[INFO] updating cached repository https://github.com/sangheestyle/rust_webserver_example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b6f8a0d46a964d48e86e7ef4f55ae314d5903b0e
[INFO] checking sangheestyle/rust_webserver_example against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsangheestyle%2Frust_webserver_example" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sangheestyle/rust_webserver_example on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/sangheestyle/rust_webserver_example
[INFO] finished tweaking git repo https://github.com/sangheestyle/rust_webserver_example
[INFO] tweaked toml for git repo https://github.com/sangheestyle/rust_webserver_example written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/sangheestyle/rust_webserver_example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTFLAGS=--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" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 74b0c5ca3156e793807848f01e9844d37a9cd5a6ccddd304b6cf083c8f8cfd0e
[INFO] running `"docker" "start" "-a" "74b0c5ca3156e793807848f01e9844d37a9cd5a6ccddd304b6cf083c8f8cfd0e"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking safemem v0.3.2
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking quick-error v1.2.2
[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]    Compiling error-chain v0.12.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking arrayvec v0.4.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking bytes v0.4.12
[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 phf_shared v0.7.24
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking rand v0.7.2
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling mime_guess v1.8.7
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking multipart v0.16.1
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.19
[INFO] [stderr]     Checking http-service v0.3.1
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]     Checking http-service-hyper v0.3.1
[INFO] [stderr]     Checking serde v1.0.101
[INFO] [stderr]     Checking serde_json v1.0.41
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_qs v0.5.0
[INFO] [stderr]     Checking tide-core v0.2.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking tide-headers v0.1.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking tide-forms v0.1.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking tide-cors v0.2.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking tide-cookies v0.2.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking tide-querystring v0.1.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking tide-log v0.1.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking tide v0.2.0 (https://github.com/rustasync/tide#8281f384)
[INFO] [stderr]     Checking rust_webserver_example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `"docker" "inspect" "74b0c5ca3156e793807848f01e9844d37a9cd5a6ccddd304b6cf083c8f8cfd0e"`
[INFO] running `"docker" "rm" "-f" "74b0c5ca3156e793807848f01e9844d37a9cd5a6ccddd304b6cf083c8f8cfd0e"`
[INFO] [stdout] 74b0c5ca3156e793807848f01e9844d37a9cd5a6ccddd304b6cf083c8f8cfd0e