[INFO] fetching crate duplex 0.12.0...
[INFO] testing duplex-0.12.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate duplex 0.12.0 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate duplex 0.12.0 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 crates.io crate duplex 0.12.0
[INFO] finished tweaking crates.io crate duplex 0.12.0
[INFO] tweaked toml for crates.io crate duplex 0.12.0 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 55826a6f9813766c277383ce59af67c1961fb1a51d5fa318a560a906f01d59d3
[INFO] running `Command { std: "docker" "start" "-a" "55826a6f9813766c277383ce59af67c1961fb1a51d5fa318a560a906f01d59d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55826a6f9813766c277383ce59af67c1961fb1a51d5fa318a560a906f01d59d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55826a6f9813766c277383ce59af67c1961fb1a51d5fa318a560a906f01d59d3", kill_on_drop: false }`
[INFO] [stdout] 55826a6f9813766c277383ce59af67c1961fb1a51d5fa318a560a906f01d59d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] b3fd7d515cbbfca5167b88226a7656ee6f48589baa6c85e81ac017c1f33e8234
[INFO] running `Command { std: "docker" "start" "-a" "b3fd7d515cbbfca5167b88226a7656ee6f48589baa6c85e81ac017c1f33e8234", kill_on_drop: false }`
[INFO] [stderr]    Compiling duplex v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "b3fd7d515cbbfca5167b88226a7656ee6f48589baa6c85e81ac017c1f33e8234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b3fd7d515cbbfca5167b88226a7656ee6f48589baa6c85e81ac017c1f33e8234", kill_on_drop: false }`
[INFO] [stdout] b3fd7d515cbbfca5167b88226a7656ee6f48589baa6c85e81ac017c1f33e8234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 060d3117349920ec859a528348aec53dfd33fd3b8a524850a966ccb448bb7e81
[INFO] running `Command { std: "docker" "start" "-a" "060d3117349920ec859a528348aec53dfd33fd3b8a524850a966ccb448bb7e81", kill_on_drop: false }`
[INFO] [stderr]    Compiling duplex v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/duplex-6a206d14a0dc501e)
[INFO] running `Command { std: "docker" "inspect" "060d3117349920ec859a528348aec53dfd33fd3b8a524850a966ccb448bb7e81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060d3117349920ec859a528348aec53dfd33fd3b8a524850a966ccb448bb7e81", kill_on_drop: false }`
[INFO] [stdout] 060d3117349920ec859a528348aec53dfd33fd3b8a524850a966ccb448bb7e81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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] 5816c471e34a371dafc054940e14998b2b18986a204ea8544ffde58633c0c561
[INFO] running `Command { std: "docker" "start" "-a" "5816c471e34a371dafc054940e14998b2b18986a204ea8544ffde58633c0c561", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.30s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/duplex-6a206d14a0dc501e)
[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] [stderr]    Doc-tests duplex
[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" "5816c471e34a371dafc054940e14998b2b18986a204ea8544ffde58633c0c561", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5816c471e34a371dafc054940e14998b2b18986a204ea8544ffde58633c0c561", kill_on_drop: false }`
[INFO] [stdout] 5816c471e34a371dafc054940e14998b2b18986a204ea8544ffde58633c0c561