[INFO] cloning repository https://github.com/EstebanBorai/low-level-chat-solution [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EstebanBorai/low-level-chat-solution" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Flow-level-chat-solution", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Flow-level-chat-solution'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2366ea961b5b25b8f2804dee373718ea079d4e4d [INFO] testing EstebanBorai/low-level-chat-solution against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Flow-level-chat-solution" "/workspace/builds/worker-117/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-117/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EstebanBorai/low-level-chat-solution on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/EstebanBorai/low-level-chat-solution [INFO] finished tweaking git repo https://github.com/EstebanBorai/low-level-chat-solution [INFO] tweaked toml for git repo https://github.com/EstebanBorai/low-level-chat-solution written to /workspace/builds/worker-117/source/Cargo.toml [INFO] crate git repo https://github.com/EstebanBorai/low-level-chat-solution already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cbc717c63f59e4f0dc3b766cd0b361695c079fd5b58715084c2f6322f906e184 [INFO] running `Command { std: "docker" "start" "-a" "cbc717c63f59e4f0dc3b766cd0b361695c079fd5b58715084c2f6322f906e184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cbc717c63f59e4f0dc3b766cd0b361695c079fd5b58715084c2f6322f906e184", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cbc717c63f59e4f0dc3b766cd0b361695c079fd5b58715084c2f6322f906e184", kill_on_drop: false }` [INFO] [stdout] cbc717c63f59e4f0dc3b766cd0b361695c079fd5b58715084c2f6322f906e184 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e295039d5caeb077dd07d28a64358f249269734513045ea9af1c5f494c16ea31 [INFO] running `Command { std: "docker" "start" "-a" "e295039d5caeb077dd07d28a64358f249269734513045ea9af1c5f494c16ea31", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling winapi v0.2.8 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling bitflags v0.4.0 [INFO] [stderr] Compiling slab v0.1.3 [INFO] [stderr] Compiling bytes v0.3.0 [INFO] [stderr] Compiling rustc-serialize v0.3.24 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling sha1 v0.1.1 [INFO] [stderr] Compiling ws2_32-sys v0.2.1 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Compiling http-muncher v0.2.5 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling net2 v0.2.35 [INFO] [stderr] Compiling nix v0.5.1 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling miow v0.1.5 [INFO] [stderr] Compiling mio v0.5.1 [INFO] [stderr] Compiling low-level-websocket-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/server.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 58 | token => { [INFO] [stdout] | ----- matches any value [INFO] [stdout] ... [INFO] [stdout] 72 | _ => println!("Received invalid token: {:?}", token), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_key` [INFO] [stdout] --> src/security.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn gen_key(key: &String) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 17s [INFO] running `Command { std: "docker" "inspect" "e295039d5caeb077dd07d28a64358f249269734513045ea9af1c5f494c16ea31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e295039d5caeb077dd07d28a64358f249269734513045ea9af1c5f494c16ea31", kill_on_drop: false }` [INFO] [stdout] e295039d5caeb077dd07d28a64358f249269734513045ea9af1c5f494c16ea31 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a3fc6e19ba609e62c68940391f889f594fe49ff4d49c9ead79a2a5415530fc00 [INFO] running `Command { std: "docker" "start" "-a" "a3fc6e19ba609e62c68940391f889f594fe49ff4d49c9ead79a2a5415530fc00", kill_on_drop: false }` [INFO] [stderr] Compiling low-level-websocket-solution v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/server.rs:72:17 [INFO] [stdout] | [INFO] [stdout] 58 | token => { [INFO] [stdout] | ----- matches any value [INFO] [stdout] ... [INFO] [stdout] 72 | _ => println!("Received invalid token: {:?}", token), [INFO] [stdout] | ^ unreachable pattern [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/server.rs:77:17 [INFO] [stdout] | [INFO] [stdout] 77 | let mut client = self.clients.get_mut(&token).unwrap(); [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `gen_key` [INFO] [stdout] --> src/security.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | pub fn gen_key(key: &String) -> String { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.46s [INFO] running `Command { std: "docker" "inspect" "a3fc6e19ba609e62c68940391f889f594fe49ff4d49c9ead79a2a5415530fc00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a3fc6e19ba609e62c68940391f889f594fe49ff4d49c9ead79a2a5415530fc00", kill_on_drop: false }` [INFO] [stdout] a3fc6e19ba609e62c68940391f889f594fe49ff4d49c9ead79a2a5415530fc00 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-117/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8e97d821e5bf5f87b793c9f23ef7b971bd39a5e483c4e8ae62ec6422efe51cf8 [INFO] running `Command { std: "docker" "start" "-a" "8e97d821e5bf5f87b793c9f23ef7b971bd39a5e483c4e8ae62ec6422efe51cf8", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/server.rs:72:17 [INFO] [stderr] | [INFO] [stderr] 58 | token => { [INFO] [stderr] | ----- matches any value [INFO] [stderr] ... [INFO] [stderr] 72 | _ => println!("Received invalid token: {:?}", token), [INFO] [stderr] | ^ unreachable pattern [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` 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] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `gen_key` [INFO] [stderr] --> src/security.rs:4:8 [INFO] [stderr] | [INFO] [stderr] 4 | pub fn gen_key(key: &String) -> String { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `low-level-websocket-solution` (bin "low-level-websocket-solution" test) generated 3 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.94s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/low_level_websocket_solution-cfb4b97983394c1f) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8e97d821e5bf5f87b793c9f23ef7b971bd39a5e483c4e8ae62ec6422efe51cf8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e97d821e5bf5f87b793c9f23ef7b971bd39a5e483c4e8ae62ec6422efe51cf8", kill_on_drop: false }` [INFO] [stdout] 8e97d821e5bf5f87b793c9f23ef7b971bd39a5e483c4e8ae62ec6422efe51cf8