[INFO] cloning repository https://github.com/derekdreery/cargo-docserve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/derekdreery/cargo-docserve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekdreery%2Fcargo-docserve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekdreery%2Fcargo-docserve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 88ba5671da282e77b2300e15edfda61d33e461af
[INFO] checking derekdreery/cargo-docserve against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fderekdreery%2Fcargo-docserve" "/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/derekdreery/cargo-docserve on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/derekdreery/cargo-docserve
[INFO] finished tweaking git repo https://github.com/derekdreery/cargo-docserve
[INFO] tweaked toml for git repo https://github.com/derekdreery/cargo-docserve written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/derekdreery/cargo-docserve already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "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] ec5171deab981df097607bcd5cb8c77cfbd723088181a4e024ee198d1c3129c6
[INFO] running `Command { std: "docker" "start" "-a" "ec5171deab981df097607bcd5cb8c77cfbd723088181a4e024ee198d1c3129c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec5171deab981df097607bcd5cb8c77cfbd723088181a4e024ee198d1c3129c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec5171deab981df097607bcd5cb8c77cfbd723088181a4e024ee198d1c3129c6", kill_on_drop: false }`
[INFO] [stdout] ec5171deab981df097607bcd5cb8c77cfbd723088181a4e024ee198d1c3129c6
[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" "RUSTFLAGS=--cap-lints=forbid" "-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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f76f447dce881d58a747b4ac95903917222edac30bfffcd534c12509b412b5ca
[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" "f76f447dce881d58a747b4ac95903917222edac30bfffcd534c12509b412b5ca", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking ucd-util v0.1.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.1
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking termcolor v1.0.4
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking same-file v1.0.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking filetime v0.2.1
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking humantime v1.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.2
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking walkdir v2.2.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling memchr v2.1.0
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking error-chain v0.12.0
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]     Checking aho-corasick v0.6.8
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking pretty_env_logger v0.2.4
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking serde_json v1.0.31
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling structopt-derive v0.2.10
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking failure v0.1.2
[INFO] [stderr]     Checking structopt v0.2.10
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking notify v4.0.6
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking hyper-staticfile v0.3.0
[INFO] [stderr]     Checking cargo_metadata v0.6.0
[INFO] [stderr]     Checking cargo-docserve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "f76f447dce881d58a747b4ac95903917222edac30bfffcd534c12509b412b5ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76f447dce881d58a747b4ac95903917222edac30bfffcd534c12509b412b5ca", kill_on_drop: false }`
[INFO] [stdout] f76f447dce881d58a747b4ac95903917222edac30bfffcd534c12509b412b5ca