[INFO] fetching crate flush 0.1.0...
[INFO] testing flush-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate flush 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate flush 0.1.0 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 flush 0.1.0
[INFO] finished tweaking crates.io crate flush 0.1.0
[INFO] tweaked toml for crates.io crate flush 0.1.0 written to /workspace/builds/worker-42/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 861e8f11afb0415717c5039825a58f99fedf58fa684bbaf915acaf55caa8da7d
[INFO] running `Command { std: "docker" "start" "-a" "861e8f11afb0415717c5039825a58f99fedf58fa684bbaf915acaf55caa8da7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "861e8f11afb0415717c5039825a58f99fedf58fa684bbaf915acaf55caa8da7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "861e8f11afb0415717c5039825a58f99fedf58fa684bbaf915acaf55caa8da7d", kill_on_drop: false }`
[INFO] [stdout] 861e8f11afb0415717c5039825a58f99fedf58fa684bbaf915acaf55caa8da7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] e9b0ba9cda91a506a84610374157857414f0a8b57f26fdd9dfa9b23a83d98646
[INFO] running `Command { std: "docker" "start" "-a" "e9b0ba9cda91a506a84610374157857414f0a8b57f26fdd9dfa9b23a83d98646", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling nix v0.11.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling flush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.88s
[INFO] running `Command { std: "docker" "inspect" "e9b0ba9cda91a506a84610374157857414f0a8b57f26fdd9dfa9b23a83d98646", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9b0ba9cda91a506a84610374157857414f0a8b57f26fdd9dfa9b23a83d98646", kill_on_drop: false }`
[INFO] [stdout] e9b0ba9cda91a506a84610374157857414f0a8b57f26fdd9dfa9b23a83d98646
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 07a86e9a10d8351ee6161b3b75c6698100d5bba4e9924f553be459c4ca292998
[INFO] running `Command { std: "docker" "start" "-a" "07a86e9a10d8351ee6161b3b75c6698100d5bba4e9924f553be459c4ca292998", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flush v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.78s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/flush-bacc6a95ade49c6a)
[INFO] running `Command { std: "docker" "inspect" "07a86e9a10d8351ee6161b3b75c6698100d5bba4e9924f553be459c4ca292998", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07a86e9a10d8351ee6161b3b75c6698100d5bba4e9924f553be459c4ca292998", kill_on_drop: false }`
[INFO] [stdout] 07a86e9a10d8351ee6161b3b75c6698100d5bba4e9924f553be459c4ca292998
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] e3e469823a214acfd20743d09e2bbdbb4c865a30f11fb0a607aa9f8da63417fd
[INFO] running `Command { std: "docker" "start" "-a" "e3e469823a214acfd20743d09e2bbdbb4c865a30f11fb0a607aa9f8da63417fd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.52s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/flush-bacc6a95ade49c6a)
[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" "e3e469823a214acfd20743d09e2bbdbb4c865a30f11fb0a607aa9f8da63417fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3e469823a214acfd20743d09e2bbdbb4c865a30f11fb0a607aa9f8da63417fd", kill_on_drop: false }`
[INFO] [stdout] e3e469823a214acfd20743d09e2bbdbb4c865a30f11fb0a607aa9f8da63417fd