[INFO] fetching crate uniqueid 0.2.6...
[INFO] checking uniqueid-0.2.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate uniqueid 0.2.6 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate uniqueid 0.2.6 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 uniqueid 0.2.6
[INFO] finished tweaking crates.io crate uniqueid 0.2.6
[INFO] tweaked toml for crates.io crate uniqueid 0.2.6 written to /workspace/builds/worker-4-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 25 packages
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding ntapi v0.3.7 (latest: v0.4.1)
[INFO] [stderr]       Adding sysinfo v0.23.13 (latest: v0.30.8)
[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 sysinfo v0.23.13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 379450f5dc035ff8cc2615a21258b4a31229456cc8bd899c9b1f0153f53ef7cd
[INFO] running `Command { std: "docker" "start" "-a" "379450f5dc035ff8cc2615a21258b4a31229456cc8bd899c9b1f0153f53ef7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "379450f5dc035ff8cc2615a21258b4a31229456cc8bd899c9b1f0153f53ef7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "379450f5dc035ff8cc2615a21258b4a31229456cc8bd899c9b1f0153f53ef7cd", kill_on_drop: false }`
[INFO] [stdout] 379450f5dc035ff8cc2615a21258b4a31229456cc8bd899c9b1f0153f53ef7cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 920d95be91b7bb44e818c313d21e1671d532b5831d95cd42cc47f0b98fa38982
[INFO] running `Command { std: "docker" "start" "-a" "920d95be91b7bb44e818c313d21e1671d532b5831d95cd42cc47f0b98fa38982", kill_on_drop: false }`
[INFO] [stderr]    Compiling sysinfo v0.23.13
[INFO] [stderr]     Checking keccak v0.1.5
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha3 v0.10.8
[INFO] [stderr]     Checking uniqueid v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `sysinfo` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sysinfo::{self, DiskExt, ProcessorExt, System, SystemExt};
[INFO] [stdout]   |               ^^^^ the item `sysinfo` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sysinfo` is imported redundantly
[INFO] [stdout]  --> src/lib.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use sysinfo::{self, DiskExt, ProcessorExt, System, SystemExt};
[INFO] [stdout]   |               ^^^^ the item `sysinfo` is already defined by prelude
[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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `Command { std: "docker" "inspect" "920d95be91b7bb44e818c313d21e1671d532b5831d95cd42cc47f0b98fa38982", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "920d95be91b7bb44e818c313d21e1671d532b5831d95cd42cc47f0b98fa38982", kill_on_drop: false }`
[INFO] [stdout] 920d95be91b7bb44e818c313d21e1671d532b5831d95cd42cc47f0b98fa38982