[INFO] cloning repository https://github.com/mewosmith/mdls-analyze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mewosmith/mdls-analyze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmewosmith%2Fmdls-analyze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmewosmith%2Fmdls-analyze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff33b0f5c3989f2811e1601e3fc408edc1a3e995
[INFO] building mewosmith/mdls-analyze against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmewosmith%2Fmdls-analyze" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mewosmith/mdls-analyze on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mewosmith/mdls-analyze
[INFO] finished tweaking git repo https://github.com/mewosmith/mdls-analyze
[INFO] tweaked toml for git repo https://github.com/mewosmith/mdls-analyze written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/mewosmith/mdls-analyze already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded roxmltree v0.11.0
[INFO] [stderr]   Downloaded xmlparser v0.13.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393b769f134a26043659f75e010ed93aa675eb8ed396884847cdeb949b4191dd
[INFO] running `Command { std: "docker" "start" "-a" "393b769f134a26043659f75e010ed93aa675eb8ed396884847cdeb949b4191dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393b769f134a26043659f75e010ed93aa675eb8ed396884847cdeb949b4191dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393b769f134a26043659f75e010ed93aa675eb8ed396884847cdeb949b4191dd", kill_on_drop: false }`
[INFO] [stdout] 393b769f134a26043659f75e010ed93aa675eb8ed396884847cdeb949b4191dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a146ff69dcbb034056109d1af240f3ac2ad53b9128f8a3b8a15089b39add1be
[INFO] running `Command { std: "docker" "start" "-a" "6a146ff69dcbb034056109d1af240f3ac2ad53b9128f8a3b8a15089b39add1be", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmlparser v0.13.1
[INFO] [stderr]    Compiling roxmltree v0.11.0
[INFO] [stderr]    Compiling mdls_analyze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let current = get_current(&input);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MDLSError` is never used
[INFO] [stdout]  --> src/main.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum MDLSError {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Input {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 11 |     position: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Input` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `names`, and `children` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct NameSpace {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 16 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     names: Vec<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     root: Cue,
[INFO] [stdout] 19 |     children: Vec<Cue>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NameSpace` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Cue {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 23 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cue` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.17s
[INFO] running `Command { std: "docker" "inspect" "6a146ff69dcbb034056109d1af240f3ac2ad53b9128f8a3b8a15089b39add1be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a146ff69dcbb034056109d1af240f3ac2ad53b9128f8a3b8a15089b39add1be", kill_on_drop: false }`
[INFO] [stdout] 6a146ff69dcbb034056109d1af240f3ac2ad53b9128f8a3b8a15089b39add1be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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 -Dtail-expr-drop-order" "-e" "RUSTDOCFLAGS=--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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17187668fea261c27daeb975d706a15a9320e17916f3f4e60eaa6ffe730735f2
[INFO] running `Command { std: "docker" "start" "-a" "17187668fea261c27daeb975d706a15a9320e17916f3f4e60eaa6ffe730735f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling mdls_analyze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `current`
[INFO] [stdout]   --> src/main.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |     let current = get_current(&input);
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_current`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MDLSError` is never used
[INFO] [stdout]  --> src/main.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum MDLSError {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `position` is never read
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | struct Input {
[INFO] [stdout]    |        ----- field in this struct
[INFO] [stdout] 11 |     position: i32,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Input` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `path`, `names`, and `children` are never read
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | struct NameSpace {
[INFO] [stdout]    |        --------- fields in this struct
[INFO] [stdout] 16 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 17 |     names: Vec<String>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 18 |     root: Cue,
[INFO] [stdout] 19 |     children: Vec<Cue>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `NameSpace` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `path` is never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Cue {
[INFO] [stdout]    |        --- field in this struct
[INFO] [stdout] 23 |     path: String,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Cue` has derived impls for the traits `Default`, `Clone`, and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] running `Command { std: "docker" "inspect" "17187668fea261c27daeb975d706a15a9320e17916f3f4e60eaa6ffe730735f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17187668fea261c27daeb975d706a15a9320e17916f3f4e60eaa6ffe730735f2", kill_on_drop: false }`
[INFO] [stdout] 17187668fea261c27daeb975d706a15a9320e17916f3f4e60eaa6ffe730735f2