[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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Weltraumschaf/webserver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/Weltraumschaf/webserver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Weltraumschaf/webserver" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/Weltraumschaf/webserver"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Weltraumschaf/webserver on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-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-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Weltraumschaf/webserver against master#e305df1846a6d985315917ae0c81b74af8b4e641 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-2/master#e305df1846a6d985315917ae0c81b74af8b4e641:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 58a0e960fb7efdffdc887746f7f566e203d80dd0742497c7e84ba1d5ce06084a
[INFO] running `"docker" "start" "-a" "58a0e960fb7efdffdc887746f7f566e203d80dd0742497c7e84ba1d5ce06084a"`
[INFO] [stderr] warning: unused manifest key: package.travis-ci
[INFO] [stderr]     Checking num-complex v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[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 7.43s
[INFO] running `"docker" "inspect" "58a0e960fb7efdffdc887746f7f566e203d80dd0742497c7e84ba1d5ce06084a"`
[INFO] running `"docker" "rm" "-f" "58a0e960fb7efdffdc887746f7f566e203d80dd0742497c7e84ba1d5ce06084a"`
[INFO] [stdout] 58a0e960fb7efdffdc887746f7f566e203d80dd0742497c7e84ba1d5ce06084a