[INFO] fetching crate failure_ext 0.1.2...
[INFO] testing failure_ext-0.1.2 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate failure_ext 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate failure_ext 0.1.2 on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate failure_ext 0.1.2
[INFO] finished tweaking crates.io crate failure_ext 0.1.2
[INFO] tweaked toml for crates.io crate failure_ext 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] 221c06283d1405cde125bca6a06d84a4e91f2ae8278c3fdcca632e13f2205d50
[INFO] running `"docker" "start" "-a" "221c06283d1405cde125bca6a06d84a4e91f2ae8278c3fdcca632e13f2205d50"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling failure_ext v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.83s
[INFO] running `"docker" "inspect" "221c06283d1405cde125bca6a06d84a4e91f2ae8278c3fdcca632e13f2205d50"`
[INFO] running `"docker" "rm" "-f" "221c06283d1405cde125bca6a06d84a4e91f2ae8278c3fdcca632e13f2205d50"`
[INFO] [stdout] 221c06283d1405cde125bca6a06d84a4e91f2ae8278c3fdcca632e13f2205d50
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] 4e466cc637f556680bdb825bc25d8f6f65fb435e1e4d6bfeb1b8cf25c95c0da5
[INFO] running `"docker" "start" "-a" "4e466cc637f556680bdb825bc25d8f6f65fb435e1e4d6bfeb1b8cf25c95c0da5"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling failure_ext v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `"docker" "inspect" "4e466cc637f556680bdb825bc25d8f6f65fb435e1e4d6bfeb1b8cf25c95c0da5"`
[INFO] running `"docker" "rm" "-f" "4e466cc637f556680bdb825bc25d8f6f65fb435e1e4d6bfeb1b8cf25c95c0da5"`
[INFO] [stdout] 4e466cc637f556680bdb825bc25d8f6f65fb435e1e4d6bfeb1b8cf25c95c0da5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+beta-2020-06-03" "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] d3412195d57a517cebaec3ca7acad82f4730b2ca5e688a0d22ec990bd2a19612
[INFO] running `"docker" "start" "-a" "d3412195d57a517cebaec3ca7acad82f4730b2ca5e688a0d22ec990bd2a19612"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/failure_ext-386f994b63338063
[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 failure_ext
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/option_ext.rs - option_ext::OptionExt::ok_or_context (line 10) ... 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" "d3412195d57a517cebaec3ca7acad82f4730b2ca5e688a0d22ec990bd2a19612"`
[INFO] running `"docker" "rm" "-f" "d3412195d57a517cebaec3ca7acad82f4730b2ca5e688a0d22ec990bd2a19612"`
[INFO] [stdout] d3412195d57a517cebaec3ca7acad82f4730b2ca5e688a0d22ec990bd2a19612