[INFO] crate simple-secrets 0.1.1 is already in cache
[INFO] testing simple-secrets-0.1.1 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] extracting crate simple-secrets 0.1.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate simple-secrets 0.1.1 on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple-secrets 0.1.1
[INFO] finished tweaking crates.io crate simple-secrets 0.1.1
[INFO] tweaked toml for crates.io crate simple-secrets 0.1.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 09ad89bf9fefa92e1b6b7a57dec6b4c06d1ab8cfd9904ac937f835ba0542dc55
[INFO] running `Command { std: "docker" "start" "-a" "09ad89bf9fefa92e1b6b7a57dec6b4c06d1ab8cfd9904ac937f835ba0542dc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09ad89bf9fefa92e1b6b7a57dec6b4c06d1ab8cfd9904ac937f835ba0542dc55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ad89bf9fefa92e1b6b7a57dec6b4c06d1ab8cfd9904ac937f835ba0542dc55", kill_on_drop: false }`
[INFO] [stdout] 09ad89bf9fefa92e1b6b7a57dec6b4c06d1ab8cfd9904ac937f835ba0542dc55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb8096e06bd306628a4cc1173e20a04f5a2f93a5830b10069d63cdbef6900477
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fb8096e06bd306628a4cc1173e20a04f5a2f93a5830b10069d63cdbef6900477", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling gimli v0.22.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rustc-demangle v0.1.16
[INFO] [stderr]    Compiling object v0.20.0
[INFO] [stderr]    Compiling data-encoding v2.2.1
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling rmp v0.8.9
[INFO] [stderr]    Compiling addr2line v0.13.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_bytes v0.10.5
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling simple-secrets v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.73s
[INFO] running `Command { std: "docker" "inspect" "fb8096e06bd306628a4cc1173e20a04f5a2f93a5830b10069d63cdbef6900477", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb8096e06bd306628a4cc1173e20a04f5a2f93a5830b10069d63cdbef6900477", kill_on_drop: false }`
[INFO] [stdout] fb8096e06bd306628a4cc1173e20a04f5a2f93a5830b10069d63cdbef6900477
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2223ecff810147ab11080bbd502d971e82e5860fb9ad413eb9fa34524254a216
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2223ecff810147ab11080bbd502d971e82e5860fb9ad413eb9fa34524254a216", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-secrets v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "2223ecff810147ab11080bbd502d971e82e5860fb9ad413eb9fa34524254a216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2223ecff810147ab11080bbd502d971e82e5860fb9ad413eb9fa34524254a216", kill_on_drop: false }`
[INFO] [stdout] 2223ecff810147ab11080bbd502d971e82e5860fb9ad413eb9fa34524254a216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9a1326b46c15dc2cb085c2fa223aa22b8bddbfb42953972975f810e24544fe4
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d9a1326b46c15dc2cb085c2fa223aa22b8bddbfb42953972975f810e24544fe4", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_secrets-479e3a8b1b61c33b
[INFO] [stdout] 
[INFO] [stdout] running 35 tests
[INFO] [stdout] test primitives::tests::it_should_correctly_distinguish_data_equality ... ok
[INFO] [stdout] test primitives::tests::it_should_create_a_message_authentication_code ... ok
[INFO] [stdout] test primitives::tests::it_should_calculate_an_id_for_a_key ... ok
[INFO] [stdout] test primitives::tests::it_should_binify_from_a_string ... ok
[INFO] [stdout] test compatibility::maps::it_recovers_packets_from_a_map ... ok
[INFO] [stdout] test compatibility::maps::it_creates_packets_from_a_map ... ok
[INFO] [stdout] test compatibility::numbers::it_creates_packets_from_numbers ... ok
[INFO] [stdout] test compatibility::binary::it_creates_packets_from_bytes ... ok
[INFO] [stdout] test compatibility::numbers::it_recovers_packets_from_numbers ... ok
[INFO] [stdout] test primitives::tests::it_should_serialize_and_deserialize_simple_types ... ok
