[INFO] fetching crate solidity-metadata 1.0.0...
[INFO] checking solidity-metadata-1.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate solidity-metadata 1.0.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate solidity-metadata 1.0.0 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 solidity-metadata 1.0.0
[INFO] finished tweaking crates.io crate solidity-metadata 1.0.0
[INFO] tweaked toml for crates.io crate solidity-metadata 1.0.0 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 16 packages
[INFO] [stderr]       Adding minicbor v0.18.0 (latest: v0.21.1)
[INFO] [stderr]       Adding minicbor-derive v0.12.0 (latest: v0.13.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[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 minicbor v0.18.0
[INFO] [stderr]   Downloaded blockscout-display-bytes v1.0.0
[INFO] [stderr]   Downloaded minicbor-derive v0.12.0
[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] 06aa6247c8ef584a65cbc3be1b153d2b9e00b0ddb9d091dc219aff9fd3811c57
[INFO] running `Command { std: "docker" "start" "-a" "06aa6247c8ef584a65cbc3be1b153d2b9e00b0ddb9d091dc219aff9fd3811c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06aa6247c8ef584a65cbc3be1b153d2b9e00b0ddb9d091dc219aff9fd3811c57", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06aa6247c8ef584a65cbc3be1b153d2b9e00b0ddb9d091dc219aff9fd3811c57", kill_on_drop: false }`
[INFO] [stdout] 06aa6247c8ef584a65cbc3be1b153d2b9e00b0ddb9d091dc219aff9fd3811c57
[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] 5e813fe30a6c6962f5bc438edd83dc8b31226a5ce5933f841c038f2a77249da6
[INFO] running `Command { std: "docker" "start" "-a" "5e813fe30a6c6962f5bc438edd83dc8b31226a5ce5933f841c038f2a77249da6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling minicbor v0.18.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking blockscout-display-bytes v1.0.0
[INFO] [stderr]     Checking solidity-metadata v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `FromStr` is imported redundantly
[INFO] [stdout]    --> src/lib.rs:118:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     use super::*;
[INFO] [stdout]     |         -------- the item `FromStr` is already imported here
[INFO] [stdout] 117 |     use blockscout_display_bytes::Bytes as DisplayBytes;
[INFO] [stdout] 118 |     use std::str::FromStr;
[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 11.89s
[INFO] running `Command { std: "docker" "inspect" "5e813fe30a6c6962f5bc438edd83dc8b31226a5ce5933f841c038f2a77249da6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e813fe30a6c6962f5bc438edd83dc8b31226a5ce5933f841c038f2a77249da6", kill_on_drop: false }`
[INFO] [stdout] 5e813fe30a6c6962f5bc438edd83dc8b31226a5ce5933f841c038f2a77249da6