[INFO] cloning repository https://github.com/kharioki/intro-to-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kharioki/intro-to-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharioki%2Fintro-to-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharioki%2Fintro-to-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bcb543f8ac99c8584aa17070e6755fd01ccadbed
[INFO] testing kharioki/intro-to-rust against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkharioki%2Fintro-to-rust" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kharioki/intro-to-rust on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kharioki/intro-to-rust
[INFO] finished tweaking git repo https://github.com/kharioki/intro-to-rust
[INFO] tweaked toml for git repo https://github.com/kharioki/intro-to-rust written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/kharioki/intro-to-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 736245de3aef97b899567db6cad59f9523e2541d1ef30d6057553e36d329a91a
[INFO] running `Command { std: "docker" "start" "-a" "736245de3aef97b899567db6cad59f9523e2541d1ef30d6057553e36d329a91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "736245de3aef97b899567db6cad59f9523e2541d1ef30d6057553e36d329a91a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "736245de3aef97b899567db6cad59f9523e2541d1ef30d6057553e36d329a91a", kill_on_drop: false }`
[INFO] [stdout] 736245de3aef97b899567db6cad59f9523e2541d1ef30d6057553e36d329a91a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8fb2f0df804691bb359d04964551912ae3b097eae4802a1ccfc911c7536f7ede
[INFO] running `Command { std: "docker" "start" "-a" "8fb2f0df804691bb359d04964551912ae3b097eae4802a1ccfc911c7536f7ede", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
[INFO] running `Command { std: "docker" "inspect" "8fb2f0df804691bb359d04964551912ae3b097eae4802a1ccfc911c7536f7ede", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fb2f0df804691bb359d04964551912ae3b097eae4802a1ccfc911c7536f7ede", kill_on_drop: false }`
[INFO] [stdout] 8fb2f0df804691bb359d04964551912ae3b097eae4802a1ccfc911c7536f7ede
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 028f682bcfc58f953578a4417ada092e64a28663730284fbfeef25a4bd1019ba
[INFO] running `Command { std: "docker" "start" "-a" "028f682bcfc58f953578a4417ada092e64a28663730284fbfeef25a4bd1019ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "028f682bcfc58f953578a4417ada092e64a28663730284fbfeef25a4bd1019ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "028f682bcfc58f953578a4417ada092e64a28663730284fbfeef25a4bd1019ba", kill_on_drop: false }`
[INFO] [stdout] 028f682bcfc58f953578a4417ada092e64a28663730284fbfeef25a4bd1019ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e7618f2f9f97945b4c2d5d37ebe3cdceed4781ba99cf5e977c4978264fbc000c
[INFO] running `Command { std: "docker" "start" "-a" "e7618f2f9f97945b4c2d5d37ebe3cdceed4781ba99cf5e977c4978264fbc000c", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_sandbox-3dcde6b1e9e4201c)
[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" "e7618f2f9f97945b4c2d5d37ebe3cdceed4781ba99cf5e977c4978264fbc000c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7618f2f9f97945b4c2d5d37ebe3cdceed4781ba99cf5e977c4978264fbc000c", kill_on_drop: false }`
[INFO] [stdout] e7618f2f9f97945b4c2d5d37ebe3cdceed4781ba99cf5e977c4978264fbc000c