[INFO] updating cached repository HectorIX/tcp-client
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/HectorIX/tcp-client
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/HectorIX/tcp-client" "work/ex/beta-1.37-6/sources/1.36.0/gh/HectorIX/tcp-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/HectorIX/tcp-client'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/HectorIX/tcp-client" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HectorIX/tcp-client"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HectorIX/tcp-client'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ae3406bdc726c3d604969b1975eb21589d492d33
[INFO] sha for GitHub repo HectorIX/tcp-client: ae3406bdc726c3d604969b1975eb21589d492d33
[INFO] validating manifest of HectorIX/tcp-client 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 HectorIX/tcp-client 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 HectorIX/tcp-client
[INFO] finished frobbing HectorIX/tcp-client
[INFO] frobbed toml for HectorIX/tcp-client written to work/ex/beta-1.37-6/sources/1.36.0/gh/HectorIX/tcp-client/Cargo.toml
[INFO] started frobbing HectorIX/tcp-client
[INFO] finished frobbing HectorIX/tcp-client
[INFO] frobbed toml for HectorIX/tcp-client written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/HectorIX/tcp-client/Cargo.toml
[INFO] crate HectorIX/tcp-client 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 HectorIX/tcp-client 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-6/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/HectorIX/tcp-client:/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] fda4b40e158f65abe0484e0050b4620d2e003efd92dbaf773e0b0228a6191b06
[INFO] running `"docker" "start" "-a" "fda4b40e158f65abe0484e0050b4620d2e003efd92dbaf773e0b0228a6191b06"`
[INFO] [stderr]    Compiling termios v0.2.2
[INFO] [stderr]    Compiling rpassword v0.4.0
[INFO] [stderr]    Compiling tcp-client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/client_upload.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 BytesMut::from("\n")
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:247:17
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 BytesMut::from("\n")
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/file_io.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         Err(e) => { return "**Failed".to_string().into_bytes(); },
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/file_io.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Err(e) => {  return "**Failed {}".to_string().into_bytes(); },
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/client_upload.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let x = file_io::read_u8(path_to_file.clone().to_string());
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.43s
[INFO] running `"docker" "inspect" "fda4b40e158f65abe0484e0050b4620d2e003efd92dbaf773e0b0228a6191b06"`
[INFO] running `"docker" "rm" "-f" "fda4b40e158f65abe0484e0050b4620d2e003efd92dbaf773e0b0228a6191b06"`
[INFO] [stdout] fda4b40e158f65abe0484e0050b4620d2e003efd92dbaf773e0b0228a6191b06
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/HectorIX/tcp-client:/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] c937fe9090b78c742aaba1ddeb6b914163aa70d8ef04e8fd8dc6a969eeb9f7f6
[INFO] running `"docker" "start" "-a" "c937fe9090b78c742aaba1ddeb6b914163aa70d8ef04e8fd8dc6a969eeb9f7f6"`
[INFO] [stderr]    Compiling tcp-client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/client_upload.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use std::str;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:211:17
[INFO] [stderr]     |
[INFO] [stderr] 211 |                 BytesMut::from("\n")
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unreachable_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/parser.rs:247:17
[INFO] [stderr]     |
[INFO] [stderr] 247 |                 BytesMut::from("\n")
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/file_io.rs:74:13
[INFO] [stderr]    |
[INFO] [stderr] 74 |         Err(e) => { return "**Failed".to_string().into_bytes(); },
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stderr]   --> src/file_io.rs:85:13
[INFO] [stderr]    |
[INFO] [stderr] 85 |         Err(e) => {  return "**Failed {}".to_string().into_bytes(); },
[INFO] [stderr]    |             ^ help: consider prefixing with an underscore: `_e`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/client_upload.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let x = file_io::read_u8(path_to_file.clone().to_string());
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "c937fe9090b78c742aaba1ddeb6b914163aa70d8ef04e8fd8dc6a969eeb9f7f6"`
[INFO] running `"docker" "rm" "-f" "c937fe9090b78c742aaba1ddeb6b914163aa70d8ef04e8fd8dc6a969eeb9f7f6"`
[INFO] [stdout] c937fe9090b78c742aaba1ddeb6b914163aa70d8ef04e8fd8dc6a969eeb9f7f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/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/HectorIX/tcp-client:/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] 729aee25dee2686868c346587d6109be3199181afb771b5cc44f7a5fb2cddead
[INFO] running `"docker" "start" "-a" "729aee25dee2686868c346587d6109be3199181afb771b5cc44f7a5fb2cddead"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tcp_client-9a8a7ddfc8361e04
[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" "729aee25dee2686868c346587d6109be3199181afb771b5cc44f7a5fb2cddead"`
[INFO] running `"docker" "rm" "-f" "729aee25dee2686868c346587d6109be3199181afb771b5cc44f7a5fb2cddead"`
[INFO] [stdout] 729aee25dee2686868c346587d6109be3199181afb771b5cc44f7a5fb2cddead