[INFO] fetching crate tracing-fn 0.1.0...
[INFO] checking tracing-fn-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate tracing-fn 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate tracing-fn 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate tracing-fn 0.1.0
[INFO] tweaked toml for crates.io crate tracing-fn 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-fn 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-fn 0.1.0 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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fecb94e2cef718344e1a10113952cf73cb26f08a0642de66ba5f41e93139e3a8
[INFO] running `Command { std: "docker" "start" "-a" "fecb94e2cef718344e1a10113952cf73cb26f08a0642de66ba5f41e93139e3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fecb94e2cef718344e1a10113952cf73cb26f08a0642de66ba5f41e93139e3a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fecb94e2cef718344e1a10113952cf73cb26f08a0642de66ba5f41e93139e3a8", kill_on_drop: false }`
[INFO] [stdout] fecb94e2cef718344e1a10113952cf73cb26f08a0642de66ba5f41e93139e3a8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04ac06065343bf87ac62beb01bdd57c93831ab71188b7be153cefa358d659646
[INFO] running `Command { std: "docker" "start" "-a" "04ac06065343bf87ac62beb01bdd57c93831ab71188b7be153cefa358d659646", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking smallvec v1.15.1
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking syn v2.0.105
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking tracing-fn v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stdout] warning: unused import: `std::sync::RwLock`
[INFO] [stdout]   --> examples/example.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::sync::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.11s
[INFO] running `Command { std: "docker" "inspect" "04ac06065343bf87ac62beb01bdd57c93831ab71188b7be153cefa358d659646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04ac06065343bf87ac62beb01bdd57c93831ab71188b7be153cefa358d659646", kill_on_drop: false }`
[INFO] [stdout] 04ac06065343bf87ac62beb01bdd57c93831ab71188b7be153cefa358d659646