[INFO] cloning repository https://github.com/polunzh/rust-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/polunzh/rust-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolunzh%2Frust-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolunzh%2Frust-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 21e3bd366cb3d0fc9a0bca59fef1d5b696f1b7bb [INFO] testing polunzh/rust-demo against beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpolunzh%2Frust-demo" "/workspace/builds/worker-29/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-29/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/polunzh/rust-demo on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/polunzh/rust-demo [INFO] finished tweaking git repo https://github.com/polunzh/rust-demo [INFO] tweaked toml for git repo https://github.com/polunzh/rust-demo written to /workspace/builds/worker-29/source/Cargo.toml [INFO] crate git repo https://github.com/polunzh/rust-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 82bc71b769b52fe3d2c1bdbbad04d47f8998e292179ddeea5c43352732466f9e [INFO] running `Command { std: "docker" "start" "-a" "82bc71b769b52fe3d2c1bdbbad04d47f8998e292179ddeea5c43352732466f9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "82bc71b769b52fe3d2c1bdbbad04d47f8998e292179ddeea5c43352732466f9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "82bc71b769b52fe3d2c1bdbbad04d47f8998e292179ddeea5c43352732466f9e", kill_on_drop: false }` [INFO] [stdout] 82bc71b769b52fe3d2c1bdbbad04d47f8998e292179ddeea5c43352732466f9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9d2c2c8dff525a66107e5303ca64570114053eefd3835e88c8117571352d573b [INFO] running `Command { std: "docker" "start" "-a" "9d2c2c8dff525a66107e5303ca64570114053eefd3835e88c8117571352d573b", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Compiling match_demo v0.1.0 (/opt/rustwide/workdir/match_demo) [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership) [INFO] [stderr] Compiling enum_demo v0.1.0 (/opt/rustwide/workdir/enum_demo) [INFO] [stderr] Compiling compound v0.1.0 (/opt/rustwide/workdir/compound) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/variables) [INFO] [stderr] Compiling function v0.1.0 (/opt/rustwide/workdir/function) [INFO] [stderr] Compiling control-flow v0.1.0 (/opt/rustwide/workdir/control-flow) [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir/hello_world) [INFO] [stderr] Compiling integer v0.1.0 (/opt/rustwide/workdir/integer) [INFO] [stderr] Compiling slice v0.1.0 (/opt/rustwide/workdir/slice) [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> match_demo/src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> match_demo/src/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> match_demo/src/main.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> match_demo/src/main.rs:9:3 [INFO] [stdout] | [INFO] [stdout] 9 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dim` [INFO] [stdout] --> match_demo/src/main.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | Dim, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrKind1` [INFO] [stdout] --> enum_demo/src/main.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum IpAddrKind1 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V6` [INFO] [stdout] --> enum_demo/src/main.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | V6(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> function/src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | y + 5; // 语句 [INFO] [stdout] | ^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 14 | let _ = y + 5; // 语句 [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> integer/src/main.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | let a: i8 = 127; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> integer/src/main.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | let a: i8 = -127; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> integer/src/main.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | let a: u8 = 255; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game) [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.89s [INFO] running `Command { std: "docker" "inspect" "9d2c2c8dff525a66107e5303ca64570114053eefd3835e88c8117571352d573b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9d2c2c8dff525a66107e5303ca64570114053eefd3835e88c8117571352d573b", kill_on_drop: false }` [INFO] [stdout] 9d2c2c8dff525a66107e5303ca64570114053eefd3835e88c8117571352d573b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 93ad279371493df7f1be34e7e8a52a3623738f85633df79460ba925767374d9a [INFO] running `Command { std: "docker" "start" "-a" "93ad279371493df7f1be34e7e8a52a3623738f85633df79460ba925767374d9a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling compound v0.1.0 (/opt/rustwide/workdir/compound) [INFO] [stderr] Compiling enum_demo v0.1.0 (/opt/rustwide/workdir/enum_demo) [INFO] [stderr] Compiling integer v0.1.0 (/opt/rustwide/workdir/integer) [INFO] [stderr] Compiling control-flow v0.1.0 (/opt/rustwide/workdir/control-flow) [INFO] [stderr] Compiling hello_world v0.1.0 (/opt/rustwide/workdir/hello_world) [INFO] [stderr] Compiling function v0.1.0 (/opt/rustwide/workdir/function) [INFO] [stderr] Compiling variables v0.1.0 (/opt/rustwide/workdir/variables) [INFO] [stderr] Compiling match_demo v0.1.0 (/opt/rustwide/workdir/match_demo) [INFO] [stderr] Compiling ownership v0.1.0 (/opt/rustwide/workdir/ownership) [INFO] [stderr] Compiling slice v0.1.0 (/opt/rustwide/workdir/slice) [INFO] [stderr] Compiling guessing_game v0.1.0 (/opt/rustwide/workdir/guessing_game) [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> integer/src/main.rs:2:7 [INFO] [stdout] | [INFO] [stdout] 2 | let a: i8 = 127; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> integer/src/main.rs:3:7 [INFO] [stdout] | [INFO] [stdout] 3 | let a: i8 = -127; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> integer/src/main.rs:4:7 [INFO] [stdout] | [INFO] [stdout] 4 | let a: u8 = 255; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> function/src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | y + 5; // 语句 [INFO] [stdout] | ^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 14 | let _ = y + 5; // 语句 [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum is never used: `IpAddrKind1` [INFO] [stdout] --> enum_demo/src/main.rs:1:6 [INFO] [stdout] | [INFO] [stdout] 1 | enum IpAddrKind1 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `V6` [INFO] [stdout] --> enum_demo/src/main.