[INFO] updating cached repository https://github.com/aep/zz [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] [stderr] From https://github.com/aep/zz [INFO] [stderr] 3b41762..82541aa master -> master [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 82541aa814b5404db69a6c4574efa9963dc6f1a0 [INFO] checking aep/zz against master#0cbcb17d3306d6e22eafc2c05ce885db97d0189c for pr-68766 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faep%2Fzz" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/aep/zz on toolchain 0cbcb17d3306d6e22eafc2c05ce885db97d0189c [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/aep/zz [INFO] finished tweaking git repo https://github.com/aep/zz [INFO] tweaked toml for git repo https://github.com/aep/zz written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/aep/zz already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "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] c9aa4d924752d79eee61bfbee5585bbb58cd75dad3f041d414e2ecbbf8b95ffc [INFO] running `"docker" "start" "-a" "c9aa4d924752d79eee61bfbee5585bbb58cd75dad3f041d414e2ecbbf8b95ffc"` [INFO] [stderr] Compiling syn v0.15.36 [INFO] [stderr] Checking seahash v3.0.6 [INFO] [stderr] Compiling pest v2.1.1 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking pbr v1.0.1 [INFO] [stderr] Checking backtrace v0.3.40 [INFO] [stderr] Checking fasthash v0.4.0 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking rayon-core v1.5.0 [INFO] [stderr] Checking error-chain v0.12.1 [INFO] [stderr] Checking failure v0.1.6 [INFO] [stderr] Checking rsmt2-zz v0.11.0 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking which v3.1.0 [INFO] [stderr] Compiling pest_meta v2.1.1 [INFO] [stderr] Compiling pest_generator v2.1.0 [INFO] [stderr] Compiling serde_derive v1.0.92 [INFO] [stderr] Compiling pest_derive v2.1.0 [INFO] [stderr] Checking serde v1.0.92 [INFO] [stderr] Checking toml v0.5.1 [INFO] [stderr] Checking serde_json v1.0.40 [INFO] [stderr] Checking zz v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/emitter.rs:244:17 [INFO] [stderr] | [INFO] [stderr] 244 | _ => (), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable pattern [INFO] [stderr] --> src/emitter.rs:244:17 [INFO] [stderr] | [INFO] [stderr] 244 | _ => (), [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inline` [INFO] [stderr] --> src/emitter.rs:230:36 [INFO] [stderr] | [INFO] [stderr] 230 | ast::Def::Include {inline,..} => { [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `inline: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fields` [INFO] [stderr] --> src/emitter.rs:502:14 [INFO] [stderr] | [INFO] [stderr] 502 | let (fields, packed, _tail, union) = match &ast.def { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_fields` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `packed` [INFO] [stderr] --> src/emitter.rs:502:22 [INFO] [stderr] | [INFO] [stderr] 502 | let (fields, packed, _tail, union) = match &ast.def { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_packed` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `def_here` [INFO] [stderr] --> src/emitter.rs:501:57 [INFO] [stderr] | [INFO] [stderr] 501 | pub fn emit_struct_def(&mut self, ast: &ast::Local, def_here: bool, tail_variant: Option) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_def_here` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tail_variant` [INFO] [stderr] --> src/emitter.rs:501:73 [INFO] [stderr] | [INFO] [stderr] 501 | pub fn emit_struct_def(&mut self, ast: &ast::Local, def_here: bool, tail_variant: Option) { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_tail_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `inline` [INFO] [stderr] --> src/emitter.rs:230:36 [INFO] [stderr] | [INFO] [stderr] 230 | ast::Def::Include {inline,..} => { [INFO] [stderr] | ^^^^^^ help: try ignoring the field: `inline: _` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `fields` [INFO] [stderr] --> src/emitter.rs:502:14 [INFO] [stderr] | [INFO] [stderr] 502 | let (fields, packed, _tail, union) = match &ast.def { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_fields` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `packed` [INFO] [stderr] --> src/emitter.rs:502:22 [INFO] [stderr] | [INFO] [stderr] 502 | let (fields, packed, _tail, union) = match &ast.def { [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_packed` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `def_here` [INFO] [stderr] --> src/emitter.rs:501:57 [INFO] [stderr] | [INFO] [stderr] 501 | pub fn emit_struct_def(&mut self, ast: &ast::Local, def_here: bool, tail_variant: Option) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_def_here` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `tail_variant` [INFO] [stderr] --> src/emitter.rs:501:73 [INFO] [stderr] | [INFO] [stderr] 501 | pub fn emit_struct_def(&mut self, ast: &ast::Local, def_here: bool, tail_variant: Option) { [INFO] [stderr] | ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_tail_variant` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/symbolic.rs:2034:30 [INFO] [stderr] | [INFO] [stderr] 2034 | for (i, arg) in args.iter_mut().enumerate() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/expand.rs:109:32 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^ help: try ignoring the field: `args: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `callassert` [INFO] [stderr] --> src/expand.rs:109:38 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^^^^^^^ help: try ignoring the field: `callassert: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `callattests` [INFO] [stderr] --> src/expand.rs:109:50 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^^^^^^^^ help: try ignoring the field: `callattests: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `calleffect` [INFO] [stderr] --> src/expand.rs:109:63 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^^^^^^^ help: try ignoring the field: `calleffect: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/symbolic.rs:2034:30 [INFO] [stderr] | [INFO] [stderr] 2034 | for (i, arg) in args.iter_mut().enumerate() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/expand.rs:109:32 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^ help: try ignoring the field: `args: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `callassert` [INFO] [stderr] --> src/expand.rs:109:38 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^^^^^^^ help: try ignoring the field: `callassert: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `callattests` [INFO] [stderr] --> src/expand.rs:109:50 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^^^^^^^^ help: try ignoring the field: `callattests: _` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `calleffect` [INFO] [stderr] --> src/expand.rs:109:63 [INFO] [stderr] | [INFO] [stderr] 109 | ast::Def::Function{args, callassert, callattests, calleffect, ..} => { [INFO] [stderr] | ^^^^^^^^^^ help: try ignoring the field: `calleffect: _` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/abs.rs:594:9 [INFO] [stderr] | [INFO] [stderr] 594 | let mut newimports = Vec::new(); [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/abs.rs:594:9 [INFO] [stderr] | [INFO] [stderr] 594 | let mut newimports = Vec::new(); [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: unused import: `Duration` [INFO] [stderr] --> src/main.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/main.rs:13:17 [INFO] [stderr] | [INFO] [stderr] 13 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 24s [INFO] running `"docker" "inspect" "c9aa4d924752d79eee61bfbee5585bbb58cd75dad3f041d414e2ecbbf8b95ffc"` [INFO] running `"docker" "rm" "-f" "c9aa4d924752d79eee61bfbee5585bbb58cd75dad3f041d414e2ecbbf8b95ffc"` [INFO] [stdout] c9aa4d924752d79eee61bfbee5585bbb58cd75dad3f041d414e2ecbbf8b95ffc