[INFO] fetching crate jerk-build 0.2.1...
[INFO] testing jerk-build-0.2.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate jerk-build 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jerk-build 0.2.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jerk-build 0.2.1
[INFO] finished tweaking crates.io crate jerk-build 0.2.1
[INFO] tweaked toml for crates.io crate jerk-build 0.2.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86308c029d9f1932a594fcf5d2b06bae69c46674cdb044b48e3c362423d9ee2a
[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" "86308c029d9f1932a594fcf5d2b06bae69c46674cdb044b48e3c362423d9ee2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86308c029d9f1932a594fcf5d2b06bae69c46674cdb044b48e3c362423d9ee2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86308c029d9f1932a594fcf5d2b06bae69c46674cdb044b48e3c362423d9ee2a", kill_on_drop: false }`
[INFO] [stdout] 86308c029d9f1932a594fcf5d2b06bae69c46674cdb044b48e3c362423d9ee2a
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d185d11b47a1d898dc0668262699cbf013d050bc101c9b1c49686b1caf4666
[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" "e3d185d11b47a1d898dc0668262699cbf013d050bc101c9b1c49686b1caf4666", kill_on_drop: false }`
[INFO] [stderr]    Compiling jni-sys v0.3.0
[INFO] [stderr]    Compiling jerk v0.2.1
[INFO] [stderr]    Compiling jerk-build v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.09s
[INFO] running `Command { std: "docker" "inspect" "e3d185d11b47a1d898dc0668262699cbf013d050bc101c9b1c49686b1caf4666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d185d11b47a1d898dc0668262699cbf013d050bc101c9b1c49686b1caf4666", kill_on_drop: false }`
[INFO] [stdout] e3d185d11b47a1d898dc0668262699cbf013d050bc101c9b1c49686b1caf4666
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 082b327fa07a7785725ff3f2db024d3e78cc4900e85ffbe3ae92a50ff26cc867
[INFO] running `Command { std: "docker" "start" "-a" "082b327fa07a7785725ff3f2db024d3e78cc4900e85ffbe3ae92a50ff26cc867", kill_on_drop: false }`
[INFO] [stderr]    Compiling jerk-build v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "082b327fa07a7785725ff3f2db024d3e78cc4900e85ffbe3ae92a50ff26cc867", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "082b327fa07a7785725ff3f2db024d3e78cc4900e85ffbe3ae92a50ff26cc867", kill_on_drop: false }`
[INFO] [stdout] 082b327fa07a7785725ff3f2db024d3e78cc4900e85ffbe3ae92a50ff26cc867
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c8fb0b9f436ebb068e13c0258e90d524d0a4a12699f328c5a1d0a56a02279745
[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" "c8fb0b9f436ebb068e13c0258e90d524d0a4a12699f328c5a1d0a56a02279745", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jerk_build-975b7336a700bcdc
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jerk-build
[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] [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 `Command { std: "docker" "inspect" "c8fb0b9f436ebb068e13c0258e90d524d0a4a12699f328c5a1d0a56a02279745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8fb0b9f436ebb068e13c0258e90d524d0a4a12699f328c5a1d0a56a02279745", kill_on_drop: false }`
[INFO] [stdout] c8fb0b9f436ebb068e13c0258e90d524d0a4a12699f328c5a1d0a56a02279745