[INFO] cloning repository https://github.com/altaurog/rust-traits [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/altaurog/rust-traits" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltaurog%2Frust-traits", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltaurog%2Frust-traits'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e0f8e9c8c8db9614c0b4b71a2a2db15c297d845 [INFO] checking altaurog/rust-traits against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faltaurog%2Frust-traits" "/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/altaurog/rust-traits on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/altaurog/rust-traits [INFO] finished tweaking git repo https://github.com/altaurog/rust-traits [INFO] tweaked toml for git repo https://github.com/altaurog/rust-traits written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/altaurog/rust-traits already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5c562be1f20d7d73445fad296c73be21d0c1df7a03669c507203433f5ff5ba71 [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" "5c562be1f20d7d73445fad296c73be21d0c1df7a03669c507203433f5ff5ba71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5c562be1f20d7d73445fad296c73be21d0c1df7a03669c507203433f5ff5ba71", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5c562be1f20d7d73445fad296c73be21d0c1df7a03669c507203433f5ff5ba71", kill_on_drop: false }` [INFO] [stdout] 5c562be1f20d7d73445fad296c73be21d0c1df7a03669c507203433f5ff5ba71 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cabdf70071f4241df75bef159a1f5f22abdc71ca7717cbdb7c17bebdf256a60a [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" "cabdf70071f4241df75bef159a1f5f22abdc71ca7717cbdb7c17bebdf256a60a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.26 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling peg-macros v0.7.0 [INFO] [stderr] Checking peg v0.7.0 [INFO] [stderr] Checking typeclasses v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/parse.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/parse.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `eval` [INFO] [stdout] --> src/eval.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 12 | pub fn eval(expr: &ExprT) -> i32 { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `eval_str` [INFO] [stdout] --> src/parse.rs:14:8 [INFO] [stdout] | [INFO] [stdout] 14 | pub fn eval_str(input: String) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `parse_exp` [INFO] [stdout] --> src/parse.rs:18:8 [INFO] [stdout] | [INFO] [stdout] 18 | pub fn parse_exp(input: String) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `exprt_to_expr` [INFO] [stdout] --> src/parse.rs:25:8 [INFO] [stdout] | [INFO] [stdout] 25 | pub fn exprt_to_expr(exprt: &ExprT) -> T { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `IVal` [INFO] [stdout] --> src/stackvm.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | IVal(i32), [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `BVal` [INFO] [stdout] --> src/stackvm.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | BVal(bool), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Void` [INFO] [stdout] --> src/stackvm.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | Void, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type alias is never used: `Stack` [INFO] [stdout] --> src/stackvm.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | pub type Stack = VecDeque; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `stackvm` [INFO] [stdout] --> src/stackvm.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 23 | pub fn stackvm<'a>(program: Program) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `err_type` [INFO] [stdout] --> src/stackvm.rs:27:4 [INFO] [stdout] | [INFO] [stdout] 27 | fn err_type<'a, T>(op: &str) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `err_underflow` [INFO] [stdout] --> src/stackvm.rs:31:4 [INFO] [stdout] | [INFO] [stdout] 31 | fn err_underflow<'a, T>(op: &str) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `execute` [INFO] [stdout] --> src/stackvm.rs:35:4 [INFO] [stdout] | [INFO] [stdout] 35 | fn execute<'a>(stack: Stack, program: Program) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `compile` [INFO] [stdout] --> src/program.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 35 | pub fn compile(expr: String) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `with_vars` [INFO] [stdout] --> src/hasvars.rs:107:4 [INFO] [stdout] | [INFO] [stdout] 107 | fn with_vars(vals: Vec<(&str, i32)>, expr: SymbolMapExpr) -> Option [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 11.20s [INFO] running `Command { std: "docker" "inspect" "cabdf70071f4241df75bef159a1f5f22abdc71ca7717cbdb7c17bebdf256a60a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cabdf70071f4241df75bef159a1f5f22abdc71ca7717cbdb7c17bebdf256a60a", kill_on_drop: false }` [INFO] [stdout] cabdf70071f4241df75bef159a1f5f22abdc71ca7717cbdb7c17bebdf256a60a