[INFO] fetching crate parity-crypto 0.9.0...
[INFO] checking parity-crypto-0.9.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate parity-crypto 0.9.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate parity-crypto 0.9.0 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 parity-crypto 0.9.0
[INFO] finished tweaking crates.io crate parity-crypto 0.9.0
[INFO] tweaked toml for crates.io crate parity-crypto 0.9.0 written to /workspace/builds/worker-3-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 153 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 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 ethbloom v0.11.1 (latest: v0.13.0)
[INFO] [stderr]       Adding ethereum-types v0.12.1 (latest: v0.14.1)
[INFO] [stderr]       Adding fixed-hash v0.7.0 (latest: v0.8.0)
[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 impl-codec v0.5.1 (latest: v0.6.0)
[INFO] [stderr]       Adding impl-serde v0.3.2 (latest: v0.4.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding parity-scale-codec v2.3.1 (latest: v3.6.9)
[INFO] [stderr]       Adding parity-scale-codec-derive v2.3.1 (latest: v3.6.9)
[INFO] [stderr]       Adding password-hash v0.1.4 (latest: v0.5.0)
[INFO] [stderr]       Adding pbkdf2 v0.6.0 (latest: v0.12.2)
[INFO] [stderr]       Adding pbkdf2 v0.7.5 (latest: v0.12.2)
[INFO] [stderr]       Adding primitive-types v0.10.1 (latest: v0.12.2)
[INFO] [stderr]       Adding proc-macro-crate v1.3.1 (latest: v3.1.0)
[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 syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding textwrap v0.11.0 (latest: v0.16.1)
[INFO] [stderr]       Adding toml_edit v0.19.15 (latest: v0.22.9)
[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 winnow v0.5.40 (latest: v0.6.5)
[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 aes-ctr v0.6.0
[INFO] [stderr]   Downloaded hex-literal v0.3.4
[INFO] [stderr]   Downloaded password-hash v0.1.4
[INFO] [stderr]   Downloaded pbkdf2 v0.7.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ab83021d1bea0e41fe430b8203879c95928b5139a44ad3c7b8205d3ce799dfde
[INFO] running `Command { std: "docker" "start" "-a" "ab83021d1bea0e41fe430b8203879c95928b5139a44ad3c7b8205d3ce799dfde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab83021d1bea0e41fe430b8203879c95928b5139a44ad3c7b8205d3ce799dfde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab83021d1bea0e41fe430b8203879c95928b5139a44ad3c7b8205d3ce799dfde", kill_on_drop: false }`
[INFO] [stdout] ab83021d1bea0e41fe430b8203879c95928b5139a44ad3c7b8205d3ce799dfde
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0fafb8fac95c06910d2f8da7f2ef36a51e8f87576d2787d0678382b7b1115691
[INFO] running `Command { std: "docker" "start" "-a" "0fafb8fac95c06910d2f8da7f2ef36a51e8f87576d2787d0678382b7b1115691", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]     Checking base64ct v1.6.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking block-padding v0.2.1
[INFO] [stderr]     Checking ripemd160 v0.9.1
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stderr]     Checking crypto-mac v0.10.1
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking salsa20 v0.7.2
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking aes v0.6.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking password-hash v0.1.4
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking pbkdf2 v0.7.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking scrypt v0.5.0
[INFO] [stderr]     Checking parity-crypto v0.9.0 (/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] [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 3.59s
[INFO] running `Command { std: "docker" "inspect" "0fafb8fac95c06910d2f8da7f2ef36a51e8f87576d2787d0678382b7b1115691", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fafb8fac95c06910d2f8da7f2ef36a51e8f87576d2787d0678382b7b1115691", kill_on_drop: false }`
[INFO] [stdout] 0fafb8fac95c06910d2f8da7f2ef36a51e8f87576d2787d0678382b7b1115691