[INFO] fetching crate nu_plugin_tree 0.36.0...
[INFO] testing nu_plugin_tree-0.36.0 against 1.55.0 for beta-1.56-2
[INFO] extracting crate nu_plugin_tree 0.36.0 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate nu_plugin_tree 0.36.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_tree 0.36.0
[INFO] finished tweaking crates.io crate nu_plugin_tree 0.36.0
[INFO] tweaked toml for crates.io crate nu_plugin_tree 0.36.0 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_tree 0.36.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d809c5a45e64e262e69ba7997393fb9ebe950ec3feadbbdc7cdfe4299fd71c4c
[INFO] running `Command { std: "docker" "start" "-a" "d809c5a45e64e262e69ba7997393fb9ebe950ec3feadbbdc7cdfe4299fd71c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d809c5a45e64e262e69ba7997393fb9ebe950ec3feadbbdc7cdfe4299fd71c4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d809c5a45e64e262e69ba7997393fb9ebe950ec3feadbbdc7cdfe4299fd71c4c", kill_on_drop: false }`
[INFO] [stdout] d809c5a45e64e262e69ba7997393fb9ebe950ec3feadbbdc7cdfe4299fd71c4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a768170f5f25ba35fd6e3f92991e4b4319841b96333efaf5caf38c4921579ea
[INFO] running `Command { std: "docker" "start" "-a" "0a768170f5f25ba35fd6e3f92991e4b4319841b96333efaf5caf38c4921579ea", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling typed-arena v1.7.0
[INFO] [stderr]    Compiling overload v0.1.1
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling utf8-width v0.1.5
[INFO] [stderr]    Compiling serde v0.8.23
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling dunce v1.0.2
[INFO] [stderr]    Compiling rust-ini v0.13.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling num-bigint v0.3.2
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.129
[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 num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling byte-unit v4.0.12
[INFO] [stderr]    Compiling itertools v0.10.1
[INFO] [stderr]    Compiling pretty v0.5.2
[INFO] [stderr]    Compiling tint v1.0.1
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling nu-ansi-term v0.36.0
[INFO] [stderr]    Compiling serde_test v0.8.23
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling linked-hash-map v0.3.0
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling directories v3.0.2
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling hamcrest2 v0.3.0
[INFO] [stderr]    Compiling serde-hjson v0.9.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling nu-source v0.36.0
[INFO] [stderr]    Compiling codespan-reporting v0.11.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling serde_bytes v0.11.5
[INFO] [stderr]    Compiling serde-value v0.6.0
[INFO] [stderr]    Compiling serde_yaml v0.8.19
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling chrono-humanize v0.2.1
[INFO] [stderr]    Compiling config v0.10.1
[INFO] [stderr]    Compiling bigdecimal-rs v0.2.1
[INFO] [stderr]    Compiling nu-errors v0.36.0
[INFO] [stderr]    Compiling ptree v0.3.2
[INFO] [stderr]    Compiling nu-protocol v0.36.0
[INFO] [stderr]    Compiling nu-value-ext v0.36.0
[INFO] [stderr]    Compiling nu-test-support v0.36.0
[INFO] [stderr]    Compiling nu-plugin v0.36.0
[INFO] [stderr]    Compiling nu_plugin_tree v0.36.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "0a768170f5f25ba35fd6e3f92991e4b4319841b96333efaf5caf38c4921579ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a768170f5f25ba35fd6e3f92991e4b4319841b96333efaf5caf38c4921579ea", kill_on_drop: false }`
[INFO] [stdout] 0a768170f5f25ba35fd6e3f92991e4b4319841b96333efaf5caf38c4921579ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7639d9ab133293bba4697a8f4efafd9b1f51186873f13e99fe5707a1dc835d25
[INFO] running `Command { std: "docker" "start" "-a" "7639d9ab133293bba4697a8f4efafd9b1f51186873f13e99fe5707a1dc835d25", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling nu_plugin_tree v0.36.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.46s
[INFO] running `Command { std: "docker" "inspect" "7639d9ab133293bba4697a8f4efafd9b1f51186873f13e99fe5707a1dc835d25", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7639d9ab133293bba4697a8f4efafd9b1f51186873f13e99fe5707a1dc835d25", kill_on_drop: false }`
[INFO] [stdout] 7639d9ab133293bba4697a8f4efafd9b1f51186873f13e99fe5707a1dc835d25
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7b8a44aa4f92b3ebd538fc4ea1414a4edf5a3c07bed16d15cfaf00db90f2e190
[INFO] running `Command { std: "docker" "start" "-a" "7b8a44aa4f92b3ebd538fc4ea1414a4edf5a3c07bed16d15cfaf00db90f2e190", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nu_plugin_tree-29ff141d8b2c3472)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/nu_plugin_tree-70c107a9ce8664fe)
[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] running `Command { std: "docker" "inspect" "7b8a44aa4f92b3ebd538fc4ea1414a4edf5a3c07bed16d15cfaf00db90f2e190", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8a44aa4f92b3ebd538fc4ea1414a4edf5a3c07bed16d15cfaf00db90f2e190", kill_on_drop: false }`
[INFO] [stdout] 7b8a44aa4f92b3ebd538fc4ea1414a4edf5a3c07bed16d15cfaf00db90f2e190