[INFO] updating cached repository NathanJang/tokio-read-to-end-demo [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/NathanJang/tokio-read-to-end-demo [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/NathanJang/tokio-read-to-end-demo" "work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NathanJang/tokio-read-to-end-demo"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NathanJang/tokio-read-to-end-demo'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/NathanJang/tokio-read-to-end-demo" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/NathanJang/tokio-read-to-end-demo"` [INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/NathanJang/tokio-read-to-end-demo'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 16c685beb026642e4975aeb289c15e5323052f5c [INFO] sha for GitHub repo NathanJang/tokio-read-to-end-demo: 16c685beb026642e4975aeb289c15e5323052f5c [INFO] validating manifest of NathanJang/tokio-read-to-end-demo on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of NathanJang/tokio-read-to-end-demo on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing NathanJang/tokio-read-to-end-demo [INFO] finished frobbing NathanJang/tokio-read-to-end-demo [INFO] frobbed toml for NathanJang/tokio-read-to-end-demo written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NathanJang/tokio-read-to-end-demo/Cargo.toml [INFO] started frobbing NathanJang/tokio-read-to-end-demo [INFO] finished frobbing NathanJang/tokio-read-to-end-demo [INFO] frobbed toml for NathanJang/tokio-read-to-end-demo written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/NathanJang/tokio-read-to-end-demo/Cargo.toml [INFO] crate NathanJang/tokio-read-to-end-demo already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NathanJang/tokio-read-to-end-demo/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking NathanJang/tokio-read-to-end-demo against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-3/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/NathanJang/tokio-read-to-end-demo:/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 23da37bfc23e583f86c0ac97a49cfd7ac478ca527a275f71e76073b9c8d43660 [INFO] running `"docker" "start" "-a" "23da37bfc23e583f86c0ac97a49cfd7ac478ca527a275f71e76073b9c8d43660"` [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking futures v0.1.28 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Compiling memoffset v0.5.1 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking owning_ref v0.4.0 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking lock_api v0.1.5 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.2 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking crossbeam-deque v0.7.1 [INFO] [stderr] Checking mio-uds v0.6.7 [INFO] [stderr] Checking tokio-executor v0.1.8 [INFO] [stderr] Checking tokio-sync v0.1.6 [INFO] [stderr] Checking tokio-io v0.1.12 [INFO] [stderr] Checking tokio-threadpool v0.1.15 [INFO] [stderr] Checking tokio-current-thread v0.1.6 [INFO] [stderr] Checking tokio-timer v0.2.11 [INFO] [stderr] Checking parking_lot v0.7.1 [INFO] [stderr] Checking tokio-codec v0.1.1 [INFO] [stderr] Checking tokio-reactor v0.1.9 [INFO] [stderr] Checking tokio-fs v0.1.6 [INFO] [stderr] Checking tokio-uds v0.2.5 [INFO] [stderr] Checking tokio-udp v0.1.4 [INFO] [stderr] Checking tokio-tcp v0.1.3 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking tokio-read-to-end-demo v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: struct is never constructed: `ReadToEnd` [INFO] [stderr] --> src/main.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | struct ReadToEnd { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Reading` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | Reading { a: A, buf: Vec }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_to_end` [INFO] [stderr] --> src/main.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / fn read_to_end(a: A, buf: Vec) -> ReadToEnd [INFO] [stderr] 51 | | where [INFO] [stderr] 52 | | A: AsyncRead, [INFO] [stderr] 53 | | { [INFO] [stderr] ... | [INFO] [stderr] 56 | | } [INFO] [stderr] 57 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `ReadToEnd` [INFO] [stderr] --> src/main.rs:34:1 [INFO] [stderr] | [INFO] [stderr] 34 | struct ReadToEnd { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Reading` [INFO] [stderr] --> src/main.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | Reading { a: A, buf: Vec }, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `read_to_end` [INFO] [stderr] --> src/main.rs:50:1 [INFO] [stderr] | [INFO] [stderr] 50 | / fn read_to_end(a: A, buf: Vec) -> ReadToEnd [INFO] [stderr] 51 | | where [INFO] [stderr] 52 | | A: AsyncRead, [INFO] [stderr] 53 | | { [INFO] [stderr] ... | [INFO] [stderr] 56 | | } [INFO] [stderr] 57 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.41s [INFO] running `"docker" "inspect" "23da37bfc23e583f86c0ac97a49cfd7ac478ca527a275f71e76073b9c8d43660"` [INFO] running `"docker" "rm" "-f" "23da37bfc23e583f86c0ac97a49cfd7ac478ca527a275f71e76073b9c8d43660"` [INFO] [stdout] 23da37bfc23e583f86c0ac97a49cfd7ac478ca527a275f71e76073b9c8d43660