[INFO] fetching crate nu_plugin_tree 0.22.0...
[INFO] checking nu_plugin_tree-0.22.0 against beta for pr-78714
[INFO] extracting crate nu_plugin_tree 0.22.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nu_plugin_tree 0.22.0 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu_plugin_tree 0.22.0
[INFO] finished tweaking crates.io crate nu_plugin_tree 0.22.0
[INFO] tweaked toml for crates.io crate nu_plugin_tree 0.22.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate nu_plugin_tree 0.22.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tint v1.0.1
[INFO] [stderr]   Downloaded ptree v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 095f92ad8067292f376a46603a3f009eed8b82f61ac0a3aebc45e1241f5cc2bb
[INFO] running `Command { std: "docker" "start" "-a" "095f92ad8067292f376a46603a3f009eed8b82f61ac0a3aebc45e1241f5cc2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "095f92ad8067292f376a46603a3f009eed8b82f61ac0a3aebc45e1241f5cc2bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095f92ad8067292f376a46603a3f009eed8b82f61ac0a3aebc45e1241f5cc2bb", kill_on_drop: false }`
[INFO] [stdout] 095f92ad8067292f376a46603a3f009eed8b82f61ac0a3aebc45e1241f5cc2bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b0831eaf0c89395494b1011913c3eec4d96b8143cc71523c6e82795d08c12c88
[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" "b0831eaf0c89395494b1011913c3eec4d96b8143cc71523c6e82795d08c12c88", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8-width v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.3.0
[INFO] [stderr]     Checking pretty v0.5.2
[INFO] [stderr]     Checking serde_test v0.8.23
[INFO] [stderr]     Checking tint v1.0.1
[INFO] [stderr]     Checking directories v2.0.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking indexmap v1.6.0
[INFO] [stderr]     Checking codespan-reporting v0.9.5
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking byte-unit v4.0.9
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking linked-hash-map v0.3.0
[INFO] [stderr]     Checking petgraph v0.5.1
[INFO] [stderr]     Checking serde-hjson v0.9.1
[INFO] [stderr]     Checking config v0.10.1
[INFO] [stderr]     Checking nu-source v0.22.0
[INFO] [stderr]     Checking bigdecimal v0.2.0
[INFO] [stderr]     Checking nu-errors v0.22.0
[INFO] [stderr]     Checking ptree v0.3.0
[INFO] [stderr]     Checking nu-protocol v0.22.0
[INFO] [stderr]     Checking nu-value-ext v0.22.0
[INFO] [stderr]     Checking nu-test-support v0.22.0
[INFO] [stderr]     Checking nu-plugin v0.22.0
[INFO] [stderr]     Checking nu_plugin_tree v0.22.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.61s
[INFO] running `Command { std: "docker" "inspect" "b0831eaf0c89395494b1011913c3eec4d96b8143cc71523c6e82795d08c12c88", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0831eaf0c89395494b1011913c3eec4d96b8143cc71523c6e82795d08c12c88", kill_on_drop: false }`
[INFO] [stdout] b0831eaf0c89395494b1011913c3eec4d96b8143cc71523c6e82795d08c12c88