[INFO] cloning repository https://github.com/nlinker/re-http-test
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nlinker/re-http-test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlinker%2Fre-http-test", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlinker%2Fre-http-test'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fc7b1d2e140e7de705e0734b31f79f6ad4b9b3ef
[INFO] documenting nlinker/re-http-test against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlinker%2Fre-http-test" "/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/nlinker/re-http-test on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nlinker/re-http-test
[INFO] finished tweaking git repo https://github.com/nlinker/re-http-test
[INFO] tweaked toml for git repo https://github.com/nlinker/re-http-test written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/nlinker/re-http-test already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08192a9fe62b4c7baec46c31a3ac86f57e8dae317b4a8c7bdb18ee02f9a1b9d5
[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" "08192a9fe62b4c7baec46c31a3ac86f57e8dae317b4a8c7bdb18ee02f9a1b9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08192a9fe62b4c7baec46c31a3ac86f57e8dae317b4a8c7bdb18ee02f9a1b9d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08192a9fe62b4c7baec46c31a3ac86f57e8dae317b4a8c7bdb18ee02f9a1b9d5", kill_on_drop: false }`
[INFO] [stdout] 08192a9fe62b4c7baec46c31a3ac86f57e8dae317b4a8c7bdb18ee02f9a1b9d5
[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" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 49a41983547814ee5d766625192fcb9e24ad3eac0a2d068413c11f11bf25c7dd
[INFO] running `Command { std: "docker" "start" "-a" "49a41983547814ee5d766625192fcb9e24ad3eac0a2d068413c11f11bf25c7dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling cc v1.0.47
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking pin-convert v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]     Checking tracing-core v0.1.7
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking unicode-normalization v0.1.9
[INFO] [stderr]     Checking parking_lot_core v0.6.2
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking parking_lot v0.9.0
[INFO] [stderr]     Checking http v0.1.19
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking chrono v0.4.9
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-subscriber v0.1.6
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.6
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking tracing v0.1.10
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.5
[INFO] [stderr]     Checking tokio-io v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-codec v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tower-make v0.3.0-alpha.2a
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking h2 v0.2.0-alpha.3
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-test v0.2.0-alpha.6
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking hyper v0.13.0-alpha.4
[INFO] [stderr]     Checking hyper-tls v0.4.0-alpha.4
[INFO] [stderr]     Checking reqwest v0.10.0-alpha.1
[INFO] [stderr]  Documenting re-http-test v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `re-http-test`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name re_http_test 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 futures=/opt/rustwide/target/debug/deps/libfutures-9b9142155282cdae.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-311eeb987fe9bc4e.rmeta --extern http=/opt/rustwide/target/debug/deps/libhttp-395aebc21509b117.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-557bb63fb2a3abce.rmeta --extern reqwest=/opt/rustwide/target/debug/deps/libreqwest-29b1b5f95a5c6d54.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-6cf5079703b5037f.rmeta --extern tokio_test=/opt/rustwide/target/debug/deps/libtokio_test-a2a9b78285cee0e7.rmeta --extern tracing=/opt/rustwide/target/debug/deps/libtracing-f751c896f93c025f.rmeta --extern tracing_subscriber=/opt/rustwide/target/debug/deps/libtracing_subscriber-b2a5a9955d2e4a1c.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-93fcdeee5be28b87.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "49a41983547814ee5d766625192fcb9e24ad3eac0a2d068413c11f11bf25c7dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49a41983547814ee5d766625192fcb9e24ad3eac0a2d068413c11f11bf25c7dd", kill_on_drop: false }`
[INFO] [stdout] 49a41983547814ee5d766625192fcb9e24ad3eac0a2d068413c11f11bf25c7dd