[INFO] updating cached repository colindjk/chatter_bug [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/colindjk/chatter_bug [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/colindjk/chatter_bug" "work/ex/beta-1.38-1/sources/1.37.0/gh/colindjk/chatter_bug"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/colindjk/chatter_bug'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/colindjk/chatter_bug" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/colindjk/chatter_bug"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/colindjk/chatter_bug'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 7c8ec73cc6037f619f0d0dec5c0207f3bf65c6e9 [INFO] sha for GitHub repo colindjk/chatter_bug: 7c8ec73cc6037f619f0d0dec5c0207f3bf65c6e9 [INFO] validating manifest of colindjk/chatter_bug 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 colindjk/chatter_bug 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 colindjk/chatter_bug [INFO] finished frobbing colindjk/chatter_bug [INFO] frobbed toml for colindjk/chatter_bug written to work/ex/beta-1.38-1/sources/1.37.0/gh/colindjk/chatter_bug/Cargo.toml [INFO] started frobbing colindjk/chatter_bug [INFO] finished frobbing colindjk/chatter_bug [INFO] frobbed toml for colindjk/chatter_bug written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/colindjk/chatter_bug/Cargo.toml [INFO] crate colindjk/chatter_bug 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/colindjk/chatter_bug/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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 colindjk/chatter_bug 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/colindjk/chatter_bug:/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] 24e1a1bd9b98f5a0e39ec014c949f9b1f37b1a2004b6e4cb14d9d2a116f60e09 [INFO] running `"docker" "start" "-a" "24e1a1bd9b98f5a0e39ec014c949f9b1f37b1a2004b6e4cb14d9d2a116f60e09"` [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Compiling chat_service v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `mio::*` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use mio::*; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio::tcp::*` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::tcp::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `server::*` [INFO] [stderr] --> src/client.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use server::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sha1` [INFO] [stderr] --> src/serializer.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | use sha1::{ Sha1 }; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/client.rs:70:25 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(Some(len)) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:66:25 [INFO] [stderr] | [INFO] [stderr] 66 | 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: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/server.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | / pub fn new(new_socket: TcpListener, [INFO] [stderr] 23 | | new_clients: HashMap, [INFO] [stderr] 24 | | new_token_counter: usize) -> WebSocketServer { [INFO] [stderr] 25 | | WebSocketServer { [INFO] [stderr] ... | [INFO] [stderr] 29 | | } [INFO] [stderr] 30 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_socket` [INFO] [stderr] --> src/server.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn get_socket(&self) -> &TcpListener { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `http_parser` [INFO] [stderr] --> src/client.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | http_parser: Parser, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.64s [INFO] running `"docker" "inspect" "24e1a1bd9b98f5a0e39ec014c949f9b1f37b1a2004b6e4cb14d9d2a116f60e09"` [INFO] running `"docker" "rm" "-f" "24e1a1bd9b98f5a0e39ec014c949f9b1f37b1a2004b6e4cb14d9d2a116f60e09"` [INFO] [stdout] 24e1a1bd9b98f5a0e39ec014c949f9b1f37b1a2004b6e4cb14d9d2a116f60e09 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/colindjk/chatter_bug:/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] 9b0bdf1d660b1f4e95d2f7edc904aa4552e465aa0602d5cfb106453a28082787 [INFO] running `"docker" "start" "-a" "9b0bdf1d660b1f4e95d2f7edc904aa4552e465aa0602d5cfb106453a28082787"` [INFO] [stderr] Compiling chat_service v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `mio::*` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use mio::*; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `mio::tcp::*` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use mio::tcp::*; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashMap` [INFO] [stderr] --> src/main.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::collections::HashMap; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::sync::mpsc` [INFO] [stderr] --> src/server.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::sync::mpsc; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::net::SocketAddr` [INFO] [stderr] --> src/client.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::net::SocketAddr; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `server::*` [INFO] [stderr] --> src/client.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | use server::*; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Sha1` [INFO] [stderr] --> src/serializer.rs:5:13 [INFO] [stderr] | [INFO] [stderr] 5 | use sha1::{ Sha1 }; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/server.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `len` [INFO] [stderr] --> src/client.rs:70:25 [INFO] [stderr] | [INFO] [stderr] 70 | Ok(Some(len)) => { [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_len` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:66:25 [INFO] [stderr] | [INFO] [stderr] 66 | 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: variable does not need to be mutable [INFO] [stderr] --> src/server.rs:77:17 [INFO] [stderr] | [INFO] [stderr] 77 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/server.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | / pub fn new(new_socket: TcpListener, [INFO] [stderr] 23 | | new_clients: HashMap, [INFO] [stderr] 24 | | new_token_counter: usize) -> WebSocketServer { [INFO] [stderr] 25 | | WebSocketServer { [INFO] [stderr] ... | [INFO] [stderr] 29 | | } [INFO] [stderr] 30 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_socket` [INFO] [stderr] --> src/server.rs:32:5 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn get_socket(&self) -> &TcpListener { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `http_parser` [INFO] [stderr] --> src/client.rs:45:5 [INFO] [stderr] | [INFO] [stderr] 45 | http_parser: Parser, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.91s [INFO] running `"docker" "inspect" "9b0bdf1d660b1f4e95d2f7edc904aa4552e465aa0602d5cfb106453a28082787"` [INFO] running `"docker" "rm" "-f" "9b0bdf1d660b1f4e95d2f7edc904aa4552e465aa0602d5cfb106453a28082787"` [INFO] [stdout] 9b0bdf1d660b1f4e95d2f7edc904aa4552e465aa0602d5cfb106453a28082787 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/colindjk/chatter_bug:/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] 543bcb1399c9dce77849fb5b3f042483b30cadfab3d2999f397b29a0795dd15a [INFO] running `"docker" "start" "-a" "543bcb1399c9dce77849fb5b3f042483b30cadfab3d2999f397b29a0795dd15a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/chat_service-e70bcd88172eb8de [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" "543bcb1399c9dce77849fb5b3f042483b30cadfab3d2999f397b29a0795dd15a"` [INFO] running `"docker" "rm" "-f" "543bcb1399c9dce77849fb5b3f042483b30cadfab3d2999f397b29a0795dd15a"` [INFO] [stdout] 543bcb1399c9dce77849fb5b3f042483b30cadfab3d2999f397b29a0795dd15a