[INFO] crate fractal-utils 0.3.4 is already in cache
[INFO] extracting crate fractal-utils 0.3.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/fractal-utils/0.3.4
[INFO] extracting crate fractal-utils 0.3.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fractal-utils/0.3.4
[INFO] validating manifest of fractal-utils-0.3.4 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 fractal-utils-0.3.4 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 fractal-utils-0.3.4
[INFO] finished frobbing fractal-utils-0.3.4
[INFO] frobbed toml for fractal-utils-0.3.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/fractal-utils/0.3.4/Cargo.toml
[INFO] started frobbing fractal-utils-0.3.4
[INFO] finished frobbing fractal-utils-0.3.4
[INFO] frobbed toml for fractal-utils-0.3.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/fractal-utils/0.3.4/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 fractal-utils-0.3.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fractal-utils/0.3.4:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 32b94e0941648de2dbfd730d78a7e15dcd94ff9b11c202e5f5b71a550ab2bf5f
[INFO] running `"docker" "start" "-a" "32b94e0941648de2dbfd730d78a7e15dcd94ff9b11c202e5f5b71a550ab2bf5f"`
[INFO] [stderr]    Compiling rust-base58 v0.0.4
[INFO] [stderr]    Compiling fractal-utils v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported`
[INFO] [stderr]   --> src/lib.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![forbid(missing_docs, warnings)]
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, #[no_mangle] statics always exported`
[INFO] [stderr]   --> src/lib.rs:15:47
[INFO] [stderr]    |
[INFO] [stderr] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/amount.rs:236:32
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:13:25
[INFO] [stderr]     |
[INFO] [stderr] 13  | #![forbid(missing_docs, warnings)]
[INFO] [stderr]     |                         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wallet_address.rs:211:32
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "32b94e0941648de2dbfd730d78a7e15dcd94ff9b11c202e5f5b71a550ab2bf5f"`
[INFO] running `"docker" "rm" "-f" "32b94e0941648de2dbfd730d78a7e15dcd94ff9b11c202e5f5b71a550ab2bf5f"`
[INFO] [stdout] 32b94e0941648de2dbfd730d78a7e15dcd94ff9b11c202e5f5b71a550ab2bf5f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fractal-utils/0.3.4:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7eec0adeb7e54929bf524a9641866e416c2ad33746b6be3c6191db429ba9c062
[INFO] running `"docker" "start" "-a" "7eec0adeb7e54929bf524a9641866e416c2ad33746b6be3c6191db429ba9c062"`
[INFO] [stderr]    Compiling fractal-utils v0.3.4 (/opt/crater/workdir)
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported`
[INFO] [stderr]  --> tests/lib.rs:3:24
[INFO] [stderr]   |
[INFO] [stderr] 3 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stderr]   |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]  --> tests/lib.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![forbid(warnings, missing_docs)]
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr]   = note: #[warn(renamed_and_removed_lints)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, #[no_mangle] statics always exported`
[INFO] [stderr]  --> tests/lib.rs:3:47
[INFO] [stderr]   |
[INFO] [stderr] 3 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stderr]   |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, #[no_mangle] functions always exported`
[INFO] [stderr]   --> src/lib.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stderr]    |                        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]   --> src/lib.rs:13:25
[INFO] [stderr]    |
[INFO] [stderr] 13 | #![forbid(missing_docs, warnings)]
[INFO] [stderr]    |                         ^^^^^^^^
[INFO] [stderr]    = note: #[warn(renamed_and_removed_lints)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: lint `private_no_mangle_statics` has been removed: `no longer a warning, #[no_mangle] statics always exported`
[INFO] [stderr]   --> src/lib.rs:15:47
[INFO] [stderr]    |
[INFO] [stderr] 15 |     plugin_as_library, private_no_mangle_fns, private_no_mangle_statics, stable_features,
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/amount.rs:236:32
[INFO] [stderr]     |
[INFO] [stderr] 236 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]     |
[INFO] [stderr] note: lint level defined here
[INFO] [stderr]    --> src/lib.rs:13:25
[INFO] [stderr]     |
[INFO] [stderr] 13  | #![forbid(missing_docs, warnings)]
[INFO] [stderr]     |                         ^^^^^^^^
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] implied by #[warn(warnings)]
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/wallet_address.rs:211:32
[INFO] [stderr]     |
[INFO] [stderr] 211 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "7eec0adeb7e54929bf524a9641866e416c2ad33746b6be3c6191db429ba9c062"`
[INFO] running `"docker" "rm" "-f" "7eec0adeb7e54929bf524a9641866e416c2ad33746b6be3c6191db429ba9c062"`
[INFO] [stdout] 7eec0adeb7e54929bf524a9641866e416c2ad33746b6be3c6191db429ba9c062
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/fractal-utils/0.3.4:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 9dccf566d4eded321eaeb68aa59144fb7c24f5eca60ddb80f244f5f95e9c395e
[INFO] running `"docker" "start" "-a" "9dccf566d4eded321eaeb68aa59144fb7c24f5eca60ddb80f244f5f95e9c395e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/fractal_utils-b59ce8125610ee7d
[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] [stderr]      Running /opt/crater/target/debug/deps/lib-25ee01fe761dcd9e
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test it_amount_other_format ... ok
[INFO] [stdout] test it_amount_bad_format ... ok
[INFO] [stdout] test it_fromstr_walletaddress ... ok
[INFO] [stdout] test it_amount_parse ... ok
[INFO] [stdout] test it_amount_ops ... ok
[INFO] [stdout] test it_invalid_wallet_address ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests fractal-utils
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test src/lib.rs -  (line 10) ... ok
[INFO] [stdout] test src/amount.rs - amount::Amount (line 70) ... ok
[INFO] [stdout] test src/amount.rs - amount (line 10) ... ok
[INFO] [stdout] test src/wallet_address.rs - wallet_address::WalletAddress (line 45) ... ok
[INFO] [stdout] test src/amount.rs - amount::Amount (line 86) ... ok
[INFO] [stdout] test src/lib.rs - CURRENCY_SYMBOL (line 38) ... ok
[INFO] [stdout] test src/amount.rs - amount::Amount (line 59) ... ok
[INFO] [stdout] test src/wallet_address.rs - wallet_address::WalletAddress (line 32) ... ok
[INFO] [stdout] test src/wallet_address.rs - wallet_address::WalletAddress (line 60) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "9dccf566d4eded321eaeb68aa59144fb7c24f5eca60ddb80f244f5f95e9c395e"`
[INFO] running `"docker" "rm" "-f" "9dccf566d4eded321eaeb68aa59144fb7c24f5eca60ddb80f244f5f95e9c395e"`
[INFO] [stdout] 9dccf566d4eded321eaeb68aa59144fb7c24f5eca60ddb80f244f5f95e9c395e