[INFO] cloning repository https://github.com/nulijiushimeili/hello_rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nulijiushimeili/hello_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulijiushimeili%2Fhello_rust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulijiushimeili%2Fhello_rust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 71777e57931a4eb2c6839e2b736861e3e592c89e [INFO] testing nulijiushimeili/hello_rust against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnulijiushimeili%2Fhello_rust" "/workspace/builds/worker-8/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nulijiushimeili/hello_rust on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/nulijiushimeili/hello_rust [INFO] finished tweaking git repo https://github.com/nulijiushimeili/hello_rust [INFO] tweaked toml for git repo https://github.com/nulijiushimeili/hello_rust written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/nulijiushimeili/hello_rust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 02c02e1f852f1f832f50996f24f0c4cac2be2d638d61596fdd0e0613222a7849 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "02c02e1f852f1f832f50996f24f0c4cac2be2d638d61596fdd0e0613222a7849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "02c02e1f852f1f832f50996f24f0c4cac2be2d638d61596fdd0e0613222a7849", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02c02e1f852f1f832f50996f24f0c4cac2be2d638d61596fdd0e0613222a7849", kill_on_drop: false }` [INFO] [stdout] 02c02e1f852f1f832f50996f24f0c4cac2be2d638d61596fdd0e0613222a7849 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c0473e3a649fe49da12561425518564b363064c22539af2a482e234fde2c895c [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "c0473e3a649fe49da12561425518564b363064c22539af2a482e234fde2c895c", kill_on_drop: false }` [INFO] [stderr] Compiling rand v0.4.2 [INFO] [stderr] Compiling rand v0.3.22 [INFO] [stderr] Compiling hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let y:(i32,&str) = (2,"word"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `z` is assigned to, but never used [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | let mut z = (1,"rust"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_z` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `z` is never read [INFO] [stdout] --> src/main.rs:138:5 [INFO] [stdout] | [INFO] [stdout] 138 | z = x ; [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: unused variable: `b` [INFO] [stdout] --> src/main.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:141:14 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `complete` [INFO] [stdout] --> src/main.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | let complete = &a[..]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_complete` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `middle` [INFO] [stdout] --> src/main.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | let middle = &a[2..4]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let c = [0;20]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [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: `shutdown_iterator` [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn shutdown_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_iterator` [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn test_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rust_loop` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn rust_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_if` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn test_if(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_tuple` [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn test_tuple(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_slice` [INFO] [stdout] --> src/main.rs:153:4 [INFO] [stdout] | [INFO] [stdout] 153 | fn test_slice(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_arr1` [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn test_arr1(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn plus_one(i: i32) -> i32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `diverges` [INFO] [stdout] --> src/main.rs:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn diverges()->!{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `func1` [INFO] [stdout] --> src/main.rs:185:4 [INFO] [stdout] | [INFO] [stdout] 185 | fn func1(x: i32, y :i32)->i32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_loop` [INFO] [stdout] --> src/main.