[INFO] cloning repository https://github.com/mehakfatimaq/codetask4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mehakfatimaq/codetask4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehakfatimaq%2Fcodetask4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmehakfatimaq%2Fcodetask4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7afdd62103b551905b6737f2a1f280f95f34b6a0
[INFO] testing mehakfatimaq/codetask4 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%2Fmehakfatimaq%2Fcodetask4" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mehakfatimaq/codetask4 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/mehakfatimaq/codetask4
[INFO] finished tweaking git repo https://github.com/mehakfatimaq/codetask4
[INFO] tweaked toml for git repo https://github.com/mehakfatimaq/codetask4 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mehakfatimaq/codetask4 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-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c325dd011b175b1cb5d3cfaf96ff6184bb91d7223d29cbb3beafe3c2c86395b1
[INFO] running `Command { std: "docker" "start" "-a" "c325dd011b175b1cb5d3cfaf96ff6184bb91d7223d29cbb3beafe3c2c86395b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c325dd011b175b1cb5d3cfaf96ff6184bb91d7223d29cbb3beafe3c2c86395b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c325dd011b175b1cb5d3cfaf96ff6184bb91d7223d29cbb3beafe3c2c86395b1", kill_on_drop: false }`
[INFO] [stdout] c325dd011b175b1cb5d3cfaf96ff6184bb91d7223d29cbb3beafe3c2c86395b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 2b916e4106fbfe9806bcb9404bd5e1800d37eeb100dffc66d06afdd7d4bacd11
[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" "2b916e4106fbfe9806bcb9404bd5e1800d37eeb100dffc66d06afdd7d4bacd11", kill_on_drop: false }`
[INFO] [stderr]    Compiling task4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `Command { std: "docker" "inspect" "2b916e4106fbfe9806bcb9404bd5e1800d37eeb100dffc66d06afdd7d4bacd11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b916e4106fbfe9806bcb9404bd5e1800d37eeb100dffc66d06afdd7d4bacd11", kill_on_drop: false }`
[INFO] [stdout] 2b916e4106fbfe9806bcb9404bd5e1800d37eeb100dffc66d06afdd7d4bacd11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6b0d79daf6e9449c88601edfabbfd1fbb8e80766fd2ba88f85929ce11dfdc2de
[INFO] running `Command { std: "docker" "start" "-a" "6b0d79daf6e9449c88601edfabbfd1fbb8e80766fd2ba88f85929ce11dfdc2de", kill_on_drop: false }`
[INFO] [stderr]    Compiling task4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "6b0d79daf6e9449c88601edfabbfd1fbb8e80766fd2ba88f85929ce11dfdc2de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6b0d79daf6e9449c88601edfabbfd1fbb8e80766fd2ba88f85929ce11dfdc2de", kill_on_drop: false }`
[INFO] [stdout] 6b0d79daf6e9449c88601edfabbfd1fbb8e80766fd2ba88f85929ce11dfdc2de
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] fd41e5180c36ff80334b7361b09508a1a25913c0d01644b607fa3ac104a2099a
[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" "fd41e5180c36ff80334b7361b09508a1a25913c0d01644b607fa3ac104a2099a", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/task4-c98dfca287346dcf
[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" "fd41e5180c36ff80334b7361b09508a1a25913c0d01644b607fa3ac104a2099a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd41e5180c36ff80334b7361b09508a1a25913c0d01644b607fa3ac104a2099a", kill_on_drop: false }`
[INFO] [stdout] fd41e5180c36ff80334b7361b09508a1a25913c0d01644b607fa3ac104a2099a