[INFO] cloning repository https://github.com/l3kn/EulerLisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/l3kn/EulerLisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2FEulerLisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2FEulerLisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c525a71b2059b06dc1341fcd479daa8f77bdd972
[INFO] documenting l3kn/EulerLisp 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%2Fl3kn%2FEulerLisp" "/workspace/builds/worker-109/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-109/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/l3kn/EulerLisp 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/l3kn/EulerLisp
[INFO] finished tweaking git repo https://github.com/l3kn/EulerLisp
[INFO] tweaked toml for git repo https://github.com/l3kn/EulerLisp written to /workspace/builds/worker-109/source/Cargo.toml
[INFO] crate git repo https://github.com/l3kn/EulerLisp 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num v0.2.0
[INFO] [stderr]   Downloaded serde v1.0.33
[INFO] [stderr]   Downloaded csv-core v0.1.4
[INFO] [stderr]   Downloaded syn v0.15.25
[INFO] [stderr]   Downloaded colored v1.6.0
[INFO] [stderr]   Downloaded num-bigint v0.2.2
[INFO] [stderr]   Downloaded csv v1.0.0-beta.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] f86280f61e4a3d50a33a95b1faf5102e86fe13d2727ccc451d0dc7b2f813bd9d
[INFO] running `Command { std: "docker" "start" "-a" "f86280f61e4a3d50a33a95b1faf5102e86fe13d2727ccc451d0dc7b2f813bd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f86280f61e4a3d50a33a95b1faf5102e86fe13d2727ccc451d0dc7b2f813bd9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f86280f61e4a3d50a33a95b1faf5102e86fe13d2727ccc451d0dc7b2f813bd9d", kill_on_drop: false }`
[INFO] [stdout] f86280f61e4a3d50a33a95b1faf5102e86fe13d2727ccc451d0dc7b2f813bd9d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-109/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] 50d87e978297c232e17eb4ba849db1724014f90f13bf6ee071c6d91df8f7f8d4
[INFO] running `Command { std: "docker" "start" "-a" "50d87e978297c232e17eb4ba849db1724014f90f13bf6ee071c6d91df8f7f8d4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.39
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking serde v1.0.33
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking colored v1.6.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking csv-core v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.25
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]    Compiling lisp-macros v0.1.0 (/opt/rustwide/workdir/lisp-macros)
[INFO] [stdout] warning: unused variable: `function`
[INFO] [stdout]   --> lisp-macros/lib.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let function = function::parse(&fn_item).unwrap();
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_function`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_ts`
[INFO] [stdout]   --> lisp-macros/lib.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub fn lisp_fn(attr_ts: TokenStream, fn_ts: TokenStream) -> TokenStream {
[INFO] [stdout]    |                ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_ts`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting euler_lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/lib.rs:40:24
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl From<std::option::NoneError> for LispError {
[INFO] [stdout]    |                        ^^^^^^^^^ not found in `std::option`
[INFO] [stdout]    |
[INFO] [stdout] help: there is an enum variant `crate::LispError::NoneError`; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl From<crate::LispError> for LispError {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `NoneError` in module `std::option`
[INFO] [stdout]   --> src/lib.rs:41:33
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn from(error: std::option::NoneError) -> Self {
[INFO] [stdout]    |                                 ^^^^^^^^^ not found in `std::option`
[INFO] [stdout]    |
[INFO] [stdout] help: there is an enum variant `crate::LispError::NoneError`; try using the variant's enum
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn from(error: crate::LispError) -> Self {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(try_trait)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `euler_lisp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name euler_lisp src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern bit_vec=/opt/rustwide/target/debug/deps/libbit_vec-f14fbf524f47801d.rmeta --extern byteorder=/opt/rustwide/target/debug/deps/libbyteorder-4a7335ff1d2ee0cd.rmeta --extern colored=/opt/rustwide/target/debug/deps/libcolored-564cc635d17d30c7.rmeta --extern csv=/opt/rustwide/target/debug/deps/libcsv-e6938bc7a3ca83f8.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-61b3d0371d1ed0dd.rmeta --extern lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-7a342a7b267c2dfd.rmeta --extern lisp_macros=/opt/rustwide/target/debug/deps/liblisp_macros-7bd17ea2bf2dfcaf.so --extern num=/opt/rustwide/target/debug/deps/libnum-32109dee3aaf0de6.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-77415f1300850a72.rmeta --extern rayon=/opt/rustwide/target/debug/deps/librayon-4981db114cd9b272.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-cd91479b9bb6b9da.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-3ed3d40e751d322a.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "50d87e978297c232e17eb4ba849db1724014f90f13bf6ee071c6d91df8f7f8d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50d87e978297c232e17eb4ba849db1724014f90f13bf6ee071c6d91df8f7f8d4", kill_on_drop: false }`
[INFO] [stdout] 50d87e978297c232e17eb4ba849db1724014f90f13bf6ee071c6d91df8f7f8d4
