[INFO] fetching crate nulltermarrayiter 0.1.1...
[INFO] testing nulltermarrayiter-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate nulltermarrayiter 0.1.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate nulltermarrayiter 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nulltermarrayiter 0.1.1
[INFO] finished tweaking crates.io crate nulltermarrayiter 0.1.1
[INFO] tweaked toml for crates.io crate nulltermarrayiter 0.1.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6656f854481d620a236a630ad12656199ab774d2c413c06d676d479b188a15f8
[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" "6656f854481d620a236a630ad12656199ab774d2c413c06d676d479b188a15f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6656f854481d620a236a630ad12656199ab774d2c413c06d676d479b188a15f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6656f854481d620a236a630ad12656199ab774d2c413c06d676d479b188a15f8", kill_on_drop: false }`
[INFO] [stdout] 6656f854481d620a236a630ad12656199ab774d2c413c06d676d479b188a15f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5db5a61923467ab6faaca17db7db4cd61917ae581408f3a3074de35625921be
[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" "a5db5a61923467ab6faaca17db7db4cd61917ae581408f3a3074de35625921be", kill_on_drop: false }`
[INFO] [stderr]    Compiling nulltermarrayiter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "a5db5a61923467ab6faaca17db7db4cd61917ae581408f3a3074de35625921be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5db5a61923467ab6faaca17db7db4cd61917ae581408f3a3074de35625921be", kill_on_drop: false }`
[INFO] [stdout] a5db5a61923467ab6faaca17db7db4cd61917ae581408f3a3074de35625921be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7fb1ea358146d071c23ffb643bb311d2ebda294f22d6927da3a2ca20157ee164
[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" "7fb1ea358146d071c23ffb643bb311d2ebda294f22d6927da3a2ca20157ee164", kill_on_drop: false }`
[INFO] [stderr]    Compiling nulltermarrayiter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "7fb1ea358146d071c23ffb643bb311d2ebda294f22d6927da3a2ca20157ee164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fb1ea358146d071c23ffb643bb311d2ebda294f22d6927da3a2ca20157ee164", kill_on_drop: false }`
[INFO] [stdout] 7fb1ea358146d071c23ffb643bb311d2ebda294f22d6927da3a2ca20157ee164
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+beta-2021-01-01" "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] 3456d92ae25f6f2f4b9e6c64ed5b7cebdf66dc23a031856aa1ddea492a5861a5
[INFO] running `Command { std: "docker" "start" "-a" "3456d92ae25f6f2f4b9e6c64ed5b7cebdf66dc23a031856aa1ddea492a5861a5", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] running 2 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nulltermarrayiter-a2c2bdc24c8eedff
[INFO] [stdout] test test_nulltermarray_strings ... ok
[INFO] [stderr]    Doc-tests nulltermarrayiter
[INFO] [stdout] test test_nulltermarray_string ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3456d92ae25f6f2f4b9e6c64ed5b7cebdf66dc23a031856aa1ddea492a5861a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3456d92ae25f6f2f4b9e6c64ed5b7cebdf66dc23a031856aa1ddea492a5861a5", kill_on_drop: false }`
[INFO] [stdout] 3456d92ae25f6f2f4b9e6c64ed5b7cebdf66dc23a031856aa1ddea492a5861a5