[INFO] fetching crate tetsy-crypto 0.8.1...
[INFO] checking tetsy-crypto-0.8.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate tetsy-crypto 0.8.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tetsy-crypto 0.8.1 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetsy-crypto 0.8.1
[INFO] finished tweaking crates.io crate tetsy-crypto 0.8.1
[INFO] tweaked toml for crates.io crate tetsy-crypto 0.8.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 140 packages
[INFO] [stderr]       Adding aes v0.6.0 (latest: v0.8.4)
[INFO] [stderr]       Adding aes-ctr v0.6.0 (latest: v0.99.99)
[INFO] [stderr]       Adding aes-soft v0.6.4 (latest: v0.99.99)
[INFO] [stderr]       Adding aesni v0.10.0 (latest: v0.99.99)
[INFO] [stderr]       Adding arrayvec v0.5.2 (latest: v0.7.4)
[INFO] [stderr]       Adding autocfg v0.1.8 (latest: v1.2.0)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding bitvec v0.20.4 (latest: v1.0.1)
[INFO] [stderr]       Adding block-buffer v0.9.0 (latest: v0.10.4)
[INFO] [stderr]       Adding block-modes v0.7.0 (latest: v0.9.1)
[INFO] [stderr]       Adding block-padding v0.2.1 (latest: v0.3.3)
[INFO] [stderr]       Adding cipher v0.2.5 (latest: v0.4.4)
[INFO] [stderr]       Adding clap v2.34.0 (latest: v4.5.4)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding criterion v0.3.6 (latest: v0.5.1)
[INFO] [stderr]       Adding criterion-plot v0.4.5 (latest: v0.5.0)
[INFO] [stderr]       Adding crypto-mac v0.10.1 (latest: v0.11.1)
[INFO] [stderr]       Adding ctr v0.6.0 (latest: v0.9.2)
[INFO] [stderr]       Adding digest v0.9.0 (latest: v0.10.7)
[INFO] [stderr]       Adding funty v1.1.0 (latest: v2.0.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding getrandom v0.1.16 (latest: v0.2.12)
[INFO] [stderr]       Adding half v1.8.3 (latest: v2.4.0)
[INFO] [stderr]       Adding hermit-abi v0.1.19 (latest: v0.3.9)
[INFO] [stderr]       Adding hex-literal v0.3.4 (latest: v0.4.1)
[INFO] [stderr]       Adding hmac v0.10.1 (latest: v0.12.1)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding pbkdf2 v0.6.0 (latest: v0.12.2)
[INFO] [stderr]       Adding radium v0.6.2 (latest: v1.1.0)
[INFO] [stderr]       Adding rand v0.6.5 (latest: v0.8.5)
[INFO] [stderr]       Adding rand v0.7.3 (latest: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.1.1 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.3.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.4.2 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_core v0.5.1 (latest: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.1.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_hc v0.2.0 (latest: v0.3.2)
[INFO] [stderr]       Adding rand_isaac v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rand_jitter v0.1.4 (latest: v0.4.0)
[INFO] [stderr]       Adding rand_os v0.1.3 (latest: v0.2.2)
[INFO] [stderr]       Adding rand_pcg v0.1.2 (latest: v0.3.1)
[INFO] [stderr]       Adding rand_xorshift v0.1.1 (latest: v0.3.0)
[INFO] [stderr]       Adding rdrand v0.4.0 (latest: v0.8.3)
[INFO] [stderr]       Adding ripemd160 v0.9.1 (latest: v0.10.0)
[INFO] [stderr]       Adding salsa20 v0.7.2 (latest: v0.10.2)
[INFO] [stderr]       Adding scrypt v0.5.0 (latest: v0.11.0)
[INFO] [stderr]       Adding secp256k1 v0.20.3 (latest: v0.29.0)
[INFO] [stderr]       Adding secp256k1-sys v0.4.2 (latest: v0.10.0)
[INFO] [stderr]       Adding sha2 v0.9.9 (latest: v0.10.8)
[INFO] [stderr]       Adding subtle v2.4.1 (latest: v2.5.0)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.2.0 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tetsy-impl-serde v0.3.2
[INFO] [stderr]   Downloaded tetsy-fixed-hash v0.7.1
[INFO] [stderr]   Downloaded tetsy-impl-rlp v0.3.1
[INFO] [stderr]   Downloaded uint-crate v0.9.1
[INFO] [stderr]   Downloaded tetsy-impl-codec v0.5.1
[INFO] [stderr]   Downloaded tetsy-primitive-types v0.9.1
[INFO] [stderr]   Downloaded radium v0.6.2
[INFO] [stderr]   Downloaded tetsy-rlp v0.5.1
[INFO] [stderr]   Downloaded bitvec v0.20.4
[INFO] [stderr]   Downloaded ctr v0.6.0
[INFO] [stderr]   Downloaded aes-ctr v0.6.0
[INFO] [stderr]   Downloaded secp256k1-sys v0.4.2
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded pbkdf2 v0.6.0
[INFO] [stderr]   Downloaded salsa20 v0.7.2
[INFO] [stderr]   Downloaded scrypt v0.5.0
[INFO] [stderr]   Downloaded secp256k1 v0.20.3
[INFO] [stderr]   Downloaded tetsy-scale-codec v2.0.1
[INFO] [stderr]   Downloaded vapbloom v0.11.1
[INFO] [stderr]   Downloaded vapory-types v0.11.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ff737249404cf963548d6a5c9823dd961b046f23f1d299a483f42a37632d013
[INFO] running `Command { std: "docker" "start" "-a" "8ff737249404cf963548d6a5c9823dd961b046f23f1d299a483f42a37632d013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ff737249404cf963548d6a5c9823dd961b046f23f1d299a483f42a37632d013", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ff737249404cf963548d6a5c9823dd961b046f23f1d299a483f42a37632d013", kill_on_drop: false }`
