[INFO] fetching crate somnytoo 2.0.0...
[INFO] checking somnytoo-2.0.0 against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155499
[INFO] extracting crate somnytoo 2.0.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate somnytoo 2.0.0
[INFO] finished tweaking crates.io crate somnytoo 2.0.0
[INFO] tweaked toml for crates.io crate somnytoo 2.0.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate somnytoo 2.0.0 on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate somnytoo 2.0.0 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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lru v0.16.1
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[INFO] [stderr]   Downloaded serde v1.0.224
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[INFO] [stdout] faae2bd5c1a1d3b1a89807e2d4c18f6e05136b6fa10b8953c7e3baa2c53e3be2
[INFO] running `Command { std: "docker" "start" "-a" "faae2bd5c1a1d3b1a89807e2d4c18f6e05136b6fa10b8953c7e3baa2c53e3be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faae2bd5c1a1d3b1a89807e2d4c18f6e05136b6fa10b8953c7e3baa2c53e3be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faae2bd5c1a1d3b1a89807e2d4c18f6e05136b6fa10b8953c7e3baa2c53e3be2", kill_on_drop: false }`
[INFO] [stdout] faae2bd5c1a1d3b1a89807e2d4c18f6e05136b6fa10b8953c7e3baa2c53e3be2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cde17035824144453c5020ee287ce00125dfd19ac71d86c71551dd57114ac1bc
[INFO] running `Command { std: "docker" "start" "-a" "cde17035824144453c5020ee287ce00125dfd19ac71d86c71551dd57114ac1bc", kill_on_drop: false }`
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[INFO] [stderr]     Checking somnytoo v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable `config` is assigned to, but never used
[INFO] [stdout]     --> src/core/protocol/batch_system/integration.rs:2157:25
[INFO] [stdout]      |
[INFO] [stdout] 2157 |                     let mut config = self.adaptive_batcher.config.clone();
[INFO] [stdout]      |                         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_config` instead
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `config` is never read
[INFO] [stdout]     --> src/core/protocol/batch_system/integration.rs:2129:21
[INFO] [stdout]      |
[INFO] [stdout] 2129 |                     config.initial_batch_size = clamped_size;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `config` is never read
[INFO] [stdout]     --> src/core/protocol/batch_system/integration.rs:2158:21
[INFO] [stdout]      |
[INFO] [stdout] 2158 |                     config.target_latency = Duration::from_millis(ms);
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `config` is assigned to, but never used
[INFO] [stdout]     --> src/core/protocol/batch_system/integration.rs:2157:25
[INFO] [stdout]      |
[INFO] [stdout] 2157 |                     let mut config = self.adaptive_batcher.config.clone();
[INFO] [stdout]      |                         ^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_config` instead
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `config` is never read
[INFO] [stdout]     --> src/core/protocol/batch_system/integration.rs:2129:21
[INFO] [stdout]      |
[INFO] [stdout] 2129 |                     config.initial_batch_size = clamped_size;
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `config` is never read
[INFO] [stdout]     --> src/core/protocol/batch_system/integration.rs:2158:21
[INFO] [stdout]      |
[INFO] [stdout] 2158 |                     config.target_latency = Duration::from_millis(ms);
[INFO] [stdout]      |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 54.87s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: sqlx-postgres v0.7.4
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "cde17035824144453c5020ee287ce00125dfd19ac71d86c71551dd57114ac1bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cde17035824144453c5020ee287ce00125dfd19ac71d86c71551dd57114ac1bc", kill_on_drop: false }`
[INFO] [stdout] cde17035824144453c5020ee287ce00125dfd19ac71d86c71551dd57114ac1bc
