[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-1.37-6/sources/1.36.0/gh/NathanJang/tokio-read-to-end-demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/gh/NathanJang/tokio-read-to-end-demo"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of NathanJang/tokio-read-to-end-demo on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing NathanJang/tokio-read-to-end-demo against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 5504de529478b6838e7688b11100d990cc5f7e15c8ac38b2efd4155bcd673ecf [INFO] running `"docker" "start" "-a" "5504de529478b6838e7688b11100d990cc5f7e15c8ac38b2efd4155bcd673ecf"` [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 3.61s [INFO] running `"docker" "inspect" "5504de529478b6838e7688b11100d990cc5f7e15c8ac38b2efd4155bcd673ecf"` [INFO] running `"docker" "rm" "-f" "5504de529478b6838e7688b11100d990cc5f7e15c8ac38b2efd4155bcd673ecf"` [INFO] [stdout] 5504de529478b6838e7688b11100d990cc5f7e15c8ac38b2efd4155bcd673ecf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 52bfc8f04fdab9b73886b25f5fa7cc869a78d9fa1c86760ea52ef24c2f3982e5 [INFO] running `"docker" "start" "-a" "52bfc8f04fdab9b73886b25f5fa7cc869a78d9fa1c86760ea52ef24c2f3982e5"` [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 1.49s [INFO] running `"docker" "inspect" "52bfc8f04fdab9b73886b25f5fa7cc869a78d9fa1c86760ea52ef24c2f3982e5"` [INFO] running `"docker" "rm" "-f" "52bfc8f04fdab9b73886b25f5fa7cc869a78d9fa1c86760ea52ef24c2f3982e5"` [INFO] [stdout] 52bfc8f04fdab9b73886b25f5fa7cc869a78d9fa1c86760ea52ef24c2f3982e5 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 7eacf5903f3d198bcea78c562c047ca86ebd2d012768839055590993de1e3dc9 [INFO] running `"docker" "start" "-a" "7eacf5903f3d198bcea78c562c047ca86ebd2d012768839055590993de1e3dc9"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/crater/target/debug/deps/tokio_read_to_end_demo-326a39aa18074200 [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" "7eacf5903f3d198bcea78c562c047ca86ebd2d012768839055590993de1e3dc9"` [INFO] running `"docker" "rm" "-f" "7eacf5903f3d198bcea78c562c047ca86ebd2d012768839055590993de1e3dc9"` [INFO] [stdout] 7eacf5903f3d198bcea78c562c047ca86ebd2d012768839055590993de1e3dc9