[INFO] [stdout] 8ff737249404cf963548d6a5c9823dd961b046f23f1d299a483f42a37632d013
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 58300f2cbbc84de5866542c43d6bc6410a0e0161ccdd3f6b460eaa6b0cdd3622
[INFO] running `Command { std: "docker" "start" "-a" "58300f2cbbc84de5866542c43d6bc6410a0e0161ccdd3f6b460eaa6b0cdd3622", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking scrypt v0.5.0
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking tetsy-crypto v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let _ = &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:98:2
[INFO] [stdout]    |
[INFO] [stdout] 98 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/aes.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let _ = &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:98:2
[INFO] [stdout]    |
[INFO] [stdout] 98 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/aes.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/aes.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 133 |         &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let _ = &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.08s
[INFO] running `Command { std: "docker" "inspect" "58300f2cbbc84de5866542c43d6bc6410a0e0161ccdd3f6b460eaa6b0cdd3622", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "58300f2cbbc84de5866542c43d6bc6410a0e0161ccdd3f6b460eaa6b0cdd3622", kill_on_drop: false }`
[INFO] [stdout] 58300f2cbbc84de5866542c43d6bc6410a0e0161ccdd3f6b460eaa6b0cdd3622
[INFO] checking tetsy-crypto-0.8.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate tetsy-crypto 0.8.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate tetsy-crypto 0.8.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tetsy-crypto 0.8.1
[INFO] finished tweaking crates.io crate tetsy-crypto 0.8.1
[INFO] tweaked toml for crates.io crate tetsy-crypto 0.8.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca71298f8fb7b1d4514f72fd6b27ee8cd75dad30f2bb909fb609e0ca3acbf5a8
[INFO] running `Command { std: "docker" "start" "-a" "ca71298f8fb7b1d4514f72fd6b27ee8cd75dad30f2bb909fb609e0ca3acbf5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca71298f8fb7b1d4514f72fd6b27ee8cd75dad30f2bb909fb609e0ca3acbf5a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca71298f8fb7b1d4514f72fd6b27ee8cd75dad30f2bb909fb609e0ca3acbf5a8", kill_on_drop: false }`
[INFO] [stdout] ca71298f8fb7b1d4514f72fd6b27ee8cd75dad30f2bb909fb609e0ca3acbf5a8
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6598e29d165ca0168e2378cd73c49f009492f2d3ec6214f5911cad83a89ee81f
[INFO] running `Command { std: "docker" "start" "-a" "6598e29d165ca0168e2378cd73c49f009492f2d3ec6214f5911cad83a89ee81f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking opaque-debug v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking cpufeatures v0.2.12
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]     Checking plotters-backend v0.3.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]     Checking plotters-svg v0.3.5
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking half v1.8.3
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking plotters v0.3.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking criterion-plot v0.4.5
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking scrypt v0.5.0
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking tetsy-crypto v0.8.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let _ = &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:98:2
[INFO] [stdout]    |
[INFO] [stdout] 98 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/aes.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:75:2
[INFO] [stdout]    |
[INFO] [stdout] 75 |     &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 75 |     let _ = &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> src/aes.rs:98:2
[INFO] [stdout]    |
[INFO] [stdout] 98 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]    |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 98 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/aes.rs:120:2
[INFO] [stdout]     |
[INFO] [stdout] 120 |     &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 120 |     let _ = &mut dest[..encrypted.len()].copy_from_slice(encrypted);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/aes.rs:133:3
[INFO] [stdout]     |
[INFO] [stdout] 133 |         &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 133 |         let _ = &mut dest[..plain.len()].copy_from_slice(plain);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 30.94s
[INFO] running `Command { std: "docker" "inspect" "6598e29d165ca0168e2378cd73c49f009492f2d3ec6214f5911cad83a89ee81f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6598e29d165ca0168e2378cd73c49f009492f2d3ec6214f5911cad83a89ee81f", kill_on_drop: false }`
[INFO] [stdout] 6598e29d165ca0168e2378cd73c49f009492f2d3ec6214f5911cad83a89ee81f