[INFO] updating cached repository https://github.com/infinyon/flv-future
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] be6fd0ab83358c808248ffb7f2b5d127a3aaa4cc
[INFO] checking infinyon/flv-future against try#5fdfba63a96c5e8ae0ebf6b8b66853110277087d for pr-73166
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Finfinyon%2Fflv-future" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/infinyon/flv-future on toolchain 5fdfba63a96c5e8ae0ebf6b8b66853110277087d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[INFO] started tweaking git repo https://github.com/infinyon/flv-future
[INFO] removed path dependency async-test-derive from git repo https://github.com/infinyon/flv-future
[INFO] removed path dependency async-test-derive from git repo https://github.com/infinyon/flv-future
[INFO] removed path dependency flv-future-aio from git repo https://github.com/infinyon/flv-future
[INFO] finished tweaking git repo https://github.com/infinyon/flv-future
[INFO] tweaked toml for git repo https://github.com/infinyon/flv-future written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/infinyon/flv-future already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (flv-future-aio) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-12/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (flv-future-aio) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c683f7667416aecd5981bf82b094054f54edd8b0e27ab6cebf5a2d0dadcea902
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c683f7667416aecd5981bf82b094054f54edd8b0e27ab6cebf5a2d0dadcea902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c683f7667416aecd5981bf82b094054f54edd8b0e27ab6cebf5a2d0dadcea902", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c683f7667416aecd5981bf82b094054f54edd8b0e27ab6cebf5a2d0dadcea902", kill_on_drop: false }`
[INFO] [stdout] c683f7667416aecd5981bf82b094054f54edd8b0e27ab6cebf5a2d0dadcea902
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+5fdfba63a96c5e8ae0ebf6b8b66853110277087d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29a585e532dc791833168635633388022abbb38a67c456c5df286e875a878967
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "29a585e532dc791833168635633388022abbb38a67c456c5df286e875a878967", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (flv-future-aio) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.67
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling bumpalo v3.4.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]    Compiling wasm-bindgen v0.2.67
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking event-listener v2.2.1
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking fastrand v1.3.3
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking send_wrapper v0.4.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking concurrent-queue v1.1.2
[INFO] [stderr]     Checking async-lock v1.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking futures-lite v0.1.10
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking async-channel v1.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking flv-util v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.67
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.67
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling async-test-derive v1.0.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.67
[INFO] [stderr]     Checking js-sys v0.3.44
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking web-sys v0.3.44
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking futures_codec v0.3.4
[INFO] [stderr]     Checking gloo-timers v0.2.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking flv-future-aio v2.3.1
[INFO] [stderr]     Checking flv-future-aio v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "29a585e532dc791833168635633388022abbb38a67c456c5df286e875a878967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29a585e532dc791833168635633388022abbb38a67c456c5df286e875a878967", kill_on_drop: false }`
[INFO] [stdout] 29a585e532dc791833168635633388022abbb38a67c456c5df286e875a878967