[INFO] cloning repository https://github.com/sdbondi/rust-concurrency-examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sdbondi/rust-concurrency-examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Frust-concurrency-examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsdbondi%2Frust-concurrency-examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ad950a5e3c0e31b19228510e888af365dc29487d
[INFO] testing sdbondi/rust-concurrency-examples 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%2Fsdbondi%2Frust-concurrency-examples" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sdbondi/rust-concurrency-examples 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/sdbondi/rust-concurrency-examples
[INFO] finished tweaking git repo https://github.com/sdbondi/rust-concurrency-examples
[INFO] tweaked toml for git repo https://github.com/sdbondi/rust-concurrency-examples written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/sdbondi/rust-concurrency-examples 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 285c9c7c10f652cf33076a01d9318ca6f9b83bf2ce1d27d434ea8aeb351b15ab
[INFO] running `Command { std: "docker" "start" "-a" "285c9c7c10f652cf33076a01d9318ca6f9b83bf2ce1d27d434ea8aeb351b15ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "285c9c7c10f652cf33076a01d9318ca6f9b83bf2ce1d27d434ea8aeb351b15ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "285c9c7c10f652cf33076a01d9318ca6f9b83bf2ce1d27d434ea8aeb351b15ab", kill_on_drop: false }`
[INFO] [stdout] 285c9c7c10f652cf33076a01d9318ca6f9b83bf2ce1d27d434ea8aeb351b15ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 0fcbcdcaf6912cc07550be23cb4b8f382c384eb838ec85763947081e17946ecb
[INFO] running `Command { std: "docker" "start" "-a" "0fcbcdcaf6912cc07550be23cb4b8f382c384eb838ec85763947081e17946ecb", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.34s
[INFO] running `Command { std: "docker" "inspect" "0fcbcdcaf6912cc07550be23cb4b8f382c384eb838ec85763947081e17946ecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fcbcdcaf6912cc07550be23cb4b8f382c384eb838ec85763947081e17946ecb", kill_on_drop: false }`
[INFO] [stdout] 0fcbcdcaf6912cc07550be23cb4b8f382c384eb838ec85763947081e17946ecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] 5376855aec5bdf0114bb365ac802e619be67709d95e7b996a4b6bb6439e7cbf1
[INFO] running `Command { std: "docker" "start" "-a" "5376855aec5bdf0114bb365ac802e619be67709d95e7b996a4b6bb6439e7cbf1", kill_on_drop: false }`
[INFO] [stderr]    Compiling concurrency v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.00s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency-cef0ce0fc9979ac1)
[INFO] running `Command { std: "docker" "inspect" "5376855aec5bdf0114bb365ac802e619be67709d95e7b996a4b6bb6439e7cbf1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5376855aec5bdf0114bb365ac802e619be67709d95e7b996a4b6bb6439e7cbf1", kill_on_drop: false }`
[INFO] [stdout] 5376855aec5bdf0114bb365ac802e619be67709d95e7b996a4b6bb6439e7cbf1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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] bf41205e7a8ba4cd333bc7d5e025a4cc6be3d4425bece4691057a4de9ae6351f
[INFO] running `Command { std: "docker" "start" "-a" "bf41205e7a8ba4cd333bc7d5e025a4cc6be3d4425bece4691057a4de9ae6351f", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/concurrency-cef0ce0fc9979ac1)
[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" "bf41205e7a8ba4cd333bc7d5e025a4cc6be3d4425bece4691057a4de9ae6351f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf41205e7a8ba4cd333bc7d5e025a4cc6be3d4425bece4691057a4de9ae6351f", kill_on_drop: false }`
[INFO] [stdout] bf41205e7a8ba4cd333bc7d5e025a4cc6be3d4425bece4691057a4de9ae6351f