[INFO] updating cached repository mtharrison/mio-echo
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mtharrison/mio-echo
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mtharrison/mio-echo" "work/ex/beta-1.38-1/sources/1.37.0/gh/mtharrison/mio-echo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/mtharrison/mio-echo'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mtharrison/mio-echo" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mtharrison/mio-echo"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mtharrison/mio-echo'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc050d8e9fdecd873566bc577bca35376536cdbf
[INFO] sha for GitHub repo mtharrison/mio-echo: dc050d8e9fdecd873566bc577bca35376536cdbf
[INFO] validating manifest of mtharrison/mio-echo 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 mtharrison/mio-echo 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 mtharrison/mio-echo
[INFO] finished frobbing mtharrison/mio-echo
[INFO] frobbed toml for mtharrison/mio-echo written to work/ex/beta-1.38-1/sources/1.37.0/gh/mtharrison/mio-echo/Cargo.toml
[INFO] started frobbing mtharrison/mio-echo
[INFO] finished frobbing mtharrison/mio-echo
[INFO] frobbed toml for mtharrison/mio-echo written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/mtharrison/mio-echo/Cargo.toml
[INFO] crate mtharrison/mio-echo 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 mtharrison/mio-echo 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/mtharrison/mio-echo:/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] 372ba67aeb8bb419e6525915146d911ace38acbb1837fb4a22b60cafff009125
[INFO] running `"docker" "start" "-a" "372ba67aeb8bb419e6525915146d911ace38acbb1837fb4a22b60cafff009125"`
[INFO] [stderr]    Compiling mio-echo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn server() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `"docker" "inspect" "372ba67aeb8bb419e6525915146d911ace38acbb1837fb4a22b60cafff009125"`
[INFO] running `"docker" "rm" "-f" "372ba67aeb8bb419e6525915146d911ace38acbb1837fb4a22b60cafff009125"`
[INFO] [stdout] 372ba67aeb8bb419e6525915146d911ace38acbb1837fb4a22b60cafff009125
[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/mtharrison/mio-echo:/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] d0cb12eb49f5655b561b00cc418a554e4a2447c3ea2f022e8d417f849b966e43
[INFO] running `"docker" "start" "-a" "d0cb12eb49f5655b561b00cc418a554e4a2447c3ea2f022e8d417f849b966e43"`
[INFO] [stderr]    Compiling mio-echo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:18:31
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn server() -> Result<(), Box<Error>> {
[INFO] [stderr]    |                               ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `"docker" "inspect" "d0cb12eb49f5655b561b00cc418a554e4a2447c3ea2f022e8d417f849b966e43"`
[INFO] running `"docker" "rm" "-f" "d0cb12eb49f5655b561b00cc418a554e4a2447c3ea2f022e8d417f849b966e43"`
[INFO] [stdout] d0cb12eb49f5655b561b00cc418a554e4a2447c3ea2f022e8d417f849b966e43
[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/mtharrison/mio-echo:/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] a66bc5b3b840e7c3ed49451139e457002bfca65c75aa4d3f4db467c51db6f6a5
[INFO] running `"docker" "start" "-a" "a66bc5b3b840e7c3ed49451139e457002bfca65c75aa4d3f4db467c51db6f6a5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mio_echo-4ed9df21affc540e
[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" "a66bc5b3b840e7c3ed49451139e457002bfca65c75aa4d3f4db467c51db6f6a5"`
[INFO] running `"docker" "rm" "-f" "a66bc5b3b840e7c3ed49451139e457002bfca65c75aa4d3f4db467c51db6f6a5"`
[INFO] [stdout] a66bc5b3b840e7c3ed49451139e457002bfca65c75aa4d3f4db467c51db6f6a5