[INFO] fetching crate bp3d-tracing 1.0.0-alpha-2.0.0...
[INFO] checking bp3d-tracing-1.0.0-alpha-2.0.0 against try#a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399 for pr-145770
[INFO] extracting crate bp3d-tracing 1.0.0-alpha-2.0.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0
[INFO] finished tweaking crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0
[INFO] tweaked toml for crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate bp3d-tracing 1.0.0-alpha-2.0.0 on toolchain a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 205 packages to latest compatible versions
[INFO] [stderr]       Adding bincode v1.3.3 (available: v2.0.1)
[INFO] [stderr]       Adding dashmap v5.5.3 (available: v6.1.0)
[INFO] [stderr]       Adding time-tz v1.0.3 (available: v2.0.0)
[INFO] [stderr]       Adding zvariant_utils v1.0.1 (available: v1.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3f0be587f0b9e61a2b609e1a1c5b3c917ce38ec713e75b7b0ba3b547aee3d6ca
[INFO] running `Command { std: "docker" "start" "-a" "3f0be587f0b9e61a2b609e1a1c5b3c917ce38ec713e75b7b0ba3b547aee3d6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f0be587f0b9e61a2b609e1a1c5b3c917ce38ec713e75b7b0ba3b547aee3d6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f0be587f0b9e61a2b609e1a1c5b3c917ce38ec713e75b7b0ba3b547aee3d6ca", kill_on_drop: false }`
[INFO] [stdout] 3f0be587f0b9e61a2b609e1a1c5b3c917ce38ec713e75b7b0ba3b547aee3d6ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+a2a6e871b05c7b8ecc9a3c8a20db1f39e995e399" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a6a5db4ad7f6e0c9abc2ac633194f0daf25f20b553bdf0273b43df580358eeb
[INFO] running `Command { std: "docker" "start" "-a" "5a6a5db4ad7f6e0c9abc2ac633194f0daf25f20b553bdf0273b43df580358eeb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.175
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[INFO] [stderr]    Compiling bp3d-tracing v1.0.0-alpha-2.0.0 (/opt/rustwide/workdir)
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[INFO] [stderr]    Compiling phf_generator v0.11.3
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[INFO] [stderr]    Compiling zvariant_derive v3.15.2
[INFO] [stderr]    Compiling async-recursion v0.3.2
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[INFO] [stderr]    Compiling regex v1.11.2
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[INFO] [stderr]    Compiling serde_derive v1.0.219
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[INFO] [stderr]    Compiling enumflags2_derive v0.7.12
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[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling async-trait v0.1.89
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking enumflags2 v0.7.12
[INFO] [stderr]     Checking bincode v1.3.3
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[INFO] [stderr]    Compiling serde-xml-rs v0.5.1
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[INFO] [stderr]     Checking zbus_names v2.6.1
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[INFO] [stderr]     Checking bp3d-fs v1.1.0
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[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         if let Some(mut data) = lock.spans_by_id.get_mut(id) {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/core.rs:245:21
[INFO] [stdout]     |
[INFO] [stdout] 245 |         if let Some(mut data) = lock.spans_by_id.get_mut(id) {
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Guard(Option<Box<dyn Any>>);
[INFO] [stdout]    |            ----- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/lib.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Guard(Option<Box<dyn Any>>);
[INFO] [stdout]    |            ----- ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "5a6a5db4ad7f6e0c9abc2ac633194f0daf25f20b553bdf0273b43df580358eeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a6a5db4ad7f6e0c9abc2ac633194f0daf25f20b553bdf0273b43df580358eeb", kill_on_drop: false }`
[INFO] [stdout] 5a6a5db4ad7f6e0c9abc2ac633194f0daf25f20b553bdf0273b43df580358eeb
