[INFO] cloning repository https://github.com/leeian1011/Boredcarat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leeian1011/Boredcarat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeian1011%2FBoredcarat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeian1011%2FBoredcarat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0fb5f99f3e00c437700a593c309fe3d038e86568
[INFO] testing leeian1011/Boredcarat against master#ebf0cf75d368c035f4c7e7246d203bd469ee4a51 for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeian1011%2FBoredcarat" "/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/leeian1011/Boredcarat on toolchain ebf0cf75d368c035f4c7e7246d203bd469ee4a51
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/leeian1011/Boredcarat
[INFO] finished tweaking git repo https://github.com/leeian1011/Boredcarat
[INFO] tweaked toml for git repo https://github.com/leeian1011/Boredcarat written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leeian1011/Boredcarat 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" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.11
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.17
[INFO] [stderr]   Downloaded libc v0.2.150
[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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 35712f44ed9d4855be34724f34560d3a8e727b1ee368e903d4020d324a08b7b6
[INFO] running `Command { std: "docker" "start" "-a" "35712f44ed9d4855be34724f34560d3a8e727b1ee368e903d4020d324a08b7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35712f44ed9d4855be34724f34560d3a8e727b1ee368e903d4020d324a08b7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35712f44ed9d4855be34724f34560d3a8e727b1ee368e903d4020d324a08b7b6", kill_on_drop: false }`
[INFO] [stdout] 35712f44ed9d4855be34724f34560d3a8e727b1ee368e903d4020d324a08b7b6
[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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b84061f7e7c7db3d7167d13997e519468e31a4e48f0e0777f82d2099f9b0b0f
[INFO] running `Command { std: "docker" "start" "-a" "5b84061f7e7c7db3d7167d13997e519468e31a4e48f0e0777f82d2099f9b0b0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling getrandom v0.2.11
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling boredcarrat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ThreadRng`
[INFO] [stdout]  --> src/cards.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     prelude::{Rng, ThreadRng},
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::prelude::*`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io::prelude::*, process::exit};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "5b84061f7e7c7db3d7167d13997e519468e31a4e48f0e0777f82d2099f9b0b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b84061f7e7c7db3d7167d13997e519468e31a4e48f0e0777f82d2099f9b0b0f", kill_on_drop: false }`
[INFO] [stdout] 5b84061f7e7c7db3d7167d13997e519468e31a4e48f0e0777f82d2099f9b0b0f
[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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c438b97f2fbf7fe1be8feea4aef3c9fdc5765c5c8416c1440c22bf1c2f220b1
[INFO] running `Command { std: "docker" "start" "-a" "5c438b97f2fbf7fe1be8feea4aef3c9fdc5765c5c8416c1440c22bf1c2f220b1", kill_on_drop: false }`
[INFO] [stderr]    Compiling boredcarrat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ThreadRng`
[INFO] [stdout]  --> src/cards.rs:2:20
[INFO] [stdout]   |
[INFO] [stdout] 2 |     prelude::{Rng, ThreadRng},
[INFO] [stdout]   |                    ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `io::prelude::*`
[INFO] [stdout]  --> src/main.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::{io::prelude::*, process::exit};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "5c438b97f2fbf7fe1be8feea4aef3c9fdc5765c5c8416c1440c22bf1c2f220b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c438b97f2fbf7fe1be8feea4aef3c9fdc5765c5c8416c1440c22bf1c2f220b1", kill_on_drop: false }`
[INFO] [stdout] 5c438b97f2fbf7fe1be8feea4aef3c9fdc5765c5c8416c1440c22bf1c2f220b1
[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" "-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+ebf0cf75d368c035f4c7e7246d203bd469ee4a51" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2974638caf1d9f4fc20022abe34ff7b6aa56f59a862737f811a889f992903359
[INFO] running `Command { std: "docker" "start" "-a" "2974638caf1d9f4fc20022abe34ff7b6aa56f59a862737f811a889f992903359", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ThreadRng`
[INFO] [stderr]  --> src/cards.rs:2:20
[INFO] [stderr]   |
[INFO] [stderr] 2 |     prelude::{Rng, ThreadRng},
[INFO] [stderr]   |                    ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `io::prelude::*`
[INFO] [stderr]  --> src/main.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::{io::prelude::*, process::exit};
[INFO] [stderr]   |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `boredcarrat` (bin "boredcarrat" test) generated 2 warnings (run `cargo fix --bin "boredcarrat" --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/boredcarrat-1611eb0a10f59626)
[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" "2974638caf1d9f4fc20022abe34ff7b6aa56f59a862737f811a889f992903359", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2974638caf1d9f4fc20022abe34ff7b6aa56f59a862737f811a889f992903359", kill_on_drop: false }`
[INFO] [stdout] 2974638caf1d9f4fc20022abe34ff7b6aa56f59a862737f811a889f992903359