[INFO] fetching crate scromble 2.1.3...
[INFO] checking scromble-2.1.3 against try#2cbf9c3ff35600794d69a7dc7ab399810a067910 for pr-129249-2
[INFO] extracting crate scromble 2.1.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate scromble 2.1.3
[INFO] finished tweaking crates.io crate scromble 2.1.3
[INFO] tweaked toml for crates.io crate scromble 2.1.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scromble 2.1.3 on toolchain 2cbf9c3ff35600794d69a7dc7ab399810a067910
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scromble 2.1.3 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" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `scromble` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463
[INFO] running `Command { std: "docker" "start" "6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463" "/opt/rustwide/cargo-home/bin/cargo" "+2cbf9c3ff35600794d69a7dc7ab399810a067910" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr] warning: `scromble` (manifest) generated 1 warning
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling syn v1.0.83
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]     Checking regex-syntax v0.6.28
[INFO] [stderr]     Checking os_str_bytes v6.6.1
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking textwrap v0.16.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking base64ct v1.5.3
[INFO] [stderr]     Checking clap_lex v0.2.4
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking arrayref v0.3.9
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking arrayvec v0.7.6
[INFO] [stderr]     Checking constant_time_eq v0.3.1
[INFO] [stderr]     Checking conv v0.3.3
[INFO] [stderr]     Checking blake2b_simd v1.0.3
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rpassword v5.0.1
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking password-hash v0.4.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking regex v1.7.1
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]     Checking argon2 v0.4.1
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]     Checking quickcheck v1.0.3
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]    Compiling quickcheck_macros v1.0.0
[INFO] [stderr]    Compiling zeroize_derive v1.3.3
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking secrecy v0.10.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking clap_complete v3.2.5
[INFO] [stderr]     Checking scromble v2.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: useless conversion to the same type: `[u8; 24]`
[INFO] [stdout]     --> src/main.rs:1203:15
[INFO] [stdout]      |
[INFO] [stdout] 1203 |         Nonce(ret.into())
[INFO] [stdout]      |               ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: you can instead use the fully-qualified path `<[u8; 24] as Into<[u8; 24]>::into(val) to avoid triggering this lint
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/main.rs:1:9
[INFO] [stdout]      |
[INFO] [stdout]    1 | #![deny(warnings)]
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      = note: `#[deny(self_type_conversion)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scromble` (bin "scromble") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: useless conversion to the same type: `[u8; 24]`
[INFO] [stdout]     --> src/main.rs:1203:15
[INFO] [stdout]      |
[INFO] [stdout] 1203 |         Nonce(ret.into())
[INFO] [stdout]      |               ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: you can instead use the fully-qualified path `<[u8; 24] as Into<[u8; 24]>::into(val) to avoid triggering this lint
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/main.rs:1:9
[INFO] [stdout]      |
[INFO] [stdout]    1 | #![deny(warnings)]
[INFO] [stdout]      |         ^^^^^^^^
[INFO] [stdout]      = note: `#[deny(self_type_conversion)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: useless conversion to the same type: `std::string::String`
[INFO] [stdout]     --> src/main.rs:1297:22
[INFO] [stdout]      |
[INFO] [stdout] 1297 |             let pw = String::arbitrary(g).into();
[INFO] [stdout]      |                      ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: this method call relies on the `impl<T> Into<T> for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors
[INFO] [stdout]      = note: you can instead use the fully-qualified path `<std::string::String as Into<std::string::String>::into(val) to avoid triggering this lint
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scromble` (bin "scromble" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463", kill_on_drop: false }`
[INFO] [stdout] 6d784e39d33878695fbfac856908b1657058a2433a5f613808d0f8f5f4f24463
