[INFO] fetching crate klave 0.4.0...
[INFO] checking klave-0.4.0 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate klave 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate klave 0.4.0
[INFO] finished tweaking crates.io crate klave 0.4.0
[INFO] tweaked toml for crates.io crate klave 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate klave 0.4.0 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate klave 0.4.0 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wit-bindgen-rt v0.42.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a8d3565682ce423ad43c16fae72042cf4395af58d03acb4eff9adb79e80f5b
[INFO] running `Command { std: "docker" "start" "-a" "c7a8d3565682ce423ad43c16fae72042cf4395af58d03acb4eff9adb79e80f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a8d3565682ce423ad43c16fae72042cf4395af58d03acb4eff9adb79e80f5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a8d3565682ce423ad43c16fae72042cf4395af58d03acb4eff9adb79e80f5b", kill_on_drop: false }`
[INFO] [stdout] c7a8d3565682ce423ad43c16fae72042cf4395af58d03acb4eff9adb79e80f5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93a8b7e71780fe28765c10b1e2490773351eddc1223607ee1332ac98183f47eb
[INFO] running `Command { std: "docker" "start" "-a" "93a8b7e71780fe28765c10b1e2490773351eddc1223607ee1332ac98183f47eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling wit-bindgen-rt v0.42.1
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]     Checking itoa v1.0.15
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking bytes v1.10.1
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking ryu v1.0.20
[INFO] [stderr]     Checking base64 v0.22.1
[INFO] [stderr]     Checking http v1.3.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.101
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking klave v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `KeyGenerationInfo` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct KeyGenerationInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaggedShaMetadata` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct TaggedShaMetadata {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashInfo` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct HashInfo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SchnorrSignatureMetadata` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct SchnorrSignatureMetadata {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SignatureInfo` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct SignatureInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RsaPkcs1V1_5EncryptionMetadata` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct RsaPkcs1V1_5EncryptionMetadata {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EncryptionInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct EncryptionInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WrappingInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct WrappingInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivationInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub struct DerivationInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivedKeyUsageInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct DerivedKeyUsageInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TaggedShaAlgorithm` is never used
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:184:10
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub enum TaggedShaAlgorithm {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaggedShaAlgorithmVisitor` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     TaggedShaAlgorithmVisitor,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `deserialize_copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SubtleKeyUsage` is never used
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:278:10
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub enum SubtleKeyUsage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubtleKeyUsageVisitor` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     SubtleKeyUsageVisitor,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `deserialize_copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `KeyUsage` is never used
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:324:10
[INFO] [stdout]     |
[INFO] [stdout] 324 | pub enum KeyUsage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyUsageVisitor` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 338 |     KeyUsageVisitor,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `deserialize_copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyFormatWrapper` is never constructed
[INFO] [stdout]   --> src/crypto/util.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct KeyFormatWrapper {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyGenerationInfo` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct KeyGenerationInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaggedShaMetadata` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | pub struct TaggedShaMetadata {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashInfo` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:53:12
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub struct HashInfo {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SchnorrSignatureMetadata` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:66:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | pub struct SchnorrSignatureMetadata {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SignatureInfo` is never constructed
[INFO] [stdout]   --> src/crypto/subtle_idl_v1.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 | pub struct SignatureInfo {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RsaPkcs1V1_5EncryptionMetadata` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:107:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub struct RsaPkcs1V1_5EncryptionMetadata {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EncryptionInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:112:12
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub struct EncryptionInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `WrappingInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:123:12
[INFO] [stdout]     |
[INFO] [stdout] 123 | pub struct WrappingInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivationInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 | pub struct DerivationInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DerivedKeyUsageInfo` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1.rs:147:12
[INFO] [stdout]     |
[INFO] [stdout] 147 | pub struct DerivedKeyUsageInfo {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TaggedShaAlgorithm` is never used
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:184:10
[INFO] [stdout]     |
[INFO] [stdout] 184 | pub enum TaggedShaAlgorithm {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TaggedShaAlgorithmVisitor` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:192:5
[INFO] [stdout]     |
[INFO] [stdout] 192 |     TaggedShaAlgorithmVisitor,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `deserialize_copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `SubtleKeyUsage` is never used
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:278:10
[INFO] [stdout]     |
[INFO] [stdout] 278 | pub enum SubtleKeyUsage {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SubtleKeyUsageVisitor` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:291:5
[INFO] [stdout]     |
[INFO] [stdout] 291 |     SubtleKeyUsageVisitor,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `deserialize_copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `KeyUsage` is never used
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:324:10
[INFO] [stdout]     |
[INFO] [stdout] 324 | pub enum KeyUsage {
[INFO] [stdout]     |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyUsageVisitor` is never constructed
[INFO] [stdout]    --> src/crypto/subtle_idl_v1_enums.rs:338:5
[INFO] [stdout]     |
[INFO] [stdout] 338 |     KeyUsageVisitor,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `deserialize_copy` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `KeyFormatWrapper` is never constructed
[INFO] [stdout]   --> src/crypto/util.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct KeyFormatWrapper {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.48s
[INFO] running `Command { std: "docker" "inspect" "93a8b7e71780fe28765c10b1e2490773351eddc1223607ee1332ac98183f47eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93a8b7e71780fe28765c10b1e2490773351eddc1223607ee1332ac98183f47eb", kill_on_drop: false }`
[INFO] [stdout] 93a8b7e71780fe28765c10b1e2490773351eddc1223607ee1332ac98183f47eb