[INFO] cloning repository https://github.com/rameezfayyaz/assignment_7
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rameezfayyaz/assignment_7" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frameezfayyaz%2Fassignment_7", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frameezfayyaz%2Fassignment_7'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b27995f36d35a94cf7a774346882a743f70009bb
[INFO] testing rameezfayyaz/assignment_7 against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frameezfayyaz%2Fassignment_7" "/workspace/builds/worker-87/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-87/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rameezfayyaz/assignment_7 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rameezfayyaz/assignment_7
[INFO] finished tweaking git repo https://github.com/rameezfayyaz/assignment_7
[INFO] tweaked toml for git repo https://github.com/rameezfayyaz/assignment_7 written to /workspace/builds/worker-87/source/Cargo.toml
[INFO] crate git repo https://github.com/rameezfayyaz/assignment_7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c92df59e981897fb6a7d55e943ffa9525acce1e04370a227f36932c06e4352c
[INFO] running `Command { std: "docker" "start" "-a" "2c92df59e981897fb6a7d55e943ffa9525acce1e04370a227f36932c06e4352c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c92df59e981897fb6a7d55e943ffa9525acce1e04370a227f36932c06e4352c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c92df59e981897fb6a7d55e943ffa9525acce1e04370a227f36932c06e4352c", kill_on_drop: false }`
[INFO] [stdout] 2c92df59e981897fb6a7d55e943ffa9525acce1e04370a227f36932c06e4352c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c861912b545eee5e9f5cea60b2714a5c37f052bbbfafa00554f8bae193d7619
[INFO] running `Command { std: "docker" "start" "-a" "8c861912b545eee5e9f5cea60b2714a5c37f052bbbfafa00554f8bae193d7619", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling guest v0.1.0 (/opt/rustwide/workdir/guest)
[INFO] [stderr]    Compiling assignment7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `Command { std: "docker" "inspect" "8c861912b545eee5e9f5cea60b2714a5c37f052bbbfafa00554f8bae193d7619", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c861912b545eee5e9f5cea60b2714a5c37f052bbbfafa00554f8bae193d7619", kill_on_drop: false }`
[INFO] [stdout] 8c861912b545eee5e9f5cea60b2714a5c37f052bbbfafa00554f8bae193d7619
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4ba3916a8db54a603f14599b516d91ea99ab5406bd7bf200f98ef27a2994ebd
[INFO] running `Command { std: "docker" "start" "-a" "b4ba3916a8db54a603f14599b516d91ea99ab5406bd7bf200f98ef27a2994ebd", kill_on_drop: false }`
[INFO] [stderr]    Compiling assignment7 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "b4ba3916a8db54a603f14599b516d91ea99ab5406bd7bf200f98ef27a2994ebd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4ba3916a8db54a603f14599b516d91ea99ab5406bd7bf200f98ef27a2994ebd", kill_on_drop: false }`
[INFO] [stdout] b4ba3916a8db54a603f14599b516d91ea99ab5406bd7bf200f98ef27a2994ebd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-87/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1165a07bdc17e2c94d2d593d25bc7336bda8dd6249e961ec33676b4db47ed16d
[INFO] running `Command { std: "docker" "start" "-a" "1165a07bdc17e2c94d2d593d25bc7336bda8dd6249e961ec33676b4db47ed16d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 17.93s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/assignment7-be3010360c891745)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/assignment7-a37ffa0feeb42a5b)
[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] [stderr]    Doc-tests assignment7
[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] [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" "1165a07bdc17e2c94d2d593d25bc7336bda8dd6249e961ec33676b4db47ed16d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1165a07bdc17e2c94d2d593d25bc7336bda8dd6249e961ec33676b4db47ed16d", kill_on_drop: false }`
[INFO] [stdout] 1165a07bdc17e2c94d2d593d25bc7336bda8dd6249e961ec33676b4db47ed16d