[INFO] fetching crate nu_plugin_tree 0.34.0...
[INFO] testing nu_plugin_tree-0.34.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate nu_plugin_tree 0.34.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate nu_plugin_tree 0.34.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_tree 0.34.0
[INFO] finished tweaking crates.io crate nu_plugin_tree 0.34.0
[INFO] tweaked toml for crates.io crate nu_plugin_tree 0.34.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_tree 0.34.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded directories v3.0.2
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] [stderr]   Downloaded ptree v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a30a53dea8028b1530da9cb05e986466c7761b5ea34c8d731918254a2209c426
[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" "a30a53dea8028b1530da9cb05e986466c7761b5ea34c8d731918254a2209c426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a30a53dea8028b1530da9cb05e986466c7761b5ea34c8d731918254a2209c426", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a30a53dea8028b1530da9cb05e986466c7761b5ea34c8d731918254a2209c426", kill_on_drop: false }`
[INFO] [stdout] a30a53dea8028b1530da9cb05e986466c7761b5ea34c8d731918254a2209c426
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9433b766109156ecffb57b74c76ca1b2819e25c42eac21c8d64084924f23b69a
[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" "9433b766109156ecffb57b74c76ca1b2819e25c42eac21c8d64084924f23b69a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling fixedbitset v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-complex v0.2.4
[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 pretty v0.5.2
[INFO] [stderr]    Compiling byte-unit v4.0.12
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling lexical-core v0.7.6
[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 rand_core v0.6.3
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling nu-ansi-term v0.34.0
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[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 nu-source v0.34.0
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[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 v0.34.0
[INFO] [stderr]    Compiling ptree v0.3.2
[INFO] [stderr]    Compiling nu-protocol v0.34.0
[INFO] [stderr]    Compiling nu-value-ext v0.34.0
[INFO] [stderr]    Compiling nu-test-support v0.34.0
[INFO] [stderr]    Compiling nu-plugin v0.34.0
[INFO] [stderr]    Compiling nu_plugin_tree v0.34.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `Command { std: "docker" "inspect" "9433b766109156ecffb57b74c76ca1b2819e25c42eac21c8d64084924f23b69a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9433b766109156ecffb57b74c76ca1b2819e25c42eac21c8d64084924f23b69a", kill_on_drop: false }`
[INFO] [stdout] 9433b766109156ecffb57b74c76ca1b2819e25c42eac21c8d64084924f23b69a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] 06999dcff04973b59eecd7c8bc9106f63a42fc9683681822230def2c01062c35
[INFO] running `Command { std: "docker" "start" "-a" "06999dcff04973b59eecd7c8bc9106f63a42fc9683681822230def2c01062c35", kill_on_drop: false }`
[INFO] [stderr]    Compiling nu_plugin_tree v0.34.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "06999dcff04973b59eecd7c8bc9106f63a42fc9683681822230def2c01062c35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06999dcff04973b59eecd7c8bc9106f63a42fc9683681822230def2c01062c35", kill_on_drop: false }`
[INFO] [stdout] 06999dcff04973b59eecd7c8bc9106f63a42fc9683681822230def2c01062c35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aff4dd54005fed80273606b5773936e750e116d3b18a8713ea0a53e70b65aa48
[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" "aff4dd54005fed80273606b5773936e750e116d3b18a8713ea0a53e70b65aa48", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nu_plugin_tree-b52d6f971d747112)
[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] [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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nu_plugin_tree-2516d9dc6fa9bcbb)
[INFO] running `Command { std: "docker" "inspect" "aff4dd54005fed80273606b5773936e750e116d3b18a8713ea0a53e70b65aa48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aff4dd54005fed80273606b5773936e750e116d3b18a8713ea0a53e70b65aa48", kill_on_drop: false }`
[INFO] [stdout] aff4dd54005fed80273606b5773936e750e116d3b18a8713ea0a53e70b65aa48