[INFO] crate memoization 0.1.0 is already in cache
[INFO] extracting crate memoization 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/memoization/0.1.0
[INFO] extracting crate memoization 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memoization/0.1.0
[INFO] validating manifest of memoization-0.1.0 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 memoization-0.1.0 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 memoization-0.1.0
[INFO] finished frobbing memoization-0.1.0
[INFO] frobbed toml for memoization-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/memoization/0.1.0/Cargo.toml
[INFO] started frobbing memoization-0.1.0
[INFO] finished frobbing memoization-0.1.0
[INFO] frobbed toml for memoization-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memoization/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 memoization-0.1.0 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-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memoization/0.1.0:/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] 7548eb67d95e931169b5b0b88cd180c8c50c57b45b493cecdd80347102f469f1
[INFO] running `"docker" "start" "-a" "7548eb67d95e931169b5b0b88cd180c8c50c57b45b493cecdd80347102f469f1"`
[INFO] [stderr]    Compiling memoization v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: function is never used: `eq_str`
[INFO] [stderr]    --> src/lib.rs:258:5
[INFO] [stderr]     |
[INFO] [stderr] 258 |     fn eq_str(a: &str, b: &str) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Testing`
[INFO] [stderr]    --> src/lib.rs:261:5
[INFO] [stderr]     |
[INFO] [stderr] 261 |     struct Testing<I:'static,O:Clone,F: Fn(I)->O> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] running `"docker" "inspect" "7548eb67d95e931169b5b0b88cd180c8c50c57b45b493cecdd80347102f469f1"`
[INFO] running `"docker" "rm" "-f" "7548eb67d95e931169b5b0b88cd180c8c50c57b45b493cecdd80347102f469f1"`
[INFO] [stdout] 7548eb67d95e931169b5b0b88cd180c8c50c57b45b493cecdd80347102f469f1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memoization/0.1.0:/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] 9703ddabeec3b9c2be74b710a0cf143b15f68d37ff6a0719d6f9fe6608ca8c02
[INFO] running `"docker" "start" "-a" "9703ddabeec3b9c2be74b710a0cf143b15f68d37ff6a0719d6f9fe6608ca8c02"`
[INFO] [stderr]    Compiling memoization v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `"docker" "inspect" "9703ddabeec3b9c2be74b710a0cf143b15f68d37ff6a0719d6f9fe6608ca8c02"`
[INFO] running `"docker" "rm" "-f" "9703ddabeec3b9c2be74b710a0cf143b15f68d37ff6a0719d6f9fe6608ca8c02"`
[INFO] [stdout] 9703ddabeec3b9c2be74b710a0cf143b15f68d37ff6a0719d6f9fe6608ca8c02
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/memoization/0.1.0:/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] ecbd8112ee8d8db679f6274cdfca5c65325a67e52972eacbe2ab953eded97ad4
[INFO] running `"docker" "start" "-a" "ecbd8112ee8d8db679f6274cdfca5c65325a67e52972eacbe2ab953eded97ad4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/memoization-3438070b4ab1680e
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test test::test_testing_pattern ... ok
[INFO] [stdout] test test::test_memoized_2 ... ok
[INFO] [stdout] test test::test_memoized_0 ... ok
[INFO] [stdout] test test::test_memoized_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests memoization
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::process (line 82) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::new (line 68) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::is_initialized (line 151) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::get (line 130) ... ok
[INFO] [stdout] test src/lib.rs - Memoized<I, O, Func>::fetch (line 106) ... ok
[INFO] [stdout] test src/lib.rs - Memoized (line 36) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ecbd8112ee8d8db679f6274cdfca5c65325a67e52972eacbe2ab953eded97ad4"`
[INFO] running `"docker" "rm" "-f" "ecbd8112ee8d8db679f6274cdfca5c65325a67e52972eacbe2ab953eded97ad4"`
[INFO] [stdout] ecbd8112ee8d8db679f6274cdfca5c65325a67e52972eacbe2ab953eded97ad4