[INFO] cloning repository lbn/jimmy [INFO] running `"git" "clone" "--bare" "git://github.com/lbn/jimmy.git" "work/cache/sources/gh/lbn/jimmy"` [INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/lbn/jimmy'... [INFO] running `"git" "clone" "work/cache/sources/gh/lbn/jimmy" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lbn/jimmy"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lbn/jimmy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lbn/jimmy" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lbn/jimmy"` [INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lbn/jimmy'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] bc7b44d0e4036edf7a4e41a39e586d62fd74a161 [INFO] sha for GitHub repo lbn/jimmy: bc7b44d0e4036edf7a4e41a39e586d62fd74a161 [INFO] validating manifest of lbn/jimmy on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of lbn/jimmy on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing lbn/jimmy [INFO] finished frobbing lbn/jimmy [INFO] frobbed toml for lbn/jimmy written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lbn/jimmy/Cargo.toml [INFO] started frobbing lbn/jimmy [INFO] finished frobbing lbn/jimmy [INFO] frobbed toml for lbn/jimmy written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/lbn/jimmy/Cargo.toml [INFO] crate lbn/jimmy already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lbn/jimmy/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing lbn/jimmy against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lbn/jimmy:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"` [INFO] [stdout] d3a942e2a56a7388f8bf0c41c0ba8f9ea7363ed61d6cbd55477ad14e973bc300 [INFO] running `"docker" "start" "-a" "d3a942e2a56a7388f8bf0c41c0ba8f9ea7363ed61d6cbd55477ad14e973bc300"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] [stderr] Compiling jimmy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `day` [INFO] [stderr] --> src/main.rs:303:13 [INFO] [stderr] | [INFO] [stderr] 303 | let day = Day::input(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_day` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/main.rs:233:20 [INFO] [stderr] | [INFO] [stderr] 233 | fn save(&self, filename: &str) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut stdin = io::stdin(); [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/main.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | let mut stdin = io::stdin(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:113:12 [INFO] [stderr] | [INFO] [stderr] 113 | let mut nsets: Vec = self.sets.iter().map(|set| set.serialise()).collect(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | let mut stdin = io::stdin(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:180:12 [INFO] [stderr] | [INFO] [stderr] 180 | let mut nexs: Vec = self.exercises.iter().map(|ex| ex.serialise()).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:244:12 [INFO] [stderr] | [INFO] [stderr] 244 | let mut days: Vec = self.days.iter().map(|day| day.serialise()).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `file` [INFO] [stderr] --> src/main.rs:199:5 [INFO] [stderr] | [INFO] [stderr] 199 | file: File [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.49s [INFO] running `"docker" "inspect" "d3a942e2a56a7388f8bf0c41c0ba8f9ea7363ed61d6cbd55477ad14e973bc300"` [INFO] running `"docker" "rm" "-f" "d3a942e2a56a7388f8bf0c41c0ba8f9ea7363ed61d6cbd55477ad14e973bc300"` [INFO] [stdout] d3a942e2a56a7388f8bf0c41c0ba8f9ea7363ed61d6cbd55477ad14e973bc300 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lbn/jimmy:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"` [INFO] [stdout] d28e9a88b72ab96399fdea953996d647b2c91393702bd423859cddd070ec7d85 [INFO] running `"docker" "start" "-a" "d28e9a88b72ab96399fdea953996d647b2c91393702bd423859cddd070ec7d85"` [INFO] [stderr] Compiling jimmy v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `day` [INFO] [stderr] --> src/main.rs:303:13 [INFO] [stderr] | [INFO] [stderr] 303 | let day = Day::input(); [INFO] [stderr] | ^^^ help: consider prefixing with an underscore: `_day` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `filename` [INFO] [stderr] --> src/main.rs:233:20 [INFO] [stderr] | [INFO] [stderr] 233 | fn save(&self, filename: &str) { [INFO] [stderr] | ^^^^^^^^ help: consider prefixing with an underscore: `_filename` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:45:13 [INFO] [stderr] | [INFO] [stderr] 45 | let mut stdin = io::stdin(); [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/main.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | let mut stdin = io::stdin(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:113:12 [INFO] [stderr] | [INFO] [stderr] 113 | let mut nsets: Vec = self.sets.iter().map(|set| set.serialise()).collect(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:154:13 [INFO] [stderr] | [INFO] [stderr] 154 | let mut stdin = io::stdin(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:180:12 [INFO] [stderr] | [INFO] [stderr] 180 | let mut nexs: Vec = self.exercises.iter().map(|ex| ex.serialise()).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:244:12 [INFO] [stderr] | [INFO] [stderr] 244 | let mut days: Vec = self.days.iter().map(|day| day.serialise()).collect(); [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: field is never used: `file` [INFO] [stderr] --> src/main.rs:199:5 [INFO] [stderr] | [INFO] [stderr] 199 | file: File [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(dead_code)] on by default [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.97s [INFO] running `"docker" "inspect" "d28e9a88b72ab96399fdea953996d647b2c91393702bd423859cddd070ec7d85"` [INFO] running `"docker" "rm" "-f" "d28e9a88b72ab96399fdea953996d647b2c91393702bd423859cddd070ec7d85"` [INFO] [stdout] d28e9a88b72ab96399fdea953996d647b2c91393702bd423859cddd070ec7d85 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-4/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/lbn/jimmy:/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=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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"` [INFO] [stdout] fbdfd185c708990f438a62a197aeaa35aa3a6399524de509870031658e475cb5 [INFO] running `"docker" "start" "-a" "fbdfd185c708990f438a62a197aeaa35aa3a6399524de509870031658e475cb5"` [INFO] [stdout] [INFO] [stdout] running 1 test [INFO] [stdout] test tests::get_pre ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/jimmy-fa6faa989bbfe1a2 [INFO] running `"docker" "inspect" "fbdfd185c708990f438a62a197aeaa35aa3a6399524de509870031658e475cb5"` [INFO] running `"docker" "rm" "-f" "fbdfd185c708990f438a62a197aeaa35aa3a6399524de509870031658e475cb5"` [INFO] [stdout] fbdfd185c708990f438a62a197aeaa35aa3a6399524de509870031658e475cb5