.10.0...
[INFO] testing koto_serialize-0.10.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate koto_serialize 0.10.0 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate koto_serialize 0.10.0 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate koto_serialize 0.10.0
[INFO] finished tweaking crates.io crate koto_serialize 0.10.0
[INFO] tweaked toml for crates.io crate koto_serialize 0.10.0 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f72397104d8b2164fcdbc0d9f1c1c8671eb2b4b5e45706afc3fdc4eb13627fc0
[INFO] running `Command { std: "docker" "start" "-a" "f72397104d8b2164fcdbc0d9f1c1c8671eb2b4b5e45706afc3fdc4eb13627fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f72397104d8b2164fcdbc0d9f1c1c8671eb2b4b5e45706afc3fdc4eb13627fc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f72397104d8b2164fcdbc0d9f1c1c8671eb2b4b5e45706afc3fdc4eb13627fc0", kill_on_drop: false }`
[INFO] [stdout] f72397104d8b2164fcdbc0d9f1c1c8671eb2b4b5e45706afc3fdc4eb13627fc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ce1213eecd14d84df7b7cdc1b8b690fd189f5f271d891590dd3733f24007d2a
[INFO] running `Command { std: "docker" "start" "-a" "6ce1213eecd14d84df7b7cdc1b8b690fd189f5f271d891590dd3733f24007d2a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling hashbrown v0.11.2
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling smallvec v1.8.0
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling koto_lexer v0.10.0
[INFO] [stderr]    Compiling koto_parser v0.10.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]    Compiling koto_bytecode v0.10.0
[INFO] [stderr]    Compiling koto_runtime v0.10.0
[INFO] [stderr]    Compiling koto_serialize v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.35s
[INFO] running `Command { std: "docker" "inspect" "6ce1213eecd14d84df7b7cdc1b8b690fd189f5f271d891590dd3733f24007d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ce1213eecd14d84df7b7cdc1b8b690fd189f5f271d891590dd3733f24007d2a", kill_on_drop: false }`
[INFO] [stdout] 6ce1213eecd14d84df7b7cdc1b8b690fd189f5f271d891590dd3733f24007d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56640efddf9666a44a0d885ca882944a88e5a20b59405605b00baa5504aaef1a
[INFO] running `Command { std: "docker" "start" "-a" "56640efddf9666a44a0d885ca882944a88e5a20b59405605b00baa5504aaef1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling koto_serialize v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.94s
[INFO] running `Command { std: "docker" "inspect" "56640efddf9666a44a0d885ca882944a88e5a20b59405605b00baa5504aaef1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56640efddf9666a44a0d885ca882944a88e5a20b59405605b00baa5504aaef1a", kill_on_drop: false }`
[INFO] [stdout] 56640efddf9666a44a0d885ca882944a88e5a20b59405605b00baa5504aaef1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 14cd041e1c1720486677e5e52bfae2ac2cb2a5f224d4c28eb3c36d3cba9288c1
[INFO] running `Command { std: "docker" "start" "-a" "14cd041e1c1720486677e5e52bfae2ac2cb2a5f224d4c28eb3c36d3cba9288c1", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/koto_serialize-5da4e882aca071ab)
[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 koto_serialize
[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" "14cd041e1c1720486677e5e52bfae2ac2cb2a5f224d4c28eb3c36d3cba9288c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14cd041e1c1720486677e5e52bfae2ac2cb2a5f224d4c28eb3c36d3cba9288c1", kill_on_drop: false }`
[INFO] [stdout] 14cd041e1c1720486677e5e52bfae2ac2cb2a5f224d4c28eb3c36d3cba9288c1