[INFO] crate simple-secrets 0.1.1 is already in cache
[INFO] extracting crate simple-secrets 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/simple-secrets/0.1.1
[INFO] extracting crate simple-secrets 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simple-secrets/0.1.1
[INFO] validating manifest of simple-secrets-0.1.1 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 simple-secrets-0.1.1 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 simple-secrets-0.1.1
[INFO] finished frobbing simple-secrets-0.1.1
[INFO] frobbed toml for simple-secrets-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/simple-secrets/0.1.1/Cargo.toml
[INFO] started frobbing simple-secrets-0.1.1
[INFO] finished frobbing simple-secrets-0.1.1
[INFO] frobbed toml for simple-secrets-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/simple-secrets/0.1.1/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 simple-secrets-0.1.1 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-1/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/simple-secrets/0.1.1:/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] 4f9fe4f46aedb3a0affa9cfeb4da9ca1039dc5f1c7656a526d9e3e9d16fa26b1
[INFO] running `"docker" "start" "-a" "4f9fe4f46aedb3a0affa9cfeb4da9ca1039dc5f1c7656a526d9e3e9d16fa26b1"`
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling simple-secrets v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.28s
[INFO] running `"docker" "inspect" "4f9fe4f46aedb3a0affa9cfeb4da9ca1039dc5f1c7656a526d9e3e9d16fa26b1"`
[INFO] running `"docker" "rm" "-f" "4f9fe4f46aedb3a0affa9cfeb4da9ca1039dc5f1c7656a526d9e3e9d16fa26b1"`
[INFO] [stdout] 4f9fe4f46aedb3a0affa9cfeb4da9ca1039dc5f1c7656a526d9e3e9d16fa26b1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/simple-secrets/0.1.1:/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] 0d12949997b83779710d3b7337b3ce63c9d24b3a4d695272fcf66a3bd2620c20
[INFO] running `"docker" "start" "-a" "0d12949997b83779710d3b7337b3ce63c9d24b3a4d695272fcf66a3bd2620c20"`
[INFO] [stderr]    Compiling simple-secrets v0.1.1 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `"docker" "inspect" "0d12949997b83779710d3b7337b3ce63c9d24b3a4d695272fcf66a3bd2620c20"`
[INFO] running `"docker" "rm" "-f" "0d12949997b83779710d3b7337b3ce63c9d24b3a4d695272fcf66a3bd2620c20"`
[INFO] [stdout] 0d12949997b83779710d3b7337b3ce63c9d24b3a4d695272fcf66a3bd2620c20
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/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/simple-secrets/0.1.1:/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] 488f19c63c5935a9a8493b18f0464ab868b78954e9d942586e9235d59256d58e
[INFO] running `"docker" "start" "-a" "488f19c63c5935a9a8493b18f0464ab868b78954e9d942586e9235d59256d58e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_secrets-ba092fe3294030ef
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test compatibility::binary::it_recovers_packets_from_bytes ... ok
[INFO] [stdout] test compatibility::arrays::it_recovers_packets_from_an_array ... ok
[INFO] [stdout] test compatibility::binary::it_creates_packets_from_bytes ... ok
[INFO] [stdout] test compatibility::arrays::it_creates_packets_from_an_array ... ok
[INFO] [stdout] test compatibility::numbers::it_creates_packets_from_numbers ... ok
[INFO] [stdout] test primitives::tests::it_should_binify_from_a_string ... ok
[INFO] [stdout] test primitives::tests::it_should_calculate_an_id_for_a_key ... ok
[INFO] [stdout] test compatibility::string::it_recovers_packets_from_strings ... ok
[INFO] [stdout] test compatibility::nil::it_creates_packets_from_nil ... ok
[INFO] [stdout] test primitives::tests::it_should_correctly_distinguish_data_equality ... ok
[INFO] [stdout] test compatibility::string::it_creates_packets_from_strings ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_receiver_hmac_key ... ok
