[INFO] cloning repository https://github.com/MathiasStadler/rust_project_complete
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MathiasStadler/rust_project_complete" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_project_complete", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_project_complete'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a0fdfe6488298630607bf7593b0fb8008f66795c
[INFO] checking MathiasStadler/rust_project_complete against try#723ab942d877517caf445dafde0416803ef56501 for pr-143857
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_project_complete" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MathiasStadler/rust_project_complete
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[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust_project_complete on toolchain 723ab942d877517caf445dafde0416803ef56501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MathiasStadler/rust_project_complete 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" "+723ab942d877517caf445dafde0416803ef56501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[ERROR] error running command: no output for 300 seconds
[INFO] checking MathiasStadler/rust_project_complete against try#723ab942d877517caf445dafde0416803ef56501 for pr-143857
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMathiasStadler%2Frust_project_complete" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MathiasStadler/rust_project_complete
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[INFO] validating manifest of git repo https://github.com/MathiasStadler/rust_project_complete on toolchain 723ab942d877517caf445dafde0416803ef56501
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+723ab942d877517caf445dafde0416803ef56501" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MathiasStadler/rust_project_complete 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" "+723ab942d877517caf445dafde0416803ef56501" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Checking rust_project_complete v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `OperationType`
[INFO] [stdout]  --> src/main.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_project_complete::{Calculator, OperationType};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OperationType`
[INFO] [stdout]  --> src/main.rs:3:41
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rust_project_complete::{Calculator, OperationType};
[INFO] [stdout]   |                                         ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]  --> tests/integration_tests.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Write;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]   --> tests/integration_tests.rs:68:21
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let json_data = serde_json::to_string_pretty(&calc).unwrap();
[INFO] [stdout]    |                     ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]   --> tests/integration_tests.rs:74:35
[INFO] [stdout]    |
[INFO] [stdout] 74 |     let parsed_calc: Calculator = serde_json::from_str(&read_data).unwrap();
[INFO] [stdout]    |                                   ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> tests/integration_tests.rs:118:16
[INFO] [stdout]     |
[INFO] [stdout] 118 |     let json = serde_json::to_string(&calc).unwrap();
[INFO] [stdout]     |                ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]    --> tests/integration_tests.rs:121:36
[INFO] [stdout]     |
[INFO] [stdout] 121 |     let deserialized: Calculator = serde_json::from_str(&json).unwrap();
[INFO] [stdout]     |                                    ^^^^^^^^^^ use of unresolved module or unlinked crate `serde_json`
[INFO] [stdout]     |
[INFO] [stdout]     = help: if you wanted to use a crate named `serde_json`, use `cargo add serde_json` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Write`
[INFO] [stdout]    --> src/modules/utils.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |     use std::io::Write;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_project_complete` (test "integration_tests") due to 4 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/modules/utils.rs:128:13
[INFO] [stdout]     |
[INFO] [stdout] 128 |         let mut temp_file = NamedTempFile::new().unwrap();
[INFO] [stdout]     |             ----^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b8a36a701e982ba6bdc1528d162f1b3f447c9826f99f37bb4431cec565614414", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8a36a701e982ba6bdc1528d162f1b3f447c9826f99f37bb4431cec565614414", kill_on_drop: false }`
[INFO] [stdout] b8a36a701e982ba6bdc1528d162f1b3f447c9826f99f37bb4431cec565614414