[INFO] fetching crate tracing-fn 0.1.0...
[INFO] checking tracing-fn-0.1.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate tracing-fn 0.1.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-fn 0.1.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7140a6ea17256aa461ffc603c70ea708147a21763e716c73be4c0d23c31bd862
[INFO] running `Command { std: "docker" "start" "-a" "7140a6ea17256aa461ffc603c70ea708147a21763e716c73be4c0d23c31bd862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7140a6ea17256aa461ffc603c70ea708147a21763e716c73be4c0d23c31bd862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7140a6ea17256aa461ffc603c70ea708147a21763e716c73be4c0d23c31bd862", kill_on_drop: false }`
[INFO] [stdout] 7140a6ea17256aa461ffc603c70ea708147a21763e716c73be4c0d23c31bd862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0eafb99fc32f4eb6a36ef90439fcc2db39247d89d3ccef25436f2d4475d338b7
[INFO] running `Command { std: "docker" "start" "-a" "0eafb99fc32f4eb6a36ef90439fcc2db39247d89d3ccef25436f2d4475d338b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking cfg-if v1.0.1
[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 tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.19
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking syn v2.0.105
[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 13.23s
[INFO] running `Command { std: "docker" "inspect" "0eafb99fc32f4eb6a36ef90439fcc2db39247d89d3ccef25436f2d4475d338b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0eafb99fc32f4eb6a36ef90439fcc2db39247d89d3ccef25436f2d4475d338b7", kill_on_drop: false }`
[INFO] [stdout] 0eafb99fc32f4eb6a36ef90439fcc2db39247d89d3ccef25436f2d4475d338b7