[INFO] cloning repository https://github.com/Avi-D-coder/gc-generic-std [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Avi-D-coder/gc-generic-std" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-generic-std", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-generic-std'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d0a094a47d2a4e57efcf9b222d91bbda431475f4 [INFO] checking Avi-D-coder/gc-generic-std against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAvi-D-coder%2Fgc-generic-std" "/workspace/builds/worker-5/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Avi-D-coder/gc-generic-std on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Avi-D-coder/gc-generic-std [INFO] finished tweaking git repo https://github.com/Avi-D-coder/gc-generic-std [INFO] tweaked toml for git repo https://github.com/Avi-D-coder/gc-generic-std written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Avi-D-coder/gc-generic-std already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 31b1b9251dbfab757c4bf191beaaad02a09a5055869a18485f4bca75215a1083 [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" "31b1b9251dbfab757c4bf191beaaad02a09a5055869a18485f4bca75215a1083", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31b1b9251dbfab757c4bf191beaaad02a09a5055869a18485f4bca75215a1083", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31b1b9251dbfab757c4bf191beaaad02a09a5055869a18485f4bca75215a1083", kill_on_drop: false }` [INFO] [stdout] 31b1b9251dbfab757c4bf191beaaad02a09a5055869a18485f4bca75215a1083 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0448ab5767be5e5ddae1c5b07d320ffeae33bf587d81dfc0d876841aaad59d0b [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" "0448ab5767be5e5ddae1c5b07d320ffeae33bf587d81dfc0d876841aaad59d0b", kill_on_drop: false }` [INFO] [stderr] Checking generic-std v0.1.0 [INFO] [stderr] Checking gc-generic-std v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:201:17 [INFO] [stdout] | [INFO] [stdout] 201 | let e = todo!(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arena` [INFO] [stdout] --> src/main.rs:197:13 [INFO] [stdout] | [INFO] [stdout] 197 | arena: &'a Arena, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/main.rs:198:13 [INFO] [stdout] | [INFO] [stdout] 198 | next: impl TyEq>, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | value: impl TyEq, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/main.rs:233:27 [INFO] [stdout] | [INFO] [stdout] 233 | Gc(Elem { next, value: v }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `next: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `gc` [INFO] [stdout] --> src/main.rs:196:16 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn gc<'r, 'a: 'r>( [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cons` [INFO] [stdout] --> src/main.rs:222:16 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn cons<'r, 'a: 'r>( [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/main.rs:243:16 [INFO] [stdout] | [INFO] [stdout] 243 | pub fn insert<'r, 'a: 'r>( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/main.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | key: K, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/main.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | size: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `left` [INFO] [stdout] --> src/main.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | left: Map<'r, K, V>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `right` [INFO] [stdout] --> src/main.rs:264:9 [INFO] [stdout] | [INFO] [stdout] 264 | right: Map<'r, K, V>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/main.rs:265:9 [INFO] [stdout] | [INFO] [stdout] 265 | value: V, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MapC` [INFO] [stdout] --> src/main.rs:270:16 [INFO] [stdout] | [INFO] [stdout] 270 | pub struct MapC<'r, K0: UnPlugLife, V0: UnPlugLife>(Option>>); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NodeC` [INFO] [stdout] --> src/main.rs:271:16 [INFO] [stdout] | [INFO] [stdout] 271 | pub struct NodeC< [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:34:14 [INFO] [stdout] | [INFO] [stdout] 34 | fn a<'a>(t: ::T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:35:14 [INFO] [stdout] | [INFO] [stdout] 35 | fn b<'a>(t: ::T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:36:29 [INFO] [stdout] | [INFO] [stdout] 36 | fn c<'a, T: UnPlugLife>(t: as UnPlugLife>::T) {} [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/main.rs:201:17 [INFO] [stdout] | [INFO] [stdout] 201 | let e = todo!