[INFO] cloning repository https://github.com/ostanioni/rust_playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ostanioni/rust_playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fostanioni%2Frust_playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fostanioni%2Frust_playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e25cbe1c25e93b0dc896643bd0ec16584de0fb69
[INFO] testing ostanioni/rust_playground 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%2Fostanioni%2Frust_playground" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ostanioni/rust_playground 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/ostanioni/rust_playground
[INFO] finished tweaking git repo https://github.com/ostanioni/rust_playground
[INFO] tweaked toml for git repo https://github.com/ostanioni/rust_playground written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ostanioni/rust_playground 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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] dfbaf7f85793fc7b9a842586aa6a1b0321c2b0d54a1cfcb6689c79165ae9bfbd
[INFO] running `Command { std: "docker" "start" "-a" "dfbaf7f85793fc7b9a842586aa6a1b0321c2b0d54a1cfcb6689c79165ae9bfbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfbaf7f85793fc7b9a842586aa6a1b0321c2b0d54a1cfcb6689c79165ae9bfbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfbaf7f85793fc7b9a842586aa6a1b0321c2b0d54a1cfcb6689c79165ae9bfbd", kill_on_drop: false }`
[INFO] [stdout] dfbaf7f85793fc7b9a842586aa6a1b0321c2b0d54a1cfcb6689c79165ae9bfbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 6a4b6bf4904a727edc3c08e3c11d53469d309a6cf521f753b57045f500bbc139
[INFO] running `Command { std: "docker" "start" "-a" "6a4b6bf4904a727edc3c08e3c11d53469d309a6cf521f753b57045f500bbc139", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `Command { std: "docker" "inspect" "6a4b6bf4904a727edc3c08e3c11d53469d309a6cf521f753b57045f500bbc139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a4b6bf4904a727edc3c08e3c11d53469d309a6cf521f753b57045f500bbc139", kill_on_drop: false }`
[INFO] [stdout] 6a4b6bf4904a727edc3c08e3c11d53469d309a6cf521f753b57045f500bbc139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] 32a34499858e8a9af3d062332573b44159293ba97c9f2748cbeb12183752c7fb
[INFO] running `Command { std: "docker" "start" "-a" "32a34499858e8a9af3d062332573b44159293ba97c9f2748cbeb12183752c7fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling hello_cargo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.27s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-762aea2865690774)
[INFO] running `Command { std: "docker" "inspect" "32a34499858e8a9af3d062332573b44159293ba97c9f2748cbeb12183752c7fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32a34499858e8a9af3d062332573b44159293ba97c9f2748cbeb12183752c7fb", kill_on_drop: false }`
[INFO] [stdout] 32a34499858e8a9af3d062332573b44159293ba97c9f2748cbeb12183752c7fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ee718a48082b61e915fc8a5023e5af12157062981bc5ddd75b3f90ddf1c2ce23
[INFO] running `Command { std: "docker" "start" "-a" "ee718a48082b61e915fc8a5023e5af12157062981bc5ddd75b3f90ddf1c2ce23", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/hello_cargo-762aea2865690774)
[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" "ee718a48082b61e915fc8a5023e5af12157062981bc5ddd75b3f90ddf1c2ce23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee718a48082b61e915fc8a5023e5af12157062981bc5ddd75b3f90ddf1c2ce23", kill_on_drop: false }`
[INFO] [stdout] ee718a48082b61e915fc8a5023e5af12157062981bc5ddd75b3f90ddf1c2ce23