[INFO] cloning repository https://github.com/jeremybobbin/jer-ft [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeremybobbin/jer-ft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fjer-ft", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fjer-ft'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d6aa978c97e8432067217861c62929a5950bce82 [INFO] checking jeremybobbin/jer-ft against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fjer-ft" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremybobbin/jer-ft on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jeremybobbin/jer-ft [INFO] finished tweaking git repo https://github.com/jeremybobbin/jer-ft [INFO] tweaked toml for git repo https://github.com/jeremybobbin/jer-ft written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jeremybobbin/jer-ft already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3aaac99681ae7215cb004dade64dc32a05b2c4beccf97ba530c7709d843f0a9 [INFO] running `Command { std: "docker" "start" "-a" "d3aaac99681ae7215cb004dade64dc32a05b2c4beccf97ba530c7709d843f0a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3aaac99681ae7215cb004dade64dc32a05b2c4beccf97ba530c7709d843f0a9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3aaac99681ae7215cb004dade64dc32a05b2c4beccf97ba530c7709d843f0a9", kill_on_drop: false }` [INFO] [stdout] d3aaac99681ae7215cb004dade64dc32a05b2c4beccf97ba530c7709d843f0a9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 88e256a503b9703c370993f32d4b422dd50b593820bbaa8a0e446359fba079de [INFO] running `Command { std: "docker" "start" "-a" "88e256a503b9703c370993f32d4b422dd50b593820bbaa8a0e446359fba079de", kill_on_drop: false }` [INFO] [stderr] Checking jerft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stdout] --> src/bin/recv.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | TcpListener, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | BufReader [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | mpsc, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stdout] --> src/bin/recv.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | TcpListener, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | BufReader [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | mpsc, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stdout] --> src/bin/listen.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | TcpStream [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stdout] --> src/bin/listen.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | TcpStream [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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: unused variable: `t1` [INFO] [stdout] --> src/bin/listen.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let t1 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t2` [INFO] [stdout] --> src/bin/listen.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let t2 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t1` [INFO] [stdout] --> src/bin/listen.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let t1 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t2` [INFO] [stdout] --> src/bin/listen.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | let t2 = thread::spawn(move || { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_t2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 62 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 62 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | t1.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = t1.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | t1.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = t1.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | t2.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = t2.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | t2.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = t2.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s [INFO] running `Command { std: "docker" "inspect" "88e256a503b9703c370993f32d4b422dd50b593820bbaa8a0e446359fba079de", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88e256a503b9703c370993f32d4b422dd50b593820bbaa8a0e446359fba079de", kill_on_drop: false }` [INFO] [stdout] 88e256a503b9703c370993f32d4b422dd50b593820bbaa8a0e446359fba079de [INFO] checking jeremybobbin/jer-ft against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeremybobbin%2Fjer-ft" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jeremybobbin/jer-ft on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jeremybobbin/jer-ft [INFO] finished tweaking git repo https://github.com/jeremybobbin/jer-ft [INFO] tweaked toml for git repo https://github.com/jeremybobbin/jer-ft written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/jeremybobbin/jer-ft already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 30ba4fd705e18e5f49f276f73624b97f9b6fe32dfb6282c451304e76e958be14 [INFO] running `Command { std: "docker" "start" "-a" "30ba4fd705e18e5f49f276f73624b97f9b6fe32dfb6282c451304e76e958be14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "30ba4fd705e18e5f49f276f73624b97f9b6fe32dfb6282c451304e76e958be14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30ba4fd705e18e5f49f276f73624b97f9b6fe32dfb6282c451304e76e958be14", kill_on_drop: false }` [INFO] [stdout] 30ba4fd705e18e5f49f276f73624b97f9b6fe32dfb6282c451304e76e958be14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f84af480208f4be7a51e69fa091b79ffe13e3efd4b23e1129c96983e42abefcc [INFO] running `Command { std: "docker" "start" "-a" "f84af480208f4be7a51e69fa091b79ffe13e3efd4b23e1129c96983e42abefcc", kill_on_drop: false }` [INFO] [stderr] Checking jerft v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stdout] --> src/bin/recv.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | TcpListener, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | BufReader [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | mpsc, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stdout] --> src/bin/listen.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | TcpStream [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `JoinHandle`, `TcpStream`, `self` [INFO] [stdout] --> src/bin/listen.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 8 | TcpStream [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `BufReader`, `JoinHandle`, `TcpListener`, `mpsc`, `self` [INFO] [stdout] --> src/bin/recv.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | self, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 7 | TcpListener, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 14 | BufReader [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 17 | mpsc, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 23 | JoinHandle [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let mut file1 = Arc::new(Mutex::new(file)); [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: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bin/recv.rs:39:9 [INFO] [stdout] | [INFO] [stdout] 39 | let mut file2 = Arc::clone(&file1); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 62 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | t1.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = t1.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | t2.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = t2.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/bin/listen.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let t1 = thread::spawn(move || { [INFO] [stdout] | _________^^___- [INFO] [stdout] 51 | | loop { [INFO] [stdout] 52 | | let buf = rx1.lock().unwrap().recv().unwrap(); [INFO] [stdout] 53 | | s1.write_all(&buf).unwrap(); [INFO] [stdout] 54 | | } [INFO] [stdout] 55 | | }); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving `t1` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 50 | let t1: JoinHandle = thread::spawn(move || { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] error[E0283]: type annotations needed for `JoinHandle` [INFO] [stdout] --> src/bin/listen.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | let t1 = thread::spawn(move || { [INFO] [stdout] | _________^^___- [INFO] [stdout] 51 | | loop { [INFO] [stdout] 52 | | let buf = rx1.lock().unwrap().recv().unwrap(); [INFO] [stdout] 53 | | s1.write_all(&buf).unwrap(); [INFO] [stdout] 54 | | } [INFO] [stdout] 55 | | }); [INFO] [stdout] | |______- type must be known at this point [INFO] [stdout] | [INFO] [stdout] = note: cannot satisfy `_: Send` [INFO] [stdout] note: required by a bound in `spawn` [INFO] [stdout] --> /rustc/3a4bc97f6385a3aa300a4fd689b44350e54fd676/library/std/src/thread/mod.rs:672:1 [INFO] [stdout] help: consider giving `t1` an explicit type, where the type for type parameter `T` is specified [INFO] [stdout] | [INFO] [stdout] 50 | let t1: JoinHandle = thread::spawn(move || { [INFO] [stdout] | +++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:50:13 [INFO] [stdout] | [INFO] [stdout] 50 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:62:13 [INFO] [stdout] | [INFO] [stdout] 62 | file.write(&mut buf); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 62 | let _ = file.write(&mut buf); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:65:5 [INFO] [stdout] | [INFO] [stdout] 65 | t1.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 65 | let _ = t1.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/bin/recv.rs:66:5 [INFO] [stdout] | [INFO] [stdout] 66 | t2.join(); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 66 | let _ = t2.join(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0283`. [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `jerft` (bin "listen" test) due to 2 previous errors; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `jerft` (bin "listen") due to 2 previous errors; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "f84af480208f4be7a51e69fa091b79ffe13e3efd4b23e1129c96983e42abefcc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f84af480208f4be7a51e69fa091b79ffe13e3efd4b23e1129c96983e42abefcc", kill_on_drop: false }` [INFO] [stdout] f84af480208f4be7a51e69fa091b79ffe13e3efd4b23e1129c96983e42abefcc