[INFO] cloning repository https://github.com/jakegornall/learn_structs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakegornall/learn_structs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakegornall%2Flearn_structs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakegornall%2Flearn_structs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1f0031dc44513dc5f1db1417d27c38236b4e799
[INFO] testing jakegornall/learn_structs 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%2Fjakegornall%2Flearn_structs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jakegornall/learn_structs 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/jakegornall/learn_structs
[INFO] finished tweaking git repo https://github.com/jakegornall/learn_structs
[INFO] tweaked toml for git repo https://github.com/jakegornall/learn_structs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/jakegornall/learn_structs 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]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ad07689746067f1e2627f5c759ad67bf3a2fe3461f32f776e6e3985f0945f896
[INFO] running `Command { std: "docker" "start" "-a" "ad07689746067f1e2627f5c759ad67bf3a2fe3461f32f776e6e3985f0945f896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad07689746067f1e2627f5c759ad67bf3a2fe3461f32f776e6e3985f0945f896", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad07689746067f1e2627f5c759ad67bf3a2fe3461f32f776e6e3985f0945f896", kill_on_drop: false }`
[INFO] [stdout] ad07689746067f1e2627f5c759ad67bf3a2fe3461f32f776e6e3985f0945f896
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 996d1485e4caa6714ec5962c756ff6ab8ecf1dfe9c8069c60e124d9dc57014c7
[INFO] running `Command { std: "docker" "start" "-a" "996d1485e4caa6714ec5962c756ff6ab8ecf1dfe9c8069c60e124d9dc57014c7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.24
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling learn_structs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.63s
[INFO] running `Command { std: "docker" "inspect" "996d1485e4caa6714ec5962c756ff6ab8ecf1dfe9c8069c60e124d9dc57014c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "996d1485e4caa6714ec5962c756ff6ab8ecf1dfe9c8069c60e124d9dc57014c7", kill_on_drop: false }`
[INFO] [stdout] 996d1485e4caa6714ec5962c756ff6ab8ecf1dfe9c8069c60e124d9dc57014c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] c8b7e0dad232801a829da6228bad27be9c55d45fa9efec725dc50989cc688bb9
[INFO] running `Command { std: "docker" "start" "-a" "c8b7e0dad232801a829da6228bad27be9c55d45fa9efec725dc50989cc688bb9", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_structs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] running `Command { std: "docker" "inspect" "c8b7e0dad232801a829da6228bad27be9c55d45fa9efec725dc50989cc688bb9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8b7e0dad232801a829da6228bad27be9c55d45fa9efec725dc50989cc688bb9", kill_on_drop: false }`
[INFO] [stdout] c8b7e0dad232801a829da6228bad27be9c55d45fa9efec725dc50989cc688bb9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] ce76dbfbb755fc2317d1296064c73fe5cb12dabb9bf9bbdb8c420aa463755d1b
[INFO] running `Command { std: "docker" "start" "-a" "ce76dbfbb755fc2317d1296064c73fe5cb12dabb9bf9bbdb8c420aa463755d1b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_structs-fa3db8b61aef7aab)
[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" "ce76dbfbb755fc2317d1296064c73fe5cb12dabb9bf9bbdb8c420aa463755d1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce76dbfbb755fc2317d1296064c73fe5cb12dabb9bf9bbdb8c420aa463755d1b", kill_on_drop: false }`
[INFO] [stdout] ce76dbfbb755fc2317d1296064c73fe5cb12dabb9bf9bbdb8c420aa463755d1b