[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#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEstebanBorai%2Flow-level-chat-solution" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/EstebanBorai/low-level-chat-solution on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-12/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 080d6ec8fc9b5d70b52f136d55384cd51fc5fdedb0804e3dd1816a100c7fd005 [INFO] running `Command { std: "docker" "start" "-a" "080d6ec8fc9b5d70b52f136d55384cd51fc5fdedb0804e3dd1816a100c7fd005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "080d6ec8fc9b5d70b52f136d55384cd51fc5fdedb0804e3dd1816a100c7fd005", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "080d6ec8fc9b5d70b52f136d55384cd51fc5fdedb0804e3dd1816a100c7fd005", kill_on_drop: false }` [INFO] [stdout] 080d6ec8fc9b5d70b52f136d55384cd51fc5fdedb0804e3dd1816a100c7fd005 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a91de847d7ad47b47962bf7a9598e60dcfbf1fe94f86df7c1bc802c16ec0928f [INFO] running `Command { std: "docker" "start" "-a" "a91de847d7ad47b47962bf7a9598e60dcfbf1fe94f86df7c1bc802c16ec0928f", kill_on_drop: false }` [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling libc v0.2.80 [INFO] [stderr] Compiling winapi v0.2.8 [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 log v0.3.9 [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 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 9.10s [INFO] running `Command { std: "docker" "inspect" "a91de847d7ad47b47962bf7a9598e60dcfbf1fe94f86df7c1bc802c16ec0928f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a91de847d7ad47b47962bf7a9598e60dcfbf1fe94f86df7c1bc802c16ec0928f", kill_on_drop: false }` [INFO] [stdout] a91de847d7ad47b47962bf7a9598e60dcfbf1fe94f86df7c1bc802c16ec0928f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6689ad5b46a60df45cf5d685952e5c294267154bcd64cd9749763d6e01e119b [INFO] running `Command { std: "docker" "start" "-a" "c6689ad5b46a60df45cf5d685952e5c294267154bcd64cd9749763d6e01e119b", 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 0.58s [INFO] running `Command { std: "docker" "inspect" "c6689ad5b46a60df45cf5d685952e5c294267154bcd64cd9749763d6e01e119b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6689ad5b46a60df45cf5d685952e5c294267154bcd64cd9749763d6e01e119b", kill_on_drop: false }` [INFO] [stdout] c6689ad5b46a60df45cf5d685952e5c294267154bcd64cd9749763d6e01e119b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 801d4eeceb639f8a8c007e95a72155bfdd521ba8a6b5dd2a9e0292bc0c4ad726 [INFO] running `Command { std: "docker" "start" "-a" "801d4eeceb639f8a8c007e95a72155bfdd521ba8a6b5dd2a9e0292bc0c4ad726", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unreachable pattern [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/server.rs:72:17 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 58 | token => { [INFO] [stdout] [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: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/low_level_websocket_solution-14e0a7315eea8034) [INFO] running `Command { std: "docker" "inspect" "801d4eeceb639f8a8c007e95a72155bfdd521ba8a6b5dd2a9e0292bc0c4ad726", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "801d4eeceb639f8a8c007e95a72155bfdd521ba8a6b5dd2a9e0292bc0c4ad726", kill_on_drop: false }` [INFO] [stdout] 801d4eeceb639f8a8c007e95a72155bfdd521ba8a6b5dd2a9e0292bc0c4ad726