[INFO] fetching crate nu_plugin_tree 0.33.0...
[INFO] testing nu_plugin_tree-0.33.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate nu_plugin_tree 0.33.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nu_plugin_tree 0.33.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_tree 0.33.0
[INFO] finished tweaking crates.io crate nu_plugin_tree 0.33.0
[INFO] tweaked toml for crates.io crate nu_plugin_tree 0.33.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_tree 0.33.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8c2638f52b20a9ee10b151fcd01836d806c650577a82cba437e0cdcbefbac6a0
[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" "8c2638f52b20a9ee10b151fcd01836d806c650577a82cba437e0cdcbefbac6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c2638f52b20a9ee10b151fcd01836d806c650577a82cba437e0cdcbefbac6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c2638f52b20a9ee10b151fcd01836d806c650577a82cba437e0cdcbefbac6a0", kill_on_drop: false }`
[INFO] [stdout] 8c2638f52b20a9ee10b151fcd01836d806c650577a82cba437e0cdcbefbac6a0
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 45b073bfd0c76628515f8bec524f8d0af18471b82663d6f2ea24162b1ae048b4
[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" "45b073bfd0c76628515f8bec524f8d0af18471b82663d6f2ea24162b1ae048b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling byte-unit v4.0.12
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling nu-ansi-term v0.33.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling hamcrest2 v0.3.0
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling nu-source v0.33.0
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling bigdecimal v0.2.0
[INFO] [stderr]    Compiling nu-errors v0.33.0
[INFO] [stderr]    Compiling ptree v0.3.2
[INFO] [stderr]    Compiling nu-protocol v0.33.0
[INFO] [stderr]    Compiling nu-value-ext v0.33.0
[INFO] [stderr]    Compiling nu-test-support v0.33.0
[INFO] [stderr]    Compiling nu-plugin v0.33.0
[INFO] [stderr]    Compiling nu_plugin_tree v0.33.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 07s
[INFO] running `Command { std: "docker" "inspect" "45b073bfd0c76628515f8bec524f8d0af18471b82663d6f2ea24162b1ae048b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45b073bfd0c76628515f8bec524f8d0af18471b82663d6f2ea24162b1ae048b4", kill_on_drop: false }`
[INFO] [stdout] 45b073bfd0c76628515f8bec524f8d0af18471b82663d6f2ea24162b1ae048b4
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e31fe7eb40f6186cdf206fcedaa7452f6a941d41c1766652a618701dbde6bb4
[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" "2e31fe7eb40f6186cdf206fcedaa7452f6a941d41c1766652a618701dbde6bb4", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu_plugin_tree v0.33.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.15s
[INFO] running `Command { std: "docker" "inspect" "2e31fe7eb40f6186cdf206fcedaa7452f6a941d41c1766652a618701dbde6bb4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e31fe7eb40f6186cdf206fcedaa7452f6a941d41c1766652a618701dbde6bb4", kill_on_drop: false }`
[INFO] [stdout] 2e31fe7eb40f6186cdf206fcedaa7452f6a941d41c1766652a618701dbde6bb4
[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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2a4561f635d79cd25d5d805cfd40366a015cf5b1d3dc2c9b454e82a3f373e74f
[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" "2a4561f635d79cd25d5d805cfd40366a015cf5b1d3dc2c9b454e82a3f373e74f", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nu_plugin_tree-a6d61bbc3239a50d)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nu_plugin_tree-77e1d4dd6023c5b9)
[INFO] [stdout] test result: ok. 0 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" "2a4561f635d79cd25d5d805cfd40366a015cf5b1d3dc2c9b454e82a3f373e74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a4561f635d79cd25d5d805cfd40366a015cf5b1d3dc2c9b454e82a3f373e74f", kill_on_drop: false }`
[INFO] [stdout] 2a4561f635d79cd25d5d805cfd40366a015cf5b1d3dc2c9b454e82a3f373e74f