[INFO] fetching crate nu-json 0.24.1...
[INFO] testing nu-json-0.24.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nu-json 0.24.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nu-json 0.24.1 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 nu-json 0.24.1
[INFO] finished tweaking crates.io crate nu-json 0.24.1
[INFO] tweaked toml for crates.io crate nu-json 0.24.1 written to /workspace/builds/worker-1/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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c6f654319818037f0f6a022e887e771e3414aaef41ea7e706de29616b47ca884
[INFO] running `Command { std: "docker" "start" "-a" "c6f654319818037f0f6a022e887e771e3414aaef41ea7e706de29616b47ca884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6f654319818037f0f6a022e887e771e3414aaef41ea7e706de29616b47ca884", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6f654319818037f0f6a022e887e771e3414aaef41ea7e706de29616b47ca884", kill_on_drop: false }`
[INFO] [stdout] c6f654319818037f0f6a022e887e771e3414aaef41ea7e706de29616b47ca884
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 08e900ddddd0534d8808841b444b47917a519f5e88487e9b2b45edf0081f9692
[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" "08e900ddddd0534d8808841b444b47917a519f5e88487e9b2b45edf0081f9692", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu-json v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "08e900ddddd0534d8808841b444b47917a519f5e88487e9b2b45edf0081f9692", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e900ddddd0534d8808841b444b47917a519f5e88487e9b2b45edf0081f9692", kill_on_drop: false }`
[INFO] [stdout] 08e900ddddd0534d8808841b444b47917a519f5e88487e9b2b45edf0081f9692
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 0d604ae70517b4732555e3fc99c8ccf5ecbb0eb9f0bba3251be2882f60efc3f0
[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" "0d604ae70517b4732555e3fc99c8ccf5ecbb0eb9f0bba3251be2882f60efc3f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu-json v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.08s
[INFO] running `Command { std: "docker" "inspect" "0d604ae70517b4732555e3fc99c8ccf5ecbb0eb9f0bba3251be2882f60efc3f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d604ae70517b4732555e3fc99c8ccf5ecbb0eb9f0bba3251be2882f60efc3f0", kill_on_drop: false }`
[INFO] [stdout] 0d604ae70517b4732555e3fc99c8ccf5ecbb0eb9f0bba3251be2882f60efc3f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e2d00ae0fea485df5cd1c99c8c13ea0989c2dbd43a37c71522f60f75c28f3d9
[INFO] running `Command { std: "docker" "start" "-a" "2e2d00ae0fea485df5cd1c99c8c13ea0989c2dbd43a37c71522f60f75c28f3d9", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nu_json-164f32cc5e9097ae
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests nu-json
[INFO] [stdout] running 1 test
[INFO] [stdout] test value::test::number_deserialize ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 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" "2e2d00ae0fea485df5cd1c99c8c13ea0989c2dbd43a37c71522f60f75c28f3d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e2d00ae0fea485df5cd1c99c8c13ea0989c2dbd43a37c71522f60f75c28f3d9", kill_on_drop: false }`
[INFO] [stdout] 2e2d00ae0fea485df5cd1c99c8c13ea0989c2dbd43a37c71522f60f75c28f3d9