[INFO] cloning repository https://github.com/natoxpy/Algorithm-Turing-Machine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/natoxpy/Algorithm-Turing-Machine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatoxpy%2FAlgorithm-Turing-Machine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnatoxpy%2FAlgorithm-Turing-Machine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f0b73cfb4b7713f54d077a5ebb62b754f7d5a8a9
[INFO] building natoxpy/Algorithm-Turing-Machine 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%2Fnatoxpy%2FAlgorithm-Turing-Machine" "/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/natoxpy/Algorithm-Turing-Machine 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/natoxpy/Algorithm-Turing-Machine
[INFO] finished tweaking git repo https://github.com/natoxpy/Algorithm-Turing-Machine
[INFO] tweaked toml for git repo https://github.com/natoxpy/Algorithm-Turing-Machine written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/natoxpy/Algorithm-Turing-Machine 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]     Blocking waiting for file lock on package cache
[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] e651cddf7daeca047a50a24c86d994a2854aa1b3476560e70d041c7be09fa46c
[INFO] running `Command { std: "docker" "start" "-a" "e651cddf7daeca047a50a24c86d994a2854aa1b3476560e70d041c7be09fa46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e651cddf7daeca047a50a24c86d994a2854aa1b3476560e70d041c7be09fa46c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e651cddf7daeca047a50a24c86d994a2854aa1b3476560e70d041c7be09fa46c", kill_on_drop: false }`
[INFO] [stdout] e651cddf7daeca047a50a24c86d994a2854aa1b3476560e70d041c7be09fa46c
[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] 0d95c4243937f66ef7d4f40838246a2194100494cc7b87db14bf36532127a827
[INFO] running `Command { std: "docker" "start" "-a" "0d95c4243937f66ef7d4f40838246a2194100494cc7b87db14bf36532127a827", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling uuid v1.6.1
[INFO] [stderr]    Compiling algo-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quick_sort/action_history.rs:131:34
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Action::ExtractPivot(d) => {}
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quick_sort/action_history.rs:132:33
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Action::ConcatPivot(d) => {}
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `auuid` is never read
[INFO] [stdout]   --> src/quick_sort/action_context.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Recursion {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 18 |     auuid: Uuid, // ID for Array
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Recursion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vuuid` is never read
[INFO] [stdout]   --> src/quick_sort/action_context.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct RecursiveItem {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 23 |     vuuid: Uuid,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecursiveItem` 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: method `read_items` is never used
[INFO] [stdout]    --> src/quick_sort/action_history.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl ActionHistory {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn read_items(&self) -> Vec<Uuid> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "0d95c4243937f66ef7d4f40838246a2194100494cc7b87db14bf36532127a827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d95c4243937f66ef7d4f40838246a2194100494cc7b87db14bf36532127a827", kill_on_drop: false }`
[INFO] [stdout] 0d95c4243937f66ef7d4f40838246a2194100494cc7b87db14bf36532127a827
[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] 727852ccc6abc65248c080a07e5e485d79f5fb2328b6d28ff59b4e9eaefa1a2a
[INFO] running `Command { std: "docker" "start" "-a" "727852ccc6abc65248c080a07e5e485d79f5fb2328b6d28ff59b4e9eaefa1a2a", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quick_sort/action_history.rs:131:34
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Action::ExtractPivot(d) => {}
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quick_sort/action_history.rs:132:33
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Action::ConcatPivot(d) => {}
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `auuid` is never read
[INFO] [stdout]   --> src/quick_sort/action_context.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Recursion {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 18 |     auuid: Uuid, // ID for Array
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Recursion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vuuid` is never read
[INFO] [stdout]   --> src/quick_sort/action_context.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct RecursiveItem {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 23 |     vuuid: Uuid,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecursiveItem` 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: method `read_items` is never used
[INFO] [stdout]    --> src/quick_sort/action_history.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl ActionHistory {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn read_items(&self) -> Vec<Uuid> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling algo-bench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quick_sort/action_history.rs:131:34
[INFO] [stdout]     |
[INFO] [stdout] 131 |             Action::ExtractPivot(d) => {}
[INFO] [stdout]     |                                  ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `d`
[INFO] [stdout]    --> src/quick_sort/action_history.rs:132:33
[INFO] [stdout]     |
[INFO] [stdout] 132 |             Action::ConcatPivot(d) => {}
[INFO] [stdout]     |                                 ^ help: if this is intentional, prefix it with an underscore: `_d`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `auuid` is never read
[INFO] [stdout]   --> src/quick_sort/action_context.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Recursion {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] 18 |     auuid: Uuid, // ID for Array
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Recursion` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `vuuid` is never read
[INFO] [stdout]   --> src/quick_sort/action_context.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub struct RecursiveItem {
[INFO] [stdout]    |            ------------- field in this struct
[INFO] [stdout] 23 |     vuuid: Uuid,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `RecursiveItem` 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: method `read_items` is never used
[INFO] [stdout]    --> src/quick_sort/action_history.rs:140:8
[INFO] [stdout]     |
[INFO] [stdout] 56  | impl ActionHistory {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 140 |     fn read_items(&self) -> Vec<Uuid> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "727852ccc6abc65248c080a07e5e485d79f5fb2328b6d28ff59b4e9eaefa1a2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "727852ccc6abc65248c080a07e5e485d79f5fb2328b6d28ff59b4e9eaefa1a2a", kill_on_drop: false }`
[INFO] [stdout] 727852ccc6abc65248c080a07e5e485d79f5fb2328b6d28ff59b4e9eaefa1a2a