[INFO] updating cached repository Weltraumschaf/webserver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Weltraumschaf/webserver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Weltraumschaf/webserver" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/Weltraumschaf/webserver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/Weltraumschaf/webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Weltraumschaf/webserver" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Weltraumschaf/webserver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Weltraumschaf/webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ad0cab52fb77e6deb6c78d14ffe56ce2a486380e
[INFO] sha for GitHub repo Weltraumschaf/webserver: ad0cab52fb77e6deb6c78d14ffe56ce2a486380e
[INFO] validating manifest of Weltraumschaf/webserver on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Weltraumschaf/webserver on toolchain try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Weltraumschaf/webserver
[INFO] finished frobbing Weltraumschaf/webserver
[INFO] frobbed toml for Weltraumschaf/webserver written to work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/Weltraumschaf/webserver/Cargo.toml
[INFO] started frobbing Weltraumschaf/webserver
[INFO] finished frobbing Weltraumschaf/webserver
[INFO] frobbed toml for Weltraumschaf/webserver written to work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Weltraumschaf/webserver/Cargo.toml
[INFO] crate Weltraumschaf/webserver already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1891bfa80364eead426517c68de6947b7692e2de-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Weltraumschaf/webserver against try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a for pr-60261
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60261/worker-2/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/Weltraumschaf/webserver:/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" "+bfdcf6db3afcce5fe4013023cfa8ba359c5d527a-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 56351aa754712e5cb5e9ea63b27008868eedc23395f41bc8638ac7d5b30e78ca
[INFO] running `"docker" "start" "-a" "56351aa754712e5cb5e9ea63b27008868eedc23395f41bc8638ac7d5b30e78ca"`
[INFO] [stderr] warning: unused manifest key: package.travis-ci
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking hamcrest v0.1.5
[INFO] [stderr]     Checking flexi_logger v0.6.13
[INFO] [stderr]     Checking webserver v1.0.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut content = file::read_bytes(&resource);
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/server.rs:126:17
[INFO] [stderr]     |
[INFO] [stderr] 126 |             let mut content = file::read_bytes(&resource);
[INFO] [stderr]     |                 ----^^^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.84s
[INFO] running `"docker" "inspect" "56351aa754712e5cb5e9ea63b27008868eedc23395f41bc8638ac7d5b30e78ca"`
[INFO] running `"docker" "rm" "-f" "56351aa754712e5cb5e9ea63b27008868eedc23395f41bc8638ac7d5b30e78ca"`
[INFO] [stdout] 56351aa754712e5cb5e9ea63b27008868eedc23395f41bc8638ac7d5b30e78ca