[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] b4ca0b3299b3411cf31c317da25713a05b47eb6a [INFO] checking Yichangcs/Ruscheme against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744 [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 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4891fb95c85897e6d2914da54e39a6701b83f654a1610991327cc0ed7ce83e62 [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" "4891fb95c85897e6d2914da54e39a6701b83f654a1610991327cc0ed7ce83e62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4891fb95c85897e6d2914da54e39a6701b83f654a1610991327cc0ed7ce83e62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4891fb95c85897e6d2914da54e39a6701b83f654a1610991327cc0ed7ce83e62", kill_on_drop: false }` [INFO] [stdout] 4891fb95c85897e6d2914da54e39a6701b83f654a1610991327cc0ed7ce83e62 [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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 48f98604f70ea9ca78ce704e01d0b68b78e492ced1a31fc610b7490af846084a [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" "48f98604f70ea9ca78ce704e01d0b68b78e492ced1a31fc610b7490af846084a", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Checking ruscheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `display::display::pretty_print` [INFO] [stdout] --> src/parser.rs:216:17 [INFO] [stdout] | [INFO] [stdout] 216 | 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:233:17 [INFO] [stdout] | [INFO] [stdout] 233 | 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:240:17 [INFO] [stdout] | [INFO] [stdout] 240 | 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:256:17 [INFO] [stdout] | [INFO] [stdout] 256 | 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:609:13 [INFO] [stdout] | [INFO] [stdout] 609 | / eval( [INFO] [stdout] 610 | | scheme_list!( [INFO] [stdout] 611 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 612 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 615 | | ENV.clone(), [INFO] [stdout] 616 | | ); [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:629:13 [INFO] [stdout] | [INFO] [stdout] 629 | / eval( [INFO] [stdout] 630 | | scheme_list!( [INFO] [stdout] 631 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 632 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 635 | | ENV.clone(), [INFO] [stdout] 636 | | ); [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:655:13 [INFO] [stdout] | [INFO] [stdout] 655 | / eval( [INFO] [stdout] 656 | | scheme_list!( [INFO] [stdout] 657 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 658 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 661 | | ENV.clone(), [INFO] [stdout] 662 | | ); [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:706:13 [INFO] [stdout] | [INFO] [stdout] 706 | / eval( [INFO] [stdout] 707 | | scheme_list!( [INFO] [stdout] 708 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 709 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 712 | | ENV.clone(), [INFO] [stdout] 713 | | ); [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:756:13 [INFO] [stdout] | [INFO] [stdout] 756 | / eval( [INFO] [stdout] 757 | | scheme_list!( [INFO] [stdout] 758 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 759 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 762 | | ENV.clone(), [INFO] [stdout] 763 | | ); [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:220:9 [INFO] [stdout] | [INFO] [stdout] 220 | 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:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | 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:248:9 [INFO] [stdout] | [INFO] [stdout] 248 | 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:257:9 [INFO] [stdout] | [INFO] [stdout] 257 | 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 17.86s [INFO] running `Command { std: "docker" "inspect" "48f98604f70ea9ca78ce704e01d0b68b78e492ced1a31fc610b7490af846084a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48f98604f70ea9ca78ce704e01d0b68b78e492ced1a31fc610b7490af846084a", kill_on_drop: false }` [INFO] [stdout] 48f98604f70ea9ca78ce704e01d0b68b78e492ced1a31fc610b7490af846084a