[INFO] updating cached repository mathieuancelin/tcp-lb [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/mathieuancelin/tcp-lb [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/mathieuancelin/tcp-lb" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mathieuancelin/tcp-lb"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mathieuancelin/tcp-lb'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/mathieuancelin/tcp-lb" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mathieuancelin/tcp-lb"` [INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mathieuancelin/tcp-lb'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 875880474d2a1b0fac7ecb8317df794380de9ead [INFO] sha for GitHub repo mathieuancelin/tcp-lb: 875880474d2a1b0fac7ecb8317df794380de9ead [INFO] validating manifest of mathieuancelin/tcp-lb on toolchain master#a850a426491e14186af2250549bf41256b5938d2 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of mathieuancelin/tcp-lb on toolchain try#06a150c7d11500b41499224f165e9de1de096768 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing mathieuancelin/tcp-lb [INFO] finished frobbing mathieuancelin/tcp-lb [INFO] frobbed toml for mathieuancelin/tcp-lb written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/mathieuancelin/tcp-lb/Cargo.toml [INFO] started frobbing mathieuancelin/tcp-lb [INFO] finished frobbing mathieuancelin/tcp-lb [INFO] frobbed toml for mathieuancelin/tcp-lb written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mathieuancelin/tcp-lb/Cargo.toml [INFO] crate mathieuancelin/tcp-lb already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking mathieuancelin/tcp-lb against try#06a150c7d11500b41499224f165e9de1de096768 for pr-60162 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-7/try#06a150c7d11500b41499224f165e9de1de096768:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/mathieuancelin/tcp-lb:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+06a150c7d11500b41499224f165e9de1de096768-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 1cab5b6588c2bf53c63cd6ffba8e6fb58132661288d4a10af6a861f95c149de0 [INFO] running `"docker" "start" "-a" "1cab5b6588c2bf53c63cd6ffba8e6fb58132661288d4a10af6a861f95c149de0"` [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking socket2 v0.3.8 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Checking dns-lookup v1.0.0 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking tokio-executor v0.1.6 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-timer v0.2.10 [INFO] [stderr] Checking tokio-current-thread v0.1.5 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking tokio-threadpool v0.1.12 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.3 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio v0.1.16 [INFO] [stderr] Checking tcp-lb v1.0.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:178:13 [INFO] [stderr] | [INFO] [stderr] 178 | serve(the_addr, the_urls, i); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:178:13 [INFO] [stderr] | [INFO] [stderr] 178 | serve(the_addr, the_urls, i); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.11s [INFO] running `"docker" "inspect" "1cab5b6588c2bf53c63cd6ffba8e6fb58132661288d4a10af6a861f95c149de0"` [INFO] running `"docker" "rm" "-f" "1cab5b6588c2bf53c63cd6ffba8e6fb58132661288d4a10af6a861f95c149de0"` [INFO] [stdout] 1cab5b6588c2bf53c63cd6ffba8e6fb58132661288d4a10af6a861f95c149de0