[INFO] cloning repository https://github.com/ayourtch/peg2pest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ayourtch/peg2pest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fpeg2pest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fpeg2pest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] cef0e37306c4d47d4c4de848db442434a96f9624 [INFO] checking ayourtch/peg2pest against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fayourtch%2Fpeg2pest" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/ayourtch/peg2pest [INFO] finished tweaking git repo https://github.com/ayourtch/peg2pest [INFO] tweaked toml for git repo https://github.com/ayourtch/peg2pest written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/ayourtch/peg2pest on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/ayourtch/peg2pest 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 690bf275fd43bc3c0c8088f0abaa91ee144c33801f06d152bf251ee9f589b4bd [INFO] running `Command { std: "docker" "start" "-a" "690bf275fd43bc3c0c8088f0abaa91ee144c33801f06d152bf251ee9f589b4bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "690bf275fd43bc3c0c8088f0abaa91ee144c33801f06d152bf251ee9f589b4bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "690bf275fd43bc3c0c8088f0abaa91ee144c33801f06d152bf251ee9f589b4bd", kill_on_drop: false }` [INFO] [stdout] 690bf275fd43bc3c0c8088f0abaa91ee144c33801f06d152bf251ee9f589b4bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 87a4411c6b8975ecd3743b8fbc3f93e515ee2cc32d9d69f527773afb5304b48b [INFO] running `Command { std: "docker" "start" "-a" "87a4411c6b8975ecd3743b8fbc3f93e515ee2cc32d9d69f527773afb5304b48b", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Checking once_cell v1.8.0 [INFO] [stderr] Compiling minreq v2.4.2 [INFO] [stderr] Checking os_str_bytes v4.2.0 [INFO] [stderr] Checking textwrap v0.14.2 [INFO] [stderr] Compiling peg2pest v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking yaml-rust v0.4.5 [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> build.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling pest_generator v2.1.3 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling clap_derive v3.0.0-beta.5 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking webpki v0.21.4 [INFO] [stderr] Checking sct v0.6.1 [INFO] [stderr] Checking rustls v0.19.1 [INFO] [stderr] Checking webpki-roots v0.18.0 [INFO] [stderr] Checking clap v3.0.0-beta.5 [INFO] [stderr] Checking serde v1.0.130 [INFO] [stderr] Checking serde_json v1.0.71 [INFO] [stderr] Checking serde_yaml v0.8.21 [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `SystemTime` [INFO] [stdout] --> src/main.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pest::prec_climber::PrecClimber` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use pest::prec_climber::PrecClimber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:130:28 [INFO] [stdout] | [INFO] [stdout] 130 | current_rule_not = (&inner_pair.as_rule() == &Rule::Not); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 130 - current_rule_not = (&inner_pair.as_rule() == &Rule::Not); [INFO] [stdout] 130 + current_rule_not = &inner_pair.as_rule() == &Rule::Not ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::collections::HashMap` [INFO] [stdout] --> src/main.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::collections::HashMap; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Duration` and `SystemTime` [INFO] [stdout] --> src/main.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, SystemTime}; [INFO] [stdout] | ^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `pest::prec_climber::PrecClimber` [INFO] [stdout] --> src/main.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use pest::prec_climber::PrecClimber; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around assigned value [INFO] [stdout] --> src/main.rs:130:28 [INFO] [stdout] | [INFO] [stdout] 130 | current_rule_not = (&inner_pair.as_rule() == &Rule::Not); [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 130 - current_rule_not = (&inner_pair.as_rule() == &Rule::Not); [INFO] [stdout] 130 + current_rule_not = &inner_pair.as_rule() == &Rule::Not ; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut inner_pairs = class.into_inner(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:70:25 [INFO] [stdout] | [INFO] [stdout] 70 | x => acc.push_str(&format!(" \"{}\"", s)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:94:25 [INFO] [stdout] | [INFO] [stdout] 94 | x => acc.push_str(&format!(" \"{}\"", s)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | let mut inner_pairs = seq.into_inner(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_rule_not` is never read [INFO] [stdout] --> src/main.rs:122:32 [INFO] [stdout] | [INFO] [stdout] 122 | let mut current_rule_not = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 217 | let mut inner_pairs = expr.into_inner(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / /// Override options from this yaml/json file [INFO] [stdout] 29 | | #[clap(short, long)] [INFO] [stdout] 30 | | options_override: Option, [INFO] [stdout] | |____________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | / /// input filename to read [INFO] [stdout] 33 | | #[clap(short, long)] [INFO] [stdout] 34 | | input_filename: Option, [INFO] [stdout] | |__________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:49:9 [INFO] [stdout] | [INFO] [stdout] 49 | let mut inner_pairs = class.into_inner(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:70:25 [INFO] [stdout] | [INFO] [stdout] 70 | x => acc.push_str(&format!(" \"{}\"", s)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `peg2pest` (bin "peg2pest" test) due to 2 previous errors; 11 warnings emitted [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> src/main.rs:94:25 [INFO] [stdout] | [INFO] [stdout] 94 | x => acc.push_str(&format!(" \"{}\"", s)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:118:9 [INFO] [stdout] | [INFO] [stdout] 118 | let mut inner_pairs = seq.into_inner(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `current_rule_not` is never read [INFO] [stdout] --> src/main.rs:122:32 [INFO] [stdout] | [INFO] [stdout] 122 | let mut current_rule_not = false; [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:217:9 [INFO] [stdout] | [INFO] [stdout] 217 | let mut inner_pairs = expr.into_inner(); [INFO] [stdout] | ----^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:28:5 [INFO] [stdout] | [INFO] [stdout] 28 | / /// Override options from this yaml/json file [INFO] [stdout] 29 | | #[clap(short, long)] [INFO] [stdout] 30 | | options_override: Option, [INFO] [stdout] | |____________________________________^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | / /// input filename to read [INFO] [stdout] 33 | | #[clap(short, long)] [INFO] [stdout] 34 | | input_filename: Option, [INFO] [stdout] | |__________________________________^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `peg2pest` (bin "peg2pest") due to 2 previous errors; 11 warnings emitted [INFO] running `Command { std: "docker" "inspect" "87a4411c6b8975ecd3743b8fbc3f93e515ee2cc32d9d69f527773afb5304b48b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "87a4411c6b8975ecd3743b8fbc3f93e515ee2cc32d9d69f527773afb5304b48b", kill_on_drop: false }` [INFO] [stdout] 87a4411c6b8975ecd3743b8fbc3f93e515ee2cc32d9d69f527773afb5304b48b