[INFO] cloning repository https://github.com/shruthiakkal/rust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shruthiakkal/rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshruthiakkal%2Frust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshruthiakkal%2Frust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1c9badee316ca986c7a64e894ee1bdaf22becd54 [INFO] checking shruthiakkal/rust against master#336209eef13882bd1e211b24779584cb7ef911eb for pr-129249 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshruthiakkal%2Frust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/shruthiakkal/rust on toolchain 336209eef13882bd1e211b24779584cb7ef911eb [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/shruthiakkal/rust [INFO] finished tweaking git repo https://github.com/shruthiakkal/rust [INFO] tweaked toml for git repo https://github.com/shruthiakkal/rust written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/shruthiakkal/rust 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" "+336209eef13882bd1e211b24779584cb7ef911eb" "fetch" "--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-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 89c52cfefd69646beb96c354a97bf53d76f584e27629ef0bd5c399faf1c3293e [INFO] running `Command { std: "docker" "start" "-a" "89c52cfefd69646beb96c354a97bf53d76f584e27629ef0bd5c399faf1c3293e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "89c52cfefd69646beb96c354a97bf53d76f584e27629ef0bd5c399faf1c3293e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "89c52cfefd69646beb96c354a97bf53d76f584e27629ef0bd5c399faf1c3293e", kill_on_drop: false }` [INFO] [stdout] 89c52cfefd69646beb96c354a97bf53d76f584e27629ef0bd5c399faf1c3293e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+336209eef13882bd1e211b24779584cb7ef911eb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3f6b03f96cda448d30a0f288c936c701e15f80df91e4c3efdc730bc57a8e600b [INFO] running `Command { std: "docker" "start" "-a" "3f6b03f96cda448d30a0f288c936c701e15f80df91e4c3efdc730bc57a8e600b", kill_on_drop: false }` [INFO] [stderr] Checking rust v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:242:17 [INFO] [stdout] | [INFO] [stdout] 242 | let expt1 = (i32::MAX as i64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 242 - let expt1 = (i32::MAX as i64); [INFO] [stdout] 242 + let expt1 = i32::MAX as i64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:242:17 [INFO] [stdout] | [INFO] [stdout] 242 | let expt1 = (i32::MAX as i64); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 242 - let expt1 = (i32::MAX as i64); [INFO] [stdout] 242 + let expt1 = i32::MAX as i64; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `true_or_false` [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let true_or_false: bool = true; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_true_or_false` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `false_or_true` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let false_or_true: bool = false; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_false_or_true` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `character` [INFO] [stdout] --> src/main.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | let character: char = '9'; //single character --- requires single quote [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `character` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let character: char = ';'; //single character [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr2` [INFO] [stdout] --> src/main.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut arr2: [i32; 5] = [10, 20, 3, 500, 67]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arr2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/main.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | let v1: u8 = 200; // 0 to 255 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/main.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | let v2: i8 = 10; //-128 to 127 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `true_or_false` [INFO] [stdout] --> src/main.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let true_or_false: bool = true; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_true_or_false` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `false_or_true` [INFO] [stdout] --> src/main.rs:106:9 [INFO] [stdout] | [INFO] [stdout] 106 | let false_or_true: bool = false; [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_false_or_true` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `character` [INFO] [stdout] --> src/main.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | let character: char = '9'; //single character --- requires single quote [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `character` [INFO] [stdout] --> src/main.rs:110:9 [INFO] [stdout] | [INFO] [stdout] 110 | let character: char = ';'; //single character [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_character` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arr2` [INFO] [stdout] --> src/main.rs:148:13 [INFO] [stdout] | [INFO] [stdout] 148 | let mut arr2: [i32; 5] = [10, 20, 3, 500, 67]; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_arr2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v1` [INFO] [stdout] --> src/main.rs:190:9 [INFO] [stdout] | [INFO] [stdout] 190 | let v1: u8 = 200; // 0 to 255 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v2` [INFO] [stdout] --> src/main.rs:191:9 [INFO] [stdout] | [INFO] [stdout] 191 | let v2: i8 = 10; //-128 to 127 [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_v2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | let mut new2: u8 = 20; [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/main.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let mut arr2: [i32; 5] = [10, 20, 3, 500, 67]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_numbers` is never used [INFO] [stdout] --> src/main.rs:341:4 [INFO] [stdout] | [INFO] [stdout] 341 | fn add_numbers(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:96:9 [INFO] [stdout] | [INFO] [stdout] 96 | let mut new2: u8 = 20; [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/main.rs:148:9 [INFO] [stdout] | [INFO] [stdout] 148 | let mut arr2: [i32; 5] = [10, 20, 3, 500, 67]; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `add_numbers` is never used [INFO] [stdout] --> src/main.rs:341:4 [INFO] [stdout] | [INFO] [stdout] 341 | fn add_numbers(a: i32, b: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] running `Command { std: "docker" "inspect" "3f6b03f96cda448d30a0f288c936c701e15f80df91e4c3efdc730bc57a8e600b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f6b03f96cda448d30a0f288c936c701e15f80df91e4c3efdc730bc57a8e600b", kill_on_drop: false }` [INFO] [stdout] 3f6b03f96cda448d30a0f288c936c701e15f80df91e4c3efdc730bc57a8e600b