[INFO] cloning repository https://github.com/urey-hiker/rustList_test [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/urey-hiker/rustList_test" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furey-hiker%2FrustList_test", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furey-hiker%2FrustList_test'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1610c6408e4c9cf2174d38915a4a3b79659124ae [INFO] checking urey-hiker/rustList_test against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Furey-hiker%2FrustList_test" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/urey-hiker/rustList_test [INFO] finished tweaking git repo https://github.com/urey-hiker/rustList_test [INFO] tweaked toml for git repo https://github.com/urey-hiker/rustList_test written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/urey-hiker/rustList_test on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/urey-hiker/rustList_test 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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c0076eb2cf2148e5e7d0651af8122765552fbd9661612f3f89737061ae3f6d95 [INFO] running `Command { std: "docker" "start" "-a" "c0076eb2cf2148e5e7d0651af8122765552fbd9661612f3f89737061ae3f6d95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c0076eb2cf2148e5e7d0651af8122765552fbd9661612f3f89737061ae3f6d95", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c0076eb2cf2148e5e7d0651af8122765552fbd9661612f3f89737061ae3f6d95", kill_on_drop: false }` [INFO] [stdout] c0076eb2cf2148e5e7d0651af8122765552fbd9661612f3f89737061ae3f6d95 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dfad74e5dbcf5cfca56fb7b102816d2096a6e4c3c36c393c365f8be613364a3b [INFO] running `Command { std: "docker" "start" "-a" "dfad74e5dbcf5cfca56fb7b102816d2096a6e4c3c36c393c365f8be613364a3b", kill_on_drop: false }` [INFO] [stderr] Checking list_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `val` and `next` are never read [INFO] [stdout] --> src/listC.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | struct Node { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 8 | val: T, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | next: Link, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `List` is never constructed [INFO] [stdout] --> src/listC.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | struct List { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Inter` is never constructed [INFO] [stdout] --> src/listC.rs:17:8 [INFO] [stdout] | [INFO] [stdout] 17 | struct Inter { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/listC.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl List { [INFO] [stdout] | ----------------------------- associated items in this implementation [INFO] [stdout] 38 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 45 | fn IntoIter(&mut self) -> Inter { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 51 | fn push(&mut self, v: T) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 66 | fn pop_front(&mut self) -> Link { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 80 | fn pop_front_val(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn peek_front(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 103 | fn peek_front_ref(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 111 | fn peek_front_refMut(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `IntoIter` should have a snake case name [INFO] [stdout] --> src/listC.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn IntoIter(&mut self) -> Inter { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `into_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_front` is never used [INFO] [stdout] --> src/listC.rs:94:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl List { [INFO] [stdout] | ----------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 94 | fn peek_front(&self) -> Option { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/listC.rs:103:23 [INFO] [stdout] | [INFO] [stdout] 103 | fn peek_front_ref(&self) -> Option> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 103 | fn peek_front_ref(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_front_refMut` should have a snake case name [INFO] [stdout] --> src/listC.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn peek_front_refMut(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `peek_front_ref_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/listC.rs:111:26 [INFO] [stdout] | [INFO] [stdout] 111 | fn peek_front_refMut(&self) -> Option> { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | fn peek_front_refMut(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `IntoIter` should have a snake case name [INFO] [stdout] --> src/listC.rs:45:8 [INFO] [stdout] | [INFO] [stdout] 45 | fn IntoIter(&mut self) -> Inter { [INFO] [stdout] | ^^^^^^^^ help: convert the identifier to snake case: `into_iter` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/listC.rs:103:23 [INFO] [stdout] | [INFO] [stdout] 103 | fn peek_front_ref(&self) -> Option> { [INFO] [stdout] | ^^^^^ ------ the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 103 | fn peek_front_ref(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `peek_front_refMut` should have a snake case name [INFO] [stdout] --> src/listC.rs:111:8 [INFO] [stdout] | [INFO] [stdout] 111 | fn peek_front_refMut(&self) -> Option> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `peek_front_ref_mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/listC.rs:111:26 [INFO] [stdout] | [INFO] [stdout] 111 | fn peek_front_refMut(&self) -> Option> { [INFO] [stdout] | ^^^^^ --------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 111 | fn peek_front_refMut(&self) -> Option> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `ListC` should have a snake case name [INFO] [stdout] --> src/listC.rs:124:8 [INFO] [stdout] | [INFO] [stdout] 124 | fn ListC() { [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `list_c` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "dfad74e5dbcf5cfca56fb7b102816d2096a6e4c3c36c393c365f8be613364a3b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dfad74e5dbcf5cfca56fb7b102816d2096a6e4c3c36c393c365f8be613364a3b", kill_on_drop: false }` [INFO] [stdout] dfad74e5dbcf5cfca56fb7b102816d2096a6e4c3c36c393c365f8be613364a3b