[INFO] fetching crate macaroon 0.1.1...
[INFO] documenting macaroon-0.1.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate macaroon 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate macaroon 0.1.1 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 macaroon 0.1.1
[INFO] finished tweaking crates.io crate macaroon 0.1.1
[INFO] tweaked toml for crates.io crate macaroon 0.1.1 written to /workspace/builds/worker-10/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libsodium-sys v0.0.13
[INFO] [stderr]   Downloaded sodiumoxide v0.0.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 40c36d874909bda5cb30ca79e733ec7d2ddce3a62b1a680c5724ce0c2de2bbe3
[INFO] running `Command { std: "docker" "start" "-a" "40c36d874909bda5cb30ca79e733ec7d2ddce3a62b1a680c5724ce0c2de2bbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40c36d874909bda5cb30ca79e733ec7d2ddce3a62b1a680c5724ce0c2de2bbe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40c36d874909bda5cb30ca79e733ec7d2ddce3a62b1a680c5724ce0c2de2bbe3", kill_on_drop: false }`
[INFO] [stdout] 40c36d874909bda5cb30ca79e733ec7d2ddce3a62b1a680c5724ce0c2de2bbe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] a3f70a75ecc3326d96b2d290082499b320832ab710be84234f92f77d06a391d9
[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" "a3f70a75ecc3326d96b2d290082499b320832ab710be84234f92f77d06a391d9", kill_on_drop: false }`
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling libsodium-sys v0.0.13
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking sodiumoxide v0.0.13
[INFO] [stderr]  Documenting macaroon v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0437]: type `Err` is not a member of trait `TryFrom`
[INFO] [stdout]   --> src/serialization/v2j.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     type Err = MacaroonError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0437]: type `Err` is not a member of trait `TryFrom`
[INFO] [stdout]   --> src/serialization/v2j.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 79 |     type Err = MacaroonError;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^ not a member of trait `TryFrom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> src/lib.rs:96:1
[INFO] [stdout]    |
[INFO] [stdout] 96 | #![feature(proc_macro)]
[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:97:1
[INFO] [stdout]    |
[INFO] [stdout] 97 | #![feature(try_from)]
[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:98:1
[INFO] [stdout]    |
[INFO] [stdout] 98 | #![feature(box_syntax, box_patterns)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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] [stdout] Some errors have detailed explanations: E0437, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0437`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `macaroon`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name macaroon 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 log=/opt/rustwide/target/debug/deps/liblog-39376325fae1b39f.rmeta --extern rustc_serialize=/opt/rustwide/target/debug/deps/librustc_serialize-eddfb9427ca0b1f2.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-f09f5fd56fb361e9.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-e030247b9f2c516e.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-adb7a7376f8a14e5.rmeta --extern sodiumoxide=/opt/rustwide/target/debug/deps/libsodiumoxide-fc209df7e4a5f56f.rmeta --cap-lints=warn --crate-version 0.1.1` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "a3f70a75ecc3326d96b2d290082499b320832ab710be84234f92f77d06a391d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3f70a75ecc3326d96b2d290082499b320832ab710be84234f92f77d06a391d9", kill_on_drop: false }`
[INFO] [stdout] a3f70a75ecc3326d96b2d290082499b320832ab710be84234f92f77d06a391d9