[INFO] cloning repository https://github.com/dylmeadows/practice-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dylmeadows/practice-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylmeadows%2Fpractice-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylmeadows%2Fpractice-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 865c54d104433fd7bf4f7f057d0863be4329ffbe
[INFO] testing dylmeadows/practice-interpreter against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdylmeadows%2Fpractice-interpreter" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dylmeadows/practice-interpreter on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dylmeadows/practice-interpreter
[INFO] finished tweaking git repo https://github.com/dylmeadows/practice-interpreter
[INFO] tweaked toml for git repo https://github.com/dylmeadows/practice-interpreter written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/dylmeadows/practice-interpreter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1f4136cf1caefd4b1f4da7a6b7f3a86661ab80818821c7819bd4512f1a621704
[INFO] running `Command { std: "docker" "start" "-a" "1f4136cf1caefd4b1f4da7a6b7f3a86661ab80818821c7819bd4512f1a621704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f4136cf1caefd4b1f4da7a6b7f3a86661ab80818821c7819bd4512f1a621704", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f4136cf1caefd4b1f4da7a6b7f3a86661ab80818821c7819bd4512f1a621704", kill_on_drop: false }`
[INFO] [stdout] 1f4136cf1caefd4b1f4da7a6b7f3a86661ab80818821c7819bd4512f1a621704
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c1e5f3324f07f4ad0b75ad9647d19f2a0f2ae73e8969bbe4afef1390d57f5b84
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c1e5f3324f07f4ad0b75ad9647d19f2a0f2ae73e8969bbe4afef1390d57f5b84", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "c1e5f3324f07f4ad0b75ad9647d19f2a0f2ae73e8969bbe4afef1390d57f5b84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1e5f3324f07f4ad0b75ad9647d19f2a0f2ae73e8969bbe4afef1390d57f5b84", kill_on_drop: false }`
[INFO] [stdout] c1e5f3324f07f4ad0b75ad9647d19f2a0f2ae73e8969bbe4afef1390d57f5b84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5557698aa9540dc090533e924ee804e8b761f7552def316dfeb04fc46fd57bb5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5557698aa9540dc090533e924ee804e8b761f7552def316dfeb04fc46fd57bb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling practice-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "5557698aa9540dc090533e924ee804e8b761f7552def316dfeb04fc46fd57bb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5557698aa9540dc090533e924ee804e8b761f7552def316dfeb04fc46fd57bb5", kill_on_drop: false }`
[INFO] [stdout] 5557698aa9540dc090533e924ee804e8b761f7552def316dfeb04fc46fd57bb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f93ab5c103ac50a7dcc30143988ab68886f18d55202f2865e8b35cf07537aca3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f93ab5c103ac50a7dcc30143988ab68886f18d55202f2865e8b35cf07537aca3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.40s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/practice_interpreter-532510b801673930
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f93ab5c103ac50a7dcc30143988ab68886f18d55202f2865e8b35cf07537aca3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93ab5c103ac50a7dcc30143988ab68886f18d55202f2865e8b35cf07537aca3", kill_on_drop: false }`
[INFO] [stdout] f93ab5c103ac50a7dcc30143988ab68886f18d55202f2865e8b35cf07537aca3