[INFO] cloning repository https://github.com/tayyeb70/Arithmetic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tayyeb70/Arithmetic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftayyeb70%2FArithmetic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftayyeb70%2FArithmetic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8d1c4e12f6c7ba38771914b10d273cd2c1238a9b
[INFO] testing tayyeb70/Arithmetic against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftayyeb70%2FArithmetic" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tayyeb70/Arithmetic 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/tayyeb70/Arithmetic
[INFO] finished tweaking git repo https://github.com/tayyeb70/Arithmetic
[INFO] tweaked toml for git repo https://github.com/tayyeb70/Arithmetic written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/tayyeb70/Arithmetic 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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 8e2343bc7112006a657f5cde33af688e8e499b71b3c4d147789279f8a0643b62
[INFO] running `Command { std: "docker" "start" "-a" "8e2343bc7112006a657f5cde33af688e8e499b71b3c4d147789279f8a0643b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e2343bc7112006a657f5cde33af688e8e499b71b3c4d147789279f8a0643b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e2343bc7112006a657f5cde33af688e8e499b71b3c4d147789279f8a0643b62", kill_on_drop: false }`
[INFO] [stdout] 8e2343bc7112006a657f5cde33af688e8e499b71b3c4d147789279f8a0643b62
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 3ec21aefe3928fcd6d8e8646179841024970f9c36da88c0adc63df9b6a01e2d7
[INFO] running `Command { std: "docker" "start" "-a" "3ec21aefe3928fcd6d8e8646179841024970f9c36da88c0adc63df9b6a01e2d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "3ec21aefe3928fcd6d8e8646179841024970f9c36da88c0adc63df9b6a01e2d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ec21aefe3928fcd6d8e8646179841024970f9c36da88c0adc63df9b6a01e2d7", kill_on_drop: false }`
[INFO] [stdout] 3ec21aefe3928fcd6d8e8646179841024970f9c36da88c0adc63df9b6a01e2d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f3f387ef25918f8eca796404cee079ca5b4af9357e937b32e943c7e84d39f16
[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" "6f3f387ef25918f8eca796404cee079ca5b4af9357e937b32e943c7e84d39f16", kill_on_drop: false }`
[INFO] [stderr]    Compiling arithmetic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "6f3f387ef25918f8eca796404cee079ca5b4af9357e937b32e943c7e84d39f16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f3f387ef25918f8eca796404cee079ca5b4af9357e937b32e943c7e84d39f16", kill_on_drop: false }`
[INFO] [stdout] 6f3f387ef25918f8eca796404cee079ca5b4af9357e937b32e943c7e84d39f16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d3d99cf0a1ae729b18b94311b5ea3a41b8ce71a2b59c721ce75d2a0c75167e9e
[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" "d3d99cf0a1ae729b18b94311b5ea3a41b8ce71a2b59c721ce75d2a0c75167e9e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/arithmetic-921f2ccc8f78ae70
[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" "d3d99cf0a1ae729b18b94311b5ea3a41b8ce71a2b59c721ce75d2a0c75167e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3d99cf0a1ae729b18b94311b5ea3a41b8ce71a2b59c721ce75d2a0c75167e9e", kill_on_drop: false }`
[INFO] [stdout] d3d99cf0a1ae729b18b94311b5ea3a41b8ce71a2b59c721ce75d2a0c75167e9e