[INFO] updating cached repository hejile/tcpspeedtest
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/hejile/tcpspeedtest
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/hejile/tcpspeedtest" "work/ex/beta-1.37-6/sources/1.36.0/gh/hejile/tcpspeedtest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/hejile/tcpspeedtest'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/hejile/tcpspeedtest" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hejile/tcpspeedtest"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hejile/tcpspeedtest'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a84fa28592a6f45a842e296e4c1a64fad0af01d6
[INFO] sha for GitHub repo hejile/tcpspeedtest: a84fa28592a6f45a842e296e4c1a64fad0af01d6
[INFO] validating manifest of hejile/tcpspeedtest on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of hejile/tcpspeedtest on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing hejile/tcpspeedtest
[INFO] finished frobbing hejile/tcpspeedtest
[INFO] frobbed toml for hejile/tcpspeedtest written to work/ex/beta-1.37-6/sources/1.36.0/gh/hejile/tcpspeedtest/Cargo.toml
[INFO] started frobbing hejile/tcpspeedtest
[INFO] finished frobbing hejile/tcpspeedtest
[INFO] frobbed toml for hejile/tcpspeedtest written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hejile/tcpspeedtest/Cargo.toml
[INFO] crate hejile/tcpspeedtest already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing hejile/tcpspeedtest against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hejile/tcpspeedtest:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7563aa37c2f5bb380e55ebc57c8b69fa302cbdb1390876a536f95ae76041d0e1
[INFO] running `"docker" "start" "-a" "7563aa37c2f5bb380e55ebc57c8b69fa302cbdb1390876a536f95ae76041d0e1"`
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling tcpspeedtest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `total_bytes` is never read
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut total_bytes = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `upload_dur` is never read
[INFO] [stderr]   --> src/main.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut upload_dur = 0usize;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `"docker" "inspect" "7563aa37c2f5bb380e55ebc57c8b69fa302cbdb1390876a536f95ae76041d0e1"`
[INFO] running `"docker" "rm" "-f" "7563aa37c2f5bb380e55ebc57c8b69fa302cbdb1390876a536f95ae76041d0e1"`
[INFO] [stdout] 7563aa37c2f5bb380e55ebc57c8b69fa302cbdb1390876a536f95ae76041d0e1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hejile/tcpspeedtest:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 05d2a12457e55dda6275ce059d9138a00e4356faa7f9faed649a52c8f51e8cb0
[INFO] running `"docker" "start" "-a" "05d2a12457e55dda6275ce059d9138a00e4356faa7f9faed649a52c8f51e8cb0"`
[INFO] [stderr]    Compiling tcpspeedtest v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: value assigned to `total_bytes` is never read
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |     let mut total_bytes = 0;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_assignments)] on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `upload_dur` is never read
[INFO] [stderr]   --> src/main.rs:58:13
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let mut upload_dur = 0usize;
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "05d2a12457e55dda6275ce059d9138a00e4356faa7f9faed649a52c8f51e8cb0"`
[INFO] running `"docker" "rm" "-f" "05d2a12457e55dda6275ce059d9138a00e4356faa7f9faed649a52c8f51e8cb0"`
[INFO] [stdout] 05d2a12457e55dda6275ce059d9138a00e4356faa7f9faed649a52c8f51e8cb0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/hejile/tcpspeedtest:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] baa5dc2e8252088fd36ccc5e56a877013f6c9cdbf6c0a7d6dba4496bdba99634
[INFO] running `"docker" "start" "-a" "baa5dc2e8252088fd36ccc5e56a877013f6c9cdbf6c0a7d6dba4496bdba99634"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tcpspeedtest-1f5d3953ac13a6b3
[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" "baa5dc2e8252088fd36ccc5e56a877013f6c9cdbf6c0a7d6dba4496bdba99634"`
[INFO] running `"docker" "rm" "-f" "baa5dc2e8252088fd36ccc5e56a877013f6c9cdbf6c0a7d6dba4496bdba99634"`
[INFO] [stdout] baa5dc2e8252088fd36ccc5e56a877013f6c9cdbf6c0a7d6dba4496bdba99634