[INFO] updating cached repository jeremybobbin/calc [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/jeremybobbin/calc [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/jeremybobbin/calc" "work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/calc"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/calc'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jeremybobbin/calc" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremybobbin/calc"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremybobbin/calc'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] c41a486141c90a7c6235c6fe7ce842de1699fcee [INFO] sha for GitHub repo jeremybobbin/calc: c41a486141c90a7c6235c6fe7ce842de1699fcee [INFO] validating manifest of jeremybobbin/calc 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 jeremybobbin/calc 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 jeremybobbin/calc [INFO] finished frobbing jeremybobbin/calc [INFO] frobbed toml for jeremybobbin/calc written to work/ex/beta-1.38-1/sources/1.37.0/gh/jeremybobbin/calc/Cargo.toml [INFO] started frobbing jeremybobbin/calc [INFO] finished frobbing jeremybobbin/calc [INFO] frobbed toml for jeremybobbin/calc written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/jeremybobbin/calc/Cargo.toml [INFO] crate jeremybobbin/calc 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 jeremybobbin/calc 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-2/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/jeremybobbin/calc:/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] 2d6939e9256a8875373d3a65bd7cd1617010f483fa5b0ed3cbd96cb05378a000 [INFO] running `"docker" "start" "-a" "2d6939e9256a8875373d3a65bd7cd1617010f483fa5b0ed3cbd96cb05378a000"` [INFO] [stderr] Compiling calc v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut input: String = input.split_whitespace() [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: enum is never used: `ParseError` [INFO] [stderr] --> src/main.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | enum ParseError { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_number` [INFO] [stderr] --> src/main.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | fn next_number(chars: &mut std::iter::Peekable) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_having` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | / fn next_having(chars: &mut std::iter::Peekable, pred: F) -> String [INFO] [stderr] 24 | | where F: Fn(char) -> bool { [INFO] [stderr] 25 | | let mut filtered = String::new(); [INFO] [stderr] 26 | | while let Some(c) = chars.peek() { [INFO] [stderr] ... | [INFO] [stderr] 34 | | filtered [INFO] [stderr] 35 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.98s [INFO] running `"docker" "inspect" "2d6939e9256a8875373d3a65bd7cd1617010f483fa5b0ed3cbd96cb05378a000"` [INFO] running `"docker" "rm" "-f" "2d6939e9256a8875373d3a65bd7cd1617010f483fa5b0ed3cbd96cb05378a000"` [INFO] [stdout] 2d6939e9256a8875373d3a65bd7cd1617010f483fa5b0ed3cbd96cb05378a000 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/jeremybobbin/calc:/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] c7a8902bd4951613a09e57efd41b7bea0ad534ad7714f2a315eda9eb54f94347 [INFO] running `"docker" "start" "-a" "c7a8902bd4951613a09e57efd41b7bea0ad534ad7714f2a315eda9eb54f94347"` [INFO] [stderr] Compiling calc v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:49:9 [INFO] [stderr] | [INFO] [stderr] 49 | let mut input: String = input.split_whitespace() [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: enum is never used: `ParseError` [INFO] [stderr] --> src/main.rs:10:1 [INFO] [stderr] | [INFO] [stderr] 10 | enum ParseError { [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_number` [INFO] [stderr] --> src/main.rs:19:1 [INFO] [stderr] | [INFO] [stderr] 19 | fn next_number(chars: &mut std::iter::Peekable) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `next_having` [INFO] [stderr] --> src/main.rs:23:1 [INFO] [stderr] | [INFO] [stderr] 23 | / fn next_having(chars: &mut std::iter::Peekable, pred: F) -> String [INFO] [stderr] 24 | | where F: Fn(char) -> bool { [INFO] [stderr] 25 | | let mut filtered = String::new(); [INFO] [stderr] 26 | | while let Some(c) = chars.peek() { [INFO] [stderr] ... | [INFO] [stderr] 34 | | filtered [INFO] [stderr] 35 | | } [INFO] [stderr] | |_^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.51s [INFO] running `"docker" "inspect" "c7a8902bd4951613a09e57efd41b7bea0ad534ad7714f2a315eda9eb54f94347"` [INFO] running `"docker" "rm" "-f" "c7a8902bd4951613a09e57efd41b7bea0ad534ad7714f2a315eda9eb54f94347"` [INFO] [stdout] c7a8902bd4951613a09e57efd41b7bea0ad534ad7714f2a315eda9eb54f94347 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/jeremybobbin/calc:/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] cc4a21eca27d9eef53d3cd4a688dfa754e48adffc20c7ee37f126212ee50b9ef [INFO] running `"docker" "start" "-a" "cc4a21eca27d9eef53d3cd4a688dfa754e48adffc20c7ee37f126212ee50b9ef"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/calc-d7ab634bafced6c6 [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" "cc4a21eca27d9eef53d3cd4a688dfa754e48adffc20c7ee37f126212ee50b9ef"` [INFO] running `"docker" "rm" "-f" "cc4a21eca27d9eef53d3cd4a688dfa754e48adffc20c7ee37f126212ee50b9ef"` [INFO] [stdout] cc4a21eca27d9eef53d3cd4a688dfa754e48adffc20c7ee37f126212ee50b9ef