[INFO] cloning repository https://github.com/U007D/def_err
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/U007D/def_err" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FU007D%2Fdef_err", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FU007D%2Fdef_err'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca088afdfd2507f46713013a13aabc68a2df0b49
[INFO] documenting U007D/def_err 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%2FU007D%2Fdef_err" "/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/U007D/def_err 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/U007D/def_err
[INFO] finished tweaking git repo https://github.com/U007D/def_err
[INFO] tweaked toml for git repo https://github.com/U007D/def_err written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/U007D/def_err 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] 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] 9e09fdf609ee3f919a1378b58c35de8f15009f1c727edf65bf82a232dba71794
[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" "9e09fdf609ee3f919a1378b58c35de8f15009f1c727edf65bf82a232dba71794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e09fdf609ee3f919a1378b58c35de8f15009f1c727edf65bf82a232dba71794", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e09fdf609ee3f919a1378b58c35de8f15009f1c727edf65bf82a232dba71794", kill_on_drop: false }`
[INFO] [stdout] 9e09fdf609ee3f919a1378b58c35de8f15009f1c727edf65bf82a232dba71794
[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] [stdout] 60fee1a88b4b83469970ca1a6fcb9a0aa2f9874d06a1720481738e6c9334e96d
[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" "60fee1a88b4b83469970ca1a6fcb9a0aa2f9874d06a1720481738e6c9334e96d", kill_on_drop: false }`
[INFO] [stderr]  Documenting def_err v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: expected one of `.`, `;`, `?`, `}`, or an operator, found `,`
[INFO] [stdout]   --> src/main.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 |             $(parse_variant!($err_variants)),+;
[INFO] [stdout]    |                                             ^ expected one of `.`, `;`, `?`, `}`, or an operator
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] note: trace_macro
[INFO] [stdout]    --> src/main.rs:97:5
[INFO] [stdout]     |
[INFO] [stdout] 97  | /     def_err! {
[INFO] [stdout] 98  | |         SampleErr1,
[INFO] [stdout] 99  | |         SampleErr2(foo: u64, bar: f32),
[INFO] [stdout] 100 | |         SampleErr3("my message"),
[INFO] [stdout] ...   |
[INFO] [stdout] 105 | |         SampleErr8(),
[INFO] [stdout] 106 | |     };
[INFO] [stdout]     | |______^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expanding `def_err! { SampleErr1, SampleErr2(foo : u64, bar : f32), SampleErr3("my message"),
[INFO] [stdout]             SampleErr4(foo : u32, bar : f64 ; "another message: {}, {}", foo, bar),
[INFO] [stdout]             SampleErr5({ std :: fmt :: Error }),
[INFO] [stdout]             SampleErr6(foo : u8, bar : String ; { std :: fmt :: Error }),
[INFO] [stdout]             SampleErr7(baz : i64 ; { std :: fmt :: Error },
[INFO] [stdout]                        "and another message (baz: {})", baz), SampleErr8(), }`
[INFO] [stdout]     = note: to `def_err !
[INFO] [stdout]             (Error
[INFO] [stdout]              {
[INFO] [stdout]                  SampleErr1, SampleErr2(foo : u64, bar : f32), SampleErr3("my message"),
[INFO] [stdout]                  SampleErr4(foo : u32, bar : f64 ; "another message: {}, {}", foo, bar),
[INFO] [stdout]                  SampleErr5({ std :: fmt :: Error }),
[INFO] [stdout]                  SampleErr6(foo : u8, bar : String ; { std :: fmt :: Error }),
[INFO] [stdout]                  SampleErr7(baz : i64 ; { std :: fmt :: Error },
[INFO] [stdout]                             "and another message (baz: {})", baz), SampleErr8(),
[INFO] [stdout]              }) ;`
[INFO] [stdout]     = note: expanding `def_err! { Error
[INFO] [stdout]             {
[INFO] [stdout]                 SampleErr1, SampleErr2(foo : u64, bar : f32), SampleErr3("my message"),
[INFO] [stdout]                 SampleErr4(foo : u32, bar : f64 ; "another message: {}, {}", foo, bar),
[INFO] [stdout]                 SampleErr5({ std :: fmt :: Error }),
[INFO] [stdout]                 SampleErr6(foo : u8, bar : String ; { std :: fmt :: Error }),
[INFO] [stdout]                 SampleErr7(baz : i64 ; { std :: fmt :: Error },
[INFO] [stdout]                            "and another message (baz: {})", baz), SampleErr8(),
[INFO] [stdout]             } }`
[INFO] [stdout]     = note: to `parse_variant ! (SampleErr1), parse_variant ! (,), parse_variant !
[INFO] [stdout]             (SampleErr2), parse_variant ! ((foo : u64, bar : f32)), parse_variant ! (,),
[INFO] [stdout]             parse_variant ! (SampleErr3), parse_variant ! (("my message")), parse_variant
[INFO] [stdout]             ! (,), parse_variant ! (SampleErr4), parse_variant !
[INFO] [stdout]             ((foo : u32, bar : f64 ; "another message: {}, {}", foo, bar)), parse_variant
[INFO] [stdout]             ! (,), parse_variant ! (SampleErr5), parse_variant !
[INFO] [stdout]             (({ std :: fmt :: Error })), parse_variant ! (,), parse_variant !
[INFO] [stdout]             (SampleErr6), parse_variant !
[INFO] [stdout]             ((foo : u8, bar : String ; { std :: fmt :: Error })), parse_variant ! (,),
[INFO] [stdout]             parse_variant ! (SampleErr7), parse_variant !
[INFO] [stdout]             ((baz : i64 ; { std :: fmt :: Error }, "and another message (baz: {})", baz)),
[INFO] [stdout]             parse_variant ! (,), parse_variant ! (SampleErr8), parse_variant ! (()),
[INFO] [stdout]             parse_variant ! (,) ;`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(trace_macros)]
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `def_err`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name def_err 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 libc=/opt/rustwide/target/debug/deps/liblibc-2c5b35bb2d8a9f22.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "60fee1a88b4b83469970ca1a6fcb9a0aa2f9874d06a1720481738e6c9334e96d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60fee1a88b4b83469970ca1a6fcb9a0aa2f9874d06a1720481738e6c9334e96d", kill_on_drop: false }`
[INFO] [stdout] 60fee1a88b4b83469970ca1a6fcb9a0aa2f9874d06a1720481738e6c9334e96d