[INFO] cloning repository https://github.com/das3in/rust-pomodoro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/das3in/rust-pomodoro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas3in%2Frust-pomodoro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdas3in%2Frust-pomodoro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c01e7e24c80acf45ea7d99eec5fef9f1dfa7d12
[INFO] documenting das3in/rust-pomodoro 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%2Fdas3in%2Frust-pomodoro" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] [stderr] Checking out files:  63% (90/142)   
Checking out files:  64% (91/142)   
Checking out files:  65% (93/142)   
Checking out files:  66% (94/142)   
Checking out files:  67% (96/142)   
Checking out files:  68% (97/142)   
Checking out files:  69% (98/142)   
Checking out files:  70% (100/142)   
Checking out files:  71% (101/142)   
Checking out files:  72% (103/142)   
Checking out files:  73% (104/142)   
Checking out files:  74% (106/142)   
Checking out files:  75% (107/142)   
Checking out files:  76% (108/142)   
Checking out files:  77% (110/142)   
Checking out files:  78% (111/142)   
Checking out files:  79% (113/142)   
Checking out files:  80% (114/142)   
Checking out files:  81% (116/142)   
Checking out files:  82% (117/142)   
Checking out files:  83% (118/142)   
Checking out files:  84% (120/142)   
Checking out files:  85% (121/142)   
Checking out files:  86% (123/142)   
Checking out files:  87% (124/142)   
Checking out files:  88% (125/142)   
Checking out files:  89% (127/142)   
Checking out files:  90% (128/142)   
Checking out files:  91% (130/142)   
Checking out files:  92% (131/142)   
Checking out files:  93% (133/142)   
Checking out files:  94% (134/142)   
Checking out files:  95% (135/142)   
Checking out files:  96% (137/142)   
Checking out files:  97% (138/142)   
Checking out files:  98% (140/142)   
Checking out files:  99% (141/142)   
Checking out files: 100% (142/142)   
Checking out files: 100% (142/142), done.
[INFO] validating manifest of git repo https://github.com/das3in/rust-pomodoro 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/das3in/rust-pomodoro
[INFO] finished tweaking git repo https://github.com/das3in/rust-pomodoro
[INFO] tweaked toml for git repo https://github.com/das3in/rust-pomodoro written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/das3in/rust-pomodoro 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]  Downloading crates ...
[INFO] [stderr]   Downloaded chan v0.1.19
[INFO] [stderr]   Downloaded winapi v0.3.2
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.3.1
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.3.1
[INFO] [stderr]   Downloaded atty v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] cba85023478b451e56837f98742c95acc67774bdb5ec2a23e6ddaef24b4970da
[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" "cba85023478b451e56837f98742c95acc67774bdb5ec2a23e6ddaef24b4970da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cba85023478b451e56837f98742c95acc67774bdb5ec2a23e6ddaef24b4970da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cba85023478b451e56837f98742c95acc67774bdb5ec2a23e6ddaef24b4970da", kill_on_drop: false }`
[INFO] [stdout] cba85023478b451e56837f98742c95acc67774bdb5ec2a23e6ddaef24b4970da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 7340f840251ec251c6c5d83b1d614b90404a3a919e0eb7759cf2136e17c704d4
[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" "7340f840251ec251c6c5d83b1d614b90404a3a919e0eb7759cf2136e17c704d4", kill_on_drop: false }`
[INFO] [stderr]     Checking chan v0.1.19
[INFO] [stderr]  Documenting tester v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "7340f840251ec251c6c5d83b1d614b90404a3a919e0eb7759cf2136e17c704d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7340f840251ec251c6c5d83b1d614b90404a3a919e0eb7759cf2136e17c704d4", kill_on_drop: false }`
[INFO] [stdout] 7340f840251ec251c6c5d83b1d614b90404a3a919e0eb7759cf2136e17c704d4