[INFO] fetching crate c5_core 1.0.0...
[INFO] checking c5_core-1.0.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate c5_core 1.0.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate c5_core 1.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate c5_core 1.0.0
[INFO] tweaked toml for crates.io crate c5_core 1.0.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate c5_core 1.0.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate c5_core 1.0.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] c2ac40909cf06ee3ae0eaebbc833489d9f8c13d2296943d50e01b0ca9b281f99
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[INFO] running `Command { std: "docker" "inspect" "c2ac40909cf06ee3ae0eaebbc833489d9f8c13d2296943d50e01b0ca9b281f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2ac40909cf06ee3ae0eaebbc833489d9f8c13d2296943d50e01b0ca9b281f99", kill_on_drop: false }`
[INFO] [stdout] c2ac40909cf06ee3ae0eaebbc833489d9f8c13d2296943d50e01b0ca9b281f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8382c9aa7523c5f0e5d459a79978ce552c33470414f833926b9e377c9e35a2f7
[INFO] running `Command { std: "docker" "start" "-a" "8382c9aa7523c5f0e5d459a79978ce552c33470414f833926b9e377c9e35a2f7", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `KeyParsingError as EciesKeyParsingError`
[INFO] [stdout]  --> src/keys.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   KeyParsingError as EciesKeyParsingError, PublicKey as ActualEciesPublicKey, StaticSecret as ActualEciesStaticSecret,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]   --> src/keys.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand_core::OsRng; // Cryptographically secure OS random number generator
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashlink::lru_cache::Entry`
[INFO] [stdout]  --> src/yaml_utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashlink::lru_cache::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ed_secret_key_for_pem`
[INFO] [stdout]   --> src/keys.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |       let ed_secret_key_for_pem = ed25519_dalek::SecretKey::try_from(secret_bytes)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ed_secret_key_for_pem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_ssh_key_part` is never used
[INFO] [stdout]    --> src/keys.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn build_ssh_key_part(name: &str, data: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `KeyParsingError as EciesKeyParsingError`
[INFO] [stdout]  --> src/keys.rs:8:3
[INFO] [stdout]   |
[INFO] [stdout] 8 |   KeyParsingError as EciesKeyParsingError, PublicKey as ActualEciesPublicKey, StaticSecret as ActualEciesStaticSecret,
[INFO] [stdout]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]   --> src/keys.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand_core::OsRng; // Cryptographically secure OS random number generator
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hashlink::lru_cache::Entry`
[INFO] [stdout]  --> src/yaml_utils.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashlink::lru_cache::Entry;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `PemEncodedKey`
[INFO] [stdout]   --> tests/crypto_tests.rs:11:3
[INFO] [stdout]    |
[INFO] [stdout] 11 |   PemEncodedKey,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OsRng`
[INFO] [stdout]   --> tests/crypto_tests.rs:14:18
[INFO] [stdout]    |
[INFO] [stdout] 14 | use rand::rngs::{OsRng, StdRng};
[INFO] [stdout]    |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]   --> tests/crypto_tests.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use std::fs;
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Path`
[INFO] [stdout]   --> tests/crypto_tests.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::path::Path;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ed_secret_key_for_pem`
[INFO] [stdout]   --> src/keys.rs:86:11
[INFO] [stdout]    |
[INFO] [stdout] 86 |       let ed_secret_key_for_pem = ed25519_dalek::SecretKey::try_from(secret_bytes)
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_ed_secret_key_for_pem`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_ssh_key_part` is never used
[INFO] [stdout]    --> src/keys.rs:124:4
[INFO] [stdout]     |
[INFO] [stdout] 124 | fn build_ssh_key_part(name: &str, data: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `make_seq` is never used
[INFO] [stdout]    --> src/yaml_utils.rs:124:6
[INFO] [stdout]     |
[INFO] [stdout] 124 |   fn make_seq() -> Yaml {
[INFO] [stdout]     |      ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.49s
[INFO] running `Command { std: "docker" "inspect" "8382c9aa7523c5f0e5d459a79978ce552c33470414f833926b9e377c9e35a2f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8382c9aa7523c5f0e5d459a79978ce552c33470414f833926b9e377c9e35a2f7", kill_on_drop: false }`
[INFO] [stdout] 8382c9aa7523c5f0e5d459a79978ce552c33470414f833926b9e377c9e35a2f7