[INFO] fetching crate lucid-client 0.2.0...
[INFO] checking lucid-client-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate lucid-client 0.2.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate lucid-client 0.2.0 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 lucid-client 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate lucid-client 0.2.0
[INFO] tweaked toml for crates.io crate lucid-client 0.2.0 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]      Locking 136 packages
[INFO] [stderr]       Adding base64 v0.12.3 (latest: v0.22.0)
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[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] 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] 3861ce124e2cd294a76c477b893b2e87ad0a8c3b878b1f67dbe8476d3139782f
[INFO] running `Command { std: "docker" "start" "-a" "3861ce124e2cd294a76c477b893b2e87ad0a8c3b878b1f67dbe8476d3139782f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3861ce124e2cd294a76c477b893b2e87ad0a8c3b878b1f67dbe8476d3139782f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3861ce124e2cd294a76c477b893b2e87ad0a8c3b878b1f67dbe8476d3139782f", kill_on_drop: false }`
[INFO] [stdout] 3861ce124e2cd294a76c477b893b2e87ad0a8c3b878b1f67dbe8476d3139782f
[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] eb4724bb3af3ed9c060692644ff82e90e0266f698c4043b78a3bf5fdfabd9190
[INFO] running `Command { std: "docker" "start" "-a" "eb4724bb3af3ed9c060692644ff82e90e0266f698c4043b78a3bf5fdfabd9190", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]    Compiling ring v0.16.20
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[INFO] [stderr]    Compiling syn v2.0.58
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[INFO] [stderr]     Checking tokio v0.2.25
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[INFO] [stderr]     Checking lucid-client v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `jwt` is never read
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LucidKVClient {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     jwt: Option<String>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `jwt` is never read
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct LucidKVClient {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 9 |     jwt: Option<String>,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` 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] [stdout] warning: unused import: `Deserialize`
[INFO] [stdout]  --> tests/client.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]   |                    ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `tokio` is imported redundantly
[INFO] [stdout]  --> tests/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use tokio;
[INFO] [stdout]   |     ^^^^^ the item `tokio` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.59s
[INFO] running `Command { std: "docker" "inspect" "eb4724bb3af3ed9c060692644ff82e90e0266f698c4043b78a3bf5fdfabd9190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb4724bb3af3ed9c060692644ff82e90e0266f698c4043b78a3bf5fdfabd9190", kill_on_drop: false }`
[INFO] [stdout] eb4724bb3af3ed9c060692644ff82e90e0266f698c4043b78a3bf5fdfabd9190