[INFO] cloning repository https://github.com/Shaistaaman/check
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Shaistaaman/check" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaistaaman%2Fcheck", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaistaaman%2Fcheck'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f457f9cb16087192b9fa3c79cac175411fe0bb2b
[INFO] testing Shaistaaman/check against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FShaistaaman%2Fcheck" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Shaistaaman/check on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Shaistaaman/check
[INFO] finished tweaking git repo https://github.com/Shaistaaman/check
[INFO] tweaked toml for git repo https://github.com/Shaistaaman/check written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Shaistaaman/check already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c0e63f8adb523298a4c9684db9125287ae44a0c89072caeeb5c96f9c154f47e
[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" "1c0e63f8adb523298a4c9684db9125287ae44a0c89072caeeb5c96f9c154f47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c0e63f8adb523298a4c9684db9125287ae44a0c89072caeeb5c96f9c154f47e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c0e63f8adb523298a4c9684db9125287ae44a0c89072caeeb5c96f9c154f47e", kill_on_drop: false }`
[INFO] [stdout] 1c0e63f8adb523298a4c9684db9125287ae44a0c89072caeeb5c96f9c154f47e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74938b3896bd0b442a27622bf9bd308c34fe20d2ad69fec979437373a4d58dd2
[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" "74938b3896bd0b442a27622bf9bd308c34fe20d2ad69fec979437373a4d58dd2", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling matchingguess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.59s
[INFO] running `Command { std: "docker" "inspect" "74938b3896bd0b442a27622bf9bd308c34fe20d2ad69fec979437373a4d58dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74938b3896bd0b442a27622bf9bd308c34fe20d2ad69fec979437373a4d58dd2", kill_on_drop: false }`
[INFO] [stdout] 74938b3896bd0b442a27622bf9bd308c34fe20d2ad69fec979437373a4d58dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", 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] 1f508c6fdec8fe9008096a50b415055f86f7890499a1bbdc4316853f56a15148
[INFO] running `Command { std: "docker" "start" "-a" "1f508c6fdec8fe9008096a50b415055f86f7890499a1bbdc4316853f56a15148", kill_on_drop: false }`
[INFO] [stderr]    Compiling matchingguess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.12s
[INFO] running `Command { std: "docker" "inspect" "1f508c6fdec8fe9008096a50b415055f86f7890499a1bbdc4316853f56a15148", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f508c6fdec8fe9008096a50b415055f86f7890499a1bbdc4316853f56a15148", kill_on_drop: false }`
[INFO] [stdout] 1f508c6fdec8fe9008096a50b415055f86f7890499a1bbdc4316853f56a15148
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5259bf2973cf669390087023064245e7bced5d8cc5b340891cfb8c16cb43c4dd
[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" "5259bf2973cf669390087023064245e7bced5d8cc5b340891cfb8c16cb43c4dd", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/matchingguess-b46b958e1d4f40fd
[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" "5259bf2973cf669390087023064245e7bced5d8cc5b340891cfb8c16cb43c4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5259bf2973cf669390087023064245e7bced5d8cc5b340891cfb8c16cb43c4dd", kill_on_drop: false }`
[INFO] [stdout] 5259bf2973cf669390087023064245e7bced5d8cc5b340891cfb8c16cb43c4dd