[INFO] cloning repository https://github.com/mudassirahmad/question3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mudassirahmad/question3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmudassirahmad%2Fquestion3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmudassirahmad%2Fquestion3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7749ba0fcf9407886d2e5c6df5903ad8aef95eaf
[INFO] testing mudassirahmad/question3 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmudassirahmad%2Fquestion3" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mudassirahmad/question3 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mudassirahmad/question3
[INFO] finished tweaking git repo https://github.com/mudassirahmad/question3
[INFO] tweaked toml for git repo https://github.com/mudassirahmad/question3 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/mudassirahmad/question3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "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-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8bc76ef24f7c52fc290b28bd1cbda295f72e4b124adb6464ce64c784850b35db
[INFO] running `Command { std: "docker" "start" "-a" "8bc76ef24f7c52fc290b28bd1cbda295f72e4b124adb6464ce64c784850b35db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8bc76ef24f7c52fc290b28bd1cbda295f72e4b124adb6464ce64c784850b35db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc76ef24f7c52fc290b28bd1cbda295f72e4b124adb6464ce64c784850b35db", kill_on_drop: false }`
[INFO] [stdout] 8bc76ef24f7c52fc290b28bd1cbda295f72e4b124adb6464ce64c784850b35db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b404cd7e87a810ea39e66a5455d6ba251485632bbdd24ef86ecf8c98a70689a6
[INFO] running `Command { std: "docker" "start" "-a" "b404cd7e87a810ea39e66a5455d6ba251485632bbdd24ef86ecf8c98a70689a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling func_call v0.1.0 (/opt/rustwide/workdir/func_call)
[INFO] [stderr]    Compiling question_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "b404cd7e87a810ea39e66a5455d6ba251485632bbdd24ef86ecf8c98a70689a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b404cd7e87a810ea39e66a5455d6ba251485632bbdd24ef86ecf8c98a70689a6", kill_on_drop: false }`
[INFO] [stdout] b404cd7e87a810ea39e66a5455d6ba251485632bbdd24ef86ecf8c98a70689a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0971c48349b74828ca50bc1d46366dd565ad47101a8648b2882e1199e95fc6e
[INFO] running `Command { std: "docker" "start" "-a" "d0971c48349b74828ca50bc1d46366dd565ad47101a8648b2882e1199e95fc6e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling question_3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.60s
[INFO] running `Command { std: "docker" "inspect" "d0971c48349b74828ca50bc1d46366dd565ad47101a8648b2882e1199e95fc6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0971c48349b74828ca50bc1d46366dd565ad47101a8648b2882e1199e95fc6e", kill_on_drop: false }`
[INFO] [stdout] d0971c48349b74828ca50bc1d46366dd565ad47101a8648b2882e1199e95fc6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df1fa82a61de32ddf7b8842e285c56ae883021048e6f8031bdafc916c97d4e3d
[INFO] running `Command { std: "docker" "start" "-a" "df1fa82a61de32ddf7b8842e285c56ae883021048e6f8031bdafc916c97d4e3d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/question_3-b1ef69831d34ef14)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "df1fa82a61de32ddf7b8842e285c56ae883021048e6f8031bdafc916c97d4e3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df1fa82a61de32ddf7b8842e285c56ae883021048e6f8031bdafc916c97d4e3d", kill_on_drop: false }`
[INFO] [stdout] df1fa82a61de32ddf7b8842e285c56ae883021048e6f8031bdafc916c97d4e3d