[INFO] [stdout] test compatibility::string::it_recovers_packets_from_strings ... ok
[INFO] [stdout] test compatibility::string::it_creates_packets_from_strings ... ok
[INFO] [stdout] test compatibility::arrays::it_creates_packets_from_an_array ... ok
[INFO] [stdout] test primitives::tests::it_should_stringify_data ... ok
[INFO] [stdout] test compatibility::binary::it_recovers_packets_from_bytes ... ok
[INFO] [stdout] test tests::it_should_create_a_message_authentication_code ... ok
[INFO] [stdout] test primitives::tests::it_should_decrypt_data ... ok
[INFO] [stdout] test compatibility::nil::it_creates_packets_from_nil ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_receiver_hmac_key ... ok
[INFO] [stdout] test tests::it_should_have_recoverable_ciphertext ... ok
[INFO] [stdout] test compatibility::nil::it_recovers_packets_from_nil ... ok
[INFO] [stdout] test tests::it_should_make_websafe_strings ... ok
[INFO] [stdout] test primitives::tests::nonce_should_not_be_zeros ... ok
[INFO] [stdout] test tests::it_should_accept_64char_hex ... ok
[INFO] [stdout] test primitives::tests::it_should_encrypt_data ... ok
[INFO] [stdout] test primitives::tests::it_zeros_buffers ... ok
[INFO] [stdout] test tests::it_should_recover_full_objects ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_receiver_key ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_sender_hmac_key ... ok
[INFO] [stdout] test primitives::tests::it_should_derive_sender_key ... ok
[INFO] [stdout] test compatibility::arrays::it_recovers_packets_from_an_array ... ok
[INFO] [stdout] test tests::it_should_verify_a_message_authentication_code ... ok
[INFO] [stderr]    Doc-tests simple-secrets
[INFO] [stdout] test tests::it_should_not_be_recoverable_with_a_different_key ... ok
[INFO] [stdout] test tests::it_should_only_accept_hex ... ok
[INFO] [stdout] test tests::it_should_only_accept_64char_hex ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 35 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/lib.rs - Packet::unpack (line 119) ... FAILED
[INFO] [stdout] test src/lib.rs - Packet::pack (line 89) ... 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::unpack (line 119) stdout ----
[INFO] [stdout] error[E0599]: no method named `unpack` found for enum `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]    |                             ^^^^^^ method not found in `std::result::Result<simple_secrets::Packet, simple_secrets::SimpleSecretsError>`
[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] 3  | / fn main() {
[INFO] [stdout] 4  | | use simple_secrets::Packet;
[INFO] [stdout] 5  | | // Try `head /dev/urandom | shasum -a 256` to make a decent 256-bit key
[INFO] [stdout] 6  | | let sender = Packet::new("<64-char hex string master key (32 bytes, 256 bits)>".to_string());
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | | let secret_message = sender.unpack(packet)?;
[INFO] [stdout]    | |                      ^^^^^^^^^^^^^^^^^^^^^^ cannot use the `?` operator in a function that returns `()`
[INFO] [stdout] 13 | | // equivalent of => { "msg": "this is a secret message" }
[INFO] [stdout] 14 | | }
[INFO] [stdout]    | |_- this function should return `Result` or `Option` to accept `?`
[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] ---- src/lib.rs - Packet::pack (line 89) stdout ----
[INFO] [stdout] error[E0599]: no method named `pack` found for enum `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]   |                     ^^^^ method not found in `std::result::Result<simple_secrets::Packet, simple_secrets::SimpleSecretsError>`
[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] 
[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 `Command { std: "docker" "inspect" "d9a1326b46c15dc2cb085c2fa223aa22b8bddbfb42953972975f810e24544fe4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9a1326b46c15dc2cb085c2fa223aa22b8bddbfb42953972975f810e24544fe4", kill_on_drop: false }`
[INFO] [stdout] d9a1326b46c15dc2cb085c2fa223aa22b8bddbfb42953972975f810e24544fe4