[INFO] fetching crate bosun_emitter 1.2.0...
[INFO] documenting bosun_emitter-1.2.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate bosun_emitter 1.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate bosun_emitter 1.2.0 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 bosun_emitter 1.2.0
[INFO] finished tweaking crates.io crate bosun_emitter 1.2.0
[INFO] tweaked toml for crates.io crate bosun_emitter 1.2.0 written to /workspace/builds/worker-1/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mktemp v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 112616619b1793927e22bba68692bab97f4ca16026f8d9f76a8c5297853d23ea
[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" "112616619b1793927e22bba68692bab97f4ca16026f8d9f76a8c5297853d23ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "112616619b1793927e22bba68692bab97f4ca16026f8d9f76a8c5297853d23ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "112616619b1793927e22bba68692bab97f4ca16026f8d9f76a8c5297853d23ea", kill_on_drop: false }`
[INFO] [stdout] 112616619b1793927e22bba68692bab97f4ca16026f8d9f76a8c5297853d23ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 60e8904250fa5a9580e4aecd5ad84d0455a3c6ab4960aebb944bb547f8e1608f
[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" "60e8904250fa5a9580e4aecd5ad84d0455a3c6ab4960aebb944bb547f8e1608f", kill_on_drop: false }`
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[INFO] [stderr]     Checking bosun_emitter v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting bosun_emitter v1.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:137:23
[INFO] [stdout]     |
[INFO] [stdout] 137 |         let encoded = try!(metadata.to_json());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:162:23
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let encoded = try!(datum.to_json());
[INFO] [stdout]     |                       ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:278:20
[INFO] [stdout]     |
[INFO] [stdout] 278 |         let json = try!(json::encode(&metadata));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:345:20
[INFO] [stdout]     |
[INFO] [stdout] 345 |         let json = try!(json::encode(self));
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:387:30
[INFO] [stdout]     |
[INFO] [stdout] 387 |                 let config = try!(BosunConfig::decode(&mut decoder));
[INFO] [stdout]     |                              ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:396:31
[INFO] [stdout]     |
[INFO] [stdout] 396 |         let mut config_file = try!(File::open(file_path));
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:398:9
[INFO] [stdout]     |
[INFO] [stdout] 398 |         try!(config_file.read_to_string(&mut config_content));
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:383:85
[INFO] [stdout]     |
[INFO] [stdout] 383 |     pub fn load_from_scollector_config(file_path: &Path) -> Result<BosunConfig, Box<std::error::Error>> {
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:395:63
[INFO] [stdout]     |
[INFO] [stdout] 395 |     fn load_toml(file_path: &Path) -> Result<toml::Value, Box<std::error::Error>> {
[INFO] [stdout]     |                                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "60e8904250fa5a9580e4aecd5ad84d0455a3c6ab4960aebb944bb547f8e1608f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60e8904250fa5a9580e4aecd5ad84d0455a3c6ab4960aebb944bb547f8e1608f", kill_on_drop: false }`
[INFO] [stdout] 60e8904250fa5a9580e4aecd5ad84d0455a3c6ab4960aebb944bb547f8e1608f