[INFO] fetching crate smalltree 0.0.1...
[INFO] testing smalltree-0.0.1 against beta-2020-06-03 for beta-1.45-1
[INFO] extracting crate smalltree 0.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate smalltree 0.0.1 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 smalltree 0.0.1
[INFO] finished tweaking crates.io crate smalltree 0.0.1
[INFO] tweaked toml for crates.io crate smalltree 0.0.1 written to /workspace/builds/worker-6/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallgraph v0.0.7
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7cbbcc1558eff62333d6f3416adf6d5acdcfb7f890ec15f5944a154fd602f6e8
[INFO] running `"docker" "start" "-a" "7cbbcc1558eff62333d6f3416adf6d5acdcfb7f890ec15f5944a154fd602f6e8"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling smallvec v1.4.0
[INFO] [stderr]    Compiling smallgraph v0.0.7
[INFO] [stderr]    Compiling smalltree v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "7cbbcc1558eff62333d6f3416adf6d5acdcfb7f890ec15f5944a154fd602f6e8"`
[INFO] running `"docker" "rm" "-f" "7cbbcc1558eff62333d6f3416adf6d5acdcfb7f890ec15f5944a154fd602f6e8"`
[INFO] [stdout] 7cbbcc1558eff62333d6f3416adf6d5acdcfb7f890ec15f5944a154fd602f6e8
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 939a0eabba74fbe61a6b9f28bfbf1564538d3ec81fbc6612d6e4f11a5e2a23bb
[INFO] running `"docker" "start" "-a" "939a0eabba74fbe61a6b9f28bfbf1564538d3ec81fbc6612d6e4f11a5e2a23bb"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling smalltree v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `"docker" "inspect" "939a0eabba74fbe61a6b9f28bfbf1564538d3ec81fbc6612d6e4f11a5e2a23bb"`
[INFO] running `"docker" "rm" "-f" "939a0eabba74fbe61a6b9f28bfbf1564538d3ec81fbc6612d6e4f11a5e2a23bb"`
[INFO] [stdout] 939a0eabba74fbe61a6b9f28bfbf1564538d3ec81fbc6612d6e4f11a5e2a23bb
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 245e2c5e437f63be02944fae82ce0173fd417d96c594db70a1cbddfc0680cc0f
[INFO] running `"docker" "start" "-a" "245e2c5e437f63be02944fae82ce0173fd417d96c594db70a1cbddfc0680cc0f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/smalltree-28451d3d4d2e92de
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_basic_1 ... ok
[INFO] [stdout] test tests::test_basic_0 ... ok
[INFO] [stderr]    Doc-tests smalltree
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "245e2c5e437f63be02944fae82ce0173fd417d96c594db70a1cbddfc0680cc0f"`
[INFO] running `"docker" "rm" "-f" "245e2c5e437f63be02944fae82ce0173fd417d96c594db70a1cbddfc0680cc0f"`
[INFO] [stdout] 245e2c5e437f63be02944fae82ce0173fd417d96c594db70a1cbddfc0680cc0f