[INFO] cloning repository https://github.com/Setadokalo/4chan-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Setadokalo/4chan-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSetadokalo%2F4chan-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSetadokalo%2F4chan-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d6c3b890f967439be45faa7afe3dd504932cde4
[INFO] documenting Setadokalo/4chan-tool against 1.54.0 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSetadokalo%2F4chan-tool" "/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/Setadokalo/4chan-tool on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Setadokalo/4chan-tool
[INFO] finished tweaking git repo https://github.com/Setadokalo/4chan-tool
[INFO] tweaked toml for git repo https://github.com/Setadokalo/4chan-tool written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Setadokalo/4chan-tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded string-builder v0.2.0
[INFO] [stderr]   Downloaded pin-project-internal v1.0.6
[INFO] [stderr]   Downloaded signal-hook v0.3.8
[INFO] [stderr]   Downloaded reqwest v0.11.2
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded func_wrap v0.1.3
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded cursive_core v0.2.2
[INFO] [stderr]   Downloaded tokio-util v0.6.5
[INFO] [stderr]   Downloaded cursive v0.16.3
[INFO] [stderr]   Downloaded httparse v1.3.6
[INFO] [stderr]   Downloaded x11rb v0.8.1
[INFO] [stderr]   Downloaded simplelog v0.10.0
[INFO] [stderr]   Downloaded wasmer_enumset_derive v0.5.0
[INFO] [stderr]   Downloaded wasmer_enumset v1.0.1
[INFO] [stderr]   Downloaded pin-project v1.0.6
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b05deac834b7109714f03e65f731c8f6186b10b4ea2197a587b1d3011fa3b91f
[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" "b05deac834b7109714f03e65f731c8f6186b10b4ea2197a587b1d3011fa3b91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b05deac834b7109714f03e65f731c8f6186b10b4ea2197a587b1d3011fa3b91f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05deac834b7109714f03e65f731c8f6186b10b4ea2197a587b1d3011fa3b91f", kill_on_drop: false }`
[INFO] [stdout] b05deac834b7109714f03e65f731c8f6186b10b4ea2197a587b1d3011fa3b91f
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 053c451a43cb5fd85fab7d1ae0e753e89f2356a2b3d61d7d3ad09e2382d39a5f
[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" "053c451a43cb5fd85fab7d1ae0e753e89f2356a2b3d61d7d3ad09e2382d39a5f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking array-macro v1.0.5
[INFO] [stderr]    Compiling signal-hook v0.3.8
[INFO] [stderr]     Checking string-builder v0.2.0
[INFO] [stderr]    Compiling tokio v1.4.0
[INFO] [stderr]    Compiling ahash v0.6.3
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking futures-util v0.3.13
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking openssl-sys v0.9.61
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking openssl v0.10.33
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking simplelog v0.10.0
[INFO] [stderr]     Checking native-tls v0.2.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling func_wrap v0.1.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tokio-util v0.6.5
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking h2 v0.3.2
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling pin-project-internal v1.0.6
[INFO] [stderr]    Compiling enum-map-derive v0.4.6
[INFO] [stderr]    Compiling bench_debug v0.1.0 (/opt/rustwide/workdir/bench_debug)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> bench_debug/src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro_def_site)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `bench_debug`
[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" "053c451a43cb5fd85fab7d1ae0e753e89f2356a2b3d61d7d3ad09e2382d39a5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "053c451a43cb5fd85fab7d1ae0e753e89f2356a2b3d61d7d3ad09e2382d39a5f", kill_on_drop: false }`
[INFO] [stdout] 053c451a43cb5fd85fab7d1ae0e753e89f2356a2b3d61d7d3ad09e2382d39a5f
