[INFO] fetching crate micro_types 0.3.0...
[INFO] checking micro_types-0.3.0 against master#fe348cd1a8e0fa445b772393147ed865904dcd4d for pr-139587-2
[INFO] extracting crate micro_types 0.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate micro_types 0.3.0 on toolchain fe348cd1a8e0fa445b772393147ed865904dcd4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "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-5-tc1/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" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.48
[INFO] [stderr]   Downloaded thiserror-impl v1.0.48
[INFO] [stderr]   Downloaded serde_json v1.0.106
[INFO] [stderr]   Downloaded syn v2.0.33
[INFO] [stderr]   Downloaded libc v0.2.147
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b29f29dbaa258a6abbc2121564185ef9b0363c3512c5a96eb0e9535b504682ad
[INFO] running `Command { std: "docker" "start" "-a" "b29f29dbaa258a6abbc2121564185ef9b0363c3512c5a96eb0e9535b504682ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b29f29dbaa258a6abbc2121564185ef9b0363c3512c5a96eb0e9535b504682ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b29f29dbaa258a6abbc2121564185ef9b0363c3512c5a96eb0e9535b504682ad", kill_on_drop: false }`
[INFO] [stdout] b29f29dbaa258a6abbc2121564185ef9b0363c3512c5a96eb0e9535b504682ad
[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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+fe348cd1a8e0fa445b772393147ed865904dcd4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0a03bc1ba1dbf5fa99a92b1f841cbe7b4cee98a18af8a6583271d4bcb70f74f
[INFO] running `Command { std: "docker" "start" "-a" "c0a03bc1ba1dbf5fa99a92b1f841cbe7b4cee98a18af8a6583271d4bcb70f74f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]     Checking percent-encoding v2.3.0
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]     Checking bytes v1.5.0
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling serde_json v1.0.106
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking sha1_smol v1.0.0
[INFO] [stderr]     Checking unicode-normalization v0.1.22
[INFO] [stderr]     Checking form_urlencoded v1.2.0
[INFO] [stderr]     Checking idna v0.4.0
[INFO] [stderr]     Checking combine v4.6.6
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]     Checking socket2 v0.4.9
[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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.11s
[INFO] running `Command { std: "docker" "inspect" "c0a03bc1ba1dbf5fa99a92b1f841cbe7b4cee98a18af8a6583271d4bcb70f74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0a03bc1ba1dbf5fa99a92b1f841cbe7b4cee98a18af8a6583271d4bcb70f74f", kill_on_drop: false }`
[INFO] [stdout] c0a03bc1ba1dbf5fa99a92b1f841cbe7b4cee98a18af8a6583271d4bcb70f74f