[INFO] cloning repository LLBlumire/mimir [INFO] running `"git" "clone" "--bare" "git://github.com/LLBlumire/mimir.git" "work/cache/sources/gh/LLBlumire/mimir"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/LLBlumire/mimir'... [INFO] running `"git" "clone" "work/cache/sources/gh/LLBlumire/mimir" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/LLBlumire/mimir"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/LLBlumire/mimir'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/LLBlumire/mimir" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/LLBlumire/mimir"` [INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/LLBlumire/mimir'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8a51aa355d89fcfc0fbe131df0783c0358f8570d [INFO] sha for GitHub repo LLBlumire/mimir: 8a51aa355d89fcfc0fbe131df0783c0358f8570d [INFO] validating manifest of LLBlumire/mimir on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of LLBlumire/mimir on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing LLBlumire/mimir [INFO] finished frobbing LLBlumire/mimir [INFO] frobbed toml for LLBlumire/mimir written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/LLBlumire/mimir/Cargo.toml [INFO] started frobbing LLBlumire/mimir [INFO] finished frobbing LLBlumire/mimir [INFO] frobbed toml for LLBlumire/mimir written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/LLBlumire/mimir/Cargo.toml [INFO] crate LLBlumire/mimir has a lockfile. skipping [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] checking LLBlumire/mimir against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-6/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/LLBlumire/mimir:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] f7c12d0812fc20b24ae5b055f4e34a5c86baffd84a0bd85e9b02938934a0a13d [INFO] running `"docker" "start" "-a" "f7c12d0812fc20b24ae5b055f4e34a5c86baffd84a0bd85e9b02938934a0a13d"` [INFO] [stderr] Checking mimir v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/object.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt` [INFO] [stderr] --> src/object.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | if let Some(matches) = matches.subcommand_matches("live") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | if let Some(matches) = matches.subcommand_matches("build") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `re_add` is never read [INFO] [stderr] --> src/mimir.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | let mut re_add = false; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:34:17 [INFO] [stderr] | [INFO] [stderr] 34 | if let Some(matches) = matches.subcommand_matches("live") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `matches` [INFO] [stderr] --> src/main.rs:50:17 [INFO] [stderr] | [INFO] [stderr] 50 | if let Some(matches) = matches.subcommand_matches("build") { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_matches` [INFO] [stderr] [INFO] [stderr] warning: value assigned to `re_add` is never read [INFO] [stderr] --> src/mimir.rs:79:17 [INFO] [stderr] | [INFO] [stderr] 79 | let mut re_add = false; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_assignments)] on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Type` [INFO] [stderr] --> src/object.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Type(Type), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Void` [INFO] [stderr] --> src/object.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Void(Type), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `List` [INFO] [stderr] --> src/object.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | List(Vec), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalFunction` [INFO] [stderr] --> src/object.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | LocalFunction(StackFrame), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_type` [INFO] [stderr] --> src/object.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn to_type(&self) -> Type { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Text` [INFO] [stderr] --> src/object.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | Text, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Float` [INFO] [stderr] --> src/object.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | Float, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/object.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | Number, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Type` [INFO] [stderr] --> src/object.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | Type, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `List` [INFO] [stderr] --> src/object.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | List, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Function` [INFO] [stderr] --> src/object.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | Function, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Symbol` [INFO] [stderr] --> src/object.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | Symbol, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Type` [INFO] [stderr] --> src/object.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Type(Type), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Void` [INFO] [stderr] --> src/object.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Void(Type), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `List` [INFO] [stderr] --> src/object.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | List(Vec), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `LocalFunction` [INFO] [stderr] --> src/object.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | LocalFunction(StackFrame), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_type` [INFO] [stderr] --> src/object.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn to_type(&self) -> Type { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Text` [INFO] [stderr] --> src/object.rs:37:5 [INFO] [stderr] | [INFO] [stderr] 37 | Text, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Float` [INFO] [stderr] --> src/object.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | Float, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/object.rs:39:5 [INFO] [stderr] | [INFO] [stderr] 39 | Number, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Type` [INFO] [stderr] --> src/object.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | Type, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `List` [INFO] [stderr] --> src/object.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 41 | List, [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Function` [INFO] [stderr] --> src/object.rs:42:5 [INFO] [stderr] | [INFO] [stderr] 42 | Function, [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Symbol` [INFO] [stderr] --> src/object.rs:43:5 [INFO] [stderr] | [INFO] [stderr] 43 | Symbol, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | stdout.write(b">> "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | stdout.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:38:13 [INFO] [stderr] | [INFO] [stderr] 38 | stdout.write(b">> "); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_must_use)] on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:39:13 [INFO] [stderr] | [INFO] [stderr] 39 | stdout.flush(); [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.20s [INFO] running `"docker" "inspect" "f7c12d0812fc20b24ae5b055f4e34a5c86baffd84a0bd85e9b02938934a0a13d"` [INFO] running `"docker" "rm" "-f" "f7c12d0812fc20b24ae5b055f4e34a5c86baffd84a0bd85e9b02938934a0a13d"` [INFO] [stdout] f7c12d0812fc20b24ae5b055f4e34a5c86baffd84a0bd85e9b02938934a0a13d