[INFO] crate zio-sendfile 0.2.0 is already in cache
[INFO] extracting crate zio-sendfile 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/zio-sendfile/0.2.0
[INFO] extracting crate zio-sendfile 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zio-sendfile/0.2.0
[INFO] validating manifest of zio-sendfile-0.2.0 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 zio-sendfile-0.2.0 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 zio-sendfile-0.2.0
[INFO] finished frobbing zio-sendfile-0.2.0
[INFO] frobbed toml for zio-sendfile-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/zio-sendfile/0.2.0/Cargo.toml
[INFO] started frobbing zio-sendfile-0.2.0
[INFO] finished frobbing zio-sendfile-0.2.0
[INFO] frobbed toml for zio-sendfile-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zio-sendfile/0.2.0/Cargo.toml
[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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing zio-sendfile-0.2.0 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zio-sendfile/0.2.0:/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] 240d38d407f0e7be3c516d4ac1a0cc2a758a6fc587ce146b7c7d2f75d519463b
[INFO] running `"docker" "start" "-a" "240d38d407f0e7be3c516d4ac1a0cc2a758a6fc587ce146b7c7d2f75d519463b"`
[INFO] [stderr]    Compiling zio-sendfile v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "240d38d407f0e7be3c516d4ac1a0cc2a758a6fc587ce146b7c7d2f75d519463b"`
[INFO] running `"docker" "rm" "-f" "240d38d407f0e7be3c516d4ac1a0cc2a758a6fc587ce146b7c7d2f75d519463b"`
[INFO] [stdout] 240d38d407f0e7be3c516d4ac1a0cc2a758a6fc587ce146b7c7d2f75d519463b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zio-sendfile/0.2.0:/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] 818b5cee86b4e8ae5d4cf80fca40a68fc77cc612beab462ea5707ce150e78961
[INFO] running `"docker" "start" "-a" "818b5cee86b4e8ae5d4cf80fca40a68fc77cc612beab462ea5707ce150e78961"`
[INFO] [stderr]    Compiling zio-sendfile v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `wrote`
[INFO] [stderr]   --> examples/cp.rs:31:14
[INFO] [stderr]    |
[INFO] [stderr] 31 |         |sf, wrote| {
[INFO] [stderr]    |              ^^^^^ help: consider prefixing with an underscore: `_wrote`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "818b5cee86b4e8ae5d4cf80fca40a68fc77cc612beab462ea5707ce150e78961"`
[INFO] running `"docker" "rm" "-f" "818b5cee86b4e8ae5d4cf80fca40a68fc77cc612beab462ea5707ce150e78961"`
[INFO] [stdout] 818b5cee86b4e8ae5d4cf80fca40a68fc77cc612beab462ea5707ce150e78961
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/zio-sendfile/0.2.0:/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] 99ec0eb486636f84d44969a5ac338c95e8c2becfc30fcb433d16fb5a08b1acc5
[INFO] running `"docker" "start" "-a" "99ec0eb486636f84d44969a5ac338c95e8c2becfc30fcb433d16fb5a08b1acc5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zio_sendfile-74a57fb34fd0034b
[INFO] [stderr]    Doc-tests zio-sendfile
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - SendFile (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "99ec0eb486636f84d44969a5ac338c95e8c2becfc30fcb433d16fb5a08b1acc5"`
[INFO] running `"docker" "rm" "-f" "99ec0eb486636f84d44969a5ac338c95e8c2becfc30fcb433d16fb5a08b1acc5"`
[INFO] [stdout] 99ec0eb486636f84d44969a5ac338c95e8c2becfc30fcb433d16fb5a08b1acc5