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn test_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compare` [INFO] [stdout] --> src/main.rs:223:4 [INFO] [stdout] | [INFO] [stdout] 223 | fn compare(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rand_number` [INFO] [stdout] --> src/main.rs:242:4 [INFO] [stdout] | [INFO] [stdout] 242 | fn rand_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `show_number` [INFO] [stdout] --> src/main.rs:255:4 [INFO] [stdout] | [INFO] [stdout] 255 | fn show_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.19s [INFO] running `Command { std: "docker" "inspect" "c0473e3a649fe49da12561425518564b363064c22539af2a482e234fde2c895c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0473e3a649fe49da12561425518564b363064c22539af2a482e234fde2c895c", kill_on_drop: false }` [INFO] [stdout] c0473e3a649fe49da12561425518564b363064c22539af2a482e234fde2c895c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1966fee1b49eb3e8f46f3f1d033bcdee0b35d193b42e3f515720a51803507d33 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1966fee1b49eb3e8f46f3f1d033bcdee0b35d193b42e3f515720a51803507d33", kill_on_drop: false }` [INFO] [stderr] Compiling hello_rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `y` [INFO] [stdout] --> src/main.rs:135:9 [INFO] [stdout] | [INFO] [stdout] 135 | let y:(i32,&str) = (2,"word"); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `z` is assigned to, but never used [INFO] [stdout] --> src/main.rs:136:9 [INFO] [stdout] | [INFO] [stdout] 136 | let mut z = (1,"rust"); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_z` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `z` is never read [INFO] [stdout] --> src/main.rs:138:5 [INFO] [stdout] | [INFO] [stdout] 138 | z = x ; [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: unused variable: `b` [INFO] [stdout] --> src/main.rs:141:12 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:141:14 [INFO] [stdout] | [INFO] [stdout] 141 | let (a,b,c ) = (4,5,6); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `complete` [INFO] [stdout] --> src/main.rs:156:9 [INFO] [stdout] | [INFO] [stdout] 156 | let complete = &a[..]; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_complete` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `middle` [INFO] [stdout] --> src/main.rs:157:9 [INFO] [stdout] | [INFO] [stdout] 157 | let middle = &a[2..4]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `b` [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:169:9 [INFO] [stdout] | [INFO] [stdout] 169 | let c = [0;20]; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:167:9 [INFO] [stdout] | [INFO] [stdout] 167 | let mut b = [4,5,6]; [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: `shutdown_iterator` [INFO] [stdout] --> src/main.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn shutdown_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_iterator` [INFO] [stdout] --> src/main.rs:67:4 [INFO] [stdout] | [INFO] [stdout] 67 | fn test_iterator(){ [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rust_loop` [INFO] [stdout] --> src/main.rs:76:4 [INFO] [stdout] | [INFO] [stdout] 76 | fn rust_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_if` [INFO] [stdout] --> src/main.rs:112:4 [INFO] [stdout] | [INFO] [stdout] 112 | fn test_if(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_tuple` [INFO] [stdout] --> src/main.rs:133:4 [INFO] [stdout] | [INFO] [stdout] 133 | fn test_tuple(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_slice` [INFO] [stdout] --> src/main.rs:153:4 [INFO] [stdout] | [INFO] [stdout] 153 | fn test_slice(){ [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_arr1` [INFO] [stdout] --> src/main.rs:162:4 [INFO] [stdout] | [INFO] [stdout] 162 | fn test_arr1(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `plus_one` [INFO] [stdout] --> src/main.rs:173:4 [INFO] [stdout] | [INFO] [stdout] 173 | fn plus_one(i: i32) -> i32{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `diverges` [INFO] [stdout] --> src/main.rs:179:4 [INFO] [stdout] | [INFO] [stdout] 179 | fn diverges()->!{ [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `func1` [INFO] [stdout] --> src/main.rs:185:4 [INFO] [stdout] | [INFO] [stdout] 185 | fn func1(x: i32, y :i32)->i32{ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `test_loop` [INFO] [stdout] --> src/main.rs:190:4 [INFO] [stdout] | [INFO] [stdout] 190 | fn test_loop(){ [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compare` [INFO] [stdout] --> src/main.rs:223:4 [INFO] [stdout] | [INFO] [stdout] 223 | fn compare(){ [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `rand_number` [INFO] [stdout] --> src/main.rs:242:4 [INFO] [stdout] | [INFO] [stdout] 242 | fn rand_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `show_number` [INFO] [stdout] --> src/main.rs:255:4 [INFO] [stdout] | [INFO] [stdout] 255 | fn show_number() { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 24 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.45s [INFO] running `Command { std: "docker" "inspect" "1966fee1b49eb3e8f46f3f1d033bcdee0b35d193b42e3f515720a51803507d33", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1966fee1b49eb3e8f46f3f1d033bcdee0b35d193b42e3f515720a51803507d33", kill_on_drop: false }` [INFO] [stdout] 1966fee1b49eb3e8f46f3f1d033bcdee0b35d193b42e3f515720a51803507d33 