[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] 686de520a025fcd5d6feeba23d0940e5265a9db4 [INFO] checking Yichangcs/Ruscheme against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYichangcs%2FRuscheme" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Yichangcs/Ruscheme on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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-4/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" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77ffe408340d6aadd8ccd0ad4866680b3c7a9d3137f02941adf0e1859965802e [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" "77ffe408340d6aadd8ccd0ad4866680b3c7a9d3137f02941adf0e1859965802e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77ffe408340d6aadd8ccd0ad4866680b3c7a9d3137f02941adf0e1859965802e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77ffe408340d6aadd8ccd0ad4866680b3c7a9d3137f02941adf0e1859965802e", kill_on_drop: false }` [INFO] [stdout] 77ffe408340d6aadd8ccd0ad4866680b3c7a9d3137f02941adf0e1859965802e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e3e79679ca7cf8ee01c67005337041eb1149d67ba3d4f178586ad7019d5024f5 [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" "e3e79679ca7cf8ee01c67005337041eb1149d67ba3d4f178586ad7019d5024f5", 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:168:17 [INFO] [stdout] | [INFO] [stdout] 168 | 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: unused import: `extend_environment` [INFO] [stdout] --> src/environment.rs:160:61 [INFO] [stdout] | [INFO] [stdout] 160 | use super::env::{add_binding_to_frame, define_variable, extend_environment, frame_values, frame_variables, lookup_variable_value, mak... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `tokens` is never read [INFO] [stdout] --> src/parser.rs:188:13 [INFO] [stdout] | [INFO] [stdout] 188 | 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:196:13 [INFO] [stdout] | [INFO] [stdout] 196 | 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:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | 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:573:13 [INFO] [stdout] | [INFO] [stdout] 573 | / eval(scheme_list!(Exp::Symbol("define".to_string()), [INFO] [stdout] 574 | | Exp::Symbol("x".to_string()), [INFO] [stdout] 575 | | Exp::Integer(8)), ENV.clone()); [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:583:9 [INFO] [stdout] | [INFO] [stdout] 583 | / eval(scheme_list!(Exp::Symbol("define".to_string()), [INFO] [stdout] 584 | | Exp::Symbol("x".to_string()), [INFO] [stdout] 585 | | Exp::Integer(8)), ENV.clone()); [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:597:13 [INFO] [stdout] | [INFO] [stdout] 597 | / eval(scheme_list!(Exp::Symbol("define".to_string()), [INFO] [stdout] 598 | | Exp::Symbol("x".to_string()), [INFO] [stdout] 599 | | Exp::Integer(8)), ENV.clone()); [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:623:9 [INFO] [stdout] | [INFO] [stdout] 623 | / eval(scheme_list!(Exp::Symbol("define".to_string()), [INFO] [stdout] 624 | | Exp::Symbol("x".to_string()), [INFO] [stdout] 625 | | Exp::Integer(8)), ENV.clone()); [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:653:13 [INFO] [stdout] | [INFO] [stdout] 653 | / eval(scheme_list!(Exp::Symbol("define".to_string()), [INFO] [stdout] 654 | | Exp::Symbol("x".to_string()), [INFO] [stdout] 655 | | Exp::Integer(8)), ENV.clone()); [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:175:9 [INFO] [stdout] | [INFO] [stdout] 175 | 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:189:9 [INFO] [stdout] | [INFO] [stdout] 189 | 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:205:9 [INFO] [stdout] | [INFO] [stdout] 205 | 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 4.17s [INFO] running `Command { std: "docker" "inspect" "e3e79679ca7cf8ee01c67005337041eb1149d67ba3d4f178586ad7019d5024f5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3e79679ca7cf8ee01c67005337041eb1149d67ba3d4f178586ad7019d5024f5", kill_on_drop: false }` [INFO] [stdout] e3e79679ca7cf8ee01c67005337041eb1149d67ba3d4f178586ad7019d5024f5