[INFO] fetching crate tracing-logstash 0.7.0...
[INFO] testing tracing-logstash-0.7.0 against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940
[INFO] extracting crate tracing-logstash 0.7.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate tracing-logstash 0.7.0 on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tracing-logstash 0.7.0
[INFO] finished tweaking crates.io crate tracing-logstash 0.7.0
[INFO] tweaked toml for crates.io crate tracing-logstash 0.7.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 26 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8730ccf831f7592c8187290ab76744e59356aea5fa99c447b7032af8027b644
[INFO] running `Command { std: "docker" "start" "-a" "d8730ccf831f7592c8187290ab76744e59356aea5fa99c447b7032af8027b644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8730ccf831f7592c8187290ab76744e59356aea5fa99c447b7032af8027b644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8730ccf831f7592c8187290ab76744e59356aea5fa99c447b7032af8027b644", kill_on_drop: false }`
[INFO] [stdout] d8730ccf831f7592c8187290ab76744e59356aea5fa99c447b7032af8027b644
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab77d8f6fab7a679529ea031d48d5f1611d378fe88eaf697bcd06cb48b53b51a
[INFO] running `Command { std: "docker" "start" "-a" "ab77d8f6fab7a679529ea031d48d5f1611d378fe88eaf697bcd06cb48b53b51a", kill_on_drop: false }`
[INFO] [stderr]    Compiling once_cell v1.21.1
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling time-core v0.1.3
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling memchr v2.7.4
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling tracing-core v0.1.33
[INFO] [stderr]    Compiling tracing-subscriber v0.3.19
[INFO] [stderr]    Compiling time v0.3.39
[INFO] [stderr]    Compiling tracing-logstash v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `record_event` is never used
[INFO] [stdout]  --> src/event_recorder.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub trait EventRecorder {
[INFO] [stdout]   |           ------------- method in this trait
[INFO] [stdout] 7 |     fn record_event(&mut self, event: &Event<'_>);
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "ab77d8f6fab7a679529ea031d48d5f1611d378fe88eaf697bcd06cb48b53b51a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab77d8f6fab7a679529ea031d48d5f1611d378fe88eaf697bcd06cb48b53b51a", kill_on_drop: false }`
[INFO] [stdout] ab77d8f6fab7a679529ea031d48d5f1611d378fe88eaf697bcd06cb48b53b51a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8db879e79b1bdfc5b40b3c884087add9927e5a2b9cd7c4527d96db559c35d6df
[INFO] running `Command { std: "docker" "start" "-a" "8db879e79b1bdfc5b40b3c884087add9927e5a2b9cd7c4527d96db559c35d6df", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling time-macros v0.2.20
[INFO] [stderr]    Compiling pin-project-lite v0.2.16
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling time v0.3.39
[INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmeta0DKGU7"
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `syn` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "8db879e79b1bdfc5b40b3c884087add9927e5a2b9cd7c4527d96db559c35d6df", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8db879e79b1bdfc5b40b3c884087add9927e5a2b9cd7c4527d96db559c35d6df", kill_on_drop: false }`
[INFO] [stdout] 8db879e79b1bdfc5b40b3c884087add9927e5a2b9cd7c4527d96db559c35d6df