[INFO] cloning repository https://github.com/jaypatel208/number-guess [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jaypatel208/number-guess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaypatel208%2Fnumber-guess", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaypatel208%2Fnumber-guess'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d438fd7da24e14b456514e9d1e25c91d48a97da0 [INFO] checking jaypatel208/number-guess against master#0e517d38ad0e72f93c734b14fabd4bb9b7441de6 for pr-140557-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjaypatel208%2Fnumber-guess" "/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/jaypatel208/number-guess on toolchain 0e517d38ad0e72f93c734b14fabd4bb9b7441de6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jaypatel208/number-guess [INFO] finished tweaking git repo https://github.com/jaypatel208/number-guess [INFO] tweaked toml for git repo https://github.com/jaypatel208/number-guess written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jaypatel208/number-guess 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" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded getrandom v0.2.12 [INFO] [stderr] Downloaded libc v0.2.152 [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5b283df0ccdeecc027408cc852ff5aecd52eee7a4165685eece42c47f41a00be [INFO] running `Command { std: "docker" "start" "-a" "5b283df0ccdeecc027408cc852ff5aecd52eee7a4165685eece42c47f41a00be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5b283df0ccdeecc027408cc852ff5aecd52eee7a4165685eece42c47f41a00be", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5b283df0ccdeecc027408cc852ff5aecd52eee7a4165685eece42c47f41a00be", kill_on_drop: false }` [INFO] [stdout] 5b283df0ccdeecc027408cc852ff5aecd52eee7a4165685eece42c47f41a00be [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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+0e517d38ad0e72f93c734b14fabd4bb9b7441de6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] addb49219496f3c4f94d811e4c184166570e26c30db6cd0716369b63ff458f4b [INFO] running `Command { std: "docker" "start" "-a" "addb49219496f3c4f94d811e4c184166570e26c30db6cd0716369b63ff458f4b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.152 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking control-flow v0.1.0 (/opt/rustwide/workdir/src/control-flow) [INFO] [stderr] Checking enum-examples v0.1.0 (/opt/rustwide/workdir/src/enum-examples) [INFO] [stderr] Checking references-and-borrowing v0.1.0 (/opt/rustwide/workdir/src/references-and-borrowing) [INFO] [stderr] Checking the-slice-type v0.1.0 (/opt/rustwide/workdir/src/the-slice-type) [INFO] [stderr] Checking ownership v0.1.0 (/opt/rustwide/workdir/src/ownership) [INFO] [stderr] Checking structs v0.1.0 (/opt/rustwide/workdir/src/structs) [INFO] [stderr] Checking functions v0.1.0 (/opt/rustwide/workdir/src/functions) [INFO] [stderr] Checking rectangles v0.1.0 (/opt/rustwide/workdir/src/rectangles) [INFO] [stderr] Checking variables v0.1.0 (/opt/rustwide/workdir/src/variables) [INFO] [stdout] warning: unused variable: `s3` [INFO] [stdout] --> src/ownership/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let s3 = gives_ownership(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s5` [INFO] [stdout] --> src/ownership/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let s5 = takes_and_gives_back(s4); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s3` [INFO] [stdout] --> src/ownership/src/main.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | let s3 = gives_ownership(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s3` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s5` [INFO] [stdout] --> src/ownership/src/main.rs:21:9 [INFO] [stdout] | [INFO] [stdout] 21 | let s5 = takes_and_gives_back(s4); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_s5` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enum-examples/src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let home = IpAddrKind::V4(127, 0, 0, 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/enum-examples/src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let loopback = IpAddrKind::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/enum-examples/src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn plus_one(x:Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/enum-examples/src/main.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 27 - V4(u8, u8, u8, u8), [INFO] [stdout] 27 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enum-examples/src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - V6(String), [INFO] [stdout] 28 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/enum-examples/src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 32 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 33 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Alabama` is never constructed [INFO] [stdout] --> src/enum-examples/src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 40 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `home` [INFO] [stdout] --> src/enum-examples/src/main.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | let home = IpAddrKind::V4(127, 0, 0, 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_home` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `loopback` [INFO] [stdout] --> src/enum-examples/src/main.rs:3:9 [INFO] [stdout] | [INFO] [stdout] 3 | let loopback = IpAddrKind::V6(String::from("::1")); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_loopback` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `plus_one` is never used [INFO] [stdout] --> src/enum-examples/src/main.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn plus_one(x:Option) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `0`, `1`, `2`, and `3` are never read [INFO] [stdout] --> src/enum-examples/src/main.rs:27:8 [INFO] [stdout] | [INFO] [stdout] 27 | V4(u8, u8, u8, u8), [INFO] [stdout] | -- ^^ ^^ ^^ ^^ [INFO] [stdout] | | [INFO] [stdout] | fields in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields [INFO] [stdout] | [INFO] [stdout] 27 - V4(u8, u8, u8, u8), [INFO] [stdout] 27 + V4((), (), (), ()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/enum-examples/src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 28 | V6(String), [INFO] [stdout] | -- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 28 - V6(String), [INFO] [stdout] 28 + V6(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Penny`, `Nickel`, and `Dime` are never constructed [INFO] [stdout] --> src/enum-examples/src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 31 | enum Coin { [INFO] [stdout] | ---- variants in this enum [INFO] [stdout] 32 | Penny, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 33 | Nickel, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 34 | Dime, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Alabama` is never constructed [INFO] [stdout] --> src/enum-examples/src/main.rs:40:5 [INFO] [stdout] | [INFO] [stdout] 39 | enum UsState { [INFO] [stdout] | ------- variant in this enum [INFO] [stdout] 40 | Alabama, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `UsState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `square` is never used [INFO] [stdout] --> src/rectangles/src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl Rectangle { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | fn square(size: u32) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `subject` [INFO] [stdout] --> src/structs/src/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let subject = SeeYou; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `subject` [INFO] [stdout] --> src/structs/src/main.rs:47:9 [INFO] [stdout] | [INFO] [stdout] 47 | let subject = SeeYou; [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_subject` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `square` is never used [INFO] [stdout] --> src/rectangles/src/main.rs:28:8 [INFO] [stdout] | [INFO] [stdout] 15 | impl Rectangle { [INFO] [stdout] | -------------- associated function in this implementation [INFO] [stdout] ... [INFO] [stdout] 28 | fn square(size: u32) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking number-guess v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.93s [INFO] running `Command { std: "docker" "inspect" "addb49219496f3c4f94d811e4c184166570e26c30db6cd0716369b63ff458f4b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "addb49219496f3c4f94d811e4c184166570e26c30db6cd0716369b63ff458f4b", kill_on_drop: false }` [INFO] [stdout] addb49219496f3c4f94d811e4c184166570e26c30db6cd0716369b63ff458f4b