[INFO] crate const-if 0.1.3 is already in cache
[INFO] extracting crate const-if 0.1.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/const-if/0.1.3
[INFO] extracting crate const-if 0.1.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/const-if/0.1.3
[INFO] validating manifest of const-if-0.1.3 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 const-if-0.1.3 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 const-if-0.1.3
[INFO] finished frobbing const-if-0.1.3
[INFO] frobbed toml for const-if-0.1.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/const-if/0.1.3/Cargo.toml
[INFO] started frobbing const-if-0.1.3
[INFO] finished frobbing const-if-0.1.3
[INFO] frobbed toml for const-if-0.1.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/const-if/0.1.3/Cargo.toml
[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 const-if-0.1.3 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-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/const-if/0.1.3:/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] ece7ff7423f325145a98ad952c3a4db9f257cd703ea0d11578dc53fb0b69c661
[INFO] running `"docker" "start" "-a" "ece7ff7423f325145a98ad952c3a4db9f257cd703ea0d11578dc53fb0b69c661"`
[INFO] [stderr]    Compiling const-if v0.1.3 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `min`
[INFO] [stderr]   --> src/lib.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 |     const fn min(x: i32, y: i32) -> i32 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_zero`
[INFO] [stderr]   --> src/lib.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     const fn is_zero(i: i32) -> &'static str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `compare_to_42`
[INFO] [stderr]   --> src/lib.rs:48:5
[INFO] [stderr]    |
[INFO] [stderr] 48 |     const fn compare_to_42(i: i32) -> &'static str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `int_to_str`
[INFO] [stderr]   --> src/lib.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     const fn int_to_str(i: i32) -> &'static str {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "ece7ff7423f325145a98ad952c3a4db9f257cd703ea0d11578dc53fb0b69c661"`
[INFO] running `"docker" "rm" "-f" "ece7ff7423f325145a98ad952c3a4db9f257cd703ea0d11578dc53fb0b69c661"`
[INFO] [stdout] ece7ff7423f325145a98ad952c3a4db9f257cd703ea0d11578dc53fb0b69c661
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/const-if/0.1.3:/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] 89ef60ae50166095f940c0f8a20f6cf0f9734e0d394aa3bb8ba71c118e1e7fb3
[INFO] running `"docker" "start" "-a" "89ef60ae50166095f940c0f8a20f6cf0f9734e0d394aa3bb8ba71c118e1e7fb3"`
[INFO] [stderr]    Compiling const-if v0.1.3 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "89ef60ae50166095f940c0f8a20f6cf0f9734e0d394aa3bb8ba71c118e1e7fb3"`
[INFO] running `"docker" "rm" "-f" "89ef60ae50166095f940c0f8a20f6cf0f9734e0d394aa3bb8ba71c118e1e7fb3"`
[INFO] [stdout] 89ef60ae50166095f940c0f8a20f6cf0f9734e0d394aa3bb8ba71c118e1e7fb3
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/const-if/0.1.3:/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] 6f9f44ac94d54d0689f17067b6a7872e3da927880c89d4add8b33ef75673973d
[INFO] running `"docker" "start" "-a" "6f9f44ac94d54d0689f17067b6a7872e3da927880c89d4add8b33ef75673973d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/const_if-7942fe226211fcc8
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test tests::test_expanded ... ok
[INFO] [stderr]    Doc-tests const-if
[INFO] [stdout] test tests::test_if_elif_else ... ok
[INFO] [stdout] test tests::test_min ... ok
[INFO] [stdout] test tests::test_multiple_elif ... ok
[INFO] [stdout] test tests::test_if_else ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "6f9f44ac94d54d0689f17067b6a7872e3da927880c89d4add8b33ef75673973d"`
[INFO] running `"docker" "rm" "-f" "6f9f44ac94d54d0689f17067b6a7872e3da927880c89d4add8b33ef75673973d"`
[INFO] [stdout] 6f9f44ac94d54d0689f17067b6a7872e3da927880c89d4add8b33ef75673973d