[INFO] cloning repository https://github.com/sphela/sphela
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sphela/sphela" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphela%2Fsphela", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsphela%2Fsphela'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a695119b8bc0b08e67888923828a1372d2ed4883
[INFO] documenting sphela/sphela 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%2Fsphela%2Fsphela" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sphela/sphela 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/sphela/sphela
[INFO] finished tweaking git repo https://github.com/sphela/sphela
[INFO] tweaked toml for git repo https://github.com/sphela/sphela written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/sphela/sphela 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-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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 40b0ca48f2653661b6a56f97738e605e490920f472741d1b01a999b94c4e5731
[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" "40b0ca48f2653661b6a56f97738e605e490920f472741d1b01a999b94c4e5731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "40b0ca48f2653661b6a56f97738e605e490920f472741d1b01a999b94c4e5731", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40b0ca48f2653661b6a56f97738e605e490920f472741d1b01a999b94c4e5731", kill_on_drop: false }`
[INFO] [stdout] 40b0ca48f2653661b6a56f97738e605e490920f472741d1b01a999b94c4e5731
[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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 768ed8ed254960e8e92b52269b141d842b2f801520868cc01aed1203aa3bd9a3
[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" "768ed8ed254960e8e92b52269b141d842b2f801520868cc01aed1203aa3bd9a3", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]     Checking ucd-util v0.1.2
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-io v0.1.10
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-threadpool v0.1.8
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.3
[INFO] [stderr]     Checking tokio-fs v0.1.4
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking hyper v0.12.14
[INFO] [stderr]  Documenting sphela v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: couldn't read src/lib.rs: No such file or directory (os error 2)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `sphela`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name sphela 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 clap=/opt/rustwide/target/debug/deps/libclap-2d31a6be41ce0dd3.rmeta --extern futures=/opt/rustwide/target/debug/deps/libfutures-59ccd87bc3e8590d.rmeta --extern hyper=/opt/rustwide/target/debug/deps/libhyper-bbf2729128e3fac8.rmeta --extern pretty_env_logger=/opt/rustwide/target/debug/deps/libpretty_env_logger-6864a828dbffb4f4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-ae9757fb3383e0dc.rmeta --extern serde_derive=/opt/rustwide/target/debug/deps/libserde_derive-b366791f9bf9c138.so --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-53f2900ae84f3c78.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-a5946d2ab63ef6ef.rmeta --extern toml=/opt/rustwide/target/debug/deps/libtoml-8491e9953c607de9.rmeta --cap-lints=warn` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "768ed8ed254960e8e92b52269b141d842b2f801520868cc01aed1203aa3bd9a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768ed8ed254960e8e92b52269b141d842b2f801520868cc01aed1203aa3bd9a3", kill_on_drop: false }`
[INFO] [stdout] 768ed8ed254960e8e92b52269b141d842b2f801520868cc01aed1203aa3bd9a3