[INFO] cloning repository https://github.com/mystor/slag
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mystor/slag" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystor%2Fslag", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystor%2Fslag'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 669de8b548b77c1204d96a574420770c93f0f0aa
[INFO] documenting mystor/slag against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmystor%2Fslag" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mystor/slag on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mystor/slag
[INFO] removed path dependency syntex_syntax from git repo https://github.com/mystor/slag
[INFO] finished tweaking git repo https://github.com/mystor/slag
[INFO] tweaked toml for git repo https://github.com/mystor/slag written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/mystor/slag already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (syntex_syntax) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (syntex_syntax) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0416085c71f6d23b9e6b06bcf2769c801d82a609da180f07160684c6333f10f8
[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" "0416085c71f6d23b9e6b06bcf2769c801d82a609da180f07160684c6333f10f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0416085c71f6d23b9e6b06bcf2769c801d82a609da180f07160684c6333f10f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0416085c71f6d23b9e6b06bcf2769c801d82a609da180f07160684c6333f10f8", kill_on_drop: false }`
[INFO] [stdout] 0416085c71f6d23b9e6b06bcf2769c801d82a609da180f07160684c6333f10f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5aefb9d85de5850e9afa9bc98bc6c353dc8544a65bfbdb8018b71b2b1a7424fc
[INFO] running `Command { std: "docker" "start" "-a" "5aefb9d85de5850e9afa9bc98bc6c353dc8544a65bfbdb8018b71b2b1a7424fc", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (syntex_syntax) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking term v0.4.6
[INFO] [stderr]     Checking strsim v0.5.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.20
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling extprim v1.7.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking docopt v0.6.86
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking syntex_pos v0.59.1
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking syntex_errors v0.59.1
[INFO] [stderr]     Checking syntex_syntax v0.59.1
[INFO] [stderr]  Documenting slag v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `syntex_syntax::ast::TokenTree`, `syntex_syntax::ast::TtToken`, `syntex_syntax::ast::TtDelimited`, `syntex_syntax::ast::TtSequence`
[INFO] [stdout]  --> src/main.rs:9:26
[INFO] [stdout]   |
[INFO] [stdout] 9 | use syntex_syntax::ast::{TokenTree, TtToken, TtDelimited, TtSequence};
[INFO] [stdout]   |                          ^^^^^^^^^  ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^ no `TtSequence` in `ast`
[INFO] [stdout]   |                          |          |        |
[INFO] [stdout]   |                          |          |        no `TtDelimited` in `ast`
[INFO] [stdout]   |                          |          no `TtToken` in `ast`
[INFO] [stdout]   |                          no `TokenTree` in `ast`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syntex_syntax::parse::token::IdentStyle`
[INFO] [stdout]   --> src/main.rs:10:54
[INFO] [stdout]    |
[INFO] [stdout] 10 | use syntex_syntax::parse::token::{Token, DelimToken, IdentStyle};
[INFO] [stdout]    |                                                      ^^^^^^^^^^ no `IdentStyle` in `parse::token`
[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 E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `slag`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name slag 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 docopt=/opt/rustwide/target/debug/deps/libdocopt-870cb0425ae38054.rmeta --extern syntex_syntax=/opt/rustwide/target/debug/deps/libsyntex_syntax-82ced15311aef451.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "5aefb9d85de5850e9afa9bc98bc6c353dc8544a65bfbdb8018b71b2b1a7424fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5aefb9d85de5850e9afa9bc98bc6c353dc8544a65bfbdb8018b71b2b1a7424fc", kill_on_drop: false }`
[INFO] [stdout] 5aefb9d85de5850e9afa9bc98bc6c353dc8544a65bfbdb8018b71b2b1a7424fc