[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/beta-1.38-1/sources/1.37.0/gh/NathanJang/tokio-read-to-end-demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/NathanJang/tokio-read-to-end-demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of NathanJang/tokio-read-to-end-demo on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "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/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/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" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing NathanJang/tokio-read-to-end-demo against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] c695687283794ba595169839d1f2e6bde7e6f0596f9d7c94d6a0b51073d9865d [INFO] running `"docker" "start" "-a" "c695687283794ba595169839d1f2e6bde7e6f0596f9d7c94d6a0b51073d9865d"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 3.37s [INFO] running `"docker" "inspect" "c695687283794ba595169839d1f2e6bde7e6f0596f9d7c94d6a0b51073d9865d"` [INFO] running `"docker" "rm" "-f" "c695687283794ba595169839d1f2e6bde7e6f0596f9d7c94d6a0b51073d9865d"` [INFO] [stdout] c695687283794ba595169839d1f2e6bde7e6f0596f9d7c94d6a0b51073d9865d [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 8116a82af4dff4c6b01cee7aa2a152ee4757364cc56e4322e38e122bf73578dc [INFO] running `"docker" "start" "-a" "8116a82af4dff4c6b01cee7aa2a152ee4757364cc56e4322e38e122bf73578dc"` [INFO] [stderr] Compiling 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] Finished dev [unoptimized + debuginfo] target(s) in 1.22s [INFO] running `"docker" "inspect" "8116a82af4dff4c6b01cee7aa2a152ee4757364cc56e4322e38e122bf73578dc"` [INFO] running `"docker" "rm" "-f" "8116a82af4dff4c6b01cee7aa2a152ee4757364cc56e4322e38e122bf73578dc"` [INFO] [stdout] 8116a82af4dff4c6b01cee7aa2a152ee4757364cc56e4322e38e122bf73578dc [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] 65c00484ff188f2d868737b68eaf45ce54753d9b28c705b7dfd7641e0d73c604 [INFO] running `"docker" "start" "-a" "65c00484ff188f2d868737b68eaf45ce54753d9b28c705b7dfd7641e0d73c604"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/tokio_read_to_end_demo-7e7b34873a8ee56d [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "65c00484ff188f2d868737b68eaf45ce54753d9b28c705b7dfd7641e0d73c604"` [INFO] running `"docker" "rm" "-f" "65c00484ff188f2d868737b68eaf45ce54753d9b28c705b7dfd7641e0d73c604"` [INFO] [stdout] 65c00484ff188f2d868737b68eaf45ce54753d9b28c705b7dfd7641e0d73c604