[INFO] updating cached repository lbn/jimmy [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/lbn/jimmy [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/lbn/jimmy" "work/ex/beta-1.37-6/sources/1.36.0/gh/lbn/jimmy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/lbn/jimmy'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/lbn/jimmy" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/lbn/jimmy"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of lbn/jimmy on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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/beta-1.37-6/sources/1.36.0/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/beta-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing lbn/jimmy against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] ae48d06cf8e4ef3b817cf46d576253e8f8e0621fd40725b0536dea0e6608905c [INFO] running `"docker" "start" "-a" "ae48d06cf8e4ef3b817cf46d576253e8f8e0621fd40725b0536dea0e6608905c"` [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 1.61s [INFO] running `"docker" "inspect" "ae48d06cf8e4ef3b817cf46d576253e8f8e0621fd40725b0536dea0e6608905c"` [INFO] running `"docker" "rm" "-f" "ae48d06cf8e4ef3b817cf46d576253e8f8e0621fd40725b0536dea0e6608905c"` [INFO] [stdout] ae48d06cf8e4ef3b817cf46d576253e8f8e0621fd40725b0536dea0e6608905c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 7e5add4347826960101c2315a3b77d5bec446108154e5a0ce537dc8f189e4d69 [INFO] running `"docker" "start" "-a" "7e5add4347826960101c2315a3b77d5bec446108154e5a0ce537dc8f189e4d69"` [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 2.13s [INFO] running `"docker" "inspect" "7e5add4347826960101c2315a3b77d5bec446108154e5a0ce537dc8f189e4d69"` [INFO] running `"docker" "rm" "-f" "7e5add4347826960101c2315a3b77d5bec446108154e5a0ce537dc8f189e4d69"` [INFO] [stdout] 7e5add4347826960101c2315a3b77d5bec446108154e5a0ce537dc8f189e4d69 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-5/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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=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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 0bbaa829156d7e27b48613d242eeb17df09252c0598fba7532e7698a375a88c5 [INFO] running `"docker" "start" "-a" "0bbaa829156d7e27b48613d242eeb17df09252c0598fba7532e7698a375a88c5"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.02s [INFO] [stderr] Running /opt/crater/target/debug/deps/jimmy-ec464123605942fa [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] running `"docker" "inspect" "0bbaa829156d7e27b48613d242eeb17df09252c0598fba7532e7698a375a88c5"` [INFO] running `"docker" "rm" "-f" "0bbaa829156d7e27b48613d242eeb17df09252c0598fba7532e7698a375a88c5"` [INFO] [stdout] 0bbaa829156d7e27b48613d242eeb17df09252c0598fba7532e7698a375a88c5