[INFO] fetching crate nu_plugin_start 0.24.1...
[INFO] testing nu_plugin_start-0.24.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nu_plugin_start 0.24.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate nu_plugin_start 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_plugin_start 0.24.1
[INFO] finished tweaking crates.io crate nu_plugin_start 0.24.1
[INFO] tweaked toml for crates.io crate nu_plugin_start 0.24.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_start 0.24.1 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] fc56764b691dd04a38668f4799f36d483fef078a5d6a59cee954ca47ee44e049
[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" "fc56764b691dd04a38668f4799f36d483fef078a5d6a59cee954ca47ee44e049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc56764b691dd04a38668f4799f36d483fef078a5d6a59cee954ca47ee44e049", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc56764b691dd04a38668f4799f36d483fef078a5d6a59cee954ca47ee44e049", kill_on_drop: false }`
[INFO] [stdout] fc56764b691dd04a38668f4799f36d483fef078a5d6a59cee954ca47ee44e049
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ae1976f786bef848b669afe0f7cdd5510ffb7f987360c24778d129745ea6b659
[INFO] running `Command { std: "docker" "start" "-a" "ae1976f786bef848b669afe0f7cdd5510ffb7f987360c24778d129745ea6b659", kill_on_drop: false }`
[INFO] [stderr]    Compiling open v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling nu-errors v0.24.1
[INFO] [stderr]    Compiling nu-protocol v0.24.1
[INFO] [stderr]    Compiling nu-value-ext v0.24.1
[INFO] [stderr]    Compiling nu-test-support v0.24.1
[INFO] [stderr]    Compiling nu-plugin v0.24.1
[INFO] [stderr]    Compiling nu_plugin_start v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.68s
[INFO] running `Command { std: "docker" "inspect" "ae1976f786bef848b669afe0f7cdd5510ffb7f987360c24778d129745ea6b659", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1976f786bef848b669afe0f7cdd5510ffb7f987360c24778d129745ea6b659", kill_on_drop: false }`
[INFO] [stdout] ae1976f786bef848b669afe0f7cdd5510ffb7f987360c24778d129745ea6b659
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 4b7344d3dd2ccb2bbec93334ba6587d9a164d8aca47f4833eeaf1a27dd7a7fec
[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" "4b7344d3dd2ccb2bbec93334ba6587d9a164d8aca47f4833eeaf1a27dd7a7fec", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu_plugin_start v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "4b7344d3dd2ccb2bbec93334ba6587d9a164d8aca47f4833eeaf1a27dd7a7fec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b7344d3dd2ccb2bbec93334ba6587d9a164d8aca47f4833eeaf1a27dd7a7fec", kill_on_drop: false }`
[INFO] [stdout] 4b7344d3dd2ccb2bbec93334ba6587d9a164d8aca47f4833eeaf1a27dd7a7fec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 97bddc1545f7bb05eb2fdea5a67ce0be6b65c49c74bd33d1b57aac721b16ee6e
[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" "97bddc1545f7bb05eb2fdea5a67ce0be6b65c49c74bd33d1b57aac721b16ee6e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nu_plugin_start-1ec802fa412523fa
[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] [stderr]      Running /opt/rustwide/target/debug/deps/nu_plugin_start-00559d8f4f227116
[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" "97bddc1545f7bb05eb2fdea5a67ce0be6b65c49c74bd33d1b57aac721b16ee6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97bddc1545f7bb05eb2fdea5a67ce0be6b65c49c74bd33d1b57aac721b16ee6e", kill_on_drop: false }`
[INFO] [stdout] 97bddc1545f7bb05eb2fdea5a67ce0be6b65c49c74bd33d1b57aac721b16ee6e