[INFO] crate region_buffer 0.1.5 is already in cache
[INFO] testing region_buffer-0.1.5 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate region_buffer 0.1.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate region_buffer 0.1.5 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate region_buffer 0.1.5
[INFO] finished tweaking crates.io crate region_buffer 0.1.5
[INFO] tweaked toml for crates.io crate region_buffer 0.1.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 060f23eb74a7d6b6973b968fbccfbb585b41d1270ebe847a7d08ad493b4ee652
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "060f23eb74a7d6b6973b968fbccfbb585b41d1270ebe847a7d08ad493b4ee652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "060f23eb74a7d6b6973b968fbccfbb585b41d1270ebe847a7d08ad493b4ee652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060f23eb74a7d6b6973b968fbccfbb585b41d1270ebe847a7d08ad493b4ee652", kill_on_drop: false }`
[INFO] [stdout] 060f23eb74a7d6b6973b968fbccfbb585b41d1270ebe847a7d08ad493b4ee652
[INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30aff107c6c555736cde181bd2379de247de5384c392a19609171ec4522e1503
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "30aff107c6c555736cde181bd2379de247de5384c392a19609171ec4522e1503", kill_on_drop: false }`
[INFO] [stderr]    Compiling region_buffer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.75s
[INFO] running `Command { std: "docker" "inspect" "30aff107c6c555736cde181bd2379de247de5384c392a19609171ec4522e1503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30aff107c6c555736cde181bd2379de247de5384c392a19609171ec4522e1503", kill_on_drop: false }`
[INFO] [stdout] 30aff107c6c555736cde181bd2379de247de5384c392a19609171ec4522e1503
[INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73035c82f69a8149c467b29a8627d9fdd0fbc978e9863900887ba3696312d04f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "73035c82f69a8149c467b29a8627d9fdd0fbc978e9863900887ba3696312d04f", kill_on_drop: false }`
[INFO] [stderr]    Compiling region_buffer v0.1.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.32s
[INFO] running `Command { std: "docker" "inspect" "73035c82f69a8149c467b29a8627d9fdd0fbc978e9863900887ba3696312d04f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73035c82f69a8149c467b29a8627d9fdd0fbc978e9863900887ba3696312d04f", kill_on_drop: false }`
[INFO] [stdout] 73035c82f69a8149c467b29a8627d9fdd0fbc978e9863900887ba3696312d04f
[INFO] running `Command { std: "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=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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 615ec73a13053b04eb01eef6b99733e3e993d2a95ee4d491c880d59e03977910
[INFO] running `Command { std: "docker" "start" "-a" "615ec73a13053b04eb01eef6b99733e3e993d2a95ee4d491c880d59e03977910", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/region_buffer-a3f6e4caaf02e92f
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test tests::truncate ... ok
[INFO] [stdout] test tests::basic_use ... ok
[INFO] [stdout] test tests::dropped_region ... ok
[INFO] [stdout] test tests::starts_in_overlap ... ok
[INFO] [stdout] test tests::truncate_into_borrowed ... ok
[INFO] [stdout] test tests::completely_overlaps ... ok
[INFO] [stdout] test tests::ends_in_overlap ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests region_buffer
[INFO] [stdout] 
[INFO] [stdout] running 5 tests
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] test src/lib.rs - region_buffer (line 90) ... ok
[INFO] [stdout] test src/lib.rs - (line 53) ... ok
[INFO] [stdout] test src/lib.rs - (line 31) ... ok
[INFO] [stdout] test src/lib.rs - region_buffer (line 101) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "615ec73a13053b04eb01eef6b99733e3e993d2a95ee4d491c880d59e03977910", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "615ec73a13053b04eb01eef6b99733e3e993d2a95ee4d491c880d59e03977910", kill_on_drop: false }`
[INFO] [stdout] 615ec73a13053b04eb01eef6b99733e3e993d2a95ee4d491c880d59e03977910