[INFO] fetching crate flexbuffers 2.0.0...
[INFO] testing flexbuffers-2.0.0 against 1.54.0 for beta-1.55-1
[INFO] extracting crate flexbuffers 2.0.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate flexbuffers 2.0.0 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate flexbuffers 2.0.0
[INFO] finished tweaking crates.io crate flexbuffers 2.0.0
[INFO] tweaked toml for crates.io crate flexbuffers 2.0.0 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_enum v0.5.3
[INFO] [stderr]   Downloaded proc-macro-crate v1.0.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.3
[INFO] [stderr]   Downloaded derivative v2.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2355431f96ee34c5514e6cd6140783556bf7b09ab534ea009f38199cacc11349
[INFO] running `Command { std: "docker" "start" "-a" "2355431f96ee34c5514e6cd6140783556bf7b09ab534ea009f38199cacc11349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2355431f96ee34c5514e6cd6140783556bf7b09ab534ea009f38199cacc11349", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2355431f96ee34c5514e6cd6140783556bf7b09ab534ea009f38199cacc11349", kill_on_drop: false }`
[INFO] [stdout] 2355431f96ee34c5514e6cd6140783556bf7b09ab534ea009f38199cacc11349
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] de92396e2132cbca8cea4fc029059fdc6ea72325fce9b31d81efdefe56302354
[INFO] running `Command { std: "docker" "start" "-a" "de92396e2132cbca8cea4fc029059fdc6ea72325fce9b31d81efdefe56302354", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling proc-macro-crate v1.0.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.3
[INFO] [stderr]    Compiling num_enum v0.5.3
[INFO] [stderr]    Compiling flexbuffers v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.55s
[INFO] running `Command { std: "docker" "inspect" "de92396e2132cbca8cea4fc029059fdc6ea72325fce9b31d81efdefe56302354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de92396e2132cbca8cea4fc029059fdc6ea72325fce9b31d81efdefe56302354", kill_on_drop: false }`
[INFO] [stdout] de92396e2132cbca8cea4fc029059fdc6ea72325fce9b31d81efdefe56302354
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63f0b352e4277e0f6ee07825ab35f3cb6706e4aee64766e8e8e7134e024b3270
[INFO] running `Command { std: "docker" "start" "-a" "63f0b352e4277e0f6ee07825ab35f3cb6706e4aee64766e8e8e7134e024b3270", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flexbuffers v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "63f0b352e4277e0f6ee07825ab35f3cb6706e4aee64766e8e8e7134e024b3270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63f0b352e4277e0f6ee07825ab35f3cb6706e4aee64766e8e8e7134e024b3270", kill_on_drop: false }`
[INFO] [stdout] 63f0b352e4277e0f6ee07825ab35f3cb6706e4aee64766e8e8e7134e024b3270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ee037a97f36526887b21c9989394cc9c75ac8ed2ca0fe6e2599ec8765a2894e
[INFO] running `Command { std: "docker" "start" "-a" "4ee037a97f36526887b21c9989394cc9c75ac8ed2ca0fe6e2599ec8765a2894e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flexbuffers-6cd339e549c6c5fe)
[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 flexbuffers
[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" "4ee037a97f36526887b21c9989394cc9c75ac8ed2ca0fe6e2599ec8765a2894e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ee037a97f36526887b21c9989394cc9c75ac8ed2ca0fe6e2599ec8765a2894e", kill_on_drop: false }`
[INFO] [stdout] 4ee037a97f36526887b21c9989394cc9c75ac8ed2ca0fe6e2599ec8765a2894e
