[INFO] cloning repository https://github.com/kristopherkane/learning_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kristopherkane/learning_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherkane%2Flearning_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherkane%2Flearning_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e8e9a5b0c0aecd9f4ab6ba42261f469bd81a60d
[INFO] testing kristopherkane/learning_rust against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkristopherkane%2Flearning_rust" "/workspace/builds/worker-63/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-63/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kristopherkane/learning_rust on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kristopherkane/learning_rust
[INFO] finished tweaking git repo https://github.com/kristopherkane/learning_rust
[INFO] tweaked toml for git repo https://github.com/kristopherkane/learning_rust written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] crate git repo https://github.com/kristopherkane/learning_rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a5c767cac3090ae7cbd05b77b8f555b6c960f75fcf873b9be720d778c5aa9b7
[INFO] running `Command { std: "docker" "start" "-a" "9a5c767cac3090ae7cbd05b77b8f555b6c960f75fcf873b9be720d778c5aa9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a5c767cac3090ae7cbd05b77b8f555b6c960f75fcf873b9be720d778c5aa9b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a5c767cac3090ae7cbd05b77b8f555b6c960f75fcf873b9be720d778c5aa9b7", kill_on_drop: false }`
[INFO] [stdout] 9a5c767cac3090ae7cbd05b77b8f555b6c960f75fcf873b9be720d778c5aa9b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f13ca1a45eac46667f44320e2e2477b0ef10e3907074b8a3509f27472209a4aa
[INFO] running `Command { std: "docker" "start" "-a" "f13ca1a45eac46667f44320e2e2477b0ef10e3907074b8a3509f27472209a4aa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.81s
[INFO] running `Command { std: "docker" "inspect" "f13ca1a45eac46667f44320e2e2477b0ef10e3907074b8a3509f27472209a4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f13ca1a45eac46667f44320e2e2477b0ef10e3907074b8a3509f27472209a4aa", kill_on_drop: false }`
[INFO] [stdout] f13ca1a45eac46667f44320e2e2477b0ef10e3907074b8a3509f27472209a4aa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bb12ba8c9a8c95139bacda234eb92f39a0fe1da7ddd14da7db5bf84a7fd5f7d
[INFO] running `Command { std: "docker" "start" "-a" "4bb12ba8c9a8c95139bacda234eb92f39a0fe1da7ddd14da7db5bf84a7fd5f7d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling learning_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.66s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-2ae0c7e3721b852b)
[INFO] running `Command { std: "docker" "inspect" "4bb12ba8c9a8c95139bacda234eb92f39a0fe1da7ddd14da7db5bf84a7fd5f7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bb12ba8c9a8c95139bacda234eb92f39a0fe1da7ddd14da7db5bf84a7fd5f7d", kill_on_drop: false }`
[INFO] [stdout] 4bb12ba8c9a8c95139bacda234eb92f39a0fe1da7ddd14da7db5bf84a7fd5f7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8be2acbe0b040d8e0e329679548e9312da4e929eb1f73b88b4d7955313d3cbda
[INFO] running `Command { std: "docker" "start" "-a" "8be2acbe0b040d8e0e329679548e9312da4e929eb1f73b88b4d7955313d3cbda", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/learning_rust-2ae0c7e3721b852b)
[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" "8be2acbe0b040d8e0e329679548e9312da4e929eb1f73b88b4d7955313d3cbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be2acbe0b040d8e0e329679548e9312da4e929eb1f73b88b4d7955313d3cbda", kill_on_drop: false }`
[INFO] [stdout] 8be2acbe0b040d8e0e329679548e9312da4e929eb1f73b88b4d7955313d3cbda