[INFO] fetching crate swap 0.1.0...
[INFO] testing swap-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate swap 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate swap 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 swap 0.1.0
[INFO] finished tweaking crates.io crate swap 0.1.0
[INFO] tweaked toml for crates.io crate swap 0.1.0 written to /workspace/builds/worker-19/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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 75a7c9a5e16912eb0bba9d4920324e7cf17d8cb6ac86967145b410a687ab26f0
[INFO] running `Command { std: "docker" "start" "-a" "75a7c9a5e16912eb0bba9d4920324e7cf17d8cb6ac86967145b410a687ab26f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75a7c9a5e16912eb0bba9d4920324e7cf17d8cb6ac86967145b410a687ab26f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75a7c9a5e16912eb0bba9d4920324e7cf17d8cb6ac86967145b410a687ab26f0", kill_on_drop: false }`
[INFO] [stdout] 75a7c9a5e16912eb0bba9d4920324e7cf17d8cb6ac86967145b410a687ab26f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 3071c3f745dd3dcd1a4561f6a0f1c72ceb8b9bde72f88e3ceed1f430f0bd7983
[INFO] running `Command { std: "docker" "start" "-a" "3071c3f745dd3dcd1a4561f6a0f1c72ceb8b9bde72f88e3ceed1f430f0bd7983", 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling swap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.66s
[INFO] running `Command { std: "docker" "inspect" "3071c3f745dd3dcd1a4561f6a0f1c72ceb8b9bde72f88e3ceed1f430f0bd7983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3071c3f745dd3dcd1a4561f6a0f1c72ceb8b9bde72f88e3ceed1f430f0bd7983", kill_on_drop: false }`
[INFO] [stdout] 3071c3f745dd3dcd1a4561f6a0f1c72ceb8b9bde72f88e3ceed1f430f0bd7983
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 6c3db4838b0daac4fe0baa6a551bed19587f08b2ae0df132f13aa01bd324be6e
[INFO] running `Command { std: "docker" "start" "-a" "6c3db4838b0daac4fe0baa6a551bed19587f08b2ae0df132f13aa01bd324be6e", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.50s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/swap-40d9ca90c4fd110a)
[INFO] running `Command { std: "docker" "inspect" "6c3db4838b0daac4fe0baa6a551bed19587f08b2ae0df132f13aa01bd324be6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c3db4838b0daac4fe0baa6a551bed19587f08b2ae0df132f13aa01bd324be6e", kill_on_drop: false }`
[INFO] [stdout] 6c3db4838b0daac4fe0baa6a551bed19587f08b2ae0df132f13aa01bd324be6e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 0d60f501947b2f5832a6d58bac8bd60c55c190a89d7150e58847aa24615e3dad
[INFO] running `Command { std: "docker" "start" "-a" "0d60f501947b2f5832a6d58bac8bd60c55c190a89d7150e58847aa24615e3dad", 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/swap-40d9ca90c4fd110a)
[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" "0d60f501947b2f5832a6d58bac8bd60c55c190a89d7150e58847aa24615e3dad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d60f501947b2f5832a6d58bac8bd60c55c190a89d7150e58847aa24615e3dad", kill_on_drop: false }`
[INFO] [stdout] 0d60f501947b2f5832a6d58bac8bd60c55c190a89d7150e58847aa24615e3dad