[INFO] cloning repository https://github.com/maikroservice/RustyC2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maikroservice/RustyC2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikroservice%2FRustyC2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikroservice%2FRustyC2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e5c3772dc8447b2c4e0ca37549d842266117ccaa
[INFO] building maikroservice/RustyC2 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%2Fmaikroservice%2FRustyC2" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maikroservice/RustyC2 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/maikroservice/RustyC2
[INFO] finished tweaking git repo https://github.com/maikroservice/RustyC2
[INFO] tweaked toml for git repo https://github.com/maikroservice/RustyC2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/maikroservice/RustyC2 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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] ee1026755ebd8e78d34e4a2ae110051dc4c4eac117ca684258f91d28f20e1127
[INFO] running `Command { std: "docker" "start" "-a" "ee1026755ebd8e78d34e4a2ae110051dc4c4eac117ca684258f91d28f20e1127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee1026755ebd8e78d34e4a2ae110051dc4c4eac117ca684258f91d28f20e1127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee1026755ebd8e78d34e4a2ae110051dc4c4eac117ca684258f91d28f20e1127", kill_on_drop: false }`
[INFO] [stdout] ee1026755ebd8e78d34e4a2ae110051dc4c4eac117ca684258f91d28f20e1127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 34ffaee54e1dee592382378169f652b9c329d28639f25bfd70bd2cfee41cfa04
[INFO] running `Command { std: "docker" "start" "-a" "34ffaee54e1dee592382378169f652b9c329d28639f25bfd70bd2cfee41cfa04", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.115
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling uuid v0.8.2
[INFO] [stderr]    Compiling rustyc2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Running`, `Completed`, and `Failed` are never constructed
[INFO] [stdout]   --> src/tasks.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub enum TaskStatus {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 9  |     Waiting,
[INFO] [stdout] 10 |     Running,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Completed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     Failed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TaskStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `status`, and `output` are never read
[INFO] [stdout]   --> src/tasks.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Task {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 18 |     pub id: uuid::Uuid,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 19 |     pub command: String,
[INFO] [stdout] 20 |     pub status: TaskStatus,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 21 |     pub output: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Task` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `find_first_waiting_task_index` and `feed_the_bacon` are never used
[INFO] [stdout]   --> src/tasks.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Tasklist {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 42 |     fn find_first_waiting_task_index(self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn feed_the_bacon() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.39s
[INFO] running `Command { std: "docker" "inspect" "34ffaee54e1dee592382378169f652b9c329d28639f25bfd70bd2cfee41cfa04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34ffaee54e1dee592382378169f652b9c329d28639f25bfd70bd2cfee41cfa04", kill_on_drop: false }`
[INFO] [stdout] 34ffaee54e1dee592382378169f652b9c329d28639f25bfd70bd2cfee41cfa04
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 548dc9431213680c77f79d24359ad2f728d868853d6988efae0f5938a5acf101
[INFO] running `Command { std: "docker" "start" "-a" "548dc9431213680c77f79d24359ad2f728d868853d6988efae0f5938a5acf101", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustyc2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `Running`, `Completed`, and `Failed` are never constructed
[INFO] [stdout]   --> src/tasks.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | pub enum TaskStatus {
[INFO] [stdout]    |          ---------- variants in this enum
[INFO] [stdout] 9  |     Waiting,
[INFO] [stdout] 10 |     Running,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Completed,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     Failed,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TaskStatus` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `id`, `status`, and `output` are never read
[INFO] [stdout]   --> src/tasks.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct Task {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 18 |     pub id: uuid::Uuid,
[INFO] [stdout]    |         ^^
[INFO] [stdout] 19 |     pub command: String,
[INFO] [stdout] 20 |     pub status: TaskStatus,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 21 |     pub output: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Task` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `find_first_waiting_task_index` and `feed_the_bacon` are never used
[INFO] [stdout]   --> src/tasks.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Tasklist {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 42 |     fn find_first_waiting_task_index(self) -> i32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     fn feed_the_bacon() {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `Command { std: "docker" "inspect" "548dc9431213680c77f79d24359ad2f728d868853d6988efae0f5938a5acf101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "548dc9431213680c77f79d24359ad2f728d868853d6988efae0f5938a5acf101", kill_on_drop: false }`
[INFO] [stdout] 548dc9431213680c77f79d24359ad2f728d868853d6988efae0f5938a5acf101