[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 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 145fd1cf2a6c35efc234d6bf7d8bca6e23416d1ff5fbce3f0bcffa8ad04c0dd9
[INFO] running `"docker" "start" "-a" "145fd1cf2a6c35efc234d6bf7d8bca6e23416d1ff5fbce3f0bcffa8ad04c0dd9"`
[INFO] [stderr]    Compiling log v0.4.4
[INFO] [stderr]    Compiling mio v0.6.15
[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 3.34s
[INFO] running `"docker" "inspect" "145fd1cf2a6c35efc234d6bf7d8bca6e23416d1ff5fbce3f0bcffa8ad04c0dd9"`
[INFO] running `"docker" "rm" "-f" "145fd1cf2a6c35efc234d6bf7d8bca6e23416d1ff5fbce3f0bcffa8ad04c0dd9"`
[INFO] [stdout] 145fd1cf2a6c35efc234d6bf7d8bca6e23416d1ff5fbce3f0bcffa8ad04c0dd9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] e2d088a4f12f3cdf4bb77118b771f2aadf108f6fc494ddb41a7af0f0dbe0ee3c
[INFO] running `"docker" "start" "-a" "e2d088a4f12f3cdf4bb77118b771f2aadf108f6fc494ddb41a7af0f0dbe0ee3c"`
[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 0.55s
[INFO] running `"docker" "inspect" "e2d088a4f12f3cdf4bb77118b771f2aadf108f6fc494ddb41a7af0f0dbe0ee3c"`
[INFO] running `"docker" "rm" "-f" "e2d088a4f12f3cdf4bb77118b771f2aadf108f6fc494ddb41a7af0f0dbe0ee3c"`
[INFO] [stdout] e2d088a4f12f3cdf4bb77118b771f2aadf108f6fc494ddb41a7af0f0dbe0ee3c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 84aa99751393abb93d6ead6f66cda5c4ac8040a7df32d6b1a36988f7094c36cb
[INFO] running `"docker" "start" "-a" "84aa99751393abb93d6ead6f66cda5c4ac8040a7df32d6b1a36988f7094c36cb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mio_echo-1f3b2246d48e09fc
[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" "84aa99751393abb93d6ead6f66cda5c4ac8040a7df32d6b1a36988f7094c36cb"`
[INFO] running `"docker" "rm" "-f" "84aa99751393abb93d6ead6f66cda5c4ac8040a7df32d6b1a36988f7094c36cb"`
[INFO] [stdout] 84aa99751393abb93d6ead6f66cda5c4ac8040a7df32d6b1a36988f7094c36cb