(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `arena` [INFO] [stdout] --> src/main.rs:197:13 [INFO] [stdout] | [INFO] [stdout] 197 | arena: &'a Arena, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_arena` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/main.rs:198:13 [INFO] [stdout] | [INFO] [stdout] 198 | next: impl TyEq>, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `value` [INFO] [stdout] --> src/main.rs:199:13 [INFO] [stdout] | [INFO] [stdout] 199 | value: impl TyEq, [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/main.rs:233:27 [INFO] [stdout] | [INFO] [stdout] 233 | Gc(Elem { next, value: v }) => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `next: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `t` [INFO] [stdout] --> src/main.rs:357:17 [INFO] [stdout] | [INFO] [stdout] 357 | let t: Gc>> = b; [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_t` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:356:45 [INFO] [stdout] | [INFO] [stdout] 356 | fn bad1<'a, 'b, T: Eq + UnPlugLife>(a: Gc<'a, Gc<'a, T>>, b: Ty<'b, Gc>>) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `a` [INFO] [stdout] --> src/main.rs:34:8 [INFO] [stdout] | [INFO] [stdout] 34 | fn a<'a>(t: ::T) {} [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `b` [INFO] [stdout] --> src/main.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | fn b<'a>(t: ::T) {} [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `c` [INFO] [stdout] --> src/main.rs:36:8 [INFO] [stdout] | [INFO] [stdout] 36 | fn c<'a, T: UnPlugLife>(t: as UnPlugLife>::T) {} [INFO] [stdout] | ^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `lifes` [INFO] [stdout] --> src/main.rs:72:8 [INFO] [stdout] | [INFO] [stdout] 72 | fn lifes<'a, 'b, T: for<'l> PlugLife<'l>>() { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `gc` [INFO] [stdout] --> src/main.rs:196:16 [INFO] [stdout] | [INFO] [stdout] 196 | pub fn gc<'r, 'a: 'r>( [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `cons` [INFO] [stdout] --> src/main.rs:222:16 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn cons<'r, 'a: 'r>( [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `insert` [INFO] [stdout] --> src/main.rs:243:16 [INFO] [stdout] | [INFO] [stdout] 243 | pub fn insert<'r, 'a: 'r>( [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `key` [INFO] [stdout] --> src/main.rs:261:9 [INFO] [stdout] | [INFO] [stdout] 261 | key: K, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `size` [INFO] [stdout] --> src/main.rs:262:9 [INFO] [stdout] | [INFO] [stdout] 262 | size: usize, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `left` [INFO] [stdout] --> src/main.rs:263:9 [INFO] [stdout] | [INFO] [stdout] 263 | left: Map<'r, K, V>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `right` [INFO] [stdout] --> src/main.rs:264:9 [INFO] [stdout] | [INFO] [stdout] 264 | right: Map<'r, K, V>, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `value` [INFO] [stdout] --> src/main.rs:265:9 [INFO] [stdout] | [INFO] [stdout] 265 | value: V, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `MapC` [INFO] [stdout] --> src/main.rs:270:16 [INFO] [stdout] | [INFO] [stdout] 270 | pub struct MapC<'r, K0: UnPlugLife, V0: UnPlugLife>(Option>>); [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `NodeC` [INFO] [stdout] --> src/main.rs:271:16 [INFO] [stdout] | [INFO] [stdout] 271 | pub struct NodeC< [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `good` [INFO] [stdout] --> src/main.rs:344:12 [INFO] [stdout] | [INFO] [stdout] 344 | fn good<'a, 'b, T: Eq>(a: Gc<'a, Gc<'a, T>>, b: Gc<'b, Gc<'b, T>>) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bad` [INFO] [stdout] --> src/main.rs:352:12 [INFO] [stdout] | [INFO] [stdout] 352 | fn bad<'a, 'b>(a: Ty<'a, usize>, b: Ty<'b, Gc>>) -> bool { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `bad1` [INFO] [stdout] --> src/main.rs:356:12 [INFO] [stdout] | [INFO] [stdout] 356 | fn bad1<'a, 'b, T: Eq + UnPlugLife>(a: Gc<'a, Gc<'a, T>>, b: Ty<'b, Gc>>) -> bool { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 27 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "0448ab5767be5e5ddae1c5b07d320ffeae33bf587d81dfc0d876841aaad59d0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0448ab5767be5e5ddae1c5b07d320ffeae33bf587d81dfc0d876841aaad59d0b", kill_on_drop: false }` [INFO] [stdout] 0448ab5767be5e5ddae1c5b07d320ffeae33bf587d81dfc0d876841aaad59d0b