[INFO] updating cached repository Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees" "work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees" "work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees"` [INFO] [stderr] Cloning into 'work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e080a4b5b9bde0beb557249f4d78827416042c8b [INFO] sha for GitHub repo Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees: e080a4b5b9bde0beb557249f4d78827416042c8b [INFO] validating manifest of Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees on toolchain master#39401465da4ce27aeeb2c2a26133ac35c63aa515 [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees on toolchain try#f45cc3094ee337acd688771b9234318046b0572d [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] finished frobbing Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] frobbed toml for Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees written to work/ex/pr-60914/sources/master#39401465da4ce27aeeb2c2a26133ac35c63aa515/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees/Cargo.toml [INFO] started frobbing Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] finished frobbing Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees [INFO] frobbed toml for Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees written to work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees/Cargo.toml [INFO] crate Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees already has a lockfile, it will not be regenerated [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+39401465da4ce27aeeb2c2a26133ac35c63aa515-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees against try#f45cc3094ee337acd688771b9234318046b0572d for pr-60914 [INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60914/worker-6/try#f45cc3094ee337acd688771b9234318046b0572d:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60914/sources/try#f45cc3094ee337acd688771b9234318046b0572d/gh/Lapz/Compiling-Pattern-Matching-to-Good-Decision-Trees:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+f45cc3094ee337acd688771b9234318046b0572d-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 03b3a9f2e5ee07f05183938edc11a0b566e6cc7e45d7ba549a41daef11cf1b88 [INFO] running `"docker" "start" "-a" "03b3a9f2e5ee07f05183938edc11a0b566e6cc7e45d7ba549a41daef11cf1b88"` [INFO] [stderr] Checking slpj v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Display`, `self` [INFO] [stderr] --> src/main.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt::{self, Display}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::hint::unreachable_unchecked; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::collections::HashSet` [INFO] [stderr] --> src/main.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use std::collections::HashSet; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_imports)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Display`, `self` [INFO] [stderr] --> src/main.rs:5:16 [INFO] [stderr] | [INFO] [stderr] 5 | use std::fmt::{self, Display}; [INFO] [stderr] | ^^^^ ^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::hint::unreachable_unchecked` [INFO] [stderr] --> src/main.rs:6:5 [INFO] [stderr] | [INFO] [stderr] 6 | use std::hint::unreachable_unchecked; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/decision.rs:2:31 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt::{self, Display, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/matrix.rs:124:21 [INFO] [stderr] | [INFO] [stderr] 124 | for j in 0..self.columns[i].0.len() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/matrix.rs:151:14 [INFO] [stderr] | [INFO] [stderr] 151 | for (i, row) in self.columns.iter().enumerate() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_signature` [INFO] [stderr] --> src/matrix.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | pub fn get_signature(&self,index:usize) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Or` [INFO] [stderr] --> src/pattern.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Or(Box, Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `nil` [INFO] [stderr] --> src/pattern.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn nil() -> Pattern { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Write` [INFO] [stderr] --> src/decision.rs:2:31 [INFO] [stderr] | [INFO] [stderr] 2 | use std::fmt::{self, Display, Write}; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `j` [INFO] [stderr] --> src/matrix.rs:124:21 [INFO] [stderr] | [INFO] [stderr] 124 | for j in 0..self.columns[i].0.len() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_j` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `i` [INFO] [stderr] --> src/matrix.rs:151:14 [INFO] [stderr] | [INFO] [stderr] 151 | for (i, row) in self.columns.iter().enumerate() { [INFO] [stderr] | ^ help: consider prefixing with an underscore: `_i` [INFO] [stderr] [INFO] [stderr] warning: method is never used: `get_signature` [INFO] [stderr] --> src/matrix.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | pub fn get_signature(&self,index:usize) -> HashSet { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Or` [INFO] [stderr] --> src/pattern.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | Or(Box, Box), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `nil` [INFO] [stderr] --> src/pattern.rs:32:1 [INFO] [stderr] | [INFO] [stderr] 32 | pub fn nil() -> Pattern { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.80s [INFO] running `"docker" "inspect" "03b3a9f2e5ee07f05183938edc11a0b566e6cc7e45d7ba549a41daef11cf1b88"` [INFO] running `"docker" "rm" "-f" "03b3a9f2e5ee07f05183938edc11a0b566e6cc7e45d7ba549a41daef11cf1b88"` [INFO] [stdout] 03b3a9f2e5ee07f05183938edc11a0b566e6cc7e45d7ba549a41daef11cf1b88