[INFO] [stdout] test primitives::tests::it_should_create_a_message_authentication_code ... ok
[INFO] [stdout] test compatibility::maps::it_recovers_packets_from_a_map ... ok
[INFO] [stdout] test compatibility::nil::it_recovers_packets_from_nil ... ok
[INFO] [stdout] test primitives::tests::it_should_decrypt_data ... ok
[INFO] [stdout] test compatibility::numbers::it_recovers_packets_from_numbers ... ok
[INFO] [stdout] test compatibility::maps::it_creates_packets_from_a_map ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_sender_key ... ok
[INFO] [stdout] test primitives::tests::it_should_encrypt_data ... ok
[INFO] [stdout] test primitives::tests::it_should_serialize_and_deserialize_simple_types ... ok
[INFO] [stdout] test primitives::tests::it_should_stringify_data ... ok
[INFO] [stdout] test primitives::tests::it_zeros_buffers ... ok
[INFO] [stdout] test primitives::tests::nonce_should_not_be_zeros ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_sender_hmac_key ... ok
[INFO] [stdout] test tests::it_should_accept_64char_hex ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_receiver_key ... ok
[INFO] [stdout] test tests::it_should_have_recoverable_ciphertext ... ok
[INFO] [stdout] test tests::it_should_verify_a_message_authentication_code ... ok
[INFO] [stdout] test tests::it_should_make_websafe_strings ... ok
[INFO] [stdout] test tests::it_should_recover_full_objects ... ok
[INFO] [stdout] test tests::it_should_create_a_message_authentication_code ... ok
[INFO] [stdout] test tests::it_should_only_accept_64char_hex ... ok
[INFO] [stdout] test tests::it_should_only_accept_hex ... ok
[INFO] [stdout] test tests::it_should_not_be_recoverable_with_a_different_key ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests simple-secrets
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Packet::pack (line 89) ... FAILED
[INFO] [stdout] test src/lib.rs - Packet::unpack (line 119) ... FAILED
[INFO] [stdout] test src/lib.rs - Packet::new (line 57) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - Packet::pack (line 89) stdout ----
[INFO] [stdout] error[E0599]: no method named `pack` found for type `std::result::Result<simple_secrets::Packet, simple_secrets::SimpleSecretsError>` in the current scope
[INFO] [stdout]  --> src/lib.rs:93:21
[INFO] [stdout]   |
[INFO] [stdout] 7 | let packet = sender.pack("this is a secret message").unwrap();
[INFO] [stdout]   |                     ^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - Packet::unpack (line 119) stdout ----
[INFO] [stdout] error[E0599]: no method named `unpack` found for type `std::result::Result<simple_secrets::Packet, simple_secrets::SimpleSecretsError>` in the current scope
[INFO] [stdout]   --> src/lib.rs:128:29
[INFO] [stdout]    |
[INFO] [stdout] 12 | let secret_message = sender.unpack(packet)?;
[INFO] [stdout]    |                             ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the `?` operator can only be used in a function that returns `Result` or `Option` (or another type that implements `std::ops::Try`)
[INFO] [stdout]   --> src/lib.rs:128:22
[INFO] [stdout]    |
[INFO] [stdout] 12 | let secret_message = sender.unpack(packet)?;
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `std::ops::Try` is not implemented for `()`
[INFO] [stdout]    = note: required by `std::ops::Try::from_error`
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0599.
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - Packet::pack (line 89)
[INFO] [stdout]     src/lib.rs - Packet::unpack (line 119)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 1 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `"docker" "inspect" "488f19c63c5935a9a8493b18f0464ab868b78954e9d942586e9235d59256d58e"`
[INFO] running `"docker" "rm" "-f" "488f19c63c5935a9a8493b18f0464ab868b78954e9d942586e9235d59256d58e"`
[INFO] [stdout] 488f19c63c5935a9a8493b18f0464ab868b78954e9d942586e9235d59256d58e