[INFO] updating cached repository https://github.com/Mufassar/Assignment7_Q3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fad75e5fd6281928fd287bbc7d54857a230df95c
[INFO] testing Mufassar/Assignment7_Q3 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%2FMufassar%2FAssignment7_Q3" "/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/Mufassar/Assignment7_Q3 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/Mufassar/Assignment7_Q3
[INFO] finished tweaking git repo https://github.com/Mufassar/Assignment7_Q3
[INFO] tweaked toml for git repo https://github.com/Mufassar/Assignment7_Q3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/Mufassar/Assignment7_Q3 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-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" "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] [stdout] a139434af2860368a75497a198d92c3d0794cb7f89f119ebe418d2b358912b95
[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" "a139434af2860368a75497a198d92c3d0794cb7f89f119ebe418d2b358912b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a139434af2860368a75497a198d92c3d0794cb7f89f119ebe418d2b358912b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a139434af2860368a75497a198d92c3d0794cb7f89f119ebe418d2b358912b95", kill_on_drop: false }`
[INFO] [stdout] a139434af2860368a75497a198d92c3d0794cb7f89f119ebe418d2b358912b95
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 2e3fda3a7834c97eb5e3669d5be469961395f907c4354399fb221257a396d8b4
[INFO] running `Command { std: "docker" "start" "-a" "2e3fda3a7834c97eb5e3669d5be469961395f907c4354399fb221257a396d8b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment7_q3_lib v0.1.0 (https://github.com/Mufassar/assignment7_q3_lib.git#cb9ef856)
[INFO] [stderr]    Compiling assignment7_q3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "2e3fda3a7834c97eb5e3669d5be469961395f907c4354399fb221257a396d8b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e3fda3a7834c97eb5e3669d5be469961395f907c4354399fb221257a396d8b4", kill_on_drop: false }`
[INFO] [stdout] 2e3fda3a7834c97eb5e3669d5be469961395f907c4354399fb221257a396d8b4
[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" "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] 386aabea9f9e3258b9fa0a373adcc3f397a09ccbe50106a11435afc2d8eea057
[INFO] running `Command { std: "docker" "start" "-a" "386aabea9f9e3258b9fa0a373adcc3f397a09ccbe50106a11435afc2d8eea057", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment7_q3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "386aabea9f9e3258b9fa0a373adcc3f397a09ccbe50106a11435afc2d8eea057", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "386aabea9f9e3258b9fa0a373adcc3f397a09ccbe50106a11435afc2d8eea057", kill_on_drop: false }`
[INFO] [stdout] 386aabea9f9e3258b9fa0a373adcc3f397a09ccbe50106a11435afc2d8eea057
[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" "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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 44787864dccc9708a412e7169a5934d97eb9d89627c266d763d5d834073a5d7f
[INFO] running `Command { std: "docker" "start" "-a" "44787864dccc9708a412e7169a5934d97eb9d89627c266d763d5d834073a5d7f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/assignment7_q3-a4c0e745442e0e11
[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" "44787864dccc9708a412e7169a5934d97eb9d89627c266d763d5d834073a5d7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44787864dccc9708a412e7169a5934d97eb9d89627c266d763d5d834073a5d7f", kill_on_drop: false }`
[INFO] [stdout] 44787864dccc9708a412e7169a5934d97eb9d89627c266d763d5d834073a5d7f