[INFO] fetching crate tracing-layer-core 0.3.1...
[INFO] testing tracing-layer-core-0.3.1 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237
[INFO] extracting crate tracing-layer-core 0.3.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate tracing-layer-core 0.3.1
[INFO] finished tweaking crates.io crate tracing-layer-core 0.3.1
[INFO] tweaked toml for crates.io crate tracing-layer-core 0.3.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate tracing-layer-core 0.3.1 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tracing-layer-core 0.3.1 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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded debug_print v1.0.0
[INFO] [stderr]   Downloaded outref v0.5.1
[INFO] [stderr]   Downloaded lambda_runtime_api_client v0.10.0
[INFO] [stderr]   Downloaded aws-smithy-eventstream v0.60.4
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[INFO] [stderr]   Downloaded aws-types v1.2.0
[INFO] [stderr]   Downloaded aws-sigv4 v1.2.0
[INFO] [stderr]   Downloaded aws-sdk-sso v1.20.0
[INFO] [stderr]   Downloaded aws-smithy-types v1.1.8
[INFO] [stderr]   Downloaded aws-sdk-ssooidc v1.20.0
[INFO] [stderr]   Downloaded aws-smithy-runtime v1.3.1
[INFO] [stderr]   Downloaded aws-config v1.2.0
[INFO] [stderr]   Downloaded aws-sdk-sts v1.20.0
[INFO] [stderr]   Downloaded webpki-roots v0.26.1
[INFO] [stderr]   Downloaded aws-runtime v1.2.0
[INFO] [stderr]   Downloaded aws-smithy-runtime-api v1.4.0
[INFO] [stderr]   Downloaded hyper-rustls v0.26.0
[INFO] [stderr]   Downloaded aws-smithy-json v0.60.7
[INFO] [stderr]   Downloaded regex-lite v0.1.5
[INFO] [stderr]   Downloaded rustls v0.21.11
[INFO] [stderr]   Downloaded aws-credential-types v1.2.0
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[INFO] [stderr]   Downloaded aws-smithy-http v0.60.8
[INFO] [stderr]   Downloaded lambda-extension v0.10.0
[INFO] [stderr]   Downloaded aws-sdk-lambda v1.21.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 12fe61dea6740748d3d47b039c446ec739d4bb618f75eadd35d3242b8b3411b2
[INFO] running `Command { std: "docker" "start" "-a" "12fe61dea6740748d3d47b039c446ec739d4bb618f75eadd35d3242b8b3411b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "12fe61dea6740748d3d47b039c446ec739d4bb618f75eadd35d3242b8b3411b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12fe61dea6740748d3d47b039c446ec739d4bb618f75eadd35d3242b8b3411b2", kill_on_drop: false }`
[INFO] [stdout] 12fe61dea6740748d3d47b039c446ec739d4bb618f75eadd35d3242b8b3411b2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8424e4ba93f082155091900d84f643d46aa9d1d0d3fb927d460c5df269821f77
[INFO] running `Command { std: "docker" "start" "-a" "8424e4ba93f082155091900d84f643d46aa9d1d0d3fb927d460c5df269821f77", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling pin-project-lite v0.2.14
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling futures-core v0.3.30
[INFO] [stderr]    Compiling cc v1.0.95
[INFO] [stderr]    Compiling serde v1.0.198
[INFO] [stderr]    Compiling futures-task v0.3.30
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling rustls-pki-types v1.4.1
[INFO] [stderr]    Compiling socket2 v0.5.6
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling num_cpus v1.16.0
[INFO] [stderr]    Compiling getrandom v0.2.14
[INFO] [stderr]    Compiling rustls v0.22.4
[INFO] [stderr]    Compiling zeroize v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]    Compiling futures-util v0.3.30
[INFO] [stderr]    Compiling futures-channel v0.3.30
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling subtle v2.5.0
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.23
[INFO] [stderr]    Compiling http v1.1.0
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]    Compiling sharded-slab v0.1.7
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling thread_local v1.1.8
[INFO] [stderr]    Compiling base64 v0.22.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling tracing-log v0.1.4
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling idna v0.5.0
[INFO] [stderr]    Compiling webpki-roots v0.26.1
[INFO] [stderr]    Compiling gethostname v0.2.3
[INFO] [stderr]    Compiling encoding_rs v0.8.34
[INFO] [stderr]    Compiling ipnet v2.9.0
[INFO] [stderr]    Compiling debug_print v1.0.0
[INFO] [stderr]    Compiling rustls-pemfile v2.1.2
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]    Compiling http-body v1.0.0
[INFO] [stderr]    Compiling url v2.5.0
[INFO] [stderr]    Compiling http-body-util v0.1.1
[INFO] [stderr]    Compiling matchers v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling serde_derive v1.0.198
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling rustls-webpki v0.102.2
[INFO] [stderr]    Compiling tracing v0.1.40
[INFO] [stderr]    Compiling pin-project v1.1.5
[INFO] [stderr]    Compiling tracing-serde v0.1.3
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling tokio-util v0.7.10
[INFO] [stderr]    Compiling tower v0.4.13
[INFO] [stderr]    Compiling tokio-rustls v0.25.0
[INFO] [stderr]    Compiling async-compression v0.4.8
[INFO] [stderr]    Compiling h2 v0.4.4
[INFO] [stderr]    Compiling tracing-subscriber v0.3.18
[INFO] [stderr]    Compiling tracing-bunyan-formatter v0.3.9
[INFO] [stderr]    Compiling hyper v1.3.1
[INFO] [stderr]    Compiling hyper-util v0.1.3
[INFO] [stderr]    Compiling hyper-rustls v0.26.0
[INFO] [stderr]    Compiling reqwest v0.12.4
[INFO] [stderr]    Compiling tracing-layer-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 47.00s
[INFO] running `Command { std: "docker" "inspect" "8424e4ba93f082155091900d84f643d46aa9d1d0d3fb927d460c5df269821f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8424e4ba93f082155091900d84f643d46aa9d1d0d3fb927d460c5df269821f77", kill_on_drop: false }`
[INFO] [stdout] 8424e4ba93f082155091900d84f643d46aa9d1d0d3fb927d460c5df269821f77
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 76e3d8b4b4025267c1cc427ca4562817517341090d53a02f379e8555a86aca4c
[INFO] running `Command { std: "docker" "start" "-a" "76e3d8b4b4025267c1cc427ca4562817517341090d53a02f379e8555a86aca4c", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracing-layer-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "76e3d8b4b4025267c1cc427ca4562817517341090d53a02f379e8555a86aca4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76e3d8b4b4025267c1cc427ca4562817517341090d53a02f379e8555a86aca4c", kill_on_drop: false }`
[INFO] [stdout] 76e3d8b4b4025267c1cc427ca4562817517341090d53a02f379e8555a86aca4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 75a3898fb8696868a25f78b63968a19e87b2556cf164e656bb262cd8b029e7cd
[INFO] running `Command { std: "docker" "start" "-a" "75a3898fb8696868a25f78b63968a19e87b2556cf164e656bb262cd8b029e7cd", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tracing_layer_core-c1dde802a244a4ac)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "75a3898fb8696868a25f78b63968a19e87b2556cf164e656bb262cd8b029e7cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a3898fb8696868a25f78b63968a19e87b2556cf164e656bb262cd8b029e7cd", kill_on_drop: false }`
[INFO] [stdout] 75a3898fb8696868a25f78b63968a19e87b2556cf164e656bb262cd8b029e7cd