[INFO] updating cached repository ajmwagar/tetnus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ajmwagar/tetnus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/tetnus" "work/ex/beta-1.37-6/sources/1.36.0/gh/ajmwagar/tetnus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/ajmwagar/tetnus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ajmwagar/tetnus" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ajmwagar/tetnus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ajmwagar/tetnus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 92870b945d31674d811c5c92e464a38ae2a81117
[INFO] sha for GitHub repo ajmwagar/tetnus: 92870b945d31674d811c5c92e464a38ae2a81117
[INFO] validating manifest of ajmwagar/tetnus 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 ajmwagar/tetnus 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 ajmwagar/tetnus
[INFO] finished frobbing ajmwagar/tetnus
[INFO] frobbed toml for ajmwagar/tetnus written to work/ex/beta-1.37-6/sources/1.36.0/gh/ajmwagar/tetnus/Cargo.toml
[INFO] started frobbing ajmwagar/tetnus
[INFO] finished frobbing ajmwagar/tetnus
[INFO] frobbed toml for ajmwagar/tetnus written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/ajmwagar/tetnus/Cargo.toml
[INFO] crate ajmwagar/tetnus 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 ajmwagar/tetnus 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-1/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/ajmwagar/tetnus:/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] f92ab84b4547eeb92313fa645bc71a81bd00bfdfc7d7285a0a289994d54be059
[INFO] running `"docker" "start" "-a" "f92ab84b4547eeb92313fa645bc71a81bd00bfdfc7d7285a0a289994d54be059"`
[INFO] [stderr]    Compiling socket2 v0.3.8
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-threadpool v0.1.14
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.19
[INFO] [stderr]    Compiling tetnus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/unix_shell/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpStream, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/unix_shell/mod.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/unix_shell/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sh(home: String){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 49 |     sh(home);
[INFO] [stderr]    |     -------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unconditional_recursion)] on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/unix_shell/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     socket.connect(&home.parse::<SocketAddr>().unwrap().into());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.69s
[INFO] running `"docker" "inspect" "f92ab84b4547eeb92313fa645bc71a81bd00bfdfc7d7285a0a289994d54be059"`
[INFO] running `"docker" "rm" "-f" "f92ab84b4547eeb92313fa645bc71a81bd00bfdfc7d7285a0a289994d54be059"`
[INFO] [stdout] f92ab84b4547eeb92313fa645bc71a81bd00bfdfc7d7285a0a289994d54be059
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/ajmwagar/tetnus:/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] 5022197c4bc2abe73b5ca3f88c16fc052607f445e8cc2987bfccfd08e79b1eeb
[INFO] running `"docker" "start" "-a" "5022197c4bc2abe73b5ca3f88c16fc052607f445e8cc2987bfccfd08e79b1eeb"`
[INFO] [stderr]    Compiling tetnus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TcpStream`
[INFO] [stderr]  --> src/unix_shell/mod.rs:2:16
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::net::{TcpStream, SocketAddr};
[INFO] [stderr]   |                ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `thread`, `time`
[INFO] [stderr]  --> src/unix_shell/mod.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, time};
[INFO] [stderr]   |           ^^^^^^  ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function cannot return without recursing
[INFO] [stderr]   --> src/unix_shell/mod.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | fn sh(home: String){
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stderr] ...
[INFO] [stderr] 49 |     sh(home);
[INFO] [stderr]    |     -------- recursive call site
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unconditional_recursion)] on by default
[INFO] [stderr]    = help: a `loop` may express intention better if this is on purpose
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/unix_shell/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     socket.connect(&home.parse::<SocketAddr>().unwrap().into());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.19s
[INFO] running `"docker" "inspect" "5022197c4bc2abe73b5ca3f88c16fc052607f445e8cc2987bfccfd08e79b1eeb"`
[INFO] running `"docker" "rm" "-f" "5022197c4bc2abe73b5ca3f88c16fc052607f445e8cc2987bfccfd08e79b1eeb"`
[INFO] [stdout] 5022197c4bc2abe73b5ca3f88c16fc052607f445e8cc2987bfccfd08e79b1eeb
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/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/ajmwagar/tetnus:/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] df002ed96cf1d8502785f0d8f883e0476dd3127f44bae4a473089dbbdb64f366
[INFO] running `"docker" "start" "-a" "df002ed96cf1d8502785f0d8f883e0476dd3127f44bae4a473089dbbdb64f366"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/tetnus-347dcfb19fd6933c
[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" "df002ed96cf1d8502785f0d8f883e0476dd3127f44bae4a473089dbbdb64f366"`
[INFO] running `"docker" "rm" "-f" "df002ed96cf1d8502785f0d8f883e0476dd3127f44bae4a473089dbbdb64f366"`
[INFO] [stdout] df002ed96cf1d8502785f0d8f883e0476dd3127f44bae4a473089dbbdb64f366