[INFO] updating cached repository https://github.com/athorwall/parser-combinators [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] e9dc572158cc0e1493cb8b3c0637a4d8d7013b8b [INFO] checking athorwall/parser-combinators against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fathorwall%2Fparser-combinators" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/athorwall/parser-combinators 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/athorwall/parser-combinators [INFO] finished tweaking git repo https://github.com/athorwall/parser-combinators [INFO] tweaked toml for git repo https://github.com/athorwall/parser-combinators written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/athorwall/parser-combinators 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6d003617a85bf8da047f69f22a01861d65ae5f4e27a38b39e1958a179e5c66eb [INFO] running `"docker" "start" "-a" "6d003617a85bf8da047f69f22a01861d65ae5f4e27a38b39e1958a179e5c66eb"` [INFO] [stderr] Checking parser-combinators v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | f: Box Vec<(T, String)> + 'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&String) -> Vec<(T, String)> + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:24:35 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn map(self, func: Box U>) -> Parser<'a, U> where T: 'a, U: 'a { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> U` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:90:54 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn bind<'b, U, V>(p1: Parser<'b, U>, p2: Box Parser<'b, V>>) -> Parser<'b, V> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(U) -> Parser<'b, V>` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:4:12 [INFO] [stderr] | [INFO] [stderr] 4 | f: Box Vec<(T, String)> + 'a>, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&String) -> Vec<(T, String)> + 'a` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:24:35 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn map(self, func: Box U>) -> Parser<'a, U> where T: 'a, U: 'a { [INFO] [stderr] | ^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&T) -> U` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/parser.rs:90:54 [INFO] [stderr] | [INFO] [stderr] 90 | pub fn bind<'b, U, V>(p1: Parser<'b, U>, p2: Box Parser<'b, V>>) -> Parser<'b, V> [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(U) -> Parser<'b, V>` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/parser.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | Some(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_input` [INFO] [stderr] --> src/parser.rs:43:29 [INFO] [stderr] | [INFO] [stderr] 43 | let mut new_input = input.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_input` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `value` [INFO] [stderr] --> src/parser.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | Some(value) => { [INFO] [stderr] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_value` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `new_input` [INFO] [stderr] --> src/parser.rs:43:29 [INFO] [stderr] | [INFO] [stderr] 43 | let mut new_input = input.clone(); [INFO] [stderr] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_new_input` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:43:29 [INFO] [stderr] | [INFO] [stderr] 43 | let mut new_input = input.clone(); [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/parser.rs:43:29 [INFO] [stderr] | [INFO] [stderr] 43 | let mut new_input = input.clone(); [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: struct is never constructed: `Parser` [INFO] [stderr] --> src/parser.rs:3:8 [INFO] [stderr] | [INFO] [stderr] 3 | struct Parser<'a, T> { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `parse` [INFO] [stderr] --> src/parser.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn parse(&self, input: &String) -> Result { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `map` [INFO] [stderr] --> src/parser.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | pub fn map(self, func: Box U>) -> Parser<'a, U> where T: 'a, U: 'a { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `one` [INFO] [stderr] --> src/parser.rs:38:5 [INFO] [stderr] | [INFO] [stderr] 38 | pub fn one(t: char) -> Parser<'a, char> { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `combine` [INFO] [stderr] --> src/parser.rs:62:5 [INFO] [stderr] | [INFO] [stderr] 62 | / pub fn combine<'b, U>(p1: Parser<'b, U>, p2: Parser<'b, U>) -> Parser<'b, U> [INFO] [stderr] 63 | | where U: Copy + 'b { [INFO] [stderr] 64 | | Parser{ [INFO] [stderr] 65 | | f: Box::from(move |input: &String| { [INFO] [stderr] ... | [INFO] [stderr] 71 | | } [INFO] [stderr] 72 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `option` [INFO] [stderr] --> src/parser.rs:75:5 [INFO] [stderr] | [INFO] [stderr] 75 | / pub fn option<'b, U>(p1: Parser<'b, U>, p2: Parser<'b, U>) -> Parser<'b, U> [INFO] [stderr] 76 | | where U: Copy + 'b { [INFO] [stderr] 77 | | Parser{ [INFO] [stderr] 78 | | f: Box::from(move |input: &String| { [INFO] [stderr] ... | [INFO] [stderr] 86 | | } [INFO] [stderr] 87 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `bind` [INFO] [stderr] --> src/parser.rs:90:5 [INFO] [stderr] | [INFO] [stderr] 90 | / pub fn bind<'b, U, V>(p1: Parser<'b, U>, p2: Box Parser<'b, V>>) -> Parser<'b, V> [INFO] [stderr] 91 | | where U: Copy + 'b, V: 'b { [INFO] [stderr] 92 | | Parser{ [INFO] [stderr] 93 | | f: Box::from(move |input: &String| { [INFO] [stderr] ... | [INFO] [stderr] 100 | | } [INFO] [stderr] 101 | | } [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/parser.rs:153:21 [INFO] [stderr] | [INFO] [stderr] 153 | let mut s = a.to_string(); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 13 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: 7 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.84s [INFO] running `"docker" "inspect" "6d003617a85bf8da047f69f22a01861d65ae5f4e27a38b39e1958a179e5c66eb"` [INFO] running `"docker" "rm" "-f" "6d003617a85bf8da047f69f22a01861d65ae5f4e27a38b39e1958a179e5c66eb"` [INFO] [stdout] 6d003617a85bf8da047f69f22a01861d65ae5f4e27a38b39e1958a179e5c66eb