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | V6(String), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `count` is assigned to, but never used [INFO] [stdout] --> match_demo/src/main.rs:55:11 [INFO] [stdout] | [INFO] [stdout] 55 | let mut count = 0; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_count` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `count` is never read [INFO] [stdout] --> match_demo/src/main.rs:59:5 [INFO] [stdout] | [INFO] [stdout] 59 | count += 1; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Penny` [INFO] [stdout] --> match_demo/src/main.rs:8:3 [INFO] [stdout] | [INFO] [stdout] 8 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Nickel` [INFO] [stdout] --> match_demo/src/main.rs:9:3 [INFO] [stdout] | [INFO] [stdout] 9 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Dim` [INFO] [stdout] --> match_demo/src/main.rs:10:3 [INFO] [stdout] | [INFO] [stdout] 10 | Dim, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.62s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/compound-71a918125f294e69) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/control_flow-5dc9996460be591b) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/enum_demo-e4ec8f471ebbbdfa) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/function-5ba6c96dacaa8e68) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-e08b126f124dd74c) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-b17c2867150e6157) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/integer-f87a70ceb72cc575) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/match_demo-359ce8d8765b6166) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-18d3c794f925a00b) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/slice-7ac0d56a2a4637c4) [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-24b883fc99760ec0) [INFO] running `Command { std: "docker" "inspect" "93ad279371493df7f1be34e7e8a52a3623738f85633df79460ba925767374d9a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "93ad279371493df7f1be34e7e8a52a3623738f85633df79460ba925767374d9a", kill_on_drop: false }` [INFO] [stdout] 93ad279371493df7f1be34e7e8a52a3623738f85633df79460ba925767374d9a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 92296b21dbf7e54b3bcf0a4e1dd6e761a59dac9a7301d15a4467cfadc881639d [INFO] running `Command { std: "docker" "start" "-a" "92296b21dbf7e54b3bcf0a4e1dd6e761a59dac9a7301d15a4467cfadc881639d", kill_on_drop: false }` [INFO] [stderr] warning: enum is never used: `IpAddrKind1` [INFO] [stderr] --> enum_demo/src/main.rs:1:6 [INFO] [stderr] | [INFO] [stderr] 1 | enum IpAddrKind1 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `V6` [INFO] [stderr] --> enum_demo/src/main.rs:8:3 [INFO] [stderr] | [INFO] [stderr] 8 | V6(String), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `enum_demo` (bin "enum_demo" test) generated 2 warnings [INFO] [stderr] warning: variable `count` is assigned to, but never used [INFO] [stderr] --> match_demo/src/main.rs:55:11 [INFO] [stderr] | [INFO] [stderr] 55 | let mut count = 0; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] = note: consider using `_count` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `count` is never read [INFO] [stderr] --> match_demo/src/main.rs:59:5 [INFO] [stderr] | [INFO] [stderr] 59 | count += 1; [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Penny` [INFO] [stderr] --> match_demo/src/main.rs:8:3 [INFO] [stderr] | [INFO] [stderr] 8 | Penny, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Nickel` [INFO] [stderr] --> match_demo/src/main.rs:9:3 [INFO] [stderr] | [INFO] [stderr] 9 | Nickel, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Dim` [INFO] [stderr] --> match_demo/src/main.rs:10:3 [INFO] [stderr] | [INFO] [stderr] 10 | Dim, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> integer/src/main.rs:2:7 [INFO] [stderr] | [INFO] [stderr] 2 | let a: i8 = 127; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> integer/src/main.rs:3:7 [INFO] [stderr] | [INFO] [stderr] 3 | let a: i8 = -127; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `a` [INFO] [stderr] --> integer/src/main.rs:4:7 [INFO] [stderr] | [INFO] [stderr] 4 | let a: u8 = 255; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> function/src/main.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | y + 5; // 语句 [INFO] [stderr] | ^^^^^ the arithmetic operation produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 14 | let _ = y + 5; // 语句 [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `match_demo` (bin "match_demo" test) generated 5 warnings [INFO] [stderr] warning: `integer` (bin "integer" test) generated 3 warnings [INFO] [stderr] warning: `function` (bin "function" test) generated 1 warning [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/compound-71a918125f294e69) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/control_flow-5dc9996460be591b) [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] [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/enum_demo-e4ec8f471ebbbdfa) [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/function-5ba6c96dacaa8e68) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/guessing_game-e08b126f124dd74c) [INFO] [stdout] running 0 tests [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_world-b17c2867150e6157) [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/integer-f87a70ceb72cc575) [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [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; finished in 0.00s [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; finished in 0.00s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/match_demo-359ce8d8765b6166) [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; finished in 0.00s [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; finished in 0.00s [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; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ownership-18d3c794f925a00b) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/slice-7ac0d56a2a4637c4) [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] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/variables-24b883fc99760ec0) [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" "92296b21dbf7e54b3bcf0a4e1dd6e761a59dac9a7301d15a4467cfadc881639d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "92296b21dbf7e54b3bcf0a4e1dd6e761a59dac9a7301d15a4467cfadc881639d", kill_on_drop: false }` [INFO] [stdout] 92296b21dbf7e54b3bcf0a4e1dd6e761a59dac9a7301d15a4467cfadc881639d