[INFO] fetching crate fire-stream 0.4.0...
[INFO] checking fire-stream-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fire-stream 0.4.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate fire-stream 0.4.0 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 fire-stream 0.4.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate fire-stream 0.4.0
[INFO] tweaked toml for crates.io crate fire-stream 0.4.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate fire-stream 0.4.0 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]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.190
[INFO] [stderr]   Downloaded curve25519-dalek-derive v0.1.0
[INFO] [stderr]   Downloaded x25519-dalek v2.0.0
[INFO] [stderr]   Downloaded serde v1.0.190
[INFO] [stderr]   Downloaded spki v0.7.2
[INFO] [stderr]   Downloaded const-oid v0.9.5
[INFO] [stderr]   Downloaded der v0.7.8
[INFO] [stderr]   Downloaded ed25519-dalek v2.0.0
[INFO] [stderr]   Downloaded curve25519-dalek v4.1.1
[INFO] [stderr]   Downloaded fiat-crypto v0.2.2
[INFO] [stderr]   Downloaded syn v2.0.38
[INFO] [stderr]   Downloaded platforms v3.1.2
[INFO] [stderr]   Downloaded signature v2.1.0
[INFO] [stderr]   Downloaded simple-bytes v0.2.14
[INFO] [stderr]   Downloaded fire-crypto v0.4.0
[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] f61f022de8f61001dd5d664ac30aeb90b87f5aa9b95c5fa00771be9b330e391b
[INFO] running `Command { std: "docker" "start" "-a" "f61f022de8f61001dd5d664ac30aeb90b87f5aa9b95c5fa00771be9b330e391b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f61f022de8f61001dd5d664ac30aeb90b87f5aa9b95c5fa00771be9b330e391b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f61f022de8f61001dd5d664ac30aeb90b87f5aa9b95c5fa00771be9b330e391b", kill_on_drop: false }`
[INFO] [stdout] f61f022de8f61001dd5d664ac30aeb90b87f5aa9b95c5fa00771be9b330e391b
[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] 21f1092fda1709d51fb1fea0ee4edfe7d46260f1423abfa075ce1df3bdeb5ea9
[INFO] running `Command { std: "docker" "start" "-a" "21f1092fda1709d51fb1fea0ee4edfe7d46260f1423abfa075ce1df3bdeb5ea9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking simple-bytes v0.2.14
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking mio v0.8.9
[INFO] [stderr]     Checking socket2 v0.5.5
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking fire-stream v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Duration` is imported redundantly
[INFO] [stdout]    --> src/plain/mod.rs:143:27
[INFO] [stdout]     |
[INFO] [stdout] 137 |     use super::*;
[INFO] [stdout]     |         -------- the item `Duration` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 143 |     use tokio::time::{sleep, Duration};
[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 6.29s
[INFO] running `Command { std: "docker" "inspect" "21f1092fda1709d51fb1fea0ee4edfe7d46260f1423abfa075ce1df3bdeb5ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f1092fda1709d51fb1fea0ee4edfe7d46260f1423abfa075ce1df3bdeb5ea9", kill_on_drop: false }`
[INFO] [stdout] 21f1092fda1709d51fb1fea0ee4edfe7d46260f1423abfa075ce1df3bdeb5ea9