[INFO] cloning repository https://github.com/KatekovAnton/learnrust [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KatekovAnton/learnrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatekovAnton%2Flearnrust", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatekovAnton%2Flearnrust'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 749d9ed150f779b687d2208933c1eac7da491cb0 [INFO] checking KatekovAnton/learnrust against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKatekovAnton%2Flearnrust" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/KatekovAnton/learnrust on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/KatekovAnton/learnrust [INFO] finished tweaking git repo https://github.com/KatekovAnton/learnrust [INFO] tweaked toml for git repo https://github.com/KatekovAnton/learnrust written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/KatekovAnton/learnrust already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b6790f3fdfc5878dd1fc4c6d235f3f846eca7dc294e49c3c6860ec2e1ac79280 [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" "b6790f3fdfc5878dd1fc4c6d235f3f846eca7dc294e49c3c6860ec2e1ac79280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b6790f3fdfc5878dd1fc4c6d235f3f846eca7dc294e49c3c6860ec2e1ac79280", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6790f3fdfc5878dd1fc4c6d235f3f846eca7dc294e49c3c6860ec2e1ac79280", kill_on_drop: false }` [INFO] [stdout] b6790f3fdfc5878dd1fc4c6d235f3f846eca7dc294e49c3c6860ec2e1ac79280 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a8dcba43d042ab765b87d892db3733b90318e7b0316e96b34b842a31030a0ec [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" "7a8dcba43d042ab765b87d892db3733b90318e7b0316e96b34b842a31030a0ec", kill_on_drop: false }` [INFO] [stderr] Checking hello_cargo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let h = human::Human{name: String::from("Anton"), age: 34}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut a1: aaa::TestObject = aaa::TestObject::new(1); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut a2: aaa::TestObject = aaa::TestObject::new_simple(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x1` [INFO] [stdout] --> src/main.rs:112:42 [INFO] [stdout] | [INFO] [stdout] 112 | let Rectangle { top_left: Point { x: ref x1, y: ref y1 }, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y1` [INFO] [stdout] --> src/main.rs:112:53 [INFO] [stdout] | [INFO] [stdout] 112 | let Rectangle { top_left: Point { x: ref x1, y: ref y1 }, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x2` [INFO] [stdout] --> src/main.rs:113:46 [INFO] [stdout] | [INFO] [stdout] 113 | bottom_right: Point { x: ref x2, y: ref y2 } } = rect; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y2` [INFO] [stdout] --> src/main.rs:113:57 [INFO] [stdout] | [INFO] [stdout] 113 | bottom_right: Point { x: ref x2, y: ref y2 } } = rect; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut a1: aaa::TestObject = aaa::TestObject::new(1); [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:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut a2: aaa::TestObject = aaa::TestObject::new_simple(); [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/main.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | let mut x: &i32; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Unit` [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Unit; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Pair(i32, f32); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `h` [INFO] [stdout] --> src/main.rs:84:9 [INFO] [stdout] | [INFO] [stdout] 84 | let h = human::Human{name: String::from("Anton"), age: 34}; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_h` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a1` [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut a1: aaa::TestObject = aaa::TestObject::new(1); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a2` [INFO] [stdout] --> src/main.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut a2: aaa::TestObject = aaa::TestObject::new_simple(); [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_a2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x1` [INFO] [stdout] --> src/main.rs:112:42 [INFO] [stdout] | [INFO] [stdout] 112 | let Rectangle { top_left: Point { x: ref x1, y: ref y1 }, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y1` [INFO] [stdout] --> src/main.rs:112:53 [INFO] [stdout] | [INFO] [stdout] 112 | let Rectangle { top_left: Point { x: ref x1, y: ref y1 }, [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y1` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x2` [INFO] [stdout] --> src/main.rs:113:46 [INFO] [stdout] | [INFO] [stdout] 113 | bottom_right: Point { x: ref x2, y: ref y2 } } = rect; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_x2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `y2` [INFO] [stdout] --> src/main.rs:113:57 [INFO] [stdout] | [INFO] [stdout] 113 | bottom_right: Point { x: ref x2, y: ref y2 } } = rect; [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_y2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:85:9 [INFO] [stdout] | [INFO] [stdout] 85 | let mut a1: aaa::TestObject = aaa::TestObject::new(1); [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:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut a2: aaa::TestObject = aaa::TestObject::new_simple(); [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/main.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | let mut x: &i32; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Unit` [INFO] [stdout] --> src/main.rs:11:8 [INFO] [stdout] | [INFO] [stdout] 11 | struct Unit; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `Pair` [INFO] [stdout] --> src/main.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | struct Pair(i32, f32); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.47s [INFO] running `Command { std: "docker" "inspect" "7a8dcba43d042ab765b87d892db3733b90318e7b0316e96b34b842a31030a0ec", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a8dcba43d042ab765b87d892db3733b90318e7b0316e96b34b842a31030a0ec", kill_on_drop: false }` [INFO] [stdout] 7a8dcba43d042ab765b87d892db3733b90318e7b0316e96b34b842a31030a0ec