[INFO] cloning repository https://github.com/shrink0r/picserv
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shrink0r/picserv" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrink0r%2Fpicserv", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshrink0r%2Fpicserv'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 288bfd6fc52503c723a310bd9ce9d5b2c514a34e
[INFO] documenting shrink0r/picserv 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%2Fshrink0r%2Fpicserv" "/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/shrink0r/picserv 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/shrink0r/picserv
[INFO] finished tweaking git repo https://github.com/shrink0r/picserv
[INFO] tweaked toml for git repo https://github.com/shrink0r/picserv written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/shrink0r/picserv 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] error: the lock file /workspace/builds/worker-9/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[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] 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" "+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] 9a8fc82d068a904f018bd74030c29808dcfb4fc0f5df29da86a5efa4789f5249
[INFO] running `Command { std: "docker" "start" "-a" "9a8fc82d068a904f018bd74030c29808dcfb4fc0f5df29da86a5efa4789f5249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a8fc82d068a904f018bd74030c29808dcfb4fc0f5df29da86a5efa4789f5249", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a8fc82d068a904f018bd74030c29808dcfb4fc0f5df29da86a5efa4789f5249", kill_on_drop: false }`
[INFO] [stdout] 9a8fc82d068a904f018bd74030c29808dcfb4fc0f5df29da86a5efa4789f5249
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1594679569058f00d6fd340c3f0de5032c1376acf39a89379d436d30006539c
[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" "b1594679569058f00d6fd340c3f0de5032c1376acf39a89379d436d30006539c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking route-recognizer v0.1.13
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.15
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking iron v0.6.1
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking persistent v0.4.0
[INFO] [stderr]     Checking router v0.6.0
[INFO] [stderr]     Checking bodyparser v0.8.0
[INFO] [stderr]     Checking urlencoded v0.6.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]  Documenting picserv v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `hyper::header::Connection`
[INFO] [stdout]  --> src/retrieve/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use hyper::header::Connection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^ no `Connection` in `header`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `picserv`.
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] Caused by:
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type bin --crate-name picserv 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 hyper=/opt/rustwide/target/debug/deps/libhyper-6f926277d055b480.rmeta --extern iron=/opt/rustwide/target/debug/deps/libiron-6bdaae89ab904e56.rmeta --extern router=/opt/rustwide/target/debug/deps/librouter-cb308d8b666e9ef5.rmeta --extern crypto=/opt/rustwide/target/debug/deps/libcrypto-3dca84d7ed372bb7.rmeta --extern url=/opt/rustwide/target/debug/deps/liburl-ead0c533f54ff04b.rmeta --extern urlencoded=/opt/rustwide/target/debug/deps/liburlencoded-b4339bbd92846525.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "b1594679569058f00d6fd340c3f0de5032c1376acf39a89379d436d30006539c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1594679569058f00d6fd340c3f0de5032c1376acf39a89379d436d30006539c", kill_on_drop: false }`
[INFO] [stdout] b1594679569058f00d6fd340c3f0de5032c1376acf39a89379d436d30006539c