[INFO] cloning repository https://github.com/ubnt-intrepid/cargo-docserve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ubnt-intrepid/cargo-docserve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Fcargo-docserve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Fcargo-docserve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f400c1e7e92bd425f7ebf12f7b0ccb67b747aad
[INFO] checking ubnt-intrepid/cargo-docserve against try#82acd1d76add2232e19c1f0feb250d2a19ec6efe for pr-81213
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Fcargo-docserve" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubnt-intrepid/cargo-docserve 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/ubnt-intrepid/cargo-docserve
[INFO] removed workspace from git repo https://github.com/ubnt-intrepid/cargo-docserve
[INFO] finished tweaking git repo https://github.com/ubnt-intrepid/cargo-docserve
[INFO] tweaked toml for git repo https://github.com/ubnt-intrepid/cargo-docserve written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ubnt-intrepid/cargo-docserve 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.12
[INFO] [stderr]   Downloaded crypto-hash v0.3.1
[INFO] [stderr]   Downloaded serde v1.0.79
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[INFO] [stderr]   Downloaded tokio v0.1.11
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[INFO] [stderr]   Downloaded core-foundation v0.6.2
[INFO] [stderr]   Downloaded openssl v0.10.12
[INFO] [stderr]   Downloaded serde_ignored v0.0.4
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[INFO] [stderr]   Downloaded serde_derive v1.0.79
[INFO] [stderr]   Downloaded shell-escape v0.1.4
[INFO] [stderr]   Downloaded structopt-derive v0.2.12
[INFO] [stderr]   Downloaded tokio-executor v0.1.5
[INFO] [stderr]   Downloaded tokio-tcp v0.1.2
[INFO] [stderr]   Downloaded lazycell v1.2.0
[INFO] [stderr]   Downloaded tokio-io v0.1.9
[INFO] [stderr]   Downloaded tokio-reactor v0.1.6
[INFO] [stderr]   Downloaded git2 v0.7.5
[INFO] [stderr]   Downloaded syn v0.15.9
[INFO] [stderr]   Downloaded tokio-uds v0.2.2
[INFO] [stderr]   Downloaded libssh2-sys v0.2.11
[INFO] [stderr]   Downloaded crossbeam-epoch v0.6.0
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[INFO] [stderr]   Downloaded tempfile v3.0.4
[INFO] [stderr]   Downloaded askama v0.7.2
[INFO] [stderr]   Downloaded git2-curl v0.8.2
[INFO] [stderr]   Downloaded crates-io v0.18.0
[INFO] [stderr]   Downloaded http v0.1.13
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[INFO] [stderr]   Downloaded rustfix v0.4.2
[INFO] [stderr]   Downloaded curl-sys v0.4.13
[INFO] [stderr]   Downloaded lock_api v0.1.4
[INFO] [stderr]   Downloaded jobserver v0.1.11
[INFO] [stderr]   Downloaded tar v0.4.17
[INFO] [stderr]   Downloaded serde_json v1.0.32
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.3
[INFO] [stderr]   Downloaded home v0.3.3
[INFO] [stderr]   Downloaded openssl-sys v0.9.36
[INFO] [stderr]   Downloaded toml v0.4.8
[INFO] [stderr]   Downloaded nom v4.1.0
[INFO] [stderr]   Downloaded notify v4.0.6
[INFO] [stderr]   Downloaded curl v0.4.18
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.7
[INFO] [stderr]   Downloaded flate2 v1.0.3
[INFO] [stderr]   Downloaded tokio-timer v0.2.7
[INFO] [stderr]   Downloaded askama_derive v0.7.2
[INFO] [stderr]   Downloaded libgit2-sys v0.7.10
[INFO] [stderr]   Downloaded clap-verbosity-flag v0.2.0
[INFO] [stderr]   Downloaded walkdir v2.2.5
[INFO] [stderr]   Downloaded cargo v0.30.0
[INFO] [stderr]   Downloaded same-file v1.0.3
[INFO] [stderr]   Downloaded libz-sys v1.0.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] aad6bc6f983b71e9322ab3610d27f0a545b5a81343085c656b994ee54fcf09f7
[INFO] running `Command { std: "docker" "start" "-a" "aad6bc6f983b71e9322ab3610d27f0a545b5a81343085c656b994ee54fcf09f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aad6bc6f983b71e9322ab3610d27f0a545b5a81343085c656b994ee54fcf09f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad6bc6f983b71e9322ab3610d27f0a545b5a81343085c656b994ee54fcf09f7", kill_on_drop: false }`
[INFO] [stdout] aad6bc6f983b71e9322ab3610d27f0a545b5a81343085c656b994ee54fcf09f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 5eaebd479ae699625c30040884928557902a80552c49a7d76542d672f54c1ab3
[INFO] running `Command { std: "docker" "start" "-a" "5eaebd479ae699625c30040884928557902a80552c49a7d76542d672f54c1ab3", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]     Checking rustc-demangle v0.1.9
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking remove_dir_all v0.5.1
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking home v0.3.3
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking shell-escape v0.1.4
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]    Compiling unicase v2.2.0
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking jobserver v0.1.11
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking tar v0.4.17
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling libz-sys v1.0.24
[INFO] [stderr]    Compiling curl-sys v0.4.13
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.7.10
[INFO] [stderr]    Compiling miniz-sys v0.1.10
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]    Compiling nom v4.1.0
[INFO] [stderr]     Checking tempfile v3.0.4
[INFO] [stderr]     Checking mime v0.3.9
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking flate2 v1.0.3
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.3
[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-0.1.3/src/read_dir.rs:243:6
[INFO] [stdout]     |
[INFO] [stdout] 243 | 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" "5eaebd479ae699625c30040884928557902a80552c49a7d76542d672f54c1ab3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5eaebd479ae699625c30040884928557902a80552c49a7d76542d672f54c1ab3", kill_on_drop: false }`
[INFO] [stdout] 5eaebd479ae699625c30040884928557902a80552c49a7d76542d672f54c1ab3