[INFO] cloning repository https://github.com/harry75369/scheme-rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/harry75369/scheme-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry75369%2Fscheme-rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry75369%2Fscheme-rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] b6d825ff41acfe0fb97179b5f472189e6c8af3e4 [INFO] checking harry75369/scheme-rs against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fharry75369%2Fscheme-rs" "/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/harry75369/scheme-rs on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/harry75369/scheme-rs [INFO] finished tweaking git repo https://github.com/harry75369/scheme-rs [INFO] tweaked toml for git repo https://github.com/harry75369/scheme-rs written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/harry75369/scheme-rs already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 581aa0120d14e186f5fa87b5579d74390a73e57af63dc37678eb4dc748046297 [INFO] running `Command { std: "docker" "start" "-a" "581aa0120d14e186f5fa87b5579d74390a73e57af63dc37678eb4dc748046297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "581aa0120d14e186f5fa87b5579d74390a73e57af63dc37678eb4dc748046297", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "581aa0120d14e186f5fa87b5579d74390a73e57af63dc37678eb4dc748046297", kill_on_drop: false }` [INFO] [stdout] 581aa0120d14e186f5fa87b5579d74390a73e57af63dc37678eb4dc748046297 [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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] e049df80a15c6515a5d0b6cedad8c2c239c82060abc62c4dfe2f27785b855ea4 [INFO] running `Command { std: "docker" "start" "-a" "e049df80a15c6515a5d0b6cedad8c2c239c82060abc62c4dfe2f27785b855ea4", kill_on_drop: false }` [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Compiling bitflags v1.1.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking static_assertions v0.3.4 [INFO] [stderr] Checking utf8parse v0.1.1 [INFO] [stderr] Checking unicode-segmentation v1.3.0 [INFO] [stderr] Compiling nom v5.0.1 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling stackvector v1.0.6 [INFO] [stderr] Compiling lexical-core v0.4.3 [INFO] [stderr] Checking rustyline v5.0.2 [INFO] [stderr] Checking scheme-rs v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `rem` [INFO] [stdout] --> src/main.rs:69:10 [INFO] [stdout] | [INFO] [stdout] 69 | let (rem, val) = lisp_expr(s)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rem` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `rem` [INFO] [stdout] --> src/main.rs:69:10 [INFO] [stdout] | [INFO] [stdout] 69 | let (rem, val) = lisp_expr(s)?; [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_rem` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LList` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | LList(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LDottedList` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | LDottedList((Vec, Box)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LList` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | LList(Vec), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `LDottedList` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | LDottedList((Vec, Box)), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 19.33s [INFO] running `Command { std: "docker" "inspect" "e049df80a15c6515a5d0b6cedad8c2c239c82060abc62c4dfe2f27785b855ea4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e049df80a15c6515a5d0b6cedad8c2c239c82060abc62c4dfe2f27785b855ea4", kill_on_drop: false }` [INFO] [stdout] e049df80a15c6515a5d0b6cedad8c2c239c82060abc62c4dfe2f27785b855ea4