[INFO] cloning repository https://github.com/jjhbw/background-modelling
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jjhbw/background-modelling" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjhbw%2Fbackground-modelling", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjhbw%2Fbackground-modelling'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3f32f3e9eb4b5c2da9edee60ece687ef19141a7c
[INFO] documenting jjhbw/background-modelling against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjjhbw%2Fbackground-modelling" "/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/jjhbw/background-modelling on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jjhbw/background-modelling
[INFO] finished tweaking git repo https://github.com/jjhbw/background-modelling
[INFO] tweaked toml for git repo https://github.com/jjhbw/background-modelling written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/jjhbw/background-modelling already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "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-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2541ba635c247446c17ed1ca9084f4251c6b8d480a148d9e4ca9e9b45e5fcc52
[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" "2541ba635c247446c17ed1ca9084f4251c6b8d480a148d9e4ca9e9b45e5fcc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2541ba635c247446c17ed1ca9084f4251c6b8d480a148d9e4ca9e9b45e5fcc52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2541ba635c247446c17ed1ca9084f4251c6b8d480a148d9e4ca9e9b45e5fcc52", kill_on_drop: false }`
[INFO] [stdout] 2541ba635c247446c17ed1ca9084f4251c6b8d480a148d9e4ca9e9b45e5fcc52
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e646bfd8480ac2b2a381df67569f4024e4a86b69a08d4b4f8a77d8fbd78c210e
[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" "e646bfd8480ac2b2a381df67569f4024e4a86b69a08d4b4f8a77d8fbd78c210e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling num-bigint v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling num-derive v0.2.4
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking libm v0.1.2
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking matrixmultiply v0.2.2
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking alga v0.9.0
[INFO] [stderr]     Checking rusttype v0.7.6
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking png v0.14.0
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking nalgebra v0.18.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking imageproc v0.18.0
[INFO] [stderr]     Checking traffic_counter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting traffic_counter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "e646bfd8480ac2b2a381df67569f4024e4a86b69a08d4b4f8a77d8fbd78c210e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e646bfd8480ac2b2a381df67569f4024e4a86b69a08d4b4f8a77d8fbd78c210e", kill_on_drop: false }`
[INFO] [stdout] e646bfd8480ac2b2a381df67569f4024e4a86b69a08d4b4f8a77d8fbd78c210e