[INFO] cloning repository https://github.com/ubsan/newt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ubsan/newt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubsan%2Fnewt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubsan%2Fnewt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a11c9db4200da624a563286ac8040a59ceffece
[INFO] documenting ubsan/newt 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%2Fubsan%2Fnewt" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubsan/newt 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/ubsan/newt
[INFO] finished tweaking git repo https://github.com/ubsan/newt
[INFO] tweaked toml for git repo https://github.com/ubsan/newt written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/ubsan/newt 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 66a3ffe43131149d46a7efbfc2480e036abe1706998b14acb03fc6f9013419cc
[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" "66a3ffe43131149d46a7efbfc2480e036abe1706998b14acb03fc6f9013419cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66a3ffe43131149d46a7efbfc2480e036abe1706998b14acb03fc6f9013419cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66a3ffe43131149d46a7efbfc2480e036abe1706998b14acb03fc6f9013419cc", kill_on_drop: false }`
[INFO] [stdout] 66a3ffe43131149d46a7efbfc2480e036abe1706998b14acb03fc6f9013419cc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 658418eda9fede8e6a8a2e939cc746a083ef45263d0e40501f8293b53c7691f8
[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" "658418eda9fede8e6a8a2e939cc746a083ef45263d0e40501f8293b53c7691f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking unicode-xid v0.1.0
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling memchr v2.0.2
[INFO] [stderr]    Compiling regex-syntax v0.6.2
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling aho-corasick v0.6.7
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling llvm-sys v70.0.0
[INFO] [stderr]  Documenting epsilon v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `,`, `.`, `?`, `}`, or an operator, found `=>`
[INFO] [stdout]   --> src/module.rs:60:11
[INFO] [stdout]    |
[INFO] [stdout] 59 |         "Int32" =>
[INFO] [stdout]    |                 -- while parsing the `match` arm starting here
[INFO] [stdout] 60 |         _ =>
[INFO] [stdout]    |           ^^ expected one of `,`, `.`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `UnsafeCell` in this scope
[INFO] [stdout]   --> src/module.rs:38:15
[INFO] [stdout]    |
[INFO] [stdout] 38 |   type_names: UnsafeCell<HashMap<Interned<'cx, NfcString>, Interned<'cx, Type<'cx>>>>,
[INFO] [stdout]    |               ^^^^^^^^^^ not found in this scope
[INFO] [stdout]    |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]    |
[INFO] [stdout] 3  | use core::cell::UnsafeCell;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use crate::parser::UnsafeCell;
[INFO] [stdout]    |
[INFO] [stdout] 3  | use std::cell::UnsafeCell;
[INFO] [stdout]    |
[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 E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not document `epsilon`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type bin --crate-name epsilon 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 lazy_static=/opt/rustwide/target/debug/deps/liblazy_static-bd0673a7eea5e4d7.rmeta --extern libc=/opt/rustwide/target/debug/deps/liblibc-c3354bbf45a86fae.rmeta --extern llvm_sys=/opt/rustwide/target/debug/deps/libllvm_sys-609d2ab33808ff21.rmeta --extern unicode_normalization=/opt/rustwide/target/debug/deps/libunicode_normalization-bf62b5d0d15f9930.rmeta --extern unicode_xid=/opt/rustwide/target/debug/deps/libunicode_xid-005cd0a0dc7528b5.rmeta --cap-lints=warn --crate-version 0.1.0` (exit status: 1)
[INFO] running `Command { std: "docker" "inspect" "658418eda9fede8e6a8a2e939cc746a083ef45263d0e40501f8293b53c7691f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "658418eda9fede8e6a8a2e939cc746a083ef45263d0e40501f8293b53c7691f8", kill_on_drop: false }`
[INFO] [stdout] 658418eda9fede8e6a8a2e939cc746a083ef45263d0e40501f8293b53c7691f8
