[INFO] crate slog-mozlog-json 0.1.0 is already in cache
[INFO] testing slog-mozlog-json-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate slog-mozlog-json 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate slog-mozlog-json 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate slog-mozlog-json 0.1.0
[INFO] finished tweaking crates.io crate slog-mozlog-json 0.1.0
[INFO] tweaked toml for crates.io crate slog-mozlog-json 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e02454c5de0f971cf56222d357ad465399b04a3067dd4536463ceffc3fd1800b
[INFO] running `"docker" "start" "-a" "e02454c5de0f971cf56222d357ad465399b04a3067dd4536463ceffc3fd1800b"`
[INFO] [stderr]    Compiling erased-serde v0.3.11
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling slog-mozlog-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.75s
[INFO] running `"docker" "inspect" "e02454c5de0f971cf56222d357ad465399b04a3067dd4536463ceffc3fd1800b"`
[INFO] running `"docker" "rm" "-f" "e02454c5de0f971cf56222d357ad465399b04a3067dd4536463ceffc3fd1800b"`
[INFO] [stdout] e02454c5de0f971cf56222d357ad465399b04a3067dd4536463ceffc3fd1800b
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a2123282ccae3ffb8c39e4d78546955648942dd94a615317e419268c89eed6f0
[INFO] running `"docker" "start" "-a" "a2123282ccae3ffb8c39e4d78546955648942dd94a615317e419268c89eed6f0"`
[INFO] [stderr]    Compiling slog-mozlog-json v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `"docker" "inspect" "a2123282ccae3ffb8c39e4d78546955648942dd94a615317e419268c89eed6f0"`
[INFO] running `"docker" "rm" "-f" "a2123282ccae3ffb8c39e4d78546955648942dd94a615317e419268c89eed6f0"`
[INFO] [stdout] a2123282ccae3ffb8c39e4d78546955648942dd94a615317e419268c89eed6f0
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 417ae1354f7b7191599f00af94d8760637070038b092c52b81ddac7ce2b798cd
[INFO] running `"docker" "start" "-a" "417ae1354f7b7191599f00af94d8760637070038b092c52b81ddac7ce2b798cd"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slog_mozlog_json-32f44bec94629c9b
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests slog-mozlog-json
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/drain.rs - drain (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "417ae1354f7b7191599f00af94d8760637070038b092c52b81ddac7ce2b798cd"`
[INFO] running `"docker" "rm" "-f" "417ae1354f7b7191599f00af94d8760637070038b092c52b81ddac7ce2b798cd"`
[INFO] [stdout] 417ae1354f7b7191599f00af94d8760637070038b092c52b81ddac7ce2b798cd