[INFO] fetching crate chrometracer 0.1.1...
[INFO] checking chrometracer-0.1.1 against try#012cd62c9add58ab3910e44c137d87db3ab70f61 for pr-155915
[INFO] extracting crate chrometracer 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate chrometracer 0.1.1
[INFO] finished tweaking crates.io crate chrometracer 0.1.1
[INFO] tweaked toml for crates.io crate chrometracer 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate chrometracer 0.1.1 on toolchain 012cd62c9add58ab3910e44c137d87db3ab70f61
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "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" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 69 packages to latest compatible versions
[INFO] [stderr]       Adding derive_builder v0.11.2 (available: v0.20.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31e7e873b9a26b80ca0357e661a31852f0055202f3fae4723f76a55ee52d96d0
[INFO] running `Command { std: "docker" "start" "-a" "31e7e873b9a26b80ca0357e661a31852f0055202f3fae4723f76a55ee52d96d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31e7e873b9a26b80ca0357e661a31852f0055202f3fae4723f76a55ee52d96d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31e7e873b9a26b80ca0357e661a31852f0055202f3fae4723f76a55ee52d96d0", kill_on_drop: false }`
[INFO] [stdout] 31e7e873b9a26b80ca0357e661a31852f0055202f3fae4723f76a55ee52d96d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+012cd62c9add58ab3910e44c137d87db3ab70f61" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1abbd166b81b98337a88f08414fdef97a43e70a60e6bd104dc205e11ab39d00e
[INFO] running `Command { std: "docker" "start" "-a" "1abbd166b81b98337a88f08414fdef97a43e70a60e6bd104dc205e11ab39d00e", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.13.2
[INFO] [stderr]     Checking regex-automata v0.4.14
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]     Checking tracing v0.1.44
[INFO] [stderr]     Checking tokio v1.52.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking matchers v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.23
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]    Compiling darling_core v0.14.4
[INFO] [stderr]    Compiling strum_macros v0.22.0
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling chrometracer-attributes v0.1.1
[INFO] [stderr]     Checking strum v0.22.0
[INFO] [stderr]    Compiling darling_macro v0.14.4
[INFO] [stderr]    Compiling darling v0.14.4
[INFO] [stderr]    Compiling derive_builder_core v0.11.2
[INFO] [stderr]    Compiling derive_builder_macro v0.11.2
[INFO] [stderr]     Checking derive_builder v0.11.2
[INFO] [stderr]     Checking tracing-chrometrace v0.1.19
[INFO] [stderr]     Checking chrometracer v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/tracer.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |             if unsafe { GLOBAL.is_some() } {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/tracer.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |             *tracer = unsafe { GLOBAL.clone() };
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/tracer.rs:50:25
[INFO] [stdout]    |
[INFO] [stdout] 50 |             if unsafe { GLOBAL.is_some() } {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/tracer.rs:114:32
[INFO] [stdout]     |
[INFO] [stdout] 114 |             *tracer = unsafe { GLOBAL.clone() };
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.86s
[INFO] running `Command { std: "docker" "inspect" "1abbd166b81b98337a88f08414fdef97a43e70a60e6bd104dc205e11ab39d00e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1abbd166b81b98337a88f08414fdef97a43e70a60e6bd104dc205e11ab39d00e", kill_on_drop: false }`
[INFO] [stdout] 1abbd166b81b98337a88f08414fdef97a43e70a60e6bd104dc205e11ab39d00e
