[INFO] updating cached repository mexus/cancellable-read
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mexus/cancellable-read
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mexus/cancellable-read" "work/ex/beta-1.38-1/sources/1.37.0/gh/mexus/cancellable-read"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mexus/cancellable-read'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mexus/cancellable-read" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mexus/cancellable-read"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mexus/cancellable-read'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62743a48d5b3fa161fc753481fb27d0d78b14aaf
[INFO] sha for GitHub repo mexus/cancellable-read: 62743a48d5b3fa161fc753481fb27d0d78b14aaf
[INFO] validating manifest of mexus/cancellable-read 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 mexus/cancellable-read 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 mexus/cancellable-read
[INFO] finished frobbing mexus/cancellable-read
[INFO] frobbed toml for mexus/cancellable-read written to work/ex/beta-1.38-1/sources/1.37.0/gh/mexus/cancellable-read/Cargo.toml
[INFO] started frobbing mexus/cancellable-read
[INFO] finished frobbing mexus/cancellable-read
[INFO] frobbed toml for mexus/cancellable-read written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mexus/cancellable-read/Cargo.toml
[INFO] crate mexus/cancellable-read 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing mexus/cancellable-read 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-3/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/mexus/cancellable-read:/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] 01871c77e9791ca3769485886fa4bca191972414209a54734a2fb6f91ae2b46e
[INFO] running `"docker" "start" "-a" "01871c77e9791ca3769485886fa4bca191972414209a54734a2fb6f91ae2b46e"`
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling net2 v0.2.32
[INFO] [stderr]    Compiling bytes v0.4.6
[INFO] [stderr]    Compiling mio v0.6.13
[INFO] [stderr]    Compiling tokio-io v0.1.5
[INFO] [stderr]    Compiling mio-uds v0.6.4
[INFO] [stderr]    Compiling tokio-core v0.1.12
[INFO] [stderr]    Compiling tokio-stdin-stdout v0.1.1
[INFO] [stderr]    Compiling tokio-signal v0.1.4
[INFO] [stderr]    Compiling async-stdio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.38s
[INFO] running `"docker" "inspect" "01871c77e9791ca3769485886fa4bca191972414209a54734a2fb6f91ae2b46e"`
[INFO] running `"docker" "rm" "-f" "01871c77e9791ca3769485886fa4bca191972414209a54734a2fb6f91ae2b46e"`
[INFO] [stdout] 01871c77e9791ca3769485886fa4bca191972414209a54734a2fb6f91ae2b46e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/mexus/cancellable-read:/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] 62e9642ed2bc2f100c45d46dd757ffbbee6e1667a47af6b8fcfed107e942d9a1
[INFO] running `"docker" "start" "-a" "62e9642ed2bc2f100c45d46dd757ffbbee6e1667a47af6b8fcfed107e942d9a1"`
[INFO] [stderr]    Compiling async-stdio v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `"docker" "inspect" "62e9642ed2bc2f100c45d46dd757ffbbee6e1667a47af6b8fcfed107e942d9a1"`
[INFO] running `"docker" "rm" "-f" "62e9642ed2bc2f100c45d46dd757ffbbee6e1667a47af6b8fcfed107e942d9a1"`
[INFO] [stdout] 62e9642ed2bc2f100c45d46dd757ffbbee6e1667a47af6b8fcfed107e942d9a1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/mexus/cancellable-read:/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] b009e4693b93d2d116c33bc9e9478deed727b15ab31e3a7c8e242210a4b2f6b2
[INFO] running `"docker" "start" "-a" "b009e4693b93d2d116c33bc9e9478deed727b15ab31e3a7c8e242210a4b2f6b2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/async_stdio-0aa9e4658834b355
[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" "b009e4693b93d2d116c33bc9e9478deed727b15ab31e3a7c8e242210a4b2f6b2"`
[INFO] running `"docker" "rm" "-f" "b009e4693b93d2d116c33bc9e9478deed727b15ab31e3a7c8e242210a4b2f6b2"`
[INFO] [stdout] b009e4693b93d2d116c33bc9e9478deed727b15ab31e3a7c8e242210a4b2f6b2