[INFO] cloning repository https://github.com/whothey/firstfollow [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/whothey/firstfollow" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhothey%2Ffirstfollow", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhothey%2Ffirstfollow'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed70ddfb2c949e42afc1b1b7e51e22ef854739a2 [INFO] checking whothey/firstfollow against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwhothey%2Ffirstfollow" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/whothey/firstfollow 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/whothey/firstfollow [INFO] finished tweaking git repo https://github.com/whothey/firstfollow [INFO] tweaked toml for git repo https://github.com/whothey/firstfollow written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/whothey/firstfollow 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 9f42edca018962ff61e83b93e7cd76ad8fafe2b42ef53fb18579782710471881 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "9f42edca018962ff61e83b93e7cd76ad8fafe2b42ef53fb18579782710471881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "9f42edca018962ff61e83b93e7cd76ad8fafe2b42ef53fb18579782710471881", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f42edca018962ff61e83b93e7cd76ad8fafe2b42ef53fb18579782710471881", kill_on_drop: false }` [INFO] [stdout] 9f42edca018962ff61e83b93e7cd76ad8fafe2b42ef53fb18579782710471881 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] f5514e87ba59e48e285c6f3082c7e80415ebb204fb4be7cdeddb7d2e20af6208 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f5514e87ba59e48e285c6f3082c7e80415ebb204fb4be7cdeddb7d2e20af6208", kill_on_drop: false }` [INFO] [stderr] Checking libc v0.2.26 [INFO] [stderr] Checking lazy_static v0.2.8 [INFO] [stderr] Checking thread_local v0.3.4 [INFO] [stderr] Checking memchr v1.0.1 [INFO] [stderr] Checking aho-corasick v0.6.3 [INFO] [stderr] Checking regex v0.2.2 [INFO] [stderr] Checking env_logger v0.4.3 [INFO] [stderr] Checking firstfollow v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred [INFO] [stdout] --> src/formalgrammar/mod.rs:20:1 [INFO] [stdout] | [INFO] [stdout] 20 | / lazy_static! { [INFO] [stdout] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stdout] 22 | | } [INFO] [stdout] | |_^ [INFO] [stdout] | [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formalgrammar/mod.rs:108:37 [INFO] [stdout] | [INFO] [stdout] 108 | ... let mut set = first.get_mut(key).unwrap(); [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/formalgrammar/mod.rs:181:33 [INFO] [stdout] | [INFO] [stdout] 181 | ... let mut set = follow_map.entry(target) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_terminal` [INFO] [stdout] --> src/formalgrammar/symbol.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn is_terminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/formalgrammar/mod.rs:108:37 [INFO] [stdout] | [INFO] [stdout] 108 | ... let mut set = first.get_mut(key).unwrap(); [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/formalgrammar/mod.rs:181:33 [INFO] [stdout] | [INFO] [stdout] 181 | ... let mut set = follow_map.entry(target) [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_terminal` [INFO] [stdout] --> src/formalgrammar/symbol.rs:10:12 [INFO] [stdout] | [INFO] [stdout] 10 | pub fn is_terminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_nonterminal` [INFO] [stdout] --> src/formalgrammar/symbol.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn is_nonterminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `is_nonterminal` [INFO] [stdout] --> src/formalgrammar/symbol.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | pub fn is_nonterminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 5.37s [INFO] running `Command { std: "docker" "inspect" "f5514e87ba59e48e285c6f3082c7e80415ebb204fb4be7cdeddb7d2e20af6208", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f5514e87ba59e48e285c6f3082c7e80415ebb204fb4be7cdeddb7d2e20af6208", kill_on_drop: false }` [INFO] [stdout] f5514e87ba59e48e285c6f3082c7e80415ebb204fb4be7cdeddb7d2e20af6208