[INFO] fetching crate airkorea 0.4.3...
[INFO] checking airkorea-0.4.3 against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] extracting crate airkorea 0.4.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate airkorea 0.4.3 on toolchain 82acd1d76add2232e19c1f0feb250d2a19ec6efe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate airkorea 0.4.3
[INFO] finished tweaking crates.io crate airkorea 0.4.3
[INFO] tweaked toml for crates.io crate airkorea 0.4.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded selectors v0.21.0
[INFO] [stderr]   Downloaded markup5ever v0.7.5
[INFO] [stderr]   Downloaded html5ever v0.22.5
[INFO] [stderr]   Downloaded scraper v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a045dcb478659e5f882474a4b3692c3719fc60646bdf07b1effbf7419b1bfe04
[INFO] running `Command { std: "docker" "start" "-a" "a045dcb478659e5f882474a4b3692c3719fc60646bdf07b1effbf7419b1bfe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a045dcb478659e5f882474a4b3692c3719fc60646bdf07b1effbf7419b1bfe04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a045dcb478659e5f882474a4b3692c3719fc60646bdf07b1effbf7419b1bfe04", kill_on_drop: false }`
[INFO] [stdout] a045dcb478659e5f882474a4b3692c3719fc60646bdf07b1effbf7419b1bfe04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ddadcb116686238390b047eba995e0299407095a4159a12193f696c8ab7790a3
[INFO] running `Command { std: "docker" "start" "-a" "ddadcb116686238390b047eba995e0299407095a4159a12193f696c8ab7790a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling syn v1.0.59
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking new_debug_unreachable v1.0.4
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]     Checking precomputed-hash v0.1.1
[INFO] [stderr]     Checking mac v0.1.1
[INFO] [stderr]    Compiling procedural-masquerade v0.1.7
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking thin-slice v0.1.1
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking dtoa-short v0.3.3
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling libc v0.2.82
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking servo_arc v0.1.1
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]     Checking tendril v0.4.2
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stdout] error[E0277]: the trait bound `read_dir::DirEntry: std::sealed::Sealed` is not satisfied
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/tokio-fs-0.1.7/src/read_dir.rs:239:6
[INFO] [stdout]     |
[INFO] [stdout] 239 | impl DirEntryExt for DirEntry {
[INFO] [stdout]     |      ^^^^^^^^^^^ the trait `std::sealed::Sealed` is not implemented for `read_dir::DirEntry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tokio-fs`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "ddadcb116686238390b047eba995e0299407095a4159a12193f696c8ab7790a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddadcb116686238390b047eba995e0299407095a4159a12193f696c8ab7790a3", kill_on_drop: false }`
[INFO] [stdout] ddadcb116686238390b047eba995e0299407095a4159a12193f696c8ab7790a3