[INFO] cloning repository https://github.com/ievaskrabutena/rustycable
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ievaskrabutena/rustycable" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fievaskrabutena%2Frustycable", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fievaskrabutena%2Frustycable'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e7e7deb086f605005801284f0643b76939dcdbb5
[INFO] documenting ievaskrabutena/rustycable 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%2Fievaskrabutena%2Frustycable" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ievaskrabutena/rustycable 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/ievaskrabutena/rustycable
[INFO] finished tweaking git repo https://github.com/ievaskrabutena/rustycable
[INFO] tweaked toml for git repo https://github.com/ievaskrabutena/rustycable written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/ievaskrabutena/rustycable 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kv-log-macro v1.0.5
[INFO] [stderr]   Downloaded tonic v0.2.0
[INFO] [stderr]   Downloaded combine v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2f9ec72df2008637aa309a8447b2541f43ac40fe883f4d501b7fcccd743c508a
[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" "2f9ec72df2008637aa309a8447b2541f43ac40fe883f4d501b7fcccd743c508a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f9ec72df2008637aa309a8447b2541f43ac40fe883f4d501b7fcccd743c508a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f9ec72df2008637aa309a8447b2541f43ac40fe883f4d501b7fcccd743c508a", kill_on_drop: false }`
[INFO] [stdout] 2f9ec72df2008637aa309a8447b2541f43ac40fe883f4d501b7fcccd743c508a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 61e2fc5e94e7c970bbc154e91035b42b52e7c9d96c1d0553aed11a360d7d64ff
[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" "61e2fc5e94e7c970bbc154e91035b42b52e7c9d96c1d0553aed11a360d7d64ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking arc-swap v0.4.5
[INFO] [stderr]     Checking once_cell v1.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking tower-layer v0.3.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling either v1.5.3
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking tracing-core v0.1.10
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]    Compiling itertools v0.8.2
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking kv-log-macro v1.0.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking async-std v1.5.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.7
[INFO] [stderr]    Compiling async-stream-impl v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling async-trait v0.1.31
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking tokio v0.2.18
[INFO] [stderr]     Checking async-stream v0.2.1
[INFO] [stderr]     Checking tracing v0.1.13
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tower-discover v0.3.0
[INFO] [stderr]     Checking tower-load-shed v0.3.0
[INFO] [stderr]     Checking tracing-futures v0.2.3
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking tower-load v0.3.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tower-make v0.3.0
[INFO] [stderr]     Checking tower-buffer v0.3.0
[INFO] [stderr]     Checking tower-timeout v0.3.0
[INFO] [stderr]     Checking tower-retry v0.3.0
[INFO] [stderr]     Checking tower-limit v0.3.1
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking tower-util v0.3.1
[INFO] [stderr]     Checking tower-ready-cache v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking combine v4.1.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tower-balance v0.3.0
[INFO] [stderr]     Checking tower v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.10.1
[INFO] [stderr]     Checking hyper v0.13.4
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking tonic v0.2.0
[INFO] [stderr]     Checking redis v0.16.0
[INFO] [stderr]  Documenting rustycable v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `Command { std: "docker" "inspect" "61e2fc5e94e7c970bbc154e91035b42b52e7c9d96c1d0553aed11a360d7d64ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61e2fc5e94e7c970bbc154e91035b42b52e7c9d96c1d0553aed11a360d7d64ff", kill_on_drop: false }`
[INFO] [stdout] 61e2fc5e94e7c970bbc154e91035b42b52e7c9d96c1d0553aed11a360d7d64ff