[INFO] cloning repository https://github.com/scottgifford/nerdlebot [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scottgifford/nerdlebot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottgifford%2Fnerdlebot", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottgifford%2Fnerdlebot'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0024b0d1fbed1b388d4ce0adac14a2eafd7a0c8b [INFO] testing scottgifford/nerdlebot against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscottgifford%2Fnerdlebot" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/scottgifford/nerdlebot on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/scottgifford/nerdlebot [INFO] finished tweaking git repo https://github.com/scottgifford/nerdlebot [INFO] tweaked toml for git repo https://github.com/scottgifford/nerdlebot written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/scottgifford/nerdlebot 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1959f5f66a3850bfce7498c54a82de918e3577c873629cf387298d5586ed3a75 [INFO] running `Command { std: "docker" "start" "-a" "1959f5f66a3850bfce7498c54a82de918e3577c873629cf387298d5586ed3a75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1959f5f66a3850bfce7498c54a82de918e3577c873629cf387298d5586ed3a75", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1959f5f66a3850bfce7498c54a82de918e3577c873629cf387298d5586ed3a75", kill_on_drop: false }` [INFO] [stdout] 1959f5f66a3850bfce7498c54a82de918e3577c873629cf387298d5586ed3a75 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b648c77d5a6130810aeb50c3ca2df53922b5f3fdde2b46d70850f85e8fc2577 [INFO] running `Command { std: "docker" "start" "-a" "4b648c77d5a6130810aeb50c3ca2df53922b5f3fdde2b46d70850f85e8fc2577", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.103 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling getrandom v0.2.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling rand_core v0.6.3 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling rand v0.8.4 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling nerdlebot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nerdledata.rs:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | let mut ent = self.char_info.entry(*ch).or_insert(NerdleCharInfo::new()); [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/nerdledata.rs:145:21 [INFO] [stdout] | [INFO] [stdout] 145 | let mut char_info = self.char_info.entry(*ch).or_insert(NerdleCharInfo::new()); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.39s [INFO] running `Command { std: "docker" "inspect" "4b648c77d5a6130810aeb50c3ca2df53922b5f3fdde2b46d70850f85e8fc2577", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b648c77d5a6130810aeb50c3ca2df53922b5f3fdde2b46d70850f85e8fc2577", kill_on_drop: false }` [INFO] [stdout] 4b648c77d5a6130810aeb50c3ca2df53922b5f3fdde2b46d70850f85e8fc2577 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4aa2b007c175f94b770c608adb0bf17863cf0272da8068a73af3e59782c44b2c [INFO] running `Command { std: "docker" "start" "-a" "4aa2b007c175f94b770c608adb0bf17863cf0272da8068a73af3e59782c44b2c", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling crossbeam-utils v0.8.8 [INFO] [stderr] Compiling serde v1.0.136 [INFO] [stderr] Compiling semver v1.0.7 [INFO] [stderr] Compiling proc-macro2 v1.0.37 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling ryu v1.0.9 [INFO] [stderr] Compiling syn v1.0.91 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.79 [INFO] [stderr] Compiling itoa v1.0.1 [INFO] [stderr] Compiling plotters-backend v0.3.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling regex-automata v0.1.10 [INFO] [stderr] Compiling unicode-width v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.136 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling itertools v0.10.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling itoa v0.4.8 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling half v1.8.2 [INFO] [stderr] Compiling oorandom v11.1.3 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.8 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling plotters-svg v0.3.1 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling crossbeam-channel v0.5.4 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.17 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling plotters v0.3.1 [INFO] [stderr] Compiling criterion-plot v0.4.4 [INFO] [stderr] Compiling bstr v0.2.17 [INFO] [stderr] Compiling serde_cbor v0.11.2 [INFO] [stderr] Compiling csv v1.1.6 [INFO] [stderr] Compiling tinytemplate v1.2.1 [INFO] [stderr] Compiling criterion v0.3.5 [INFO] [stderr] Compiling nerdlebot v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/nerdledata.rs:132:17 [INFO] [stdout] | [INFO] [stdout] 132 | let mut ent = self.char_info.entry(*ch).or_insert(NerdleCharInfo::new()); [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/nerdledata.rs:145:21 [INFO] [stdout] | [INFO] [stdout] 145 | let mut char_info = self.char_info.entry(*ch).or_insert(NerdleCharInfo::new()); [INFO] [stdout] | ----^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 27.88s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "4aa2b007c175f94b770c608adb0bf17863cf0272da8068a73af3e59782c44b2c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4aa2b007c175f94b770c608adb0bf17863cf0272da8068a73af3e59782c44b2c", kill_on_drop: false }` [INFO] [stdout] 4aa2b007c175f94b770c608adb0bf17863cf0272da8068a73af3e59782c44b2c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b3fa784e3fa3285add42b3d2027def7758976d763e15990f502ea85a8597ad64 [INFO] running `Command { std: "docker" "start" "-a" "b3fa784e3fa3285add42b3d2027def7758976d763e15990f502ea85a8597ad64", kill_on_drop: false }` [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/nerdledata.rs:132:17 [INFO] [stderr] | [INFO] [stderr] 132 | let mut ent = self.char_info.entry(*ch).or_insert(NerdleCharInfo::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/nerdledata.rs:145:21 [INFO] [stderr] | [INFO] [stderr] 145 | let mut char_info = self.char_info.entry(*ch).or_insert(NerdleCharInfo::new()); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: `nerdlebot` (bin "nerdlebot" test) generated 2 warnings (run `cargo fix --bin "nerdlebot" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.18s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/nerdlebot-0962911ca402e1c9) [INFO] [stdout] [INFO] [stdout] running 17 tests [INFO] [stdout] test expr::add_frac_test ... ok [INFO] [stdout] test eqgen::are_ops_ok_test ... ok [INFO] [stdout] test expr::div_frac_test ... ok [INFO] [stdout] test expr::div_int_test ... ok [INFO] [stdout] test expr::mul_frac_test ... ok [INFO] [stdout] test expr::simple_frac_test ... ok [INFO] [stdout] test expr::simplify_test ... ok [INFO] [stdout] test expr::sub_frac_test ... ok [INFO] [stdout] test expr::sub_int_test ... ok [INFO] [stdout] test constraint::range_intersect_test ... ok [INFO] [stdout] test util::range_rand_or_only_test ... ok [INFO] [stdout] test util::num_digits_test ... ok [INFO] [stdout] test expr::add_int_test ... ok [INFO] [stdout] test expr::mul_int_test ... ok [INFO] [stdout] test nerdsolver::regex_for_digits_test_1 ... ok [INFO] [stdout] test expr::simple_int_test ... ok [INFO] [stdout] test nerdsolver::regression_test_1 ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "b3fa784e3fa3285add42b3d2027def7758976d763e15990f502ea85a8597ad64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b3fa784e3fa3285add42b3d2027def7758976d763e15990f502ea85a8597ad64", kill_on_drop: false }` [INFO] [stdout] b3fa784e3fa3285add42b3d2027def7758976d763e15990f502ea85a8597ad64