[INFO] crate k2so 2.1.0 is already in cache
[INFO] testing k2so-2.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate k2so 2.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate k2so 2.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate k2so 2.1.0
[INFO] finished tweaking crates.io crate k2so 2.1.0
[INFO] tweaked toml for crates.io crate k2so 2.1.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 6f1bd5c30640bcde88abbdd17820ffb5e166c2e3c6438deb6bff7208acf45ac7
[INFO] running `"docker" "start" "-a" "6f1bd5c30640bcde88abbdd17820ffb5e166c2e3c6438deb6bff7208acf45ac7"`
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling bitflags v0.7.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling clap v2.19.3
[INFO] [stderr]    Compiling k2so v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.02s
[INFO] running `"docker" "inspect" "6f1bd5c30640bcde88abbdd17820ffb5e166c2e3c6438deb6bff7208acf45ac7"`
[INFO] running `"docker" "rm" "-f" "6f1bd5c30640bcde88abbdd17820ffb5e166c2e3c6438deb6bff7208acf45ac7"`
[INFO] [stdout] 6f1bd5c30640bcde88abbdd17820ffb5e166c2e3c6438deb6bff7208acf45ac7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 002348444dfd595e233063dc461f9098ccccf17deb52a5c26c3044db5a1779bd
[INFO] running `"docker" "start" "-a" "002348444dfd595e233063dc461f9098ccccf17deb52a5c26c3044db5a1779bd"`
[INFO] [stderr]    Compiling k2so v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "002348444dfd595e233063dc461f9098ccccf17deb52a5c26c3044db5a1779bd"`
[INFO] running `"docker" "rm" "-f" "002348444dfd595e233063dc461f9098ccccf17deb52a5c26c3044db5a1779bd"`
[INFO] [stdout] 002348444dfd595e233063dc461f9098ccccf17deb52a5c26c3044db5a1779bd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] b87d3016836edba3f48d4b4531916268a33eeae9a01b0bb706c990776bca7d40
[INFO] running `"docker" "start" "-a" "b87d3016836edba3f48d4b4531916268a33eeae9a01b0bb706c990776bca7d40"`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/k2so-e241cb9430f87ef2
[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] running `"docker" "inspect" "b87d3016836edba3f48d4b4531916268a33eeae9a01b0bb706c990776bca7d40"`
[INFO] running `"docker" "rm" "-f" "b87d3016836edba3f48d4b4531916268a33eeae9a01b0bb706c990776bca7d40"`
[INFO] [stdout] b87d3016836edba3f48d4b4531916268a33eeae9a01b0bb706c990776bca7d40