[INFO] updating cached repository sybblow/tokio-echo-server
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sybblow/tokio-echo-server
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sybblow/tokio-echo-server" "work/ex/beta-1.38-1/sources/1.37.0/gh/sybblow/tokio-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sybblow/tokio-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sybblow/tokio-echo-server" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sybblow/tokio-echo-server"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sybblow/tokio-echo-server'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f71de238c5e7450566ce8d0b5ef94a32427d4c76
[INFO] sha for GitHub repo sybblow/tokio-echo-server: f71de238c5e7450566ce8d0b5ef94a32427d4c76
[INFO] validating manifest of sybblow/tokio-echo-server 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 sybblow/tokio-echo-server 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 sybblow/tokio-echo-server
[INFO] finished frobbing sybblow/tokio-echo-server
[INFO] frobbed toml for sybblow/tokio-echo-server written to work/ex/beta-1.38-1/sources/1.37.0/gh/sybblow/tokio-echo-server/Cargo.toml
[INFO] started frobbing sybblow/tokio-echo-server
[INFO] finished frobbing sybblow/tokio-echo-server
[INFO] frobbed toml for sybblow/tokio-echo-server written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sybblow/tokio-echo-server/Cargo.toml
[INFO] crate sybblow/tokio-echo-server 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sybblow/tokio-echo-server 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sybblow/tokio-echo-server:/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] 1182ea46c6dd199c1391a79cd7e269280b9eb968441e6cc251629a0e95e77e00
[INFO] running `"docker" "start" "-a" "1182ea46c6dd199c1391a79cd7e269280b9eb968441e6cc251629a0e95e77e00"`
[INFO] [stderr]    Compiling memchr v0.1.11
[INFO] [stderr]    Compiling net2 v0.2.26
[INFO] [stderr]    Compiling futures v0.1.6
[INFO] [stderr]    Compiling clap v2.19.2
[INFO] [stderr]    Compiling thread-id v2.0.0
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling thread_local v0.2.7
[INFO] [stderr]    Compiling aho-corasick v0.5.3
[INFO] [stderr]    Compiling regex v0.1.80
[INFO] [stderr]    Compiling mio v0.6.1
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling tokio-core v0.1.1
[INFO] [stderr]    Compiling tokio-echo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.34s
[INFO] running `"docker" "inspect" "1182ea46c6dd199c1391a79cd7e269280b9eb968441e6cc251629a0e95e77e00"`
[INFO] running `"docker" "rm" "-f" "1182ea46c6dd199c1391a79cd7e269280b9eb968441e6cc251629a0e95e77e00"`
[INFO] [stdout] 1182ea46c6dd199c1391a79cd7e269280b9eb968441e6cc251629a0e95e77e00
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sybblow/tokio-echo-server:/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] 1dd264f79f9f505e69ebb44b48f559fd7068ced6becbe2fac8e4ff13564f24e3
[INFO] running `"docker" "start" "-a" "1dd264f79f9f505e69ebb44b48f559fd7068ced6becbe2fac8e4ff13564f24e3"`
[INFO] [stderr]    Compiling tokio-echo v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "1dd264f79f9f505e69ebb44b48f559fd7068ced6becbe2fac8e4ff13564f24e3"`
[INFO] running `"docker" "rm" "-f" "1dd264f79f9f505e69ebb44b48f559fd7068ced6becbe2fac8e4ff13564f24e3"`
[INFO] [stdout] 1dd264f79f9f505e69ebb44b48f559fd7068ced6becbe2fac8e4ff13564f24e3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/sybblow/tokio-echo-server:/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] fc1d8815330165724a7c7863b75ebfd74af481c0701653bdd64334652caa8447
[INFO] running `"docker" "start" "-a" "fc1d8815330165724a7c7863b75ebfd74af481c0701653bdd64334652caa8447"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tokio_echo-302797e5cea127b4
[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" "fc1d8815330165724a7c7863b75ebfd74af481c0701653bdd64334652caa8447"`
[INFO] running `"docker" "rm" "-f" "fc1d8815330165724a7c7863b75ebfd74af481c0701653bdd64334652caa8447"`
[INFO] [stdout] fc1d8815330165724a7c7863b75ebfd74af481c0701653bdd64334652caa8447