[INFO] cloning repository https://github.com/That3Percent/twitter-sentiment-graphs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/That3Percent/twitter-sentiment-graphs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThat3Percent%2Ftwitter-sentiment-graphs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThat3Percent%2Ftwitter-sentiment-graphs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 92daa6d4887ccecff9d74add81a57d35a4199ad1
[INFO] documenting That3Percent/twitter-sentiment-graphs against 1.47.0 for beta-1.48-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThat3Percent%2Ftwitter-sentiment-graphs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/That3Percent/twitter-sentiment-graphs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/That3Percent/twitter-sentiment-graphs
[INFO] finished tweaking git repo https://github.com/That3Percent/twitter-sentiment-graphs
[INFO] tweaked toml for git repo https://github.com/That3Percent/twitter-sentiment-graphs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/That3Percent/twitter-sentiment-graphs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9156ab9851b6b81f062e41ef8a12941f589f641acdc90a1926a70dc3ae5f3e0d
[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" "9156ab9851b6b81f062e41ef8a12941f589f641acdc90a1926a70dc3ae5f3e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9156ab9851b6b81f062e41ef8a12941f589f641acdc90a1926a70dc3ae5f3e0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9156ab9851b6b81f062e41ef8a12941f589f641acdc90a1926a70dc3ae5f3e0d", kill_on_drop: false }`
[INFO] [stdout] 9156ab9851b6b81f062e41ef8a12941f589f641acdc90a1926a70dc3ae5f3e0d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ff9d3723dd35ae74ab040f38545bf1da07575576286d1ba7198f70eb6a84fb4
[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" "3ff9d3723dd35ae74ab040f38545bf1da07575576286d1ba7198f70eb6a84fb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking smallvec v0.6.12
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling syn v1.0.7
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]    Compiling safemem v0.3.3
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking subtle v1.0.0
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking pin-project-lite v0.1.0
[INFO] [stderr]     Checking string v0.1.3
[INFO] [stderr]     Checking second-stack v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/second-stack-0.2.1/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(allocator_api, alloc_layout_extra, ptr_offset_from)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]    Compiling circular-queue v0.2.2
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling rocket_codegen v0.4.2
[INFO] [stderr]    Compiling rocket v0.4.2
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/second-stack-0.2.1/src/lib.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 bottom,
[INFO] [stdout]     |                 ^^^^^^ expected `u8`, found slice `[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut u8`
[INFO] [stdout]                found raw pointer `*mut [u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/second-stack-0.2.1/src/lib.rs:111:26
[INFO] [stdout]     |
[INFO] [stdout] 111 |                 current: bottom,
[INFO] [stdout]     |                          ^^^^^^ expected `u8`, found slice `[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut u8`
[INFO] [stdout]                found raw pointer `*mut [u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `[u8]` cannot be known at compilation time
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/second-stack-0.2.1/src/lib.rs:112:29
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 top: bottom.add(layout.size()),
[INFO] [stdout]     |                             ^^^ doesn't have a size known at compile-time
[INFO] [stdout]     |
[INFO] [stdout]     = help: the trait `std::marker::Sized` is not implemented for `[u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/second-stack-0.2.1/src/lib.rs:112:22
[INFO] [stdout]     |
[INFO] [stdout] 112 |                 top: bottom.add(layout.size()),
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^^^ expected `u8`, found slice `[u8]`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected raw pointer `*mut u8`
[INFO] [stdout]                found raw pointer `*mut [u8]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `second-stack`.
[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" "3ff9d3723dd35ae74ab040f38545bf1da07575576286d1ba7198f70eb6a84fb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ff9d3723dd35ae74ab040f38545bf1da07575576286d1ba7198f70eb6a84fb4", kill_on_drop: false }`
[INFO] [stdout] 3ff9d3723dd35ae74ab040f38545bf1da07575576286d1ba7198f70eb6a84fb4
