[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-1.37-6/sources/1.36.0/gh/jeremybobbin/calc"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/jeremybobbin/calc'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/jeremybobbin/calc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/jeremybobbin/calc"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of jeremybobbin/calc 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 jeremybobbin/calc [INFO] finished frobbing jeremybobbin/calc [INFO] frobbed toml for jeremybobbin/calc written to work/ex/beta-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "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 jeremybobbin/calc 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] b674893518d6afd728452e0b9143d04c53f4310ca88c17423daec703821771ed [INFO] running `"docker" "start" "-a" "b674893518d6afd728452e0b9143d04c53f4310ca88c17423daec703821771ed"` [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 0.85s [INFO] running `"docker" "inspect" "b674893518d6afd728452e0b9143d04c53f4310ca88c17423daec703821771ed"` [INFO] running `"docker" "rm" "-f" "b674893518d6afd728452e0b9143d04c53f4310ca88c17423daec703821771ed"` [INFO] [stdout] b674893518d6afd728452e0b9143d04c53f4310ca88c17423daec703821771ed [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 493e55c81429959a0e24b7951f56e6b30948cdfca89d62b2f9b53b9fa6f5aad0 [INFO] running `"docker" "start" "-a" "493e55c81429959a0e24b7951f56e6b30948cdfca89d62b2f9b53b9fa6f5aad0"` [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 1.01s [INFO] running `"docker" "inspect" "493e55c81429959a0e24b7951f56e6b30948cdfca89d62b2f9b53b9fa6f5aad0"` [INFO] running `"docker" "rm" "-f" "493e55c81429959a0e24b7951f56e6b30948cdfca89d62b2f9b53b9fa6f5aad0"` [INFO] [stdout] 493e55c81429959a0e24b7951f56e6b30948cdfca89d62b2f9b53b9fa6f5aad0 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 026692557a61d1a61a8e60ea53cb62073b3592c3fdd0ce0dd47939663f08ffdd [INFO] running `"docker" "start" "-a" "026692557a61d1a61a8e60ea53cb62073b3592c3fdd0ce0dd47939663f08ffdd"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/calc-1ef13920e9c0831b [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" "026692557a61d1a61a8e60ea53cb62073b3592c3fdd0ce0dd47939663f08ffdd"` [INFO] running `"docker" "rm" "-f" "026692557a61d1a61a8e60ea53cb62073b3592c3fdd0ce0dd47939663f08ffdd"` [INFO] [stdout] 026692557a61d1a61a8e60ea53cb62073b3592c3fdd0ce0dd47939663f08ffdd