[INFO] fetching crate tmkms 0.15.0...
[INFO] testing tmkms-0.15.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8
[INFO] extracting crate tmkms 0.15.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tmkms 0.15.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate tmkms 0.15.0
[INFO] tweaked toml for crates.io crate tmkms 0.15.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tmkms 0.15.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tmkms 0.15.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 2c083633ba314f97dcfe47581fe3d9df6e941a9f2f3dbd356e0c47cbfffea2eb
[INFO] running `Command { std: "docker" "start" "-a" "2c083633ba314f97dcfe47581fe3d9df6e941a9f2f3dbd356e0c47cbfffea2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c083633ba314f97dcfe47581fe3d9df6e941a9f2f3dbd356e0c47cbfffea2eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c083633ba314f97dcfe47581fe3d9df6e941a9f2f3dbd356e0c47cbfffea2eb", kill_on_drop: false }`
[INFO] [stdout] 2c083633ba314f97dcfe47581fe3d9df6e941a9f2f3dbd356e0c47cbfffea2eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1de53c486db0b04e67dd62898b378984f7b28d748d2a6abe1a387c7b5bc4cd62
[INFO] running `Command { std: "docker" "start" "-a" "1de53c486db0b04e67dd62898b378984f7b28d748d2a6abe1a387c7b5bc4cd62", kill_on_drop: false }`
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[INFO] [stderr]    Compiling tmkms v0.15.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: please enable one of the following backends with cargo's --features argument: yubihsm, ledgertm, softsign, fortanixdsm (e.g. --features=yubihsm)
[INFO] [stdout]   --> src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | / compile_error!(
[INFO] [stdout] 13 | |     "please enable one of the following backends with cargo's --features argument: \
[INFO] [stdout] 14 | |      yubihsm, ledgertm, softsign, fortanixdsm (e.g. --features=yubihsm)"
[INFO] [stdout] 15 | | );
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/chain/registry.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 signer.provider(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 unreachable expression
[INFO] [stdout]    |                 any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `SigningProvider`, which is uninhabited
[INFO] [stdout]   --> src/chain/registry.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 signer.provider(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]    = note: this warning originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/chain/registry.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 signer.provider(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 unreachable expression
[INFO] [stdout]    |                 any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `SigningProvider`, which is uninhabited
[INFO] [stdout]   --> src/chain/registry.rs:49:17
[INFO] [stdout]    |
[INFO] [stdout] 49 |                 signer.provider(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `format_err` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: type `&SigningProvider` is non-empty
[INFO] [stdout]   --> src/keyring/providers.rs:39:15
[INFO] [stdout]    |
[INFO] [stdout] 39 |         match self {
[INFO] [stdout]    |               ^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `SigningProvider` defined here
[INFO] [stdout]   --> src/keyring/providers.rs:19:10
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum SigningProvider {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: the matched value is of type `&SigningProvider`
[INFO] [stdout]    = note: references are always considered inhabited
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern as shown
[INFO] [stdout]    |
[INFO] [stdout] 39 ~         match self {
[INFO] [stdout] 40 +             _ => todo!(),
[INFO] [stdout] 41 +         }
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]   --> src/keyring.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let provider = signer.provider();
[INFO] [stdout]    |             ^^^^^^^^   ----------------- any code following this expression is unreachable
[INFO] [stdout]    |             |
[INFO] [stdout]    |             unreachable definition
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `SigningProvider`, which is uninhabited
[INFO] [stdout]   --> src/keyring.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let provider = signer.provider();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]   --> src/keyring.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 other.provider(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 unreachable expression
[INFO] [stdout]    |                 any code following this expression is unreachable
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `SigningProvider`, which is uninhabited
[INFO] [stdout]   --> src/keyring.rs:68:17
[INFO] [stdout]    |
[INFO] [stdout] 68 |                 other.provider(),
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provider`
[INFO] [stdout]   --> src/keyring.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let provider = signer.provider();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provider`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]   --> src/keyring.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let public_key = signer.public_key();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key_serialized`
[INFO] [stdout]   --> src/keyring.rs:48:13
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let public_key_serialized = self.format.serialize(public_key);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key_serialized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_type`
[INFO] [stdout]   --> src/keyring.rs:49:13
[INFO] [stdout]    |
[INFO] [stdout] 49 |         let key_type = match public_key {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/keyring.rs:62:21
[INFO] [stdout]    |
[INFO] [stdout] 62 |         if let Some(other) = self.ecdsa_keys.insert(public_key, signer) {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable definition
[INFO] [stdout]   --> src/keyring.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let provider = signer.provider();
[INFO] [stdout]    |             ^^^^^^^^   ----------------- any code following this expression is unreachable
[INFO] [stdout]    |             |
[INFO] [stdout]    |             unreachable definition
[INFO] [stdout]    |
[INFO] [stdout] note: this expression has type `SigningProvider`, which is uninhabited
[INFO] [stdout]   --> src/keyring.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let provider = signer.provider();
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/keyring.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 other.provider(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 unreachable expression
[INFO] [stdout]     |                 any code following this expression is unreachable
[INFO] [stdout]     |
[INFO] [stdout] note: this expression has type `SigningProvider`, which is uninhabited
[INFO] [stdout]    --> src/keyring.rs:100:17
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 other.provider(),
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__export::format_args` which comes from the expansion of the macro `fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `provider`
[INFO] [stdout]   --> src/keyring.rs:78:13
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let provider = signer.provider();
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_provider`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key`
[INFO] [stdout]   --> src/keyring.rs:79:13
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let public_key = signer.public_key();
[INFO] [stdout]    |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public_key_serialized`
[INFO] [stdout]   --> src/keyring.rs:80:13
[INFO] [stdout]    |
[INFO] [stdout] 80 |         let public_key_serialized = self.format.serialize(public_key);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_public_key_serialized`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `key_type`
[INFO] [stdout]   --> src/keyring.rs:81:13
[INFO] [stdout]    |
[INFO] [stdout] 81 |         let key_type = match public_key {
[INFO] [stdout]    |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_key_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/keyring.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |         if let Some(other) = self.ed25519_keys.insert(public_key, signer) {
[INFO] [stdout]    |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `registry`
[INFO] [stdout]    --> src/keyring.rs:218:20
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub fn load_config(registry: &mut chain::Registry, config: &ProviderConfig) -> Result<(), Error> {
[INFO] [stdout]     |                    ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_registry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `config`
[INFO] [stdout]    --> src/keyring.rs:218:52
[INFO] [stdout]     |
[INFO] [stdout] 218 | pub fn load_config(registry: &mut chain::Registry, config: &ProviderConfig) -> Result<(), Error> {
[INFO] [stdout]     |                                                    ^^^^^^ help: if this is intentional, prefix it with an underscore: `_config`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tmkms` (lib) due to 2 previous errors; 18 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1de53c486db0b04e67dd62898b378984f7b28d748d2a6abe1a387c7b5bc4cd62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1de53c486db0b04e67dd62898b378984f7b28d748d2a6abe1a387c7b5bc4cd62", kill_on_drop: false }`
[INFO] [stdout] 1de53c486db0b04e67dd62898b378984f7b28d748d2a6abe1a387c7b5bc4cd62
