[INFO] cloning repository https://github.com/daviddamilola/becoming-rustacean
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daviddamilola/becoming-rustacean" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviddamilola%2Fbecoming-rustacean", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviddamilola%2Fbecoming-rustacean'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1c3d938213ebf6a52e19497e110a97f05af853c7
[INFO] testing daviddamilola/becoming-rustacean against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaviddamilola%2Fbecoming-rustacean" "/workspace/builds/worker-31/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-31/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/daviddamilola/becoming-rustacean 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/daviddamilola/becoming-rustacean
[INFO] finished tweaking git repo https://github.com/daviddamilola/becoming-rustacean
[INFO] tweaked toml for git repo https://github.com/daviddamilola/becoming-rustacean written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] crate git repo https://github.com/daviddamilola/becoming-rustacean 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] [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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] b8cf2f13e068fbdc17aea50bbde5b1cbdef5a5859135acd7ac1a13053f88fe51
[INFO] running `Command { std: "docker" "start" "-a" "b8cf2f13e068fbdc17aea50bbde5b1cbdef5a5859135acd7ac1a13053f88fe51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8cf2f13e068fbdc17aea50bbde5b1cbdef5a5859135acd7ac1a13053f88fe51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8cf2f13e068fbdc17aea50bbde5b1cbdef5a5859135acd7ac1a13053f88fe51", kill_on_drop: false }`
[INFO] [stdout] b8cf2f13e068fbdc17aea50bbde5b1cbdef5a5859135acd7ac1a13053f88fe51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] ea1aa48631e1cb3bbf8fd235142f64e8f253a4a5b49c3ec3b3bb80ce51eaa09b
[INFO] running `Command { std: "docker" "start" "-a" "ea1aa48631e1cb3bbf8fd235142f64e8f253a4a5b49c3ec3b3bb80ce51eaa09b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand v0.5.6
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.85s
[INFO] running `Command { std: "docker" "inspect" "ea1aa48631e1cb3bbf8fd235142f64e8f253a4a5b49c3ec3b3bb80ce51eaa09b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea1aa48631e1cb3bbf8fd235142f64e8f253a4a5b49c3ec3b3bb80ce51eaa09b", kill_on_drop: false }`
[INFO] [stdout] ea1aa48631e1cb3bbf8fd235142f64e8f253a4a5b49c3ec3b3bb80ce51eaa09b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] ad6ebf395e6342c69a8f44135e351798d9cc55ec9f96fa91f5de2f1f8e80e965
[INFO] running `Command { std: "docker" "start" "-a" "ad6ebf395e6342c69a8f44135e351798d9cc55ec9f96fa91f5de2f1f8e80e965", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guessing_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "ad6ebf395e6342c69a8f44135e351798d9cc55ec9f96fa91f5de2f1f8e80e965", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad6ebf395e6342c69a8f44135e351798d9cc55ec9f96fa91f5de2f1f8e80e965", kill_on_drop: false }`
[INFO] [stdout] ad6ebf395e6342c69a8f44135e351798d9cc55ec9f96fa91f5de2f1f8e80e965
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] d70db37c65914d83ab2f81809c0bcf929d67d93ddcac875e7ff8945112eb105c
[INFO] running `Command { std: "docker" "start" "-a" "d70db37c65914d83ab2f81809c0bcf929d67d93ddcac875e7ff8945112eb105c", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/guessing_game-350b6a67bab48470)
[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" "d70db37c65914d83ab2f81809c0bcf929d67d93ddcac875e7ff8945112eb105c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d70db37c65914d83ab2f81809c0bcf929d67d93ddcac875e7ff8945112eb105c", kill_on_drop: false }`
[INFO] [stdout] d70db37c65914d83ab2f81809c0bcf929d67d93ddcac875e7ff8945112eb105c