[INFO] fetching crate rust-dash-handshake 0.1.0...
[INFO] checking rust-dash-handshake-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rust-dash-handshake 0.1.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rust-dash-handshake 0.1.0 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 rust-dash-handshake 0.1.0
[INFO] finished tweaking crates.io crate rust-dash-handshake 0.1.0
[INFO] tweaked toml for crates.io crate rust-dash-handshake 0.1.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate rust-dash-handshake 0.1.0 already has a lockfile, it will not be regenerated
[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 async-task v4.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.38
[INFO] [stderr]   Downloaded async-executor v1.6.0
[INFO] [stderr]   Downloaded blocking v1.4.1
[INFO] [stderr]   Downloaded concurrent-queue v2.3.0
[INFO] [stderr]   Downloaded value-bag v1.4.2
[INFO] [stderr]   Downloaded web-sys v0.3.65
[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] f0f56c5a72d7e6aa2768d299d374729293cb7d1023c0216d48c4c952265534bf
[INFO] running `Command { std: "docker" "start" "-a" "f0f56c5a72d7e6aa2768d299d374729293cb7d1023c0216d48c4c952265534bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f56c5a72d7e6aa2768d299d374729293cb7d1023c0216d48c4c952265534bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f56c5a72d7e6aa2768d299d374729293cb7d1023c0216d48c4c952265534bf", kill_on_drop: false }`
[INFO] [stdout] f0f56c5a72d7e6aa2768d299d374729293cb7d1023c0216d48c4c952265534bf
[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] ac82de152b832e5956bbe12619539a2377e5b91ec043ffeb2d3e96494f03b402
[INFO] running `Command { std: "docker" "start" "-a" "ac82de152b832e5956bbe12619539a2377e5b91ec043ffeb2d3e96494f03b402", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking value-bag v1.4.2
[INFO] [stderr]    Compiling io-lifetimes v1.0.11
[INFO] [stderr]    Compiling polling v2.8.0
[INFO] [stderr]     Checking async-lock v2.8.0
[INFO] [stderr]    Compiling rustix v0.37.27
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]    Compiling async-io v1.13.0
[INFO] [stderr]     Checking async-task v4.5.0
[INFO] [stderr]     Checking atomic-waker v1.1.2
[INFO] [stderr]     Checking linux-raw-sys v0.3.8
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking cpufeatures v0.2.11
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking piper v0.2.1
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking concurrent-queue v2.3.0
[INFO] [stderr]     Checking async-channel v1.9.0
[INFO] [stderr]     Checking async-executor v1.6.0
[INFO] [stderr]     Checking blocking v1.4.1
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking async-global-executor v2.3.1
[INFO] [stderr]     Checking async-std v1.12.0
[INFO] [stderr]     Checking rust-dash-handshake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` 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 `rand` is imported redundantly
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand;
[INFO] [stdout]   |     ^^^^ the item `rand` 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 5.85s
[INFO] running `Command { std: "docker" "inspect" "ac82de152b832e5956bbe12619539a2377e5b91ec043ffeb2d3e96494f03b402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac82de152b832e5956bbe12619539a2377e5b91ec043ffeb2d3e96494f03b402", kill_on_drop: false }`
[INFO] [stdout] ac82de152b832e5956bbe12619539a2377e5b91ec043ffeb2d3e96494f03b402