[INFO] cloning repository https://github.com/Ulbora/rust_polymorphism
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ulbora/rust_polymorphism" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUlbora%2Frust_polymorphism", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUlbora%2Frust_polymorphism'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 222cc98ed5407b4819c7ef8f9dbebefa014f1329
[INFO] testing Ulbora/rust_polymorphism against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FUlbora%2Frust_polymorphism" "/workspace/builds/worker-16/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-16/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ulbora/rust_polymorphism on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ulbora/rust_polymorphism
[INFO] finished tweaking git repo https://github.com/Ulbora/rust_polymorphism
[INFO] tweaked toml for git repo https://github.com/Ulbora/rust_polymorphism written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate git repo https://github.com/Ulbora/rust_polymorphism already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b86b3cd0fced86f118db28d31ed31f79688e844a656325cf0c2229c792472901
[INFO] running `Command { std: "docker" "start" "-a" "b86b3cd0fced86f118db28d31ed31f79688e844a656325cf0c2229c792472901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b86b3cd0fced86f118db28d31ed31f79688e844a656325cf0c2229c792472901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86b3cd0fced86f118db28d31ed31f79688e844a656325cf0c2229c792472901", kill_on_drop: false }`
[INFO] [stdout] b86b3cd0fced86f118db28d31ed31f79688e844a656325cf0c2229c792472901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51372cd583f113b7c6cf60c9fd48dfe51507982ae45047c06b111e9bc61184af
[INFO] running `Command { std: "docker" "start" "-a" "51372cd583f113b7c6cf60c9fd48dfe51507982ae45047c06b111e9bc61184af", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "51372cd583f113b7c6cf60c9fd48dfe51507982ae45047c06b111e9bc61184af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51372cd583f113b7c6cf60c9fd48dfe51507982ae45047c06b111e9bc61184af", kill_on_drop: false }`
[INFO] [stdout] 51372cd583f113b7c6cf60c9fd48dfe51507982ae45047c06b111e9bc61184af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 812ca49a664c39102ef05594218782d2824bd709ebbfd0b0ff5cfd180d6b8a89
[INFO] running `Command { std: "docker" "start" "-a" "812ca49a664c39102ef05594218782d2824bd709ebbfd0b0ff5cfd180d6b8a89", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling poly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/poly-2f61ec9d5ea53e87)
[INFO] running `Command { std: "docker" "inspect" "812ca49a664c39102ef05594218782d2824bd709ebbfd0b0ff5cfd180d6b8a89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "812ca49a664c39102ef05594218782d2824bd709ebbfd0b0ff5cfd180d6b8a89", kill_on_drop: false }`
[INFO] [stdout] 812ca49a664c39102ef05594218782d2824bd709ebbfd0b0ff5cfd180d6b8a89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b07e2b846a63732aa38ae03afcc0bce2d80b68d2c7055e67e80167b3ee0b6fba
[INFO] running `Command { std: "docker" "start" "-a" "b07e2b846a63732aa38ae03afcc0bce2d80b68d2c7055e67e80167b3ee0b6fba", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/poly-2f61ec9d5ea53e87)
[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" "b07e2b846a63732aa38ae03afcc0bce2d80b68d2c7055e67e80167b3ee0b6fba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b07e2b846a63732aa38ae03afcc0bce2d80b68d2c7055e67e80167b3ee0b6fba", kill_on_drop: false }`
[INFO] [stdout] b07e2b846a63732aa38ae03afcc0bce2d80b68d2c7055e67e80167b3ee0b6fba