[INFO] updating cached repository zenria/rust-http-server-prometheus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zenria/rust-http-server-prometheus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zenria/rust-http-server-prometheus" "work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/zenria/rust-http-server-prometheus"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/zenria/rust-http-server-prometheus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zenria/rust-http-server-prometheus" "work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zenria/rust-http-server-prometheus"`
[INFO] [stderr] Cloning into 'work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zenria/rust-http-server-prometheus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2ae6affd9def2358982c0d0dfba0c3e6dc94a806
[INFO] sha for GitHub repo zenria/rust-http-server-prometheus: 2ae6affd9def2358982c0d0dfba0c3e6dc94a806
[INFO] validating manifest of zenria/rust-http-server-prometheus on toolchain master#435236b8877cdb98c82eaebfb7887782277265c5
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of zenria/rust-http-server-prometheus on toolchain try#b5c7f157c20453dde8d47371abe73b32351b4e7f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing zenria/rust-http-server-prometheus
[INFO] finished frobbing zenria/rust-http-server-prometheus
[INFO] frobbed toml for zenria/rust-http-server-prometheus written to work/ex/pr-62849/sources/master#435236b8877cdb98c82eaebfb7887782277265c5/gh/zenria/rust-http-server-prometheus/Cargo.toml
[INFO] started frobbing zenria/rust-http-server-prometheus
[INFO] finished frobbing zenria/rust-http-server-prometheus
[INFO] frobbed toml for zenria/rust-http-server-prometheus written to work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zenria/rust-http-server-prometheus/Cargo.toml
[INFO] crate zenria/rust-http-server-prometheus already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+435236b8877cdb98c82eaebfb7887782277265c5-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking zenria/rust-http-server-prometheus against try#b5c7f157c20453dde8d47371abe73b32351b4e7f for pr-62849
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62849/worker-3/try#b5c7f157c20453dde8d47371abe73b32351b4e7f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62849/sources/try#b5c7f157c20453dde8d47371abe73b32351b4e7f/gh/zenria/rust-http-server-prometheus:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+b5c7f157c20453dde8d47371abe73b32351b4e7f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c7cc691abd53f461c0fa3fbe531049045ee2ac535721884e76e7e5141ce06aee
[INFO] running `"docker" "start" "-a" "c7cc691abd53f461c0fa3fbe531049045ee2ac535721884e76e7e5141ce06aee"`
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking futures v0.1.24
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]    Compiling protobuf v2.0.5
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]    Compiling prometheus v0.4.2
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking quick-error v0.2.2
[INFO] [stderr]     Checking spin v0.4.9
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking prometheus-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.22s
[INFO] running `"docker" "inspect" "c7cc691abd53f461c0fa3fbe531049045ee2ac535721884e76e7e5141ce06aee"`
[INFO] running `"docker" "rm" "-f" "c7cc691abd53f461c0fa3fbe531049045ee2ac535721884e76e7e5141ce06aee"`
[INFO] [stdout] c7cc691abd53f461c0fa3fbe531049045ee2ac535721884e76e7e5141ce06aee