[INFO] cloning repository https://github.com/ed-bassett/httptest
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ed-bassett/httptest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fed-bassett%2Fhttptest", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fed-bassett%2Fhttptest'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1e4bc9e899373a3e1101e6b1286fc789986e05e1
[INFO] documenting ed-bassett/httptest against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fed-bassett%2Fhttptest" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ed-bassett/httptest on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ed-bassett/httptest
[INFO] finished tweaking git repo https://github.com/ed-bassett/httptest
[INFO] tweaked toml for git repo https://github.com/ed-bassett/httptest written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ed-bassett/httptest already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be65dcf9d454ec62a66e9ec8bd6e48fbf99946b2b2ffb7533aaf32d99991dafe
[INFO] running `Command { std: "docker" "start" "-a" "be65dcf9d454ec62a66e9ec8bd6e48fbf99946b2b2ffb7533aaf32d99991dafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be65dcf9d454ec62a66e9ec8bd6e48fbf99946b2b2ffb7533aaf32d99991dafe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be65dcf9d454ec62a66e9ec8bd6e48fbf99946b2b2ffb7533aaf32d99991dafe", kill_on_drop: false }`
[INFO] [stdout] be65dcf9d454ec62a66e9ec8bd6e48fbf99946b2b2ffb7533aaf32d99991dafe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "RUSTDOCFLAGS=--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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6bd79f5e53cb63885e209e9b0c4d76524d8cc03be63ad1210959212b3cb57d2f
[INFO] running `Command { std: "docker" "start" "-a" "6bd79f5e53cb63885e209e9b0c4d76524d8cc03be63ad1210959212b3cb57d2f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking arrayvec v0.4.8
[INFO] [stderr]     Checking rand_xorshift v0.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking crossbeam-deque v0.6.2
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking memchr v2.1.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking aho-corasick v0.6.9
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.15
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.14
[INFO] [stderr]     Checking env_logger v0.6.0
[INFO] [stderr]     Checking h2 v0.1.15
[INFO] [stderr]     Checking hyper v0.12.22
[INFO] [stderr]  Documenting httptest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/main.rs:2:12
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(impl_trait_in_bindings)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: the implementation was not maintainable, the feature may get reintroduced once the current refactorings are done
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_syntax)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(impl_trait_in_bindings)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0557.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `httptest`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name httptest src/main.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-be7c420d52b535df.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-cfe8cfdad380a03e.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-1b062f22406c7630.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-e84a46cec2d32db0.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "6bd79f5e53cb63885e209e9b0c4d76524d8cc03be63ad1210959212b3cb57d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6bd79f5e53cb63885e209e9b0c4d76524d8cc03be63ad1210959212b3cb57d2f", kill_on_drop: false }`
[INFO] [stdout] 6bd79f5e53cb63885e209e9b0c4d76524d8cc03be63ad1210959212b3cb57d2f
