[INFO] cloning repository https://github.com/Ramoreik/dolon
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ramoreik/dolon" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamoreik%2Fdolon", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamoreik%2Fdolon'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e21d2829e2a3a53e093ae84900265a5608c0f2fb
[INFO] testing Ramoreik/dolon against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamoreik%2Fdolon" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ramoreik/dolon on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ramoreik/dolon
[INFO] finished tweaking git repo https://github.com/Ramoreik/dolon
[INFO] tweaked toml for git repo https://github.com/Ramoreik/dolon written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/Ramoreik/dolon already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fcc6d757bbc8d45b3ad7ff93984472a3c32ea2ab7b3d59ca0db0902ee592c8f3
[INFO] running `Command { std: "docker" "start" "-a" "fcc6d757bbc8d45b3ad7ff93984472a3c32ea2ab7b3d59ca0db0902ee592c8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fcc6d757bbc8d45b3ad7ff93984472a3c32ea2ab7b3d59ca0db0902ee592c8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcc6d757bbc8d45b3ad7ff93984472a3c32ea2ab7b3d59ca0db0902ee592c8f3", kill_on_drop: false }`
[INFO] [stdout] fcc6d757bbc8d45b3ad7ff93984472a3c32ea2ab7b3d59ca0db0902ee592c8f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6167a92060b86266b8cc9b5f3d8d8eeabfe739371b925377a15af8ffbb597033
[INFO] running `Command { std: "docker" "start" "-a" "6167a92060b86266b8cc9b5f3d8d8eeabfe739371b925377a15af8ffbb597033", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling read_input v0.8.4
[INFO] [stderr]    Compiling prophet-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> src/shell/mod.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Write, Read, BufReader, BufWriter, BufRead};
[INFO] [stdout]   |                            ^^^^^^^^^             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_input::prelude::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use read_input::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hndl`
[INFO] [stdout]   --> src/shell/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let hndl = std::thread::spawn(move || {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_hndl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/shell/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     last: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmd`
[INFO] [stdout]   --> src/shell/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     cmd: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interactive`
[INFO] [stdout]   --> src/shell/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     interactive: Option<Child>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interactive_session`
[INFO] [stdout]   --> src/shell/mod.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn interactive_session(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "6167a92060b86266b8cc9b5f3d8d8eeabfe739371b925377a15af8ffbb597033", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6167a92060b86266b8cc9b5f3d8d8eeabfe739371b925377a15af8ffbb597033", kill_on_drop: false }`
[INFO] [stdout] 6167a92060b86266b8cc9b5f3d8d8eeabfe739371b925377a15af8ffbb597033
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74d56bfcc7eb6d4300a3e1c4c1101ce18ce6d55bad6d4c6e0ae3a92dca3b191f
[INFO] running `Command { std: "docker" "start" "-a" "74d56bfcc7eb6d4300a3e1c4c1101ce18ce6d55bad6d4c6e0ae3a92dca3b191f", kill_on_drop: false }`
[INFO] [stderr]    Compiling prophet-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stdout]  --> src/shell/mod.rs:4:28
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::{Write, Read, BufReader, BufWriter, BufRead};
[INFO] [stdout]   |                            ^^^^^^^^^             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `read_input::prelude::*`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use read_input::prelude::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hndl`
[INFO] [stdout]   --> src/shell/mod.rs:73:13
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let hndl = std::thread::spawn(move || {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_hndl`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last`
[INFO] [stdout]   --> src/shell/mod.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     last: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cmd`
[INFO] [stdout]   --> src/shell/mod.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     cmd: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `interactive`
[INFO] [stdout]   --> src/shell/mod.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     interactive: Option<Child>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `interactive_session`
[INFO] [stdout]   --> src/shell/mod.rs:70:12
[INFO] [stdout]    |
[INFO] [stdout] 70 |     pub fn interactive_session(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "74d56bfcc7eb6d4300a3e1c4c1101ce18ce6d55bad6d4c6e0ae3a92dca3b191f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74d56bfcc7eb6d4300a3e1c4c1101ce18ce6d55bad6d4c6e0ae3a92dca3b191f", kill_on_drop: false }`
[INFO] [stdout] 74d56bfcc7eb6d4300a3e1c4c1101ce18ce6d55bad6d4c6e0ae3a92dca3b191f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6b557c74e6e7f6946f0906b7ff0a12b8ae4b3f5275d116c7765420cb8f12dc8
[INFO] running `Command { std: "docker" "start" "-a" "e6b557c74e6e7f6946f0906b7ff0a12b8ae4b3f5275d116c7765420cb8f12dc8", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `BufRead`, `BufReader`
[INFO] [stderr]  --> src/shell/mod.rs:4:28
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::io::{Write, Read, BufReader, BufWriter, BufRead};
[INFO] [stderr]   |                            ^^^^^^^^^             ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `read_input::prelude::*`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use read_input::prelude::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `hndl`
[INFO] [stderr]   --> src/shell/mod.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |         let hndl = std::thread::spawn(move || {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_hndl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `last`
[INFO] [stderr]   --> src/shell/mod.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     last: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cmd`
[INFO] [stderr]   --> src/shell/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     cmd: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `interactive`
[INFO] [stderr]   --> src/shell/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     interactive: Option<Child>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `interactive_session`
[INFO] [stderr]   --> src/shell/mod.rs:70:12
[INFO] [stderr]    |
[INFO] [stderr] 70 |     pub fn interactive_session(&self) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `prophet-rs` (bin "prophet-rs" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/prophet_rs-9748092291aaeb41)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6b557c74e6e7f6946f0906b7ff0a12b8ae4b3f5275d116c7765420cb8f12dc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6b557c74e6e7f6946f0906b7ff0a12b8ae4b3f5275d116c7765420cb8f12dc8", kill_on_drop: false }`
[INFO] [stdout] e6b557c74e6e7f6946f0906b7ff0a12b8ae4b3f5275d116c7765420cb8f12dc8