[INFO] fetching crate safe_cache 0.2.2...
[INFO] building safe_cache-0.2.2 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate safe_cache 0.2.2 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate safe_cache 0.2.2
[INFO] finished tweaking crates.io crate safe_cache 0.2.2
[INFO] tweaked toml for crates.io crate safe_cache 0.2.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate safe_cache 0.2.2 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c767fb7b295381d8a58197d8c5b9787672f1653f78d95ced9cc7ea6779339b1d
[INFO] running `Command { std: "docker" "start" "-a" "c767fb7b295381d8a58197d8c5b9787672f1653f78d95ced9cc7ea6779339b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c767fb7b295381d8a58197d8c5b9787672f1653f78d95ced9cc7ea6779339b1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c767fb7b295381d8a58197d8c5b9787672f1653f78d95ced9cc7ea6779339b1d", kill_on_drop: false }`
[INFO] [stdout] c767fb7b295381d8a58197d8c5b9787672f1653f78d95ced9cc7ea6779339b1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1e1a2c46030cfee1b16c9ebb98bd87c5a457d3d5d816ea84ed80abfaac03d950
[INFO] running `Command { std: "docker" "start" "-a" "1e1a2c46030cfee1b16c9ebb98bd87c5a457d3d5d816ea84ed80abfaac03d950", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling safe_cache v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "1e1a2c46030cfee1b16c9ebb98bd87c5a457d3d5d816ea84ed80abfaac03d950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e1a2c46030cfee1b16c9ebb98bd87c5a457d3d5d816ea84ed80abfaac03d950", kill_on_drop: false }`
[INFO] [stdout] 1e1a2c46030cfee1b16c9ebb98bd87c5a457d3d5d816ea84ed80abfaac03d950
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c76304f42b73d0cba6fea58d5e2a1e07e8ba7d51efd6f8e50ddc9598d5419959
[INFO] running `Command { std: "docker" "start" "-a" "c76304f42b73d0cba6fea58d5e2a1e07e8ba7d51efd6f8e50ddc9598d5419959", kill_on_drop: false }`
[INFO] [stderr]    Compiling safe_cache v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `test_cache` is never used
[INFO] [stdout]   --> src/lib.rs:97:10
[INFO] [stdout]    |
[INFO] [stdout] 97 | async fn test_cache() {
[INFO] [stdout]    |          ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_cache_rwlock` is never used
[INFO] [stdout]    --> src/lib.rs:196:10
[INFO] [stdout]     |
[INFO] [stdout] 196 | async fn test_cache_rwlock() {
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "c76304f42b73d0cba6fea58d5e2a1e07e8ba7d51efd6f8e50ddc9598d5419959", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c76304f42b73d0cba6fea58d5e2a1e07e8ba7d51efd6f8e50ddc9598d5419959", kill_on_drop: false }`
[INFO] [stdout] c76304f42b73d0cba6fea58d5e2a1e07e8ba7d51efd6f8e50ddc9598d5419959