[INFO] updating cached repository https://github.com/rwblickhan/rdurian [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] 6f0edc1d925315e773ec0d5eda4da1b901342070 [INFO] checking rwblickhan/rdurian against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frwblickhan%2Frdurian" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/rwblickhan/rdurian 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/rwblickhan/rdurian [INFO] finished tweaking git repo https://github.com/rwblickhan/rdurian [INFO] tweaked toml for git repo https://github.com/rwblickhan/rdurian written to /workspace/builds/worker-0/source/Cargo.toml [INFO] crate git repo https://github.com/rwblickhan/rdurian already has a lockfile, it will not be regenerated [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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] e26c91e52730c50681fb175bcbc2b36121aaefeece31180ada04e7c128448b4d [INFO] running `"docker" "start" "-a" "e26c91e52730c50681fb175bcbc2b36121aaefeece31180ada04e7c128448b4d"` [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking subprocess v0.1.13 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking rdurian v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | let mut iter = stmts.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | let mut iter = params.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:69:17 [INFO] [stderr] | [INFO] [stderr] 69 | let mut iter = args.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | let mut iter = args.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:92:17 [INFO] [stderr] | [INFO] [stderr] 92 | let mut iter = commands.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treewalk_interpreter.rs:233:21 [INFO] [stderr] | [INFO] [stderr] 233 | let mut handle = stdin.lock(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treewalk_interpreter.rs:328:21 [INFO] [stderr] | [INFO] [stderr] 328 | let mut func_obj = self.curr_scope.borrow().get(ident_str)?; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Float` [INFO] [stderr] --> src/vm.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Float(f64), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Bool` [INFO] [stderr] --> src/vm.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Bool(bool), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `constant_pool_size` [INFO] [stderr] --> src/vm.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | constant_pool_size: ConstantPoolIdx, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:9:17 [INFO] [stderr] | [INFO] [stderr] 9 | let mut iter = stmts.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | let mut iter = params.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:69:17 [INFO] [stderr] | [INFO] [stderr] 69 | let mut iter = args.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:81:21 [INFO] [stderr] | [INFO] [stderr] 81 | let mut iter = args.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/pretty_printer.rs:92:17 [INFO] [stderr] | [INFO] [stderr] 92 | let mut iter = commands.iter(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treewalk_interpreter.rs:233:21 [INFO] [stderr] | [INFO] [stderr] 233 | let mut handle = stdin.lock(); [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/treewalk_interpreter.rs:328:21 [INFO] [stderr] | [INFO] [stderr] 328 | let mut func_obj = self.curr_scope.borrow().get(ident_str)?; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Float` [INFO] [stderr] --> src/vm.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Float(f64), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Bool` [INFO] [stderr] --> src/vm.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Bool(bool), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `constant_pool_size` [INFO] [stderr] --> src/vm.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 61 | constant_pool_size: ConstantPoolIdx, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 6.77s [INFO] running `"docker" "inspect" "e26c91e52730c50681fb175bcbc2b36121aaefeece31180ada04e7c128448b4d"` [INFO] running `"docker" "rm" "-f" "e26c91e52730c50681fb175bcbc2b36121aaefeece31180ada04e7c128448b4d"` [INFO] [stdout] e26c91e52730c50681fb175bcbc2b36121aaefeece31180ada04e7c128448b4d