[INFO] fetching crate nu_plugin_sys 0.24.1...
[INFO] testing nu_plugin_sys-0.24.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate nu_plugin_sys 0.24.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate nu_plugin_sys 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_sys 0.24.1
[INFO] finished tweaking crates.io crate nu_plugin_sys 0.24.1
[INFO] tweaked toml for crates.io crate nu_plugin_sys 0.24.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_sys 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] f5f8e406299d5241cc6969eb8eda583f289316707a8782273e56a1dec9166ade
[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" "f5f8e406299d5241cc6969eb8eda583f289316707a8782273e56a1dec9166ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f5f8e406299d5241cc6969eb8eda583f289316707a8782273e56a1dec9166ade", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f8e406299d5241cc6969eb8eda583f289316707a8782273e56a1dec9166ade", kill_on_drop: false }`
[INFO] [stdout] f5f8e406299d5241cc6969eb8eda583f289316707a8782273e56a1dec9166ade
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 4a3762d1d459c9bc29a0bc2da91fc8f4d12c54dcaca0c0ed593f0453a3795bd3
[INFO] running `Command { std: "docker" "start" "-a" "4a3762d1d459c9bc29a0bc2da91fc8f4d12c54dcaca0c0ed593f0453a3795bd3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]    Compiling futures-timer v3.0.2
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling utf8-width v0.1.4
[INFO] [stderr]    Compiling platforms v1.0.3
[INFO] [stderr]    Compiling heim-host v0.1.0-rc.1
[INFO] [stderr]    Compiling macaddr v1.0.1
[INFO] [stderr]    Compiling battery v0.7.8
[INFO] [stderr]    Compiling dunce v1.0.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]    Compiling indexmap v1.6.1
[INFO] [stderr]    Compiling futures-channel v0.3.8
[INFO] [stderr]    Compiling async-lock v2.3.0
[INFO] [stderr]    Compiling byte-unit v4.0.9
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling futures-lite v1.11.2
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling async-executor v1.4.0
[INFO] [stderr]    Compiling uom v0.30.0
[INFO] [stderr]    Compiling async-fs v1.5.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling nb-connect v1.0.2
[INFO] [stderr]    Compiling polling v2.0.2
[INFO] [stderr]    Compiling signal-hook-registry v1.2.2
[INFO] [stderr]    Compiling nix v0.19.1
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling async-io v1.3.1
[INFO] [stderr]    Compiling signal-hook v0.1.16
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling async-net v1.5.0
[INFO] [stderr]    Compiling async-process v1.0.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling smol v1.2.5
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]    Compiling pin-project v1.0.2
[INFO] [stderr]    Compiling futures-util v0.3.8
[INFO] [stderr]    Compiling futures-executor v0.3.8
[INFO] [stderr]    Compiling futures v0.3.8
[INFO] [stderr]    Compiling heim-runtime v0.1.0-rc.1
[INFO] [stderr]    Compiling nu-source v0.24.1
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling codespan-reporting v0.9.5
[INFO] [stderr]    Compiling toml v0.5.7
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling bigdecimal v0.2.0
[INFO] [stderr]    Compiling nu-errors v0.24.1
[INFO] [stderr]    Compiling nu-protocol v0.24.1
[INFO] [stderr]    Compiling heim-sensors v0.1.0-rc.1
[INFO] [stderr]    Compiling heim-net v0.1.0-rc.1
[INFO] [stderr]    Compiling heim-memory v0.1.0-rc.1
[INFO] [stderr]    Compiling heim-cpu v0.1.0-rc.1
[INFO] [stderr]    Compiling heim-disk v0.1.0-rc.1
[INFO] [stderr]    Compiling heim v0.1.0-rc.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_sys v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 38s
[INFO] running `Command { std: "docker" "inspect" "4a3762d1d459c9bc29a0bc2da91fc8f4d12c54dcaca0c0ed593f0453a3795bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3762d1d459c9bc29a0bc2da91fc8f4d12c54dcaca0c0ed593f0453a3795bd3", kill_on_drop: false }`
[INFO] [stdout] 4a3762d1d459c9bc29a0bc2da91fc8f4d12c54dcaca0c0ed593f0453a3795bd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 468b8595ceecdf69050d4b3c3b73e7150fe8fc94fbdfab17b53f12a48db4f6da
[INFO] running `Command { std: "docker" "start" "-a" "468b8595ceecdf69050d4b3c3b73e7150fe8fc94fbdfab17b53f12a48db4f6da", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu_plugin_sys v0.24.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.93s
[INFO] running `Command { std: "docker" "inspect" "468b8595ceecdf69050d4b3c3b73e7150fe8fc94fbdfab17b53f12a48db4f6da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "468b8595ceecdf69050d4b3c3b73e7150fe8fc94fbdfab17b53f12a48db4f6da", kill_on_drop: false }`
[INFO] [stdout] 468b8595ceecdf69050d4b3c3b73e7150fe8fc94fbdfab17b53f12a48db4f6da
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] b7e55ef7d4af98e02c790f3ca4fdf0295124e3a543c0b9747bb0a65e8a1a4cf2
[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" "b7e55ef7d4af98e02c790f3ca4fdf0295124e3a543c0b9747bb0a65e8a1a4cf2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/nu_plugin_sys-b01a570f45c0e605
[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_sys-13d8dd29ca3563da
[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" "b7e55ef7d4af98e02c790f3ca4fdf0295124e3a543c0b9747bb0a65e8a1a4cf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7e55ef7d4af98e02c790f3ca4fdf0295124e3a543c0b9747bb0a65e8a1a4cf2", kill_on_drop: false }`
[INFO] [stdout] b7e55ef7d4af98e02c790f3ca4fdf0295124e3a543c0b9747bb0a65e8a1a4cf2