[INFO] cloning repository https://github.com/algon-320/mini-lisp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/algon-320/mini-lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falgon-320%2Fmini-lisp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falgon-320%2Fmini-lisp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0385635eeae5570696b850ed29fa0b9d169c73b3 [INFO] checking algon-320/mini-lisp/0385635eeae5570696b850ed29fa0b9d169c73b3 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falgon-320%2Fmini-lisp" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/algon-320/mini-lisp on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/algon-320/mini-lisp [INFO] finished tweaking git repo https://github.com/algon-320/mini-lisp [INFO] tweaked toml for git repo https://github.com/algon-320/mini-lisp written to /workspace/builds/worker-1-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/algon-320/mini-lisp already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded peg v0.5.7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 4e92985ba8ec7e36b741a1a47abadf5166ba06563f6fd1941041186eb16d2667 [INFO] running `Command { std: "docker" "start" "-a" "4e92985ba8ec7e36b741a1a47abadf5166ba06563f6fd1941041186eb16d2667", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4e92985ba8ec7e36b741a1a47abadf5166ba06563f6fd1941041186eb16d2667", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4e92985ba8ec7e36b741a1a47abadf5166ba06563f6fd1941041186eb16d2667", kill_on_drop: false }` [INFO] [stdout] 4e92985ba8ec7e36b741a1a47abadf5166ba06563f6fd1941041186eb16d2667 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 47150198390cc5d2fea3fb130ea9c01bd59c869783fc410fbe2b24f1c331cd6f [INFO] running `Command { std: "docker" "start" "-a" "47150198390cc5d2fea3fb130ea9c01bd59c869783fc410fbe2b24f1c331cd6f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling peg v0.5.7 [INFO] [stderr] Compiling mini-lisp v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-lisp-bc146ef5244c756c/out/minilisp_grammar.rs:100:820 [INFO] [stdout] | [INFO] [stdout] 100 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ... [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-lisp-bc146ef5244c756c/out/minilisp_grammar.rs:100:834 [INFO] [stdout] | [INFO] [stdout] 100 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA... [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-lisp-bc146ef5244c756c/out/minilisp_grammar.rs:102:460 [INFO] [stdout] | [INFO] [stdout] 102 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ... [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-lisp-bc146ef5244c756c/out/minilisp_grammar.rs:100:820 [INFO] [stdout] | [INFO] [stdout] 100 | ...nge_at ( __input , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( ... [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-lisp-bc146ef5244c756c/out/minilisp_grammar.rs:100:834 [INFO] [stdout] | [INFO] [stdout] 100 | ...ut , __pos ) ; match __ch { 'a' ... 'z' | 'A' ... 'Z' | '_' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[a-zA... [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> /opt/rustwide/target/debug/build/mini-lisp-bc146ef5244c756c/out/minilisp_grammar.rs:102:460 [INFO] [stdout] | [INFO] [stdout] 102 | ...nge_at ( __input , __pos ) ; match __ch { '0' ... '9' => Matched ( __next , ( ) ) , _ => __state . mark_failure ( __pos , "[0-9]" ) , ... [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/structures.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | _ => "(undefined)", [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/structures.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 40 | Elem::List(_) => "List", [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] 41 | Elem::Int(_) => "Int", [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 42 | Elem::Symbol(_) => "Symbol", [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] 43 | Elem::Bool(_) => "Bool", [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 47 | _ => "(undefined)", [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/structures.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 47 | _ => "(undefined)", [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/structures.rs:47:13 [INFO] [stdout] | [INFO] [stdout] 40 | Elem::List(_) => "List", [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] 41 | Elem::Int(_) => "Int", [INFO] [stdout] | ------------ matches some of the same values [INFO] [stdout] 42 | Elem::Symbol(_) => "Symbol", [INFO] [stdout] | --------------- matches some of the same values [INFO] [stdout] 43 | Elem::Bool(_) => "Bool", [INFO] [stdout] | ------------- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 47 | _ => "(undefined)", [INFO] [stdout] | ^ ...and 3 other patterns collectively make this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `extract_string` and `extract_func` are never used [INFO] [stdout] --> src/structures.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Elem { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn extract_string(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn extract_func(&self) -> Result<(List, List, Rc>), String> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structures.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structures.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | write!(f, "{:?}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structures.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | write!(f, " "); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `extract_string` and `extract_func` are never used [INFO] [stdout] --> src/structures.rs:86:12 [INFO] [stdout] | [INFO] [stdout] 37 | impl Elem { [INFO] [stdout] | --------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 86 | pub fn extract_string(&self) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 95 | pub fn extract_func(&self) -> Result<(List, List, Rc>), String> { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structures.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | write!(f, "("); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structures.rs:121:13 [INFO] [stdout] | [INFO] [stdout] 121 | write!(f, "{:?}", e); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/structures.rs:123:17 [INFO] [stdout] | [INFO] [stdout] 123 | write!(f, " "); [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.54s [INFO] running `Command { std: "docker" "inspect" "47150198390cc5d2fea3fb130ea9c01bd59c869783fc410fbe2b24f1c331cd6f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "47150198390cc5d2fea3fb130ea9c01bd59c869783fc410fbe2b24f1c331cd6f", kill_on_drop: false }` [INFO] [stdout] 47150198390cc5d2fea3fb130ea9c01bd59c869783fc410fbe2b24f1c331cd6f