[INFO] cloning repository https://github.com/losfair/wstunnel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/losfair/wstunnel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosfair%2Fwstunnel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosfair%2Fwstunnel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2c49ac3f1b8dc7219816151c334117e64b737f1e
[INFO] checking losfair/wstunnel against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flosfair%2Fwstunnel" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/losfair/wstunnel 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 git repo https://github.com/losfair/wstunnel
[INFO] finished tweaking git repo https://github.com/losfair/wstunnel
[INFO] tweaked toml for git repo https://github.com/losfair/wstunnel written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/losfair/wstunnel already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+82acd1d76add2232e19c1f0feb250d2a19ec6efe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/meh/rust-tun`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ioctl-sys v0.5.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.2
[INFO] [stderr]   Downloaded structopt v0.3.9
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded syn v1.0.15
[INFO] [stderr]   Downloaded jsonwebtoken v7.0.1
[INFO] [stderr]   Downloaded tokio-macros v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] be93eef5da92533e42be0c71ab7cf31146884b67be6822a31dc26785a2389c93
[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" "be93eef5da92533e42be0c71ab7cf31146884b67be6822a31dc26785a2389c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be93eef5da92533e42be0c71ab7cf31146884b67be6822a31dc26785a2389c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be93eef5da92533e42be0c71ab7cf31146884b67be6822a31dc26785a2389c93", kill_on_drop: false }`
[INFO] [stdout] be93eef5da92533e42be0c71ab7cf31146884b67be6822a31dc26785a2389c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 63c2e446c0c655a30bc34a43ebcbae24ce91ab6667bb40876a6f94bcc00474d6
[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" "63c2e446c0c655a30bc34a43ebcbae24ce91ab6667bb40876a6f94bcc00474d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking futures-sink v0.3.4
[INFO] [stderr]     Checking futures-io v0.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking utf-8 v0.7.5
[INFO] [stderr]     Checking ioctl-sys v0.5.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking backtrace-sys v0.1.32
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.42
[INFO] [stderr]     Checking backtrace v0.3.44
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking etherparse v0.9.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking simple_asn1 v0.4.0
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking pem v0.7.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling proc-macro-error v0.4.9
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.9
[INFO] [stderr]    Compiling futures-macro v0.3.4
[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-0.2.11/src/fs/read_dir.rs:240:6
[INFO] [stdout]     |
[INFO] [stdout] 240 | 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`
[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" "63c2e446c0c655a30bc34a43ebcbae24ce91ab6667bb40876a6f94bcc00474d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63c2e446c0c655a30bc34a43ebcbae24ce91ab6667bb40876a6f94bcc00474d6", kill_on_drop: false }`
[INFO] [stdout] 63c2e446c0c655a30bc34a43ebcbae24ce91ab6667bb40876a6f94bcc00474d6