[INFO] cloning repository https://github.com/itaibn/scheme [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/itaibn/scheme" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaibn%2Fscheme", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaibn%2Fscheme'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 80b7cae7a34f5361f2cdef872c92478aeff28b55 [INFO] checking itaibn/scheme against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fitaibn%2Fscheme" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/itaibn/scheme on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/itaibn/scheme [INFO] finished tweaking git repo https://github.com/itaibn/scheme [INFO] tweaked toml for git repo https://github.com/itaibn/scheme written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/itaibn/scheme already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] f4be84d4314307729501274a9e1c6a48da8eb45e5ee5b272ef556b1e6270a5a4 [INFO] running `Command { std: "docker" "start" "-a" "f4be84d4314307729501274a9e1c6a48da8eb45e5ee5b272ef556b1e6270a5a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f4be84d4314307729501274a9e1c6a48da8eb45e5ee5b272ef556b1e6270a5a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f4be84d4314307729501274a9e1c6a48da8eb45e5ee5b272ef556b1e6270a5a4", kill_on_drop: false }` [INFO] [stdout] f4be84d4314307729501274a9e1c6a48da8eb45e5ee5b272ef556b1e6270a5a4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 91ed186aac1b61f7e78e21fa2c491433134759b9fde46e3f56a084e142b12821 [INFO] running `Command { std: "docker" "start" "-a" "91ed186aac1b61f7e78e21fa2c491433134759b9fde46e3f56a084e142b12821", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking maplit v1.0.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Compiling nom v6.0.1 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking lexical-core v0.7.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling num-bigint v0.3.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling gc_derive v0.3.2 [INFO] [stderr] Checking aho-corasick v0.7.15 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking regex v0.2.11 [INFO] [stderr] Checking gc v0.3.6 [INFO] [stderr] Checking regex v1.4.2 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking num v0.3.1 [INFO] [stderr] Checking scheme v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `permutation` [INFO] [stdout] --> src/read/lexer.rs:498:27 [INFO] [stdout] | [INFO] [stdout] 498 | branch::{alt, permutation}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `permutation` [INFO] [stdout] --> src/read/lexer.rs:498:27 [INFO] [stdout] | [INFO] [stdout] 498 | branch::{alt, permutation}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/read/lexer.rs:633:31 [INFO] [stdout] | [INFO] [stdout] 633 | map(one_of("+-"), (|s| Token::Identifier(s.to_string()))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around function argument [INFO] [stdout] --> src/read/lexer.rs:633:31 [INFO] [stdout] | [INFO] [stdout] 633 | map(one_of("+-"), (|s| Token::Identifier(s.to_string()))), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:541:17 [INFO] [stdout] | [INFO] [stdout] 541 | let mut uinteger = map_opt(uinteger_raw, move |digits| [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: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:559:17 [INFO] [stdout] | [INFO] [stdout] 559 | let mut decimal = map_opt(re_capture(float_re.clone()), move |c_raw| [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:613:17 [INFO] [stdout] | [INFO] [stdout] 613 | let mut sign = map(opt(one_of("+-")), |s| match s { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:618:17 [INFO] [stdout] | [INFO] [stdout] 618 | let mut real = map(pair(sign, ureal), |(s, mut n)| { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:533:13 [INFO] [stdout] | [INFO] [stdout] 533 | let mut num = flat_map(prefix, |(base, exactness)| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:541:17 [INFO] [stdout] | [INFO] [stdout] 541 | let mut uinteger = map_opt(uinteger_raw, move |digits| [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: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:559:17 [INFO] [stdout] | [INFO] [stdout] 559 | let mut decimal = map_opt(re_capture(float_re.clone()), move |c_raw| [INFO] [stdout] | ----^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:613:17 [INFO] [stdout] | [INFO] [stdout] 613 | let mut sign = map(opt(one_of("+-")), |s| match s { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:618:17 [INFO] [stdout] | [INFO] [stdout] 618 | let mut real = map(pair(sign, ureal), |(s, mut n)| { [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/read/lexer.rs:533:13 [INFO] [stdout] | [INFO] [stdout] 533 | let mut num = flat_map(prefix, |(base, exactness)| { [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Read` [INFO] [stdout] --> src/port.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | Read, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> src/port.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | Write, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open_input_file` [INFO] [stdout] --> src/port.