[INFO] cloning repository https://github.com/HMPerson1/orbit-sim
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HMPerson1/orbit-sim" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHMPerson1%2Forbit-sim", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHMPerson1%2Forbit-sim'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e6c976272fb228b71aef80d0830958bc42b9dc23
[INFO] documenting HMPerson1/orbit-sim 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%2FHMPerson1%2Forbit-sim" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HMPerson1/orbit-sim 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/HMPerson1/orbit-sim
[INFO] finished tweaking git repo https://github.com/HMPerson1/orbit-sim
[INFO] tweaked toml for git repo https://github.com/HMPerson1/orbit-sim written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/HMPerson1/orbit-sim 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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 6ad3a4e1c4514ff4473e589ff99c440884193c7f19c8a85e6a2180432b2015e8
[INFO] running `Command { std: "docker" "start" "-a" "6ad3a4e1c4514ff4473e589ff99c440884193c7f19c8a85e6a2180432b2015e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6ad3a4e1c4514ff4473e589ff99c440884193c7f19c8a85e6a2180432b2015e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ad3a4e1c4514ff4473e589ff99c440884193c7f19c8a85e6a2180432b2015e8", kill_on_drop: false }`
[INFO] [stdout] 6ad3a4e1c4514ff4473e589ff99c440884193c7f19c8a85e6a2180432b2015e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 1a0510c69b2f020b792e1a31c2365c46468b991ca76382eb1116622791f47d01
[INFO] running `Command { std: "docker" "start" "-a" "1a0510c69b2f020b792e1a31c2365c46468b991ca76382eb1116622791f47d01", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]    Compiling libm v0.2.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cairo-rs v0.2.0
[INFO] [stderr]    Compiling gio v0.2.0
[INFO] [stderr]    Compiling gdk-pixbuf v0.2.0
[INFO] [stderr]    Compiling gdk v0.6.0
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling gtk v0.2.0
[INFO] [stderr]     Checking tau v1.0.4
[INFO] [stderr]    Compiling glib-sys v0.4.0
[INFO] [stderr]    Compiling gobject-sys v0.4.0
[INFO] [stderr]    Compiling gio-sys v0.4.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.4.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.4.0
[INFO] [stderr]    Compiling pango-sys v0.4.0
[INFO] [stderr]    Compiling gdk-sys v0.4.0
[INFO] [stderr]    Compiling atk-sys v0.4.0
[INFO] [stderr]    Compiling gtk-sys v0.4.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]     Checking matrixmultiply v0.2.3
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.13.2
[INFO] [stderr]     Checking generic-array v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking simba v0.1.5
[INFO] [stderr]     Checking glib v0.3.1
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking nalgebra v0.21.1
[INFO] [stderr]     Checking pango v0.2.0
[INFO] [stderr]  Documenting orbit-sim 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(unboxed_closures,fn_traits)]
[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 `orbit-sim`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name orbit_sim 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 bitflags=/opt/rustwide/target/debug/deps/libbitflags-9a8055e138adc533.rmeta --extern cairo=/opt/rustwide/target/debug/deps/libcairo-44272dc56eb999aa.rmeta --extern generic_array=/opt/rustwide/target/debug/deps/libgeneric_array-f74335e8c1c902c5.rmeta --extern gtk=/opt/rustwide/target/debug/deps/libgtk-6c994407ab295df9.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-dcbd8fda68976995.rmeta --extern nalgebra=/opt/rustwide/target/debug/deps/libnalgebra-30ec17c213de7cb8.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-d5296d08b64275f4.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-a9e747088a1a8a8f.rmeta --extern tau=/opt/rustwide/target/debug/deps/libtau-ef609797158fb908.rmeta --extern typenum=/opt/rustwide/target/debug/deps/libtypenum-998188894a333e6e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "1a0510c69b2f020b792e1a31c2365c46468b991ca76382eb1116622791f47d01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0510c69b2f020b792e1a31c2365c46468b991ca76382eb1116622791f47d01", kill_on_drop: false }`
[INFO] [stdout] 1a0510c69b2f020b792e1a31c2365c46468b991ca76382eb1116622791f47d01
