[INFO] fetching crate opentracingrust 0.4.0...
[INFO] checking opentracingrust-0.4.0 against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490
[INFO] extracting crate opentracingrust 0.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate opentracingrust 0.4.0 on toolchain a5db378dc14a40dd1580c27fb8362156446382c3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate opentracingrust 0.4.0
[INFO] finished tweaking crates.io crate opentracingrust 0.4.0
[INFO] tweaked toml for crates.io crate opentracingrust 0.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate opentracingrust 0.4.0 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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce48e9a422504538c3824f88f407deb2f1e25d993057b0a7be3b97da4acd499f
[INFO] running `Command { std: "docker" "start" "-a" "ce48e9a422504538c3824f88f407deb2f1e25d993057b0a7be3b97da4acd499f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce48e9a422504538c3824f88f407deb2f1e25d993057b0a7be3b97da4acd499f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce48e9a422504538c3824f88f407deb2f1e25d993057b0a7be3b97da4acd499f", kill_on_drop: false }`
[INFO] [stdout] ce48e9a422504538c3824f88f407deb2f1e25d993057b0a7be3b97da4acd499f
[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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ff944ace4f10fa552d34db40d93fb24bbdbc067c79e6861f7084f2062469ca0a
[INFO] running `Command { std: "docker" "start" "-a" "ff944ace4f10fa552d34db40d93fb24bbdbc067c79e6861f7084f2062469ca0a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking opentracingrust v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `span_id` is never read
[INFO] [stdout]   --> src/tracers/noop.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct NoopTracerContext {
[INFO] [stdout]    |        ----------------- field in this struct
[INFO] [stdout] 93 |     trace_id: [u8; 16],
[INFO] [stdout] 94 |     span_id: u64
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NoopTracerContext` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/utils/global_tracer.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let tracer = GLOBAL_TRACER.as_ref()
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `span_id` is never read
[INFO] [stdout]   --> src/tracers/noop.rs:94:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | struct NoopTracerContext {
[INFO] [stdout]    |        ----------------- field in this struct
[INFO] [stdout] 93 |     trace_id: [u8; 16],
[INFO] [stdout] 94 |     span_id: u64
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NoopTracerContext` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static is discouraged
[INFO] [stdout]   --> src/utils/global_tracer.rs:70:26
[INFO] [stdout]    |
[INFO] [stdout] 70 |             let tracer = GLOBAL_TRACER.as_ref()
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[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: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "ff944ace4f10fa552d34db40d93fb24bbdbc067c79e6861f7084f2062469ca0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff944ace4f10fa552d34db40d93fb24bbdbc067c79e6861f7084f2062469ca0a", kill_on_drop: false }`
[INFO] [stdout] ff944ace4f10fa552d34db40d93fb24bbdbc067c79e6861f7084f2062469ca0a