[INFO] cloning repository https://github.com/agarick/muck [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/agarick/muck" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarick%2Fmuck", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarick%2Fmuck'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 87c31cba16788c0c9044d4f933ce9677edb36ed4 [INFO] checking agarick/muck against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarick%2Fmuck" "/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/agarick/muck on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/agarick/muck [INFO] finished tweaking git repo https://github.com/agarick/muck [INFO] tweaked toml for git repo https://github.com/agarick/muck written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/agarick/muck already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag. [INFO] the lockfile is outdated, regenerating it [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded rustyline v1.0.0 [INFO] [stderr] Downloaded encode_unicode v0.1.3 [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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 69f828f290862ef8092cfa33635299f388ebdc1d1f012bf55dcd3058e38a6f31 [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" "69f828f290862ef8092cfa33635299f388ebdc1d1f012bf55dcd3058e38a6f31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "69f828f290862ef8092cfa33635299f388ebdc1d1f012bf55dcd3058e38a6f31", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "69f828f290862ef8092cfa33635299f388ebdc1d1f012bf55dcd3058e38a6f31", kill_on_drop: false }` [INFO] [stdout] 69f828f290862ef8092cfa33635299f388ebdc1d1f012bf55dcd3058e38a6f31 [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" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 74b9c2f6f78f55d338c5854a6264e0d27a18db12240965ca02f76bbd324e194d [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" "74b9c2f6f78f55d338c5854a6264e0d27a18db12240965ca02f76bbd324e194d", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking encode_unicode v0.1.3 [INFO] [stderr] Checking unicode-width v0.1.8 [INFO] [stderr] Checking memchr v1.0.2 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking nom v3.2.1 [INFO] [stderr] Checking rustyline v1.0.0 [INFO] [stderr] Checking tack v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:5:1 [INFO] [stdout] | [INFO] [stdout] 5 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Primitive` [INFO] [stdout] --> src/parser.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | Primitive(Pr), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Special` [INFO] [stdout] --> src/parser.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | Special(Sp), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `User` [INFO] [stdout] --> src/parser.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | User(String), [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Add` [INFO] [stdout] --> src/parser.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | Add, Sub, Mul, Div, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Sub` [INFO] [stdout] --> src/parser.rs:15:10 [INFO] [stdout] | [INFO] [stdout] 15 | Add, Sub, Mul, Div, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Mul` [INFO] [stdout] --> src/parser.rs:15:15 [INFO] [stdout] | [INFO] [stdout] 15 | Add, Sub, Mul, Div, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Div` [INFO] [stdout] --> src/parser.rs:15:20 [INFO] [stdout] | [INFO] [stdout] 15 | Add, Sub, Mul, Div, [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cons` [INFO] [stdout] --> src/parser.rs:16:5 [INFO] [stdout] | [INFO] [stdout] 16 | Cons, Car, Cdr, List [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Car` [INFO] [stdout] --> src/parser.rs:16:11 [INFO] [stdout] | [INFO] [stdout] 16 | Cons, Car, Cdr, List [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Cdr` [INFO] [stdout] --> src/parser.rs:16:16 [INFO] [stdout] | [INFO] [stdout] 16 | Cons, Car, Cdr, List [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `List` [INFO] [stdout] --> src/parser.rs:16:21 [INFO] [stdout] | [INFO] [stdout] 16 | Cons, Car, Cdr, List [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Begin` [INFO] [stdout] --> src/parser.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Callcc` [INFO] [stdout] --> src/parser.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Define` [INFO] [stdout] --> src/parser.rs:21:20 [INFO] [stdout] | [INFO] [stdout] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `If` [INFO] [stdout] --> src/parser.rs:21:28 [INFO] [stdout] | [INFO] [stdout] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Lambda` [INFO] [stdout] --> src/parser.rs:21:32 [INFO] [stdout] | [INFO] [stdout] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Let` [INFO] [stdout] --> src/parser.rs:21:40 [INFO] [stdout] | [INFO] [stdout] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 18 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 9.21s [INFO] running `Command { std: "docker" "inspect" "74b9c2f6f78f55d338c5854a6264e0d27a18db12240965ca02f76bbd324e194d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "74b9c2f6f78f55d338c5854a6264e0d27a18db12240965ca02f76bbd324e194d", kill_on_drop: false }` [INFO] [stdout] 74b9c2f6f78f55d338c5854a6264e0d27a18db12240965ca02f76bbd324e194d