[INFO] cloning repository https://github.com/NoahTheDuke/rust_ackermann
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NoahTheDuke/rust_ackermann" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_ackermann", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_ackermann'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5253f63b823de6ed03cb5f63bf028e1dd3cc3424
[INFO] testing NoahTheDuke/rust_ackermann against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNoahTheDuke%2Frust_ackermann" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NoahTheDuke/rust_ackermann on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/NoahTheDuke/rust_ackermann
[INFO] finished tweaking git repo https://github.com/NoahTheDuke/rust_ackermann
[INFO] tweaked toml for git repo https://github.com/NoahTheDuke/rust_ackermann written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/NoahTheDuke/rust_ackermann already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d32ea929d2277c529c95c10a7480bf6360fde81fd62f595584b28391fa74d7ae
[INFO] running `Command { std: "docker" "start" "-a" "d32ea929d2277c529c95c10a7480bf6360fde81fd62f595584b28391fa74d7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d32ea929d2277c529c95c10a7480bf6360fde81fd62f595584b28391fa74d7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32ea929d2277c529c95c10a7480bf6360fde81fd62f595584b28391fa74d7ae", kill_on_drop: false }`
[INFO] [stdout] d32ea929d2277c529c95c10a7480bf6360fde81fd62f595584b28391fa74d7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d3681167d2fb144bae09875e378c45975d6b4f0e5c4c964772f7d3921e8ac40
[INFO] running `Command { std: "docker" "start" "-a" "5d3681167d2fb144bae09875e378c45975d6b4f0e5c4c964772f7d3921e8ac40", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]    Compiling lazy_static v1.0.0
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling ackermann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.10s
[INFO] running `Command { std: "docker" "inspect" "5d3681167d2fb144bae09875e378c45975d6b4f0e5c4c964772f7d3921e8ac40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d3681167d2fb144bae09875e378c45975d6b4f0e5c4c964772f7d3921e8ac40", kill_on_drop: false }`
[INFO] [stdout] 5d3681167d2fb144bae09875e378c45975d6b4f0e5c4c964772f7d3921e8ac40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39f2ed5695860e72f2679d204e18c960425d8a65119537962721dd294f1cf9f5
[INFO] running `Command { std: "docker" "start" "-a" "39f2ed5695860e72f2679d204e18c960425d8a65119537962721dd294f1cf9f5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ackermann v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.14s
[INFO] running `Command { std: "docker" "inspect" "39f2ed5695860e72f2679d204e18c960425d8a65119537962721dd294f1cf9f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39f2ed5695860e72f2679d204e18c960425d8a65119537962721dd294f1cf9f5", kill_on_drop: false }`
[INFO] [stdout] 39f2ed5695860e72f2679d204e18c960425d8a65119537962721dd294f1cf9f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b3adfa7ac28edae9dc5fffd7e9f2efb7edb673d6914584124b2e703c44c06273
[INFO] running `Command { std: "docker" "start" "-a" "b3adfa7ac28edae9dc5fffd7e9f2efb7edb673d6914584124b2e703c44c06273", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ackermann-30964f838ed5e4b7)
[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" "b3adfa7ac28edae9dc5fffd7e9f2efb7edb673d6914584124b2e703c44c06273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3adfa7ac28edae9dc5fffd7e9f2efb7edb673d6914584124b2e703c44c06273", kill_on_drop: false }`
[INFO] [stdout] b3adfa7ac28edae9dc5fffd7e9f2efb7edb673d6914584124b2e703c44c06273