[INFO] fetching crate tracing-actions 0.3.1...
[INFO] building tracing-actions-0.3.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate tracing-actions 0.3.1 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate tracing-actions 0.3.1
[INFO] finished tweaking crates.io crate tracing-actions 0.3.1
[INFO] tweaked toml for crates.io crate tracing-actions 0.3.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-actions 0.3.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 120 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.4.0 (available: v0.7.0)
[INFO] [stderr]       Adding env_logger v0.10.2 (available: v0.11.8)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fe905ba34250affb97bfe76e3a84e41ae3b87af8d9116d3e4d13e578a8b56e4
[INFO] running `Command { std: "docker" "start" "-a" "0fe905ba34250affb97bfe76e3a84e41ae3b87af8d9116d3e4d13e578a8b56e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fe905ba34250affb97bfe76e3a84e41ae3b87af8d9116d3e4d13e578a8b56e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fe905ba34250affb97bfe76e3a84e41ae3b87af8d9116d3e4d13e578a8b56e4", kill_on_drop: false }`
[INFO] [stdout] 0fe905ba34250affb97bfe76e3a84e41ae3b87af8d9116d3e4d13e578a8b56e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a626567c14d595f74e96c00383d34414e7735b7d4b0940ba284ff35003a8d139
[INFO] running `Command { std: "docker" "start" "-a" "a626567c14d595f74e96c00383d34414e7735b7d4b0940ba284ff35003a8d139", kill_on_drop: false }`
[INFO] [stderr]    Compiling thread_local v1.1.9
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling tracing v0.1.41
[INFO] [stderr]    Compiling tracing-actions v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/action_trace_subscriber.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut active_span = self
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.81s
[INFO] running `Command { std: "docker" "inspect" "a626567c14d595f74e96c00383d34414e7735b7d4b0940ba284ff35003a8d139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a626567c14d595f74e96c00383d34414e7735b7d4b0940ba284ff35003a8d139", kill_on_drop: false }`
[INFO] [stdout] a626567c14d595f74e96c00383d34414e7735b7d4b0940ba284ff35003a8d139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63af6d3326a60c8a8d17646491717b38d8938adbbc910c3ddf6b3b256cff36f6
[INFO] running `Command { std: "docker" "start" "-a" "63af6d3326a60c8a8d17646491717b38d8938adbbc910c3ddf6b3b256cff36f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling half v2.6.0
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling textwrap v0.16.2
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling mio v1.0.4
[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling is-terminal v0.4.16
[INFO] [stderr]    Compiling socket2 v0.6.0
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/action_trace_subscriber.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut active_span = self
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling env_logger v0.10.2
[INFO] [stderr]    Compiling clap_lex v0.2.4
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling tokio v1.47.1
[INFO] [stderr]    Compiling clap v3.2.25
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling tinytemplate v1.2.1
[INFO] [stderr]    Compiling criterion v0.4.0
[INFO] [stderr]    Compiling tracing-actions v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/action_trace_subscriber.rs:161:13
[INFO] [stdout]     |
[INFO] [stdout] 161 |         let mut active_span = self
[INFO] [stdout]     |             ----^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 22.44s
[INFO] running `Command { std: "docker" "inspect" "63af6d3326a60c8a8d17646491717b38d8938adbbc910c3ddf6b3b256cff36f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63af6d3326a60c8a8d17646491717b38d8938adbbc910c3ddf6b3b256cff36f6", kill_on_drop: false }`
[INFO] [stdout] 63af6d3326a60c8a8d17646491717b38d8938adbbc910c3ddf6b3b256cff36f6