[INFO] updating cached repository https://github.com/agarick/muck [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 87c31cba16788c0c9044d4f933ce9677edb36ed4 [INFO] checking agarick/muck against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fagarick%2Fmuck" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/agarick/muck on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [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-7/source/Cargo.toml [INFO] crate git repo https://github.com/agarick/muck already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-7/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] eb70b3df61dc647eaf8da0e809ea6e421b330780dcf3cb2fbc3aa9dc5583ed32 [INFO] running `"docker" "start" "-a" "eb70b3df61dc647eaf8da0e809ea6e421b330780dcf3cb2fbc3aa9dc5583ed32"` [INFO] [stderr] Checking bitflags v0.4.0 [INFO] [stderr] Checking libc v0.2.69 [INFO] [stderr] Checking nix v0.5.1 [INFO] [stderr] Checking memchr v1.0.2 [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] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:5:1 [INFO] [stderr] | [INFO] [stderr] 5 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Primitive` [INFO] [stderr] --> src/parser.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | Primitive(Pr), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Special` [INFO] [stderr] --> src/parser.rs:9:5 [INFO] [stderr] | [INFO] [stderr] 9 | Special(Sp), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `User` [INFO] [stderr] --> src/parser.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | User(String), [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Add` [INFO] [stderr] --> src/parser.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | Add, Sub, Mul, Div, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Sub` [INFO] [stderr] --> src/parser.rs:15:10 [INFO] [stderr] | [INFO] [stderr] 15 | Add, Sub, Mul, Div, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Mul` [INFO] [stderr] --> src/parser.rs:15:15 [INFO] [stderr] | [INFO] [stderr] 15 | Add, Sub, Mul, Div, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Div` [INFO] [stderr] --> src/parser.rs:15:20 [INFO] [stderr] | [INFO] [stderr] 15 | Add, Sub, Mul, Div, [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cons` [INFO] [stderr] --> src/parser.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Cons, Car, Cdr, List [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Car` [INFO] [stderr] --> src/parser.rs:16:11 [INFO] [stderr] | [INFO] [stderr] 16 | Cons, Car, Cdr, List [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Cdr` [INFO] [stderr] --> src/parser.rs:16:16 [INFO] [stderr] | [INFO] [stderr] 16 | Cons, Car, Cdr, List [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `List` [INFO] [stderr] --> src/parser.rs:16:21 [INFO] [stderr] | [INFO] [stderr] 16 | Cons, Car, Cdr, List [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Begin` [INFO] [stderr] --> src/parser.rs:21:5 [INFO] [stderr] | [INFO] [stderr] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Callcc` [INFO] [stderr] --> src/parser.rs:21:12 [INFO] [stderr] | [INFO] [stderr] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Define` [INFO] [stderr] --> src/parser.rs:21:20 [INFO] [stderr] | [INFO] [stderr] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `If` [INFO] [stderr] --> src/parser.rs:21:28 [INFO] [stderr] | [INFO] [stderr] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Lambda` [INFO] [stderr] --> src/parser.rs:21:32 [INFO] [stderr] | [INFO] [stderr] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Let` [INFO] [stderr] --> src/parser.rs:21:40 [INFO] [stderr] | [INFO] [stderr] 21 | Begin, Callcc, Define, If, Lambda, Let [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: 18 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.59s [INFO] running `"docker" "inspect" "eb70b3df61dc647eaf8da0e809ea6e421b330780dcf3cb2fbc3aa9dc5583ed32"` [INFO] running `"docker" "rm" "-f" "eb70b3df61dc647eaf8da0e809ea6e421b330780dcf3cb2fbc3aa9dc5583ed32"` [INFO] [stdout] eb70b3df61dc647eaf8da0e809ea6e421b330780dcf3cb2fbc3aa9dc5583ed32