[INFO] cloning repository https://github.com/Heka95/rust_cake_industry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Heka95/rust_cake_industry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeka95%2Frust_cake_industry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHeka95%2Frust_cake_industry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a1ea53834c26a5626311ccf6ae303d5212059f64
[INFO] building Heka95/rust_cake_industry 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%2FHeka95%2Frust_cake_industry" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Heka95/rust_cake_industry 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/Heka95/rust_cake_industry
[INFO] finished tweaking git repo https://github.com/Heka95/rust_cake_industry
[INFO] tweaked toml for git repo https://github.com/Heka95/rust_cake_industry written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Heka95/rust_cake_industry 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 5d1595e7607141bd3a7b02179e042cfa054cf7fccb3e440679efe87c583b3abb
[INFO] running `Command { std: "docker" "start" "-a" "5d1595e7607141bd3a7b02179e042cfa054cf7fccb3e440679efe87c583b3abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d1595e7607141bd3a7b02179e042cfa054cf7fccb3e440679efe87c583b3abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d1595e7607141bd3a7b02179e042cfa054cf7fccb3e440679efe87c583b3abb", kill_on_drop: false }`
[INFO] [stdout] 5d1595e7607141bd3a7b02179e042cfa054cf7fccb3e440679efe87c583b3abb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] b9c4ca39c84313294e1911fc73bf2e9357cb332da50056b64a69d1767f561d2f
[INFO] running `Command { std: "docker" "start" "-a" "b9c4ca39c84313294e1911fc73bf2e9357cb332da50056b64a69d1767f561d2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rust_cake_industry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/cake_factory/cake_factory.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut result = "".to_owned();
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `created_cake_count` and `interval_duration_in_seconds` are never read
[INFO] [stdout]  --> src/cake_factory/cake_factory.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CakeFactory {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     pub created_cake_count: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     interval_duration_in_seconds: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `private_get_status_message` and `get_status_message` are never used
[INFO] [stdout]   --> src/cake_factory/cake_factory.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl CakeFactory {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn private_get_status_message(created_cake_count: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn get_status_message(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_concurrent_working` and `step_definition` are never read
[INFO] [stdout]  --> src/cake_factory/step_balancer.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StepBalancer {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 4 |     pub max_concurrent_working: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     pub balancing_action_name: String,
[INFO] [stdout] 6 |     pub step_definition: StepDefinition,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minimal_time_processing` and `maximal_time_processing` are never read
[INFO] [stdout]  --> src/cake_factory/step_definition.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StepDefinition {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 2 |     pub minimal_time_processing: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     pub maximal_time_processing: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `Command { std: "docker" "inspect" "b9c4ca39c84313294e1911fc73bf2e9357cb332da50056b64a69d1767f561d2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c4ca39c84313294e1911fc73bf2e9357cb332da50056b64a69d1767f561d2f", kill_on_drop: false }`
[INFO] [stdout] b9c4ca39c84313294e1911fc73bf2e9357cb332da50056b64a69d1767f561d2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 1cc48aea7a37fab01794068d152fdd24898b8f2f2b13ea0b9fc9e991e871a578
[INFO] running `Command { std: "docker" "start" "-a" "1cc48aea7a37fab01794068d152fdd24898b8f2f2b13ea0b9fc9e991e871a578", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_cake_industry v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cake_factory::*`
[INFO] [stdout]  --> src/tests/cake_factory_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::cake_factory::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/cake_factory/cake_factory.rs:20:17
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut result = "".to_owned();
[INFO] [stdout]    |                 ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `created_cake_count` and `interval_duration_in_seconds` are never read
[INFO] [stdout]  --> src/cake_factory/cake_factory.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct CakeFactory {
[INFO] [stdout]   |            ----------- fields in this struct
[INFO] [stdout] 5 |     pub created_cake_count: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6 |     interval_duration_in_seconds: u64,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `private_get_status_message` and `get_status_message` are never used
[INFO] [stdout]   --> src/cake_factory/cake_factory.rs:19:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl CakeFactory {
[INFO] [stdout]    | ---------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 19 |     fn private_get_status_message(created_cake_count: i32) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 |     pub fn get_status_message(&self) -> String {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `max_concurrent_working` and `step_definition` are never read
[INFO] [stdout]  --> src/cake_factory/step_balancer.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct StepBalancer {
[INFO] [stdout]   |            ------------ fields in this struct
[INFO] [stdout] 4 |     pub max_concurrent_working: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 5 |     pub balancing_action_name: String,
[INFO] [stdout] 6 |     pub step_definition: StepDefinition,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minimal_time_processing` and `maximal_time_processing` are never read
[INFO] [stdout]  --> src/cake_factory/step_definition.rs:2:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct StepDefinition {
[INFO] [stdout]   |            -------------- fields in this struct
[INFO] [stdout] 2 |     pub minimal_time_processing: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     pub maximal_time_processing: i32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "1cc48aea7a37fab01794068d152fdd24898b8f2f2b13ea0b9fc9e991e871a578", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cc48aea7a37fab01794068d152fdd24898b8f2f2b13ea0b9fc9e991e871a578", kill_on_drop: false }`
[INFO] [stdout] 1cc48aea7a37fab01794068d152fdd24898b8f2f2b13ea0b9fc9e991e871a578