[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] 72e78c39f2c56b6a64ab515c03289a0e7c9ea420 [INFO] checking Yichangcs/Ruscheme against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYichangcs%2FRuscheme" "/workspace/builds/worker-14/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Yichangcs/Ruscheme on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", 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] 31dc3ad9794a7eb15e4ff9625fe686fc1e3df395a57e7ba2b9e9395ab21b9202 [INFO] running `Command { std: "docker" "start" "-a" "31dc3ad9794a7eb15e4ff9625fe686fc1e3df395a57e7ba2b9e9395ab21b9202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31dc3ad9794a7eb15e4ff9625fe686fc1e3df395a57e7ba2b9e9395ab21b9202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31dc3ad9794a7eb15e4ff9625fe686fc1e3df395a57e7ba2b9e9395ab21b9202", kill_on_drop: false }` [INFO] [stdout] 31dc3ad9794a7eb15e4ff9625fe686fc1e3df395a57e7ba2b9e9395ab21b9202 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] be2ac2aaef7f48a7c07a96f6411b85e3151bf5a8a04ec59ca33334880b0fb65e [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" "be2ac2aaef7f48a7c07a96f6411b85e3151bf5a8a04ec59ca33334880b0fb65e", 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:577:13 [INFO] [stdout] | [INFO] [stdout] 577 | / eval( [INFO] [stdout] 578 | | scheme_list!( [INFO] [stdout] 579 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 580 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 583 | | ENV.clone(), [INFO] [stdout] 584 | | ); [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:597:13 [INFO] [stdout] | [INFO] [stdout] 597 | / eval( [INFO] [stdout] 598 | | scheme_list!( [INFO] [stdout] 599 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 600 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 603 | | ENV.clone(), [INFO] [stdout] 604 | | ); [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:623:13 [INFO] [stdout] | [INFO] [stdout] 623 | / eval( [INFO] [stdout] 624 | | scheme_list!( [INFO] [stdout] 625 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 626 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 629 | | ENV.clone(), [INFO] [stdout] 630 | | ); [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:674:13 [INFO] [stdout] | [INFO] [stdout] 674 | / eval( [INFO] [stdout] 675 | | scheme_list!( [INFO] [stdout] 676 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 677 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 680 | | ENV.clone(), [INFO] [stdout] 681 | | ); [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:724:13 [INFO] [stdout] | [INFO] [stdout] 724 | / eval( [INFO] [stdout] 725 | | scheme_list!( [INFO] [stdout] 726 | | Exp::Symbol("define".to_string()), [INFO] [stdout] 727 | | Exp::Symbol("x".to_string()), [INFO] [stdout] ... | [INFO] [stdout] 730 | | ENV.clone(), [INFO] [stdout] 731 | | ); [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 15.67s [INFO] running `Command { std: "docker" "inspect" "be2ac2aaef7f48a7c07a96f6411b85e3151bf5a8a04ec59ca33334880b0fb65e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "be2ac2aaef7f48a7c07a96f6411b85e3151bf5a8a04ec59ca33334880b0fb65e", kill_on_drop: false }` [INFO] [stdout] be2ac2aaef7f48a7c07a96f6411b85e3151bf5a8a04ec59ca33334880b0fb65e