[INFO] cloning repository https://github.com/listboss/ex18
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/listboss/ex18" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flistboss%2Fex18", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flistboss%2Fex18'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f61485acdcde982b18b75d42ed7ca1697be4b100
[INFO] testing listboss/ex18 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%2Flistboss%2Fex18" "/workspace/builds/worker-119/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-119/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/listboss/ex18 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/listboss/ex18
[INFO] finished tweaking git repo https://github.com/listboss/ex18
[INFO] tweaked toml for git repo https://github.com/listboss/ex18 written to /workspace/builds/worker-119/source/Cargo.toml
[INFO] crate git repo https://github.com/listboss/ex18 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] [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-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 98c8b6f0d47758b7a9f58f1dc8e02d54be42423095f1cdaa043e22dcefa825a2
[INFO] running `Command { std: "docker" "start" "-a" "98c8b6f0d47758b7a9f58f1dc8e02d54be42423095f1cdaa043e22dcefa825a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98c8b6f0d47758b7a9f58f1dc8e02d54be42423095f1cdaa043e22dcefa825a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98c8b6f0d47758b7a9f58f1dc8e02d54be42423095f1cdaa043e22dcefa825a2", kill_on_drop: false }`
[INFO] [stdout] 98c8b6f0d47758b7a9f58f1dc8e02d54be42423095f1cdaa043e22dcefa825a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] e2e103f1d76166347207782d5975dde2da9490c4e7ece5e90e1cace3217fce08
[INFO] running `Command { std: "docker" "start" "-a" "e2e103f1d76166347207782d5975dde2da9490c4e7ece5e90e1cace3217fce08", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ex18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.10s
[INFO] running `Command { std: "docker" "inspect" "e2e103f1d76166347207782d5975dde2da9490c4e7ece5e90e1cace3217fce08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2e103f1d76166347207782d5975dde2da9490c4e7ece5e90e1cace3217fce08", kill_on_drop: false }`
[INFO] [stdout] e2e103f1d76166347207782d5975dde2da9490c4e7ece5e90e1cace3217fce08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 2205c42df015489e5526d03d8640e49269ee14af3ac14e71de0c7dd45e7fea91
[INFO] running `Command { std: "docker" "start" "-a" "2205c42df015489e5526d03d8640e49269ee14af3ac14e71de0c7dd45e7fea91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ex18 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ex18-202fa9f790089830)
[INFO] running `Command { std: "docker" "inspect" "2205c42df015489e5526d03d8640e49269ee14af3ac14e71de0c7dd45e7fea91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2205c42df015489e5526d03d8640e49269ee14af3ac14e71de0c7dd45e7fea91", kill_on_drop: false }`
[INFO] [stdout] 2205c42df015489e5526d03d8640e49269ee14af3ac14e71de0c7dd45e7fea91
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-119/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] 7b81981a274eb91a55cfe10cbc76d9f4758c90649befc6e7a1cdc69b102e3ffc
[INFO] running `Command { std: "docker" "start" "-a" "7b81981a274eb91a55cfe10cbc76d9f4758c90649befc6e7a1cdc69b102e3ffc", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ex18-202fa9f790089830)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::initiate_grid ... ok
[INFO] [stdout] test tests::getting_brightness ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7b81981a274eb91a55cfe10cbc76d9f4758c90649befc6e7a1cdc69b102e3ffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b81981a274eb91a55cfe10cbc76d9f4758c90649befc6e7a1cdc69b102e3ffc", kill_on_drop: false }`
[INFO] [stdout] 7b81981a274eb91a55cfe10cbc76d9f4758c90649befc6e7a1cdc69b102e3ffc