[INFO] updating cached repository whothey/firstfollow [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/whothey/firstfollow [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/whothey/firstfollow" "work/ex/beta-1.38-1/sources/1.37.0/gh/whothey/firstfollow"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/whothey/firstfollow'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/whothey/firstfollow" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whothey/firstfollow"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whothey/firstfollow'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] ed70ddfb2c949e42afc1b1b7e51e22ef854739a2 [INFO] sha for GitHub repo whothey/firstfollow: ed70ddfb2c949e42afc1b1b7e51e22ef854739a2 [INFO] validating manifest of whothey/firstfollow on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of whothey/firstfollow on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing whothey/firstfollow [INFO] finished frobbing whothey/firstfollow [INFO] frobbed toml for whothey/firstfollow written to work/ex/beta-1.38-1/sources/1.37.0/gh/whothey/firstfollow/Cargo.toml [INFO] started frobbing whothey/firstfollow [INFO] finished frobbing whothey/firstfollow [INFO] frobbed toml for whothey/firstfollow written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whothey/firstfollow/Cargo.toml [INFO] crate whothey/firstfollow already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing whothey/firstfollow against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whothey/firstfollow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 2e4e1a4069221eb524a9845cf96121a7d929b8be7bedcda49f938fd22244eeae [INFO] running `"docker" "start" "-a" "2e4e1a4069221eb524a9845cf96121a7d929b8be7bedcda49f938fd22244eeae"` [INFO] [stderr] Compiling libc v0.2.26 [INFO] [stderr] Compiling thread_local v0.3.4 [INFO] [stderr] Compiling memchr v1.0.1 [INFO] [stderr] Compiling aho-corasick v0.6.3 [INFO] [stderr] Compiling regex v0.2.2 [INFO] [stderr] Compiling env_logger v0.4.3 [INFO] [stderr] Compiling firstfollow v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/formalgrammar/mod.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | / lazy_static! { [INFO] [stderr] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/formalgrammar/mod.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | / lazy_static! { [INFO] [stderr] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/formalgrammar/mod.rs:108:37 [INFO] [stderr] | [INFO] [stderr] 108 | let mut set = first.get_mut(key).unwrap(); [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/formalgrammar/mod.rs:181:33 [INFO] [stderr] | [INFO] [stderr] 181 | let mut set = follow_map.entry(target) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_terminal` [INFO] [stderr] --> src/formalgrammar/symbol.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn is_terminal(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_nonterminal` [INFO] [stderr] --> src/formalgrammar/symbol.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn is_nonterminal(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 13.01s [INFO] running `"docker" "inspect" "2e4e1a4069221eb524a9845cf96121a7d929b8be7bedcda49f938fd22244eeae"` [INFO] running `"docker" "rm" "-f" "2e4e1a4069221eb524a9845cf96121a7d929b8be7bedcda49f938fd22244eeae"` [INFO] [stdout] 2e4e1a4069221eb524a9845cf96121a7d929b8be7bedcda49f938fd22244eeae [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whothey/firstfollow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 01341e21b29c777249a7c33f7fa5a078bad3d73d6461784c053e9c15ac79d3d1 [INFO] running `"docker" "start" "-a" "01341e21b29c777249a7c33f7fa5a078bad3d73d6461784c053e9c15ac79d3d1"` [INFO] [stderr] Compiling firstfollow v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/formalgrammar/mod.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | / lazy_static! { [INFO] [stderr] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred [INFO] [stderr] --> src/formalgrammar/mod.rs:20:1 [INFO] [stderr] | [INFO] [stderr] 20 | / lazy_static! { [INFO] [stderr] 21 | | static ref FIRST_EPSILON: Symbol = Symbol::Terminal(EPSILON_CHAR.to_string()); [INFO] [stderr] 22 | | } [INFO] [stderr] | |_^ [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/formalgrammar/mod.rs:108:37 [INFO] [stderr] | [INFO] [stderr] 108 | let mut set = first.get_mut(key).unwrap(); [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/formalgrammar/mod.rs:181:33 [INFO] [stderr] | [INFO] [stderr] 181 | let mut set = follow_map.entry(target) [INFO] [stderr] | ----^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_terminal` [INFO] [stderr] --> src/formalgrammar/symbol.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | pub fn is_terminal(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: method is never used: `is_nonterminal` [INFO] [stderr] --> src/formalgrammar/symbol.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | pub fn is_nonterminal(&self) -> bool { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `"docker" "inspect" "01341e21b29c777249a7c33f7fa5a078bad3d73d6461784c053e9c15ac79d3d1"` [INFO] running `"docker" "rm" "-f" "01341e21b29c777249a7c33f7fa5a078bad3d73d6461784c053e9c15ac79d3d1"` [INFO] [stdout] 01341e21b29c777249a7c33f7fa5a078bad3d73d6461784c053e9c15ac79d3d1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/whothey/firstfollow:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] f47e0a522a10ef841f772883db76fb0b525f8f7000d1db27bed8695c6c92c254 [INFO] running `"docker" "start" "-a" "f47e0a522a10ef841f772883db76fb0b525f8f7000d1db27bed8695c6c92c254"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/firstfollow-70f5f359bc87b2d7 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "f47e0a522a10ef841f772883db76fb0b525f8f7000d1db27bed8695c6c92c254"` [INFO] running `"docker" "rm" "-f" "f47e0a522a10ef841f772883db76fb0b525f8f7000d1db27bed8695c6c92c254"` [INFO] [stdout] f47e0a522a10ef841f772883db76fb0b525f8f7000d1db27bed8695c6c92c254