[INFO] cloning repository https://github.com/dholroyd/bungling-mutant-lisp [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dholroyd/bungling-mutant-lisp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fbungling-mutant-lisp", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fbungling-mutant-lisp'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9e925d04ab225fd6e33f452eddb73fcba91aad67 [INFO] checking dholroyd/bungling-mutant-lisp/9e925d04ab225fd6e33f452eddb73fcba91aad67 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdholroyd%2Fbungling-mutant-lisp" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dholroyd/bungling-mutant-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/dholroyd/bungling-mutant-lisp [INFO] finished tweaking git repo https://github.com/dholroyd/bungling-mutant-lisp [INFO] tweaked toml for git repo https://github.com/dholroyd/bungling-mutant-lisp written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dholroyd/bungling-mutant-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] deee4313accb227dbb2fdf412c208c4b5cccffa27be5bf7550e3ca90fc2db8bc [INFO] running `Command { std: "docker" "start" "-a" "deee4313accb227dbb2fdf412c208c4b5cccffa27be5bf7550e3ca90fc2db8bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "deee4313accb227dbb2fdf412c208c4b5cccffa27be5bf7550e3ca90fc2db8bc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "deee4313accb227dbb2fdf412c208c4b5cccffa27be5bf7550e3ca90fc2db8bc", kill_on_drop: false }` [INFO] [stdout] deee4313accb227dbb2fdf412c208c4b5cccffa27be5bf7550e3ca90fc2db8bc [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 15a1de22be7550624ec8482295be6319988105ed428ecdf8c178723414be3a60 [INFO] running `Command { std: "docker" "start" "-a" "15a1de22be7550624ec8482295be6319988105ed428ecdf8c178723414be3a60", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Checking bml v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:97:30 [INFO] [stdout] | [INFO] [stdout] 97 | Some(c @ 'a' ... 'z') => s.push(c), [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] --> src/parse.rs:141:30 [INFO] [stdout] | [INFO] [stdout] 141 | Some(c @ '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] --> src/parse.rs:168:16 [INFO] [stdout] | [INFO] [stdout] 168 | 'a'...'z' => self.sym(), [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] --> src/parse.rs:169:16 [INFO] [stdout] | [INFO] [stdout] 169 | '0'...'9' => self.num(), // negative numeric constants just not possible ATM [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: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parse.rs:190:20 [INFO] [stdout] | [INFO] [stdout] 190 | v.push(try!(self.sexp())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parse.rs:202:35 [INFO] [stdout] | [INFO] [stdout] 202 | Some(_) => v.push(try!(self.sexp())), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/parse.rs:97:30 [INFO] [stdout] | [INFO] [stdout] 97 | Some(c @ 'a' ... 'z') => s.push(c), [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] --> src/parse.rs:141:30 [INFO] [stdout] | [INFO] [stdout] 141 | Some(c @ '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] --> src/parse.rs:168:16 [INFO] [stdout] | [INFO] [stdout] 168 | 'a'...'z' => self.sym(), [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] --> src/parse.rs:169:16 [INFO] [stdout] | [INFO] [stdout] 169 | '0'...'9' => self.num(), // negative numeric constants just not possible ATM [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: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parse.rs:190:20 [INFO] [stdout] | [INFO] [stdout] 190 | v.push(try!(self.sexp())); [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead [INFO] [stdout] --> src/parse.rs:202:35 [INFO] [stdout] | [INFO] [stdout] 202 | Some(_) => v.push(try!(self.sexp())), [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/interpret.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | Native{name:SymbolRef, code:RcData>>}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | Native{name:SymbolRef, code:RcData>>}, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/interpret.rs:12:40 [INFO] [stdout] | [INFO] [stdout] 12 | Native{name:SymbolRef, code:RcData>>}, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [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(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 12 | Native{name:SymbolRef, code:RcData>>}, [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/parse.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let c = self.next().unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/interpret.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `othername` [INFO] [stdout] --> src/interpret.rs:28:70 [INFO] [stdout] | [INFO] [stdout] 28 | (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_othername` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/interpret.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | Fun::Native{ref name, ref code} => (code)(args), [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/parse.rs:65:17 [INFO] [stdout] | [INFO] [stdout] 65 | let c = self.next().unwrap(); [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/parse.rs:220:13 [INFO] [stdout] | [INFO] [stdout] 220 | let mut p = Parser::new(st, text.chars().peekable()); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/interpret.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => { [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `othername` [INFO] [stdout] --> src/interpret.rs:28:70 [INFO] [stdout] | [INFO] [stdout] 28 | (&Fun::Native{ref name, ref code}, &Fun::Native{name:ref othername, code:ref othercode}) => { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_othername` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/interpret.rs:46:25 [INFO] [stdout] | [INFO] [stdout] 46 | Fun::Native{ref name, ref code} => (code)(args), [INFO] [stdout] | ^^^^^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Fun` is more private than the item `Data::DFun::0` [INFO] [stdout] --> src/interpret.rs:55:10 [INFO] [stdout] | [INFO] [stdout] 55 | DFun(Fun), [INFO] [stdout] | ^^^ field `Data::DFun::0` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `Fun` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/interpret.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | enum Fun { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `skip_comment` is never used [INFO] [stdout] --> src/parse.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 69 | fn skip_comment(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/symtable.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Symbol(String); [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Fun` is more private than the item `Data::DFun::0` [INFO] [stdout] --> src/interpret.rs:55:10 [INFO] [stdout] | [INFO] [stdout] 55 | DFun(Fun), [INFO] [stdout] | ^^^ field `Data::DFun::0` is reachable at visibility `pub(crate)` [INFO] [stdout] | [INFO] [stdout] note: but type `Fun` is only usable at visibility `pub(self)` [INFO] [stdout] --> src/interpret.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | enum Fun { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] = note: `#[warn(private_interfaces)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `skip_comment` is never used [INFO] [stdout] --> src/parse.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 38 | impl<'a> Parser<'a> { [INFO] [stdout] | ------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 69 | fn skip_comment(&self) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/symtable.rs:8:19 [INFO] [stdout] | [INFO] [stdout] 8 | pub struct Symbol(String); [INFO] [stdout] | ------ ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `Symbol` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 15 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] running `Command { std: "docker" "inspect" "15a1de22be7550624ec8482295be6319988105ed428ecdf8c178723414be3a60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15a1de22be7550624ec8482295be6319988105ed428ecdf8c178723414be3a60", kill_on_drop: false }` [INFO] [stdout] 15a1de22be7550624ec8482295be6319988105ed428ecdf8c178723414be3a60