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] eb877c01877155e2b770639f35e26ac92bd8e37f18bee52ca785e01f5630fabc [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "eb877c01877155e2b770639f35e26ac92bd8e37f18bee52ca785e01f5630fabc", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] warning: unused variable: `y` [INFO] [stderr] --> src/main.rs:135:9 [INFO] [stderr] | [INFO] [stderr] 135 | let y:(i32,&str) = (2,"word"); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_y` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `z` is assigned to, but never used [INFO] [stderr] --> src/main.rs:136:9 [INFO] [stderr] | [INFO] [stderr] 136 | let mut z = (1,"rust"); [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_z` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `z` is never read [INFO] [stderr] --> src/main.rs:138:5 [INFO] [stderr] | [INFO] [stderr] 138 | z = x ; [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: unused variable: `b` [INFO] [stderr] --> src/main.rs:141:12 [INFO] [stderr] | [INFO] [stderr] 141 | let (a,b,c ) = (4,5,6); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/main.rs:141:14 [INFO] [stderr] | [INFO] [stderr] 141 | let (a,b,c ) = (4,5,6); [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `complete` [INFO] [stderr] --> src/main.rs:156:9 [INFO] [stderr] | [INFO] [stderr] 156 | let complete = &a[..]; [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_complete` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `middle` [INFO] [stderr] --> src/main.rs:157:9 [INFO] [stderr] | [INFO] [stderr] 157 | let middle = &a[2..4]; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_middle` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `b` [INFO] [stderr] --> src/main.rs:167:9 [INFO] [stderr] | [INFO] [stderr] 167 | let mut b = [4,5,6]; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_b` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/main.rs:169:9 [INFO] [stderr] | [INFO] [stderr] 169 | let c = [0;20]; [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:167:9 [INFO] [stderr] | [INFO] [stderr] 167 | let mut b = [4,5,6]; [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: `shutdown_iterator` [INFO] [stderr] --> src/main.rs:45:4 [INFO] [stderr] | [INFO] [stderr] 45 | fn shutdown_iterator(){ [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_iterator` [INFO] [stderr] --> src/main.rs:67:4 [INFO] [stderr] | [INFO] [stderr] 67 | fn test_iterator(){ [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `rust_loop` [INFO] [stderr] --> src/main.rs:76:4 [INFO] [stderr] | [INFO] [stderr] 76 | fn rust_loop(){ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_if` [INFO] [stderr] --> src/main.rs:112:4 [INFO] [stderr] | [INFO] [stderr] 112 | fn test_if(){ [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_tuple` [INFO] [stderr] --> src/main.rs:133:4 [INFO] [stderr] | [INFO] [stderr] 133 | fn test_tuple(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_slice` [INFO] [stderr] --> src/main.rs:153:4 [INFO] [stderr] | [INFO] [stderr] 153 | fn test_slice(){ [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_arr1` [INFO] [stderr] --> src/main.rs:162:4 [INFO] [stderr] | [INFO] [stderr] 162 | fn test_arr1(){ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `plus_one` [INFO] [stderr] --> src/main.rs:173:4 [INFO] [stderr] | [INFO] [stderr] 173 | fn plus_one(i: i32) -> i32{ [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `diverges` [INFO] [stderr] --> src/main.rs:179:4 [INFO] [stderr] | [INFO] [stderr] 179 | fn diverges()->!{ [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `func1` [INFO] [stderr] --> src/main.rs:185:4 [INFO] [stderr] | [INFO] [stderr] 185 | fn func1(x: i32, y :i32)->i32{ [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `test_loop` [INFO] [stderr] --> src/main.rs:190:4 [INFO] [stderr] | [INFO] [stderr] 190 | fn test_loop(){ [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `compare` [INFO] [stderr] --> src/main.rs:223:4 [INFO] [stderr] | [INFO] [stderr] 223 | fn compare(){ [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `rand_number` [INFO] [stderr] --> src/main.rs:242:4 [INFO] [stderr] | [INFO] [stderr] 242 | fn rand_number() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `show_number` [INFO] [stderr] --> src/main.rs:255:4 [INFO] [stderr] | [INFO] [stderr] 255 | fn show_number() { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 24 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.52s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/hello_rust-b0599e6930d77eb7 [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 `Command { std: "docker" "inspect" "eb877c01877155e2b770639f35e26ac92bd8e37f18bee52ca785e01f5630fabc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eb877c01877155e2b770639f35e26ac92bd8e37f18bee52ca785e01f5630fabc", kill_on_drop: false }` [INFO] [stdout] eb877c01877155e2b770639f35e26ac92bd8e37f18bee52ca785e01f5630fabc