[INFO] updating cached repository glasses-n-contacts/rust-chat [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/glasses-n-contacts/rust-chat [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/glasses-n-contacts/rust-chat" "work/ex/beta-1.37-6/sources/1.36.0/gh/glasses-n-contacts/rust-chat"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/glasses-n-contacts/rust-chat'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/glasses-n-contacts/rust-chat" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/glasses-n-contacts/rust-chat"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/glasses-n-contacts/rust-chat'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 0fca64e1c6464c28e216859ca78b24a855bb4621 [INFO] sha for GitHub repo glasses-n-contacts/rust-chat: 0fca64e1c6464c28e216859ca78b24a855bb4621 [INFO] validating manifest of glasses-n-contacts/rust-chat 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 glasses-n-contacts/rust-chat 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 glasses-n-contacts/rust-chat [INFO] finished frobbing glasses-n-contacts/rust-chat [INFO] frobbed toml for glasses-n-contacts/rust-chat written to work/ex/beta-1.37-6/sources/1.36.0/gh/glasses-n-contacts/rust-chat/Cargo.toml [INFO] started frobbing glasses-n-contacts/rust-chat [INFO] finished frobbing glasses-n-contacts/rust-chat [INFO] frobbed toml for glasses-n-contacts/rust-chat written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/glasses-n-contacts/rust-chat/Cargo.toml [INFO] crate glasses-n-contacts/rust-chat 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 glasses-n-contacts/rust-chat against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/glasses-n-contacts/rust-chat:/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 70dc4dacf69e8a0078cf7bdd7e1d87c74e35fae3d5317547132a1f837d5e77cb [INFO] running `"docker" "start" "-a" "70dc4dacf69e8a0078cf7bdd7e1d87c74e35fae3d5317547132a1f837d5e77cb"` [INFO] [stderr] Compiling libc v0.2.41 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling bytes v0.3.0 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Compiling sha1 v0.1.1 [INFO] [stderr] Compiling net2 v0.2.32 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling time v0.1.40 [INFO] [stderr] Compiling miow v0.1.5 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling chat v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/socket_server.rs:43:25 [INFO] [stderr] | [INFO] [stderr] 43 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_client/frame.rs:202:13 [INFO] [stderr] | [INFO] [stderr] 202 | body.write(status_code); [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] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | event_loop.deregister(&client.socket); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 16.34s [INFO] running `"docker" "inspect" "70dc4dacf69e8a0078cf7bdd7e1d87c74e35fae3d5317547132a1f837d5e77cb"` [INFO] running `"docker" "rm" "-f" "70dc4dacf69e8a0078cf7bdd7e1d87c74e35fae3d5317547132a1f837d5e77cb"` [INFO] [stdout] 70dc4dacf69e8a0078cf7bdd7e1d87c74e35fae3d5317547132a1f837d5e77cb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/glasses-n-contacts/rust-chat:/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 4c08825df1c03debc4a00e673888645aaf43e55f7667cd995a8dcfcbc3d0f621 [INFO] running `"docker" "start" "-a" "4c08825df1c03debc4a00e673888645aaf43e55f7667cd995a8dcfcbc3d0f621"` [INFO] [stderr] Compiling chat v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/socket_server.rs:43:25 [INFO] [stderr] | [INFO] [stderr] 43 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_client/frame.rs:202:13 [INFO] [stderr] | [INFO] [stderr] 202 | body.write(status_code); [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] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:65:13 [INFO] [stderr] | [INFO] [stderr] 65 | client.socket.shutdown(Shutdown::Both); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/socket_server.rs:66:13 [INFO] [stderr] | [INFO] [stderr] 66 | event_loop.deregister(&client.socket); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [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 1.22s [INFO] running `"docker" "inspect" "4c08825df1c03debc4a00e673888645aaf43e55f7667cd995a8dcfcbc3d0f621"` [INFO] running `"docker" "rm" "-f" "4c08825df1c03debc4a00e673888645aaf43e55f7667cd995a8dcfcbc3d0f621"` [INFO] [stdout] 4c08825df1c03debc4a00e673888645aaf43e55f7667cd995a8dcfcbc3d0f621 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/glasses-n-contacts/rust-chat:/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] c6287ca1975dfd9477b08d1ee3403e9e2b75e9b7fe0355d6cc25a1cff747cf06 [INFO] running `"docker" "start" "-a" "c6287ca1975dfd9477b08d1ee3403e9e2b75e9b7fe0355d6cc25a1cff747cf06"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/chat-599df4957a5c3c2a [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/chat-c16ca2b505fe7527 [INFO] [stdout] [INFO] [stderr] Doc-tests chat [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" "c6287ca1975dfd9477b08d1ee3403e9e2b75e9b7fe0355d6cc25a1cff747cf06"` [INFO] running `"docker" "rm" "-f" "c6287ca1975dfd9477b08d1ee3403e9e2b75e9b7fe0355d6cc25a1cff747cf06"` [INFO] [stdout] c6287ca1975dfd9477b08d1ee3403e9e2b75e9b7fe0355d6cc25a1cff747cf06