[INFO] fetching crate taml 0.0.1...
[INFO] documenting taml-0.0.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate taml 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate taml 0.0.1 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate taml 0.0.1
[INFO] finished tweaking crates.io crate taml 0.0.1
[INFO] tweaked toml for crates.io crate taml 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 19fc52ef1c00f1480d02d9805f67c697fbb72e72dde9d0fca2d94ee4cd0a2819
[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" "19fc52ef1c00f1480d02d9805f67c697fbb72e72dde9d0fca2d94ee4cd0a2819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19fc52ef1c00f1480d02d9805f67c697fbb72e72dde9d0fca2d94ee4cd0a2819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19fc52ef1c00f1480d02d9805f67c697fbb72e72dde9d0fca2d94ee4cd0a2819", kill_on_drop: false }`
[INFO] [stdout] 19fc52ef1c00f1480d02d9805f67c697fbb72e72dde9d0fca2d94ee4cd0a2819
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63b0fceb108bffef0865f023cbde42caa9cbc7dfc2d84b5a63ebf66aa9b9cd4b
[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" "63b0fceb108bffef0865f023cbde42caa9cbc7dfc2d84b5a63ebf66aa9b9cd4b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking gnaw v0.0.1
[INFO] [stderr]     Checking cervine v0.0.2
[INFO] [stderr]     Checking enum_properties v0.2.1
[INFO] [stderr]     Checking debugless-unwrap v0.0.1
[INFO] [stderr]     Checking smartstring v0.2.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]     Checking lazy-transform-str v0.0.1
[INFO] [stderr]    Compiling try_match_inner v0.2.0
[INFO] [stderr]     Checking try_match v0.2.2
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]  Documenting taml v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected `,`
[INFO] [stdout]    --> src/parsing.rs:541:12
[INFO] [stdout]     |
[INFO] [stdout] 541 |                       Token {
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 542 | |                         span: _1,
[INFO] [stdout] 543 | |                         token: lexerToken::Identifier(_0),
[INFO] [stdout] 544 | |                     } = iter.next().unwrap()
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]    --> src/parsing.rs:589:14
[INFO] [stdout]     |
[INFO] [stdout] 589 |                               Token {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 590 | |                                 span: _1,
[INFO] [stdout] 591 | |                                 token: lexerToken::Identifier(_0),
[INFO] [stdout] 592 | |                             } = iter.next().unwrap()
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]    --> src/parsing.rs:802:12
[INFO] [stdout]     |
[INFO] [stdout] 802 |                       Token {
[INFO] [stdout]     |  ___________________________^
[INFO] [stdout] 803 | |                         span: _1,
[INFO] [stdout] 804 | |                         token: lexerToken::Identifier(_0),
[INFO] [stdout] 805 | |                     } = iter.next().unwrap()
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]    --> src/parsing.rs:857:14
[INFO] [stdout]     |
[INFO] [stdout] 857 |                               Token {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout] 858 | |                                 span: _1,
[INFO] [stdout] 859 | |                                 token: lexerToken::Identifier(_0),
[INFO] [stdout] 860 | |                             } = iter.next().unwrap()
[INFO] [stdout]     | |_____________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `,`
[INFO] [stdout]     --> src/parsing.rs:1102:11
[INFO] [stdout]      |
[INFO] [stdout] 1102 |                   Token {
[INFO] [stdout]      |  _______________________^
[INFO] [stdout] 1103 | |                     token: lexerToken::Identifier(_0),
[INFO] [stdout] 1104 | |                     span: _1,
[INFO] [stdout] 1105 | |                 } = iter.next().unwrap()
[INFO] [stdout]      | |_________________^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `taml`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --edition=2018 --crate-type lib --crate-name taml 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 cervine=/opt/rustwide/target/debug/deps/libcervine-c35c3dbaa8c26b60.rmeta --extern debugless_unwrap=/opt/rustwide/target/debug/deps/libdebugless_unwrap-7081ad468a68667c.rmeta --extern enum_properties=/opt/rustwide/target/debug/deps/libenum_properties-347ec89bc9f0c788.rmeta --extern gnaw=/opt/rustwide/target/debug/deps/libgnaw-49f026a5df92d942.rmeta --extern indexmap=/opt/rustwide/target/debug/deps/libindexmap-1a7a9a0db5c92fc6.rmeta --extern lazy_transform_str=/opt/rustwide/target/debug/deps/liblazy_transform_str-d82ae679d19944f6.rmeta --extern logos=/opt/rustwide/target/debug/deps/liblogos-8e0476738ac5c301.rmeta --extern smartstring=/opt/rustwide/target/debug/deps/libsmartstring-b327ba525d653591.rmeta --extern try_match=/opt/rustwide/target/debug/deps/libtry_match-714f930a3a2e8dea.rmeta --cap-lints=warn --crate-version 0.0.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "63b0fceb108bffef0865f023cbde42caa9cbc7dfc2d84b5a63ebf66aa9b9cd4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63b0fceb108bffef0865f023cbde42caa9cbc7dfc2d84b5a63ebf66aa9b9cd4b", kill_on_drop: false }`
[INFO] [stdout] 63b0fceb108bffef0865f023cbde42caa9cbc7dfc2d84b5a63ebf66aa9b9cd4b