[INFO] fetching crate sn_registers 0.3.4...
[INFO] checking sn_registers-0.3.4 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate sn_registers 0.3.4 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate sn_registers 0.3.4 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 sn_registers 0.3.4
[INFO] finished tweaking crates.io crate sn_registers 0.3.4
[INFO] tweaked toml for crates.io crate sn_registers 0.3.4 written to /workspace/builds/worker-5-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]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 122 packages
[INFO] [stderr]       Adding blstrs v0.6.2 (latest: v0.7.1)
[INFO] [stderr]       Adding brotli v3.3.4 (latest: v4.0.0)
[INFO] [stderr]       Adding brotli-decompressor v2.3.5 (latest: v3.0.0)
[INFO] [stderr]       Adding ff v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding group v0.12.1 (latest: v0.13.0)
[INFO] [stderr]       Adding itertools v0.10.5 (latest: v0.12.1)
[INFO] [stderr]       Adding linux-raw-sys v0.4.13 (latest: v0.6.4)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding pairing v0.22.0 (latest: v0.23.0)
[INFO] [stderr]       Adding quick-error v1.2.3 (latest: v2.0.1)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding self_encryption v0.28.6 (latest: v0.29.1)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding synstructure v0.12.6 (latest: v0.13.1)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding wyz v0.5.1 (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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pairing v0.22.0
[INFO] [stderr]   Downloaded xor_name v5.0.0
[INFO] [stderr]   Downloaded err-derive v0.3.1
[INFO] [stderr]   Downloaded self_encryption v0.28.6
[INFO] [stderr]   Downloaded blstrs v0.6.2
[INFO] [stderr]   Downloaded blsttc v8.0.2
[INFO] [stderr]   Downloaded blst v0.3.11
[INFO] [stderr]   Downloaded brotli-decompressor v2.3.5
[INFO] [stderr]   Downloaded crdts v7.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 21507eaf38a664bb5531a2154ada1842d9b998ad0f280388d442fd765ce76bb8
[INFO] running `Command { std: "docker" "start" "-a" "21507eaf38a664bb5531a2154ada1842d9b998ad0f280388d442fd765ce76bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "21507eaf38a664bb5531a2154ada1842d9b998ad0f280388d442fd765ce76bb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21507eaf38a664bb5531a2154ada1842d9b998ad0f280388d442fd765ce76bb8", kill_on_drop: false }`
[INFO] [stdout] 21507eaf38a664bb5531a2154ada1842d9b998ad0f280388d442fd765ce76bb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d4e74ba08416a925db8af745f5d08d585f45391982d4a127d94166d8358965cc
[INFO] running `Command { std: "docker" "start" "-a" "d4e74ba08416a925db8af745f5d08d585f45391982d4a127d94166d8358965cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]    Compiling blst v0.3.11
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking block-padding v0.3.3
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]    Compiling err-derive v0.3.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling unicode-xid v0.2.4
[INFO] [stderr]     Checking brotli-decompressor v2.3.5
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking byte-slice-cast v1.2.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking cbc v0.1.2
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking hex_fmt v0.3.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking brotli v3.3.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]     Checking ff v0.12.1
[INFO] [stderr]     Checking group v0.12.1
[INFO] [stderr]     Checking pairing v0.22.0
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking serde_test v1.0.176
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking blstrs v0.6.2
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking crdts v7.3.2
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking xor_name v5.0.0
[INFO] [stderr]     Checking blsttc v8.0.2
[INFO] [stderr]     Checking self_encryption v0.28.6
[INFO] [stderr]     Checking sn_registers v0.3.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Rng` is imported redundantly
[INFO] [stdout]    --> src/register.rs:287:59
[INFO] [stdout]     |
[INFO] [stdout] 286 |     use proptest::prelude::*;
[INFO] [stdout]     |         -------------------- the item `Rng` is already imported here
[INFO] [stdout] 287 |     use rand::{rngs::OsRng, seq::SliceRandom, thread_rng, Rng};
[INFO] [stdout]     |                                                           ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.64s
[INFO] running `Command { std: "docker" "inspect" "d4e74ba08416a925db8af745f5d08d585f45391982d4a127d94166d8358965cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4e74ba08416a925db8af745f5d08d585f45391982d4a127d94166d8358965cc", kill_on_drop: false }`
[INFO] [stdout] d4e74ba08416a925db8af745f5d08d585f45391982d4a127d94166d8358965cc