[INFO] updating cached repository Jon-Davis/calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Jon-Davis/calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Jon-Davis/calc" "work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/Jon-Davis/calc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/Jon-Davis/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Jon-Davis/calc" "work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/Jon-Davis/calc"`
[INFO] [stderr] Cloning into 'work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/Jon-Davis/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 13b1de91d032ba24ca1775141210df957100ae33
[INFO] sha for GitHub repo Jon-Davis/calc: 13b1de91d032ba24ca1775141210df957100ae33
[INFO] validating manifest of Jon-Davis/calc on toolchain master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Jon-Davis/calc on toolchain try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Jon-Davis/calc
[INFO] finished frobbing Jon-Davis/calc
[INFO] frobbed toml for Jon-Davis/calc written to work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/Jon-Davis/calc/Cargo.toml
[INFO] started frobbing Jon-Davis/calc
[INFO] finished frobbing Jon-Davis/calc
[INFO] frobbed toml for Jon-Davis/calc written to work/ex/pr-57321/sources/try#b9139d2caca1db46014a9c302d5c47cfae0d8ae0/gh/Jon-Davis/calc/Cargo.toml
[INFO] crate Jon-Davis/calc has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+b9139d2caca1db46014a9c302d5c47cfae0d8ae0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking Jon-Davis/calc against master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104 for pr-57321
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57321/worker-6/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57321/sources/master#c0bbc3927e28c22edefe6a1353b5ecc95ea9a104/gh/Jon-Davis/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=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" "+c0bbc3927e28c22edefe6a1353b5ecc95ea9a104-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1f51ec74f0b766da11c661f56a8abff1ad6004e963bd8505ee069415fc53255
[INFO] running `"docker" "start" "-a" "a1f51ec74f0b766da11c661f56a8abff1ad6004e963bd8505ee069415fc53255"`
[INFO] [stderr]     Checking calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused imports: `Div`, `Rem`
[INFO] [stderr]   --> src/integer.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stderr]    |                          ^^^       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/integer.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if (other.negative) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Div`, `Rem`
[INFO] [stderr]   --> src/integer.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::ops::{Add, Sub, Div, Mul, Rem, Neg};
[INFO] [stderr]    |                          ^^^       ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/integer.rs:90:12
[INFO] [stderr]    |
[INFO] [stderr] 90 |         if (other.negative) {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_u32`
[INFO] [stderr]   --> src/integer.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn from_u32(init : u32) -> Integer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_i32`
[INFO] [stderr]   --> src/integer.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn from_i32(init : i32) -> Integer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from_i64`
[INFO] [stderr]   --> src/integer.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn from_i64(init : i64) -> Integer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `abs`
[INFO] [stderr]   --> src/integer.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn abs(&self) -> Integer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `pow`
[INFO] [stderr]   --> src/integer.rs:89:5
[INFO] [stderr]    |
[INFO] [stderr] 89 |     pub fn pow(&self,other :&Integer) -> Integer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `abs`
[INFO] [stderr]   --> src/integer.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     pub fn abs(&self) -> Integer {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `"docker" "inspect" "a1f51ec74f0b766da11c661f56a8abff1ad6004e963bd8505ee069415fc53255"`
[INFO] running `"docker" "rm" "-f" "a1f51ec74f0b766da11c661f56a8abff1ad6004e963bd8505ee069415fc53255"`
[INFO] [stdout] a1f51ec74f0b766da11c661f56a8abff1ad6004e963bd8505ee069415fc53255