[INFO] fetching crate rics 0.2.2...
[INFO] documenting rics-0.2.2 against nightly for scrape-examples
[INFO] extracting crate rics 0.2.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate rics 0.2.2 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rics 0.2.2
[INFO] finished tweaking crates.io crate rics 0.2.2
[INFO] tweaked toml for crates.io crate rics 0.2.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate rics 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cairo-sys-rs v0.10.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.9.0
[INFO] [stderr]   Downloaded glib v0.10.3
[INFO] [stderr]   Downloaded protobuf v2.18.1
[INFO] [stderr]   Downloaded cairo-rs v0.9.1
[INFO] [stderr]   Downloaded gdk v0.13.2
[INFO] [stderr]   Downloaded atk v0.9.0
[INFO] [stderr]   Downloaded glib-macros v0.10.1
[INFO] [stderr]   Downloaded atk-sys v0.10.0
[INFO] [stderr]   Downloaded gtk-sys v0.10.0
[INFO] [stderr]   Downloaded rlua v0.17.0
[INFO] [stderr]   Downloaded gio v0.9.1
[INFO] [stderr]   Downloaded gtk v0.9.2
[INFO] [stderr]   Downloaded gdk-sys v0.10.0
[INFO] [stderr]   Downloaded syn v1.0.53
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.10.0
[INFO] [stderr]   Downloaded pango v0.9.1
[INFO] [stderr]   Downloaded pango-sys v0.10.0
[INFO] [stderr]   Downloaded anyhow v1.0.35
[INFO] [stderr]   Downloaded serialport v3.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ee41a134acae5b92ffee86acdc27d3aa60b54b4e58fcec0547bb94da3988cc5e
[INFO] running `Command { std: "docker" "start" "-a" "ee41a134acae5b92ffee86acdc27d3aa60b54b4e58fcec0547bb94da3988cc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee41a134acae5b92ffee86acdc27d3aa60b54b4e58fcec0547bb94da3988cc5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee41a134acae5b92ffee86acdc27d3aa60b54b4e58fcec0547bb94da3988cc5e", kill_on_drop: false }`
[INFO] [stdout] ee41a134acae5b92ffee86acdc27d3aa60b54b4e58fcec0547bb94da3988cc5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1a57b4d93417437fe9414cf0154c36060eaf492691f380c67e755be05133b45
[INFO] running `Command { std: "docker" "start" "-a" "b1a57b4d93417437fe9414cf0154c36060eaf492691f380c67e755be05133b45", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling protobuf v2.18.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling rics v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking try_from v0.2.2
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stdout] warning: unused import: `std::env`
[INFO] [stdout]  --> build.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::env;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]  --> build.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::path::Path;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking itertools v0.4.19
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking libudev v0.2.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking serialport v3.3.0
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]  Documenting rics v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: custom inner attributes are unstable
[INFO] [stdout]  --> src/rics.rs:9:4
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![rustfmt::skip]
[INFO] [stdout]   |    ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #64266 <https://github.com/rust-lang/rust/issues/64266>
[INFO] [stdout]   = note: `#[deny(soft_unstable)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `svr` is never read
[INFO] [stdout]    --> src/script.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | struct ServerBox {
[INFO] [stdout]     |        --------- field in this struct
[INFO] [stdout] 111 |     svr: *mut RICSServer
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_sink` is never used
[INFO] [stdout]    --> src/host.rs:103:8
[INFO] [stdout]     |
[INFO] [stdout] 103 |     fn new_sink(&mut self, os: Arc<Mutex<dyn Write + Send + Sync>>) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rics` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "b1a57b4d93417437fe9414cf0154c36060eaf492691f380c67e755be05133b45", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1a57b4d93417437fe9414cf0154c36060eaf492691f380c67e755be05133b45", kill_on_drop: false }`
[INFO] [stdout] b1a57b4d93417437fe9414cf0154c36060eaf492691f380c67e755be05133b45