[INFO] fetching crate abstract-ref 0.1.0-alpha.1...
[INFO] testing abstract-ref-0.1.0-alpha.1 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate abstract-ref 0.1.0-alpha.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate abstract-ref 0.1.0-alpha.1 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 abstract-ref 0.1.0-alpha.1
[INFO] finished tweaking crates.io crate abstract-ref 0.1.0-alpha.1
[INFO] tweaked toml for crates.io crate abstract-ref 0.1.0-alpha.1 written to /workspace/builds/worker-77/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] [stderr]     Blocking waiting for file lock on package cache
[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-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 9fd999970ed3f950314d2200fd6f26130a9f6deb3631e9425fa2407acff11745
[INFO] running `Command { std: "docker" "start" "-a" "9fd999970ed3f950314d2200fd6f26130a9f6deb3631e9425fa2407acff11745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9fd999970ed3f950314d2200fd6f26130a9f6deb3631e9425fa2407acff11745", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9fd999970ed3f950314d2200fd6f26130a9f6deb3631e9425fa2407acff11745", kill_on_drop: false }`
[INFO] [stdout] 9fd999970ed3f950314d2200fd6f26130a9f6deb3631e9425fa2407acff11745
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 8a1a7fdf0ea4783220b43c7ee696cdfaf8dd9180d374cfe020d7b1bff7c84ed2
[INFO] running `Command { std: "docker" "start" "-a" "8a1a7fdf0ea4783220b43c7ee696cdfaf8dd9180d374cfe020d7b1bff7c84ed2", kill_on_drop: false }`
[INFO] [stderr]    Compiling abstract-ref v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "8a1a7fdf0ea4783220b43c7ee696cdfaf8dd9180d374cfe020d7b1bff7c84ed2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a1a7fdf0ea4783220b43c7ee696cdfaf8dd9180d374cfe020d7b1bff7c84ed2", kill_on_drop: false }`
[INFO] [stdout] 8a1a7fdf0ea4783220b43c7ee696cdfaf8dd9180d374cfe020d7b1bff7c84ed2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] f39071ee165c13b76b1c6b1425b5f9549f76b709b14bb8561f9020ebced99b90
[INFO] running `Command { std: "docker" "start" "-a" "f39071ee165c13b76b1c6b1425b5f9549f76b709b14bb8561f9020ebced99b90", kill_on_drop: false }`
[INFO] [stderr]    Compiling abstract-ref v0.1.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.42s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/abstract_ref-9e16eca84684c657)
[INFO] running `Command { std: "docker" "inspect" "f39071ee165c13b76b1c6b1425b5f9549f76b709b14bb8561f9020ebced99b90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f39071ee165c13b76b1c6b1425b5f9549f76b709b14bb8561f9020ebced99b90", kill_on_drop: false }`
[INFO] [stdout] f39071ee165c13b76b1c6b1425b5f9549f76b709b14bb8561f9020ebced99b90
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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] 08f97ea164063a2bc450d7bbc0d206c744064e035509f9afd7fabed757f03fd8
[INFO] running `Command { std: "docker" "start" "-a" "08f97ea164063a2bc450d7bbc0d206c744064e035509f9afd7fabed757f03fd8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 11.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/abstract_ref-9e16eca84684c657)
[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 abstract-ref
[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" "08f97ea164063a2bc450d7bbc0d206c744064e035509f9afd7fabed757f03fd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08f97ea164063a2bc450d7bbc0d206c744064e035509f9afd7fabed757f03fd8", kill_on_drop: false }`
[INFO] [stdout] 08f97ea164063a2bc450d7bbc0d206c744064e035509f9afd7fabed757f03fd8