[INFO] cloning repository https://github.com/SixArm/sixarm_rust_actix_echo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SixArm/sixarm_rust_actix_echo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixArm%2Fsixarm_rust_actix_echo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSixArm%2Fsixarm_rust_actix_echo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7279512d712294019e11deb052ad8eeba9b1a368
[INFO] documenting SixArm/sixarm_rust_actix_echo 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%2FSixArm%2Fsixarm_rust_actix_echo" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SixArm/sixarm_rust_actix_echo 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/SixArm/sixarm_rust_actix_echo
[INFO] finished tweaking git repo https://github.com/SixArm/sixarm_rust_actix_echo
[INFO] tweaked toml for git repo https://github.com/SixArm/sixarm_rust_actix_echo written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SixArm/sixarm_rust_actix_echo 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] cf5461f4903882b19f5ec90acc135e6e0361f00062ab2ee1960c729a93535a69
[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" "cf5461f4903882b19f5ec90acc135e6e0361f00062ab2ee1960c729a93535a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf5461f4903882b19f5ec90acc135e6e0361f00062ab2ee1960c729a93535a69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf5461f4903882b19f5ec90acc135e6e0361f00062ab2ee1960c729a93535a69", kill_on_drop: false }`
[INFO] [stdout] cf5461f4903882b19f5ec90acc135e6e0361f00062ab2ee1960c729a93535a69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] e7f0b4e59d1a74121f17b95a9497a854dc7084c68131de69d4ea34b6a9442ea0
[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" "e7f0b4e59d1a74121f17b95a9497a854dc7084c68131de69d4ea34b6a9442ea0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.83
[INFO] [stderr]     Checking arc-swap v0.3.7
[INFO] [stderr]     Checking string v0.1.2
[INFO] [stderr]     Checking askama_escape v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling actix-web v0.7.17
[INFO] [stderr]     Checking base64 v0.10.0
[INFO] [stderr]     Checking tower-service v0.1.0
[INFO] [stderr]    Compiling ring v0.13.5
[INFO] [stderr]     Checking smallvec v0.6.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.4
[INFO] [stderr]     Checking socket2 v0.3.8
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking backtrace-sys v0.1.28
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking uuid v0.7.1
[INFO] [stderr]     Checking bytes v0.4.11
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking mime v0.3.12
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking backtrace v0.3.13
[INFO] [stderr]     Checking signal-hook v0.1.7
[INFO] [stderr]    Compiling phf_generator v0.7.23
[INFO] [stderr]     Checking crossbeam-epoch v0.7.0
[INFO] [stderr]     Checking tokio-timer v0.2.8
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.14
[INFO] [stderr]    Compiling mime_guess v2.0.0-alpha.6
[INFO] [stderr]     Checking tokio-threadpool v0.1.9
[INFO] [stderr]     Checking parking_lot v0.7.0
[INFO] [stderr]     Checking flate2 v1.0.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-channel v0.3.4
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking cookie v0.11.0
[INFO] [stderr]     Checking h2 v0.1.14
[INFO] [stderr]     Checking failure v0.1.3
[INFO] [stderr]     Checking trust-dns-proto v0.6.1
[INFO] [stderr]     Checking trust-dns-proto v0.5.0
[INFO] [stderr]     Checking trust-dns-resolver v0.10.2
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde_urlencoded v0.5.4
[INFO] [stderr]     Checking brotli2 v0.3.2
[INFO] [stderr]     Checking actix v0.7.9
[INFO] [stderr]     Checking actix-net v0.2.6
[INFO] [stderr]  Documenting sixarm_rust_actix_echo v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0425]: cannot find value `s` in this scope
[INFO] [stdout]  --> src/main.rs:5:20
[INFO] [stdout]   |
[INFO] [stdout] 5 |     format!("{} ", s)
[INFO] [stdout]   |                    ^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `sixarm_rust_actix_echo`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name sixarm_rust_actix_echo 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 actix_web=/opt/rustwide/target/debug/deps/libactix_web-f596b98d8427b011.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "e7f0b4e59d1a74121f17b95a9497a854dc7084c68131de69d4ea34b6a9442ea0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7f0b4e59d1a74121f17b95a9497a854dc7084c68131de69d4ea34b6a9442ea0", kill_on_drop: false }`
[INFO] [stdout] e7f0b4e59d1a74121f17b95a9497a854dc7084c68131de69d4ea34b6a9442ea0