[INFO] fetching crate cs-trace 0.4.0...
[INFO] checking cs-trace-0.4.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate cs-trace 0.4.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate cs-trace 0.4.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cs-trace 0.4.0
[INFO] finished tweaking crates.io crate cs-trace 0.4.0
[INFO] tweaked toml for crates.io crate cs-trace 0.4.0 written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74bc71d0a8b7820c2e9453a28655d87e1134b16327200558487250c7c88c7aa4
[INFO] running `Command { std: "docker" "start" "-a" "74bc71d0a8b7820c2e9453a28655d87e1134b16327200558487250c7c88c7aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74bc71d0a8b7820c2e9453a28655d87e1134b16327200558487250c7c88c7aa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74bc71d0a8b7820c2e9453a28655d87e1134b16327200558487250c7c88c7aa4", kill_on_drop: false }`
[INFO] [stdout] 74bc71d0a8b7820c2e9453a28655d87e1134b16327200558487250c7c88c7aa4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e6640ec069d0685ac4c16edd2eb5866a86fd1009818a55014a12ad2e8b9791a
[INFO] running `Command { std: "docker" "start" "-a" "5e6640ec069d0685ac4c16edd2eb5866a86fd1009818a55014a12ad2e8b9791a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling rstest v0.11.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking tracing-appender v0.1.2
[INFO] [stderr]     Checking cs-trace v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]   --> tests/thread_safety_test.rs:21:9
[INFO] [stdout]    |
[INFO] [stdout] 21 |         &trace.info("hello world!");
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.74s
[INFO] running `Command { std: "docker" "inspect" "5e6640ec069d0685ac4c16edd2eb5866a86fd1009818a55014a12ad2e8b9791a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e6640ec069d0685ac4c16edd2eb5866a86fd1009818a55014a12ad2e8b9791a", kill_on_drop: false }`
[INFO] [stdout] 5e6640ec069d0685ac4c16edd2eb5866a86fd1009818a55014a12ad2e8b9791a
