[INFO] cloning repository https://github.com/benjigoldberg/fireplace-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/benjigoldberg/fireplace-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjigoldberg%2Ffireplace-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjigoldberg%2Ffireplace-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 313b9a66ba701b985a0ea7067c853c982810d49a
[INFO] documenting benjigoldberg/fireplace-rs against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbenjigoldberg%2Ffireplace-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/benjigoldberg/fireplace-rs 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 git repo https://github.com/benjigoldberg/fireplace-rs
[INFO] finished tweaking git repo https://github.com/benjigoldberg/fireplace-rs
[INFO] tweaked toml for git repo https://github.com/benjigoldberg/fireplace-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/benjigoldberg/fireplace-rs already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 8f25fd6f9d0064461855c22dc7cad92461e1639a6d43632d7dafad666767fa47
[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" "8f25fd6f9d0064461855c22dc7cad92461e1639a6d43632d7dafad666767fa47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f25fd6f9d0064461855c22dc7cad92461e1639a6d43632d7dafad666767fa47", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f25fd6f9d0064461855c22dc7cad92461e1639a6d43632d7dafad666767fa47", kill_on_drop: false }`
[INFO] [stdout] 8f25fd6f9d0064461855c22dc7cad92461e1639a6d43632d7dafad666767fa47
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c82cce9ed95b74c2d0f59911be697234376683ab04d7eeb35ef85e65fa4e583c
[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" "c82cce9ed95b74c2d0f59911be697234376683ab04d7eeb35ef85e65fa4e583c", kill_on_drop: false }`
[INFO] [stderr] warning: output filename collision.
[INFO] [stderr] The bin target `fireplace-rs` in package `fireplace_rs v0.1.0 (/opt/rustwide/workdir)` has the same output filename as the lib target `fireplace_rs` in package `fireplace_rs v0.1.0 (/opt/rustwide/workdir)`.
[INFO] [stderr] Colliding filename is: /opt/rustwide/target/doc/fireplace_rs/index.html
[INFO] [stderr] The output filenames should be unique.
[INFO] [stderr] This is a known bug where multiple crates with the same name use
[INFO] [stderr] the same path; see <https://github.com/rust-lang/cargo/issues/6313>.
[INFO] [stderr] If this looks unexpected, it may be a bug in Cargo. Please file a bug report at
[INFO] [stderr] https://github.com/rust-lang/cargo/issues/ with as much information as you
[INFO] [stderr] can provide.
[INFO] [stderr] cargo 1.47.0-beta (51b66125b 2020-08-19) running on `x86_64-unknown-linux-gnu` target `x86_64-unknown-linux-gnu`
[INFO] [stderr] First unit: Unit { pkg: Package { id: PackageId { name: "fireplace_rs", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { name: "fireplace-rs", doc: true, ..: with_path("/opt/rustwide/workdir/src/bin/main.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr] Second unit: Unit { pkg: Package { id: PackageId { name: "fireplace_rs", version: "0.1.0", source: "/opt/rustwide/workdir" }, ..: ".." }, target: TargetInner { ..: lib_target("fireplace_rs", ["lib"], "/opt/rustwide/workdir/src/lib.rs", Edition2018) }, profile: Profile { name: "doc", debuginfo: Some(2), debug_assertions: true, overflow_checks: true, ..: default() }, kind: Host, mode: Doc { deps: false }, features: [] }
[INFO] [stderr]     Checking hostname v0.3.1
[INFO] [stderr]     Checking listenfd v0.3.3
[INFO] [stderr]     Checking brotli-sys v0.3.2
[INFO] [stderr]     Checking threadpool v1.8.0
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.14
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling derive_more v0.99.5
[INFO] [stderr]    Compiling actix-macros v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling async-trait v0.1.30
[INFO] [stderr]    Compiling enum-as-inner v0.3.2
[INFO] [stderr]    Compiling v_escape_derive v0.5.6
[INFO] [stderr]    Compiling actix-web-codegen v0.2.1
[INFO] [stderr]     Checking sysfs_gpio v0.5.4
[INFO] [stderr]     Checking resolv-conf v0.6.3
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking v_escape v0.7.4
[INFO] [stderr]     Checking v_htmlescape v0.4.5
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.14
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking actix-codec v0.2.0
[INFO] [stderr]     Checking actix-threadpool v0.3.1
[INFO] [stderr]     Checking serde v1.0.110
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking actix-service v1.0.5
[INFO] [stderr]     Checking actix-rt v1.1.1
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking trust-dns-proto v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-utils v1.0.6
[INFO] [stderr]     Checking actix-server v1.0.2
[INFO] [stderr]     Checking actix-tls v1.0.0
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking actix-router v0.2.4
[INFO] [stderr]     Checking actix-testing v1.0.0
[INFO] [stderr]     Checking trust-dns-resolver v0.18.0-alpha.2
[INFO] [stderr]     Checking actix-connect v1.0.2
[INFO] [stderr]     Checking actix-http v1.0.1
[INFO] [stderr]     Checking awc v1.0.1
[INFO] [stderr]     Checking actix-web v2.0.0
[INFO] [stderr]     Checking actix-files v0.2.1
[INFO] [stderr]     Checking fireplace_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting fireplace_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "c82cce9ed95b74c2d0f59911be697234376683ab04d7eeb35ef85e65fa4e583c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c82cce9ed95b74c2d0f59911be697234376683ab04d7eeb35ef85e65fa4e583c", kill_on_drop: false }`
[INFO] [stdout] c82cce9ed95b74c2d0f59911be697234376683ab04d7eeb35ef85e65fa4e583c