[INFO] updating cached repository KeenS/calc
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KeenS/calc
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KeenS/calc" "work/ex/beta-1.37-6/sources/1.36.0/gh/KeenS/calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/KeenS/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KeenS/calc" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/calc"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/calc'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 85751abf833761e493922fce4efae96c6b2defc5
[INFO] sha for GitHub repo KeenS/calc: 85751abf833761e493922fce4efae96c6b2defc5
[INFO] validating manifest of KeenS/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 KeenS/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 KeenS/calc
[INFO] finished frobbing KeenS/calc
[INFO] frobbed toml for KeenS/calc written to work/ex/beta-1.37-6/sources/1.36.0/gh/KeenS/calc/Cargo.toml
[INFO] started frobbing KeenS/calc
[INFO] finished frobbing KeenS/calc
[INFO] frobbed toml for KeenS/calc written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/calc/Cargo.toml
[INFO] crate KeenS/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 KeenS/calc against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] f5bd2aa8486ebd8f1af4213d96a3f01a2d0ecc406a4bcccafd85a105d68949ef
[INFO] running `"docker" "start" "-a" "f5bd2aa8486ebd8f1af4213d96a3f01a2d0ecc406a4bcccafd85a105d68949ef"`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling nom v4.0.0
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(l: BinOp, op: Op, r: BinOp) -> BinOp {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.74s
[INFO] running `"docker" "inspect" "f5bd2aa8486ebd8f1af4213d96a3f01a2d0ecc406a4bcccafd85a105d68949ef"`
[INFO] running `"docker" "rm" "-f" "f5bd2aa8486ebd8f1af4213d96a3f01a2d0ecc406a4bcccafd85a105d68949ef"`
[INFO] [stdout] f5bd2aa8486ebd8f1af4213d96a3f01a2d0ecc406a4bcccafd85a105d68949ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] dba7b2c4454edbe4994ad81c74f2d960683ebb21feb76695ba040d8216cf2f41
[INFO] running `"docker" "start" "-a" "dba7b2c4454edbe4994ad81c74f2d960683ebb21feb76695ba040d8216cf2f41"`
[INFO] [stderr]    Compiling calc v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/main.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn new(l: BinOp, op: Op, r: BinOp) -> BinOp {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
[INFO] running `"docker" "inspect" "dba7b2c4454edbe4994ad81c74f2d960683ebb21feb76695ba040d8216cf2f41"`
[INFO] running `"docker" "rm" "-f" "dba7b2c4454edbe4994ad81c74f2d960683ebb21feb76695ba040d8216cf2f41"`
[INFO] [stdout] dba7b2c4454edbe4994ad81c74f2d960683ebb21feb76695ba040d8216cf2f41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/KeenS/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 0820bebdd16b7eb68d81eb06a7b128fa085b28f140ab8aac579f00afced73abc
[INFO] running `"docker" "start" "-a" "0820bebdd16b7eb68d81eb06a7b128fa085b28f140ab8aac579f00afced73abc"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/calc-5be02a336e50c9ca
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test test_expr_add3 ... ok
[INFO] [stdout] test test_expr_number_neg1 ... ok
[INFO] [stdout] test test_expr_mul_add ... ok
[INFO] [stdout] test test_atom_number_negn ... ok
[INFO] [stdout] test test_expr_add_mul ... ok
[INFO] [stdout] test test_expr_add ... ok
[INFO] [stdout] test test_atom_number_neg1 ... ok
[INFO] [stdout] test test_atom_number_pos1 ... ok
[INFO] [stdout] test test_expr_number_negn ... ok
[INFO] [stdout] test test_expr_number_pos1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0820bebdd16b7eb68d81eb06a7b128fa085b28f140ab8aac579f00afced73abc"`
[INFO] running `"docker" "rm" "-f" "0820bebdd16b7eb68d81eb06a7b128fa085b28f140ab8aac579f00afced73abc"`
[INFO] [stdout] 0820bebdd16b7eb68d81eb06a7b128fa085b28f140ab8aac579f00afced73abc