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn open_input_file(fname: &[char]) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rw_type` [INFO] [stdout] --> src/port.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn rw_type(&self) -> PortRWType { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_scheme_identifier_initial` [INFO] [stdout] --> src/read/lexer.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn is_scheme_identifier_initial(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_scheme_identifier_subsequent` [INFO] [stdout] --> src/read/lexer.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn is_scheme_identifier_subsequent(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rational_i64` [INFO] [stdout] --> src/read/lexer.rs:114:8 [INFO] [stdout] | [INFO] [stdout] 114 | fn rational_i64(num: i64, den: i64, exact: Exactness) -> Number { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_i64` [INFO] [stdout] --> src/read/lexer.rs:122:8 [INFO] [stdout] | [INFO] [stdout] 122 | fn from_i64(x: i64) -> Token { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_str` [INFO] [stdout] --> src/read/lexer.rs:128:8 [INFO] [stdout] | [INFO] [stdout] 128 | fn from_str(s: &str) -> Token { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_number_old` [INFO] [stdout] --> src/read/lexer.rs:354:8 [INFO] [stdout] | [INFO] [stdout] 354 | fn get_number_old(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Next` [INFO] [stdout] --> src/runtime.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | / Next { [INFO] [stdout] 75 | | to_eval: Expression, [INFO] [stdout] 76 | | env: Environment, [INFO] [stdout] 77 | | next_eval_seq: EvaluationSequenceBox, [INFO] [stdout] 78 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `End` [INFO] [stdout] --> src/runtime.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | End(Scheme), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/builtin.rs:598:47 [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "'{}' converts into a \ [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(panic_fmt)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 600 | know how to handle.", ...); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "{}", "'{}' converts into a \ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 20 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Read` [INFO] [stdout] --> src/port.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | Read, [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Write` [INFO] [stdout] --> src/port.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 21 | Write, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `open_input_file` [INFO] [stdout] --> src/port.rs:26:12 [INFO] [stdout] | [INFO] [stdout] 26 | pub fn open_input_file(fname: &[char]) -> Result { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `rw_type` [INFO] [stdout] --> src/port.rs:34:12 [INFO] [stdout] | [INFO] [stdout] 34 | pub fn rw_type(&self) -> PortRWType { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_scheme_identifier_initial` [INFO] [stdout] --> src/read/lexer.rs:83:4 [INFO] [stdout] | [INFO] [stdout] 83 | fn is_scheme_identifier_initial(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `is_scheme_identifier_subsequent` [INFO] [stdout] --> src/read/lexer.rs:88:4 [INFO] [stdout] | [INFO] [stdout] 88 | fn is_scheme_identifier_subsequent(c: char) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `get_number_old` [INFO] [stdout] --> src/read/lexer.rs:354:8 [INFO] [stdout] | [INFO] [stdout] 354 | fn get_number_old(&mut self) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `Next` [INFO] [stdout] --> src/runtime.rs:74:5 [INFO] [stdout] | [INFO] [stdout] 74 | / Next { [INFO] [stdout] 75 | | to_eval: Expression, [INFO] [stdout] 76 | | env: Environment, [INFO] [stdout] 77 | | next_eval_seq: EvaluationSequenceBox, [INFO] [stdout] 78 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `End` [INFO] [stdout] --> src/runtime.rs:79:5 [INFO] [stdout] | [INFO] [stdout] 79 | End(Scheme), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message contains an unused formatting placeholder [INFO] [stdout] --> src/builtin.rs:598:47 [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "'{}' converts into a \ [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(panic_fmt)]` on by default [INFO] [stdout] = note: this message is not used as a format string when given without arguments, but will be in a future Rust edition [INFO] [stdout] help: add the missing argument [INFO] [stdout] | [INFO] [stdout] 600 | know how to handle.", ...); [INFO] [stdout] | ^^^^^ [INFO] [stdout] help: or add a "{}" format string to use the message literally [INFO] [stdout] | [INFO] [stdout] 598 | assert!(lowercase.next().is_none(), "{}", "'{}' converts into a \ [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 17 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.94s [INFO] running `Command { std: "docker" "inspect" "91ed186aac1b61f7e78e21fa2c491433134759b9fde46e3f56a084e142b12821", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "91ed186aac1b61f7e78e21fa2c491433134759b9fde46e3f56a084e142b12821", kill_on_drop: false }` [INFO] [stdout] 91ed186aac1b61f7e78e21fa2c491433134759b9fde46e3f56a084e142b12821