[INFO] fetching crate micro_types 0.3.0...
[INFO] checking micro_types-0.3.0 against try#24cd45d7714ba43afd4b8e62fb677b069b21c4a5 for pr-129543
[INFO] extracting crate micro_types 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate micro_types 0.3.0 on toolchain 24cd45d7714ba43afd4b8e62fb677b069b21c4a5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate micro_types 0.3.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate micro_types 0.3.0
[INFO] tweaked toml for crates.io crate micro_types 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate micro_types 0.3.0 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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a8ebe9fa4c2199a3fad1124563aa19992c49ae0ab504d16c1919777490da0cd
[INFO] running `Command { std: "docker" "start" "-a" "1a8ebe9fa4c2199a3fad1124563aa19992c49ae0ab504d16c1919777490da0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a8ebe9fa4c2199a3fad1124563aa19992c49ae0ab504d16c1919777490da0cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a8ebe9fa4c2199a3fad1124563aa19992c49ae0ab504d16c1919777490da0cd", kill_on_drop: false }`
[INFO] [stdout] 1a8ebe9fa4c2199a3fad1124563aa19992c49ae0ab504d16c1919777490da0cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "+24cd45d7714ba43afd4b8e62fb677b069b21c4a5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e61b70b3d1264ec7cfa8ce5a26b7ddb4f4cfc00b350e89a8a96165e635c863
[INFO] running `Command { std: "docker" "start" "-a" "32e61b70b3d1264ec7cfa8ce5a26b7ddb4f4cfc00b350e89a8a96165e635c863", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.106
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking url v2.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]     Checking redis v0.23.3
[INFO] [stderr]     Checking micro_types v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: enum `BarrierError` is never used
[INFO] [stdout]    --> src/redis/barrier.rs:150:6
[INFO] [stdout]     |
[INFO] [stdout] 150 | enum BarrierError {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `conn` is never read
[INFO] [stdout]   --> src/redis/rwlock/lock.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct RwLock<T> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 77 |     pub(crate) data: Generic<T>,
[INFO] [stdout] 78 |     pub(crate) conn: Option<redis::Connection>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `BarrierError` is never used
[INFO] [stdout]    --> src/redis/barrier.rs:150:6
[INFO] [stdout]     |
[INFO] [stdout] 150 | enum BarrierError {
[INFO] [stdout]     |      ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `conn` is never read
[INFO] [stdout]   --> src/redis/rwlock/lock.rs:78:16
[INFO] [stdout]    |
[INFO] [stdout] 76 | pub struct RwLock<T> {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 77 |     pub(crate) data: Generic<T>,
[INFO] [stdout] 78 |     pub(crate) conn: Option<redis::Connection>,
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.89s
[INFO] running `Command { std: "docker" "inspect" "32e61b70b3d1264ec7cfa8ce5a26b7ddb4f4cfc00b350e89a8a96165e635c863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e61b70b3d1264ec7cfa8ce5a26b7ddb4f4cfc00b350e89a8a96165e635c863", kill_on_drop: false }`
[INFO] [stdout] 32e61b70b3d1264ec7cfa8ce5a26b7ddb4f4cfc00b350e89a8a96165e635c863