[INFO] cloning repository https://github.com/TheIronBorn/EulerLisp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/TheIronBorn/EulerLisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3ea3e8d461c52ddc16602939a2e81e4696965002
[INFO] documenting TheIronBorn/EulerLisp against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTheIronBorn%2FEulerLisp" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/TheIronBorn/EulerLisp on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/TheIronBorn/EulerLisp
[INFO] finished tweaking git repo https://github.com/TheIronBorn/EulerLisp
[INFO] tweaked toml for git repo https://github.com/TheIronBorn/EulerLisp written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/TheIronBorn/EulerLisp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encode_unicode v0.1.3
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded rustyline v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.28
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aed9e6ec99702887ea7e5380238a351c2d4fa8f06cf4bb98180579df5bd0a01c
[INFO] running `Command { std: "docker" "start" "-a" "aed9e6ec99702887ea7e5380238a351c2d4fa8f06cf4bb98180579df5bd0a01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aed9e6ec99702887ea7e5380238a351c2d4fa8f06cf4bb98180579df5bd0a01c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aed9e6ec99702887ea7e5380238a351c2d4fa8f06cf4bb98180579df5bd0a01c", kill_on_drop: false }`
[INFO] [stdout] aed9e6ec99702887ea7e5380238a351c2d4fa8f06cf4bb98180579df5bd0a01c
[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" "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" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 066db6642b127f631b6bf7f29e1f9d79a307fe1a9ece026b289425ac54fce91c
[INFO] running `Command { std: "docker" "start" "-a" "066db6642b127f631b6bf7f29e1f9d79a307fe1a9ece026b289425ac54fce91c", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.28
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking nom v3.2.0
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]  Documenting lisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(io)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(i128_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `i128_type` has been stable since 1.26.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 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 `lisp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name 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-cff0529eb54ad451.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-75065ba5cc94e6ed.rmeta --extern nom=/opt/rustwide/target/debug/deps/libnom-51a1394f42e3fba8.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-48fd5fc84bdbd890.rmeta --extern rustyline=/opt/rustwide/target/debug/deps/librustyline-70bd4567e840bda7.rmeta --extern time=/opt/rustwide/target/debug/deps/libtime-2ffe365e483a231e.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "066db6642b127f631b6bf7f29e1f9d79a307fe1a9ece026b289425ac54fce91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066db6642b127f631b6bf7f29e1f9d79a307fe1a9ece026b289425ac54fce91c", kill_on_drop: false }`
[INFO] [stdout] 066db6642b127f631b6bf7f29e1f9d79a307fe1a9ece026b289425ac54fce91c
