[INFO] updating cached repository christiansakai/chatter
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/christiansakai/chatter
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/christiansakai/chatter" "work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/chatter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/chatter'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/christiansakai/chatter" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christiansakai/chatter"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christiansakai/chatter'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2dfe647d2688df3772d121f8c76368599e6c6876
[INFO] sha for GitHub repo christiansakai/chatter: 2dfe647d2688df3772d121f8c76368599e6c6876
[INFO] validating manifest of christiansakai/chatter 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 christiansakai/chatter 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 christiansakai/chatter
[INFO] finished frobbing christiansakai/chatter
[INFO] frobbed toml for christiansakai/chatter written to work/ex/beta-1.38-1/sources/1.37.0/gh/christiansakai/chatter/Cargo.toml
[INFO] started frobbing christiansakai/chatter
[INFO] finished frobbing christiansakai/chatter
[INFO] frobbed toml for christiansakai/chatter written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/christiansakai/chatter/Cargo.toml
[INFO] crate christiansakai/chatter 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 christiansakai/chatter 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/christiansakai/chatter:/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] aadb26fe70246b0e6e50d791b115140af14a622a0876a63d1444a85319397537
[INFO] running `"docker" "start" "-a" "aadb26fe70246b0e6e50d791b115140af14a622a0876a63d1444a85319397537"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.17
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling chatter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/client.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Error, ErrorKind, Read, Write};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/util.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]   --> src/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     address: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/client.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.11s
[INFO] running `"docker" "inspect" "aadb26fe70246b0e6e50d791b115140af14a622a0876a63d1444a85319397537"`
[INFO] running `"docker" "rm" "-f" "aadb26fe70246b0e6e50d791b115140af14a622a0876a63d1444a85319397537"`
[INFO] [stdout] aadb26fe70246b0e6e50d791b115140af14a622a0876a63d1444a85319397537
[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/christiansakai/chatter:/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] 194099d79d25ec715fe04dc59a4dc20fb79ddb880e147cc340ec01bbdb37cc9d
[INFO] running `"docker" "start" "-a" "194099d79d25ec715fe04dc59a4dc20fb79ddb880e147cc340ec01bbdb37cc9d"`
[INFO] [stderr]    Compiling chatter v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `ErrorKind`, `Error`
[INFO] [stderr]  --> src/client.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::io::{Error, ErrorKind, Read, Write};
[INFO] [stderr]   |               ^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/util.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `address`
[INFO] [stderr]   --> src/server.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     address: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `name`
[INFO] [stderr]   --> src/client.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     name: String,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "194099d79d25ec715fe04dc59a4dc20fb79ddb880e147cc340ec01bbdb37cc9d"`
[INFO] running `"docker" "rm" "-f" "194099d79d25ec715fe04dc59a4dc20fb79ddb880e147cc340ec01bbdb37cc9d"`
[INFO] [stdout] 194099d79d25ec715fe04dc59a4dc20fb79ddb880e147cc340ec01bbdb37cc9d
[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/christiansakai/chatter:/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] e8749fd2de9c30554bf0ce53b0385e148b1e21b0560711111c676fd9e999bb0a
[INFO] running `"docker" "start" "-a" "e8749fd2de9c30554bf0ce53b0385e148b1e21b0560711111c676fd9e999bb0a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/chatter-fdb79905cd2b2e34
[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] [stderr]      Running /opt/crater/target/debug/deps/chatter-2ddc76e5f984bc34
[INFO] [stderr]    Doc-tests chatter
[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] [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" "e8749fd2de9c30554bf0ce53b0385e148b1e21b0560711111c676fd9e999bb0a"`
[INFO] running `"docker" "rm" "-f" "e8749fd2de9c30554bf0ce53b0385e148b1e21b0560711111c676fd9e999bb0a"`
[INFO] [stdout] e8749fd2de9c30554bf0ce53b0385e148b1e21b0560711111c676fd9e999bb0a