[INFO] cloning repository https://github.com/Yichangcs/Ruscheme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Yichangcs/Ruscheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYichangcs%2FRuscheme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYichangcs%2FRuscheme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f7e0ed91253ab2622abed30bb6c3aaa969eaba57 [INFO] checking Yichangcs/Ruscheme against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYichangcs%2FRuscheme" "/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/Yichangcs/Ruscheme on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Yichangcs/Ruscheme [INFO] finished tweaking git repo https://github.com/Yichangcs/Ruscheme [INFO] tweaked toml for git repo https://github.com/Yichangcs/Ruscheme written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/Yichangcs/Ruscheme already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2b143a03fa7855c4fdcc2bda1eebb8429ec9ab3b2572dd6cf90790ee3067134a [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" "2b143a03fa7855c4fdcc2bda1eebb8429ec9ab3b2572dd6cf90790ee3067134a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2b143a03fa7855c4fdcc2bda1eebb8429ec9ab3b2572dd6cf90790ee3067134a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b143a03fa7855c4fdcc2bda1eebb8429ec9ab3b2572dd6cf90790ee3067134a", kill_on_drop: false }` [INFO] [stdout] 2b143a03fa7855c4fdcc2bda1eebb8429ec9ab3b2572dd6cf90790ee3067134a [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8a23024f0157e19907e3a0af7356c1128532765b51e83b03fe3e5fefaec6cb91 [INFO] running `Command { std: "docker" "start" "-a" "8a23024f0157e19907e3a0af7356c1128532765b51e83b03fe3e5fefaec6cb91", kill_on_drop: false }` [INFO] [stderr] Checking ruscheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `display::display::pretty_print` [INFO] [stdout] --> src/parser.rs:284:17 [INFO] [stdout] | [INFO] [stdout] 284 | use crate::{display::display::pretty_print, scheme_list}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tokens` is never read [INFO] [stdout] --> src/parser.rs:301:17 [INFO] [stdout] | [INFO] [stdout] 301 | let mut tokens: Vec = vec![]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `ss` is never read [INFO] [stdout] --> src/parser.rs:308:17 [INFO] [stdout] | [INFO] [stdout] 308 | let mut ss: Vec = vec![]; [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tokens` is never read [INFO] [stdout] --> src/parser.rs:324:17 [INFO] [stdout] | [INFO] [stdout] 324 | let mut tokens: Vec = vec![]; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core_of_interpreter.rs:520:13 [INFO] [stdout] | [INFO] [stdout] 520 | / eval( [INFO] [stdout] 521 | | scheme_list!( [INFO] [stdout] 522 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 523 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 526 | | ENV.clone(), [INFO] [stdout] 527 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core_of_interpreter.rs:540:13 [INFO] [stdout] | [INFO] [stdout] 540 | / eval( [INFO] [stdout] 541 | | scheme_list!( [INFO] [stdout] 542 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 543 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 546 | | ENV.clone(), [INFO] [stdout] 547 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core_of_interpreter.rs:566:13 [INFO] [stdout] | [INFO] [stdout] 566 | / eval( [INFO] [stdout] 567 | | scheme_list!( [INFO] [stdout] 568 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 569 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 572 | | ENV.clone(), [INFO] [stdout] 573 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core_of_interpreter.rs:617:13 [INFO] [stdout] | [INFO] [stdout] 617 | / eval( [INFO] [stdout] 618 | | scheme_list!( [INFO] [stdout] 619 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 620 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 623 | | ENV.clone(), [INFO] [stdout] 624 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/core_of_interpreter.rs:667:13 [INFO] [stdout] | [INFO] [stdout] 667 | / eval( [INFO] [stdout] 668 | | scheme_list!( [INFO] [stdout] 669 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 670 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 673 | | ENV.clone(), [INFO] [stdout] 674 | | ); [INFO] [stdout] | |______________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser.rs:288:9 [INFO] [stdout] | [INFO] [stdout] 288 | read_scheme_programs_from_file(&mut programs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser.rs:302:9 [INFO] [stdout] | [INFO] [stdout] 302 | read_scheme_programs_from_file(&mut programs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser.rs:316:9 [INFO] [stdout] | [INFO] [stdout] 316 | read_scheme_programs_from_file(&mut programs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/parser.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 325 | read_scheme_programs_from_file(&mut programs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.17s [INFO] running `Command { std: "docker" "inspect" "8a23024f0157e19907e3a0af7356c1128532765b51e83b03fe3e5fefaec6cb91", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a23024f0157e19907e3a0af7356c1128532765b51e83b03fe3e5fefaec6cb91", kill_on_drop: false }` [INFO] [stdout] 8a23024f0157e19907e3a0af7356c1128532765b51e83b03fe3e5fefaec6cb91