[INFO] cloning repository https://github.com/haseebulhassan-IOT/largest_character
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/haseebulhassan-IOT/largest_character" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaseebulhassan-IOT%2Flargest_character", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhaseebulhassan-IOT%2Flargest_character'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 28c6b160519d33b14e0ffdc8945a8926fe668736
[INFO] testing haseebulhassan-IOT/largest_character 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%2Fhaseebulhassan-IOT%2Flargest_character" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/haseebulhassan-IOT/largest_character 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/haseebulhassan-IOT/largest_character
[INFO] finished tweaking git repo https://github.com/haseebulhassan-IOT/largest_character
[INFO] tweaked toml for git repo https://github.com/haseebulhassan-IOT/largest_character written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/haseebulhassan-IOT/largest_character 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ba059217eef3fcfb05aaf3270acd9d43deb1f918c0c843af40996a77d119c3d6
[INFO] running `Command { std: "docker" "start" "-a" "ba059217eef3fcfb05aaf3270acd9d43deb1f918c0c843af40996a77d119c3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba059217eef3fcfb05aaf3270acd9d43deb1f918c0c843af40996a77d119c3d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba059217eef3fcfb05aaf3270acd9d43deb1f918c0c843af40996a77d119c3d6", kill_on_drop: false }`
[INFO] [stdout] ba059217eef3fcfb05aaf3270acd9d43deb1f918c0c843af40996a77d119c3d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 6d34905abb61cbcf61f18db9b73d8788c4b80cdc3f1fd04185b63f93ad0e3b81
[INFO] running `Command { std: "docker" "start" "-a" "6d34905abb61cbcf61f18db9b73d8788c4b80cdc3f1fd04185b63f93ad0e3b81", kill_on_drop: false }`
[INFO] [stderr]    Compiling largest_char v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.21s
[INFO] running `Command { std: "docker" "inspect" "6d34905abb61cbcf61f18db9b73d8788c4b80cdc3f1fd04185b63f93ad0e3b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d34905abb61cbcf61f18db9b73d8788c4b80cdc3f1fd04185b63f93ad0e3b81", kill_on_drop: false }`
[INFO] [stdout] 6d34905abb61cbcf61f18db9b73d8788c4b80cdc3f1fd04185b63f93ad0e3b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 908a78b26be0865df8f7fc5425899b6be08fdc576b9982d2556348eba0d5a636
[INFO] running `Command { std: "docker" "start" "-a" "908a78b26be0865df8f7fc5425899b6be08fdc576b9982d2556348eba0d5a636", kill_on_drop: false }`
[INFO] [stderr]    Compiling largest_char v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.58s
[INFO] running `Command { std: "docker" "inspect" "908a78b26be0865df8f7fc5425899b6be08fdc576b9982d2556348eba0d5a636", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "908a78b26be0865df8f7fc5425899b6be08fdc576b9982d2556348eba0d5a636", kill_on_drop: false }`
[INFO] [stdout] 908a78b26be0865df8f7fc5425899b6be08fdc576b9982d2556348eba0d5a636
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] cb0ebc8b70057339e408c02485f264939d48212eb23179b2f4397c258ab096cb
[INFO] running `Command { std: "docker" "start" "-a" "cb0ebc8b70057339e408c02485f264939d48212eb23179b2f4397c258ab096cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/largest_char-814b3bc2bb5b20f8)
[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" "cb0ebc8b70057339e408c02485f264939d48212eb23179b2f4397c258ab096cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb0ebc8b70057339e408c02485f264939d48212eb23179b2f4397c258ab096cb", kill_on_drop: false }`
[INFO] [stdout] cb0ebc8b70057339e408c02485f264939d48212eb23179b2f4397c258ab096cb