[INFO] cloning repository https://github.com/Aaqib-kk/chap10_prac
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Aaqib-kk/chap10_prac" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2Fchap10_prac", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2Fchap10_prac'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a0e1664d818509735f55e02718b4dd144521e65
[INFO] testing Aaqib-kk/chap10_prac against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAaqib-kk%2Fchap10_prac" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Aaqib-kk/chap10_prac on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Aaqib-kk/chap10_prac
[INFO] finished tweaking git repo https://github.com/Aaqib-kk/chap10_prac
[INFO] tweaked toml for git repo https://github.com/Aaqib-kk/chap10_prac written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/Aaqib-kk/chap10_prac already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af629db6de567560e06ff4b84c63fc8bb5009a6ee6f962830eea0302c4c16808
[INFO] running `Command { std: "docker" "start" "-a" "af629db6de567560e06ff4b84c63fc8bb5009a6ee6f962830eea0302c4c16808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af629db6de567560e06ff4b84c63fc8bb5009a6ee6f962830eea0302c4c16808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af629db6de567560e06ff4b84c63fc8bb5009a6ee6f962830eea0302c4c16808", kill_on_drop: false }`
[INFO] [stdout] af629db6de567560e06ff4b84c63fc8bb5009a6ee6f962830eea0302c4c16808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb72b80ebba5c85713b03dac18171ac9867799543c15ecb461424f5c4ef2270c
[INFO] running `Command { std: "docker" "start" "-a" "bb72b80ebba5c85713b03dac18171ac9867799543c15ecb461424f5c4ef2270c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling chap10_prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Sub};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "bb72b80ebba5c85713b03dac18171ac9867799543c15ecb461424f5c4ef2270c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb72b80ebba5c85713b03dac18171ac9867799543c15ecb461424f5c4ef2270c", kill_on_drop: false }`
[INFO] [stdout] bb72b80ebba5c85713b03dac18171ac9867799543c15ecb461424f5c4ef2270c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 151eda3b2c0c3d12ce90c0a3578dbb9c9760084566efd0297f014d2a69a468f8
[INFO] running `Command { std: "docker" "start" "-a" "151eda3b2c0c3d12ce90c0a3578dbb9c9760084566efd0297f014d2a69a468f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling chap10_prac v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Sub`
[INFO] [stdout]  --> src/main.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::{Add, Sub};
[INFO] [stdout]   |                     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "151eda3b2c0c3d12ce90c0a3578dbb9c9760084566efd0297f014d2a69a468f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "151eda3b2c0c3d12ce90c0a3578dbb9c9760084566efd0297f014d2a69a468f8", kill_on_drop: false }`
[INFO] [stdout] 151eda3b2c0c3d12ce90c0a3578dbb9c9760084566efd0297f014d2a69a468f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0e3f7e6b6d7192416e886b3e4732a238ff77346afa01d8d16c123316c298952
[INFO] running `Command { std: "docker" "start" "-a" "e0e3f7e6b6d7192416e886b3e4732a238ff77346afa01d8d16c123316c298952", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused import: `Sub`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/main.rs:1:21
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | use std::ops::{Add, Sub};
[INFO] [stdout] 
[INFO] [stderr]   |                     ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chap10_prac-af79cce5608fb023)
[INFO] running `Command { std: "docker" "inspect" "e0e3f7e6b6d7192416e886b3e4732a238ff77346afa01d8d16c123316c298952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0e3f7e6b6d7192416e886b3e4732a238ff77346afa01d8d16c123316c298952", kill_on_drop: false }`
[INFO] [stdout] e0e3f7e6b6d7192416e886b3e4732a238ff77346afa01d8d16c123316c298952