[INFO] fetching crate snowplow_tracker 0.2.0...
[INFO] checking snowplow_tracker-0.2.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate snowplow_tracker 0.2.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate snowplow_tracker 0.2.0 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate snowplow_tracker 0.2.0
[INFO] finished tweaking crates.io crate snowplow_tracker 0.2.0
[INFO] tweaked toml for crates.io crate snowplow_tracker 0.2.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate snowplow_tracker 0.2.0 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08fcab9a1b9b09a08908069cee8ec0b2f1b80ba1d0ca02cd55fa31fca19022f0
[INFO] running `Command { std: "docker" "start" "-a" "08fcab9a1b9b09a08908069cee8ec0b2f1b80ba1d0ca02cd55fa31fca19022f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08fcab9a1b9b09a08908069cee8ec0b2f1b80ba1d0ca02cd55fa31fca19022f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08fcab9a1b9b09a08908069cee8ec0b2f1b80ba1d0ca02cd55fa31fca19022f0", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c7be5d6cfbc27704ed5e863c15e0bae2fb5a25dbba38114779253f9783533a53
[INFO] running `Command { std: "docker" "start" "-a" "c7be5d6cfbc27704ed5e863c15e0bae2fb5a25dbba38114779253f9783533a53", kill_on_drop: false }`
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[INFO] [stderr]     Checking snowplow_tracker v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `encode_base_64` is never read
[INFO] [stdout]   --> src/tracker.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct TrackerConfig {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 25 |     pub encode_base_64: bool,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/event_store/in_memory_event_store.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |         Ok(drop(batch_id))
[INFO] [stdout]     |            ^^^^^--------^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 argument has type `Uuid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking testcontainers v0.14.0
[INFO] [stdout] warning: unused import: `flakey_http_client::FlakeyHttpClient`
[INFO] [stdout]  --> tests/common/mod.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub use flakey_http_client::FlakeyHttpClient;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `micro::Micro`
[INFO] [stdout]  --> tests/common/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use micro::Micro;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `micro::Micro`
[INFO] [stdout]  --> tests/common/mod.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub use micro::Micro;
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/event_store/in_memory_event_store.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 141 |         Ok(drop(batch_id))
[INFO] [stdout]     |            ^^^^^--------^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 argument has type `uuid::Uuid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` 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 32.88s
[INFO] running `Command { std: "docker" "inspect" "c7be5d6cfbc27704ed5e863c15e0bae2fb5a25dbba38114779253f9783533a53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7be5d6cfbc27704ed5e863c15e0bae2fb5a25dbba38114779253f9783533a53", kill_on_drop: false }`
[INFO] [stdout] c7be5d6cfbc27704ed5e863c15e0bae2fb5a25dbba38114779253f9783533a53