[INFO] fetching crate dyn_buf 0.1.0...
[INFO] testing dyn_buf-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate dyn_buf 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dyn_buf 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 dyn_buf 0.1.0
[INFO] finished tweaking crates.io crate dyn_buf 0.1.0
[INFO] tweaked toml for crates.io crate dyn_buf 0.1.0 written to /workspace/builds/worker-3/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 47d915fa0a0f21736d5d92ce2980e75b03fc82fd13b3e0db4972cb5f975be3e7
[INFO] running `Command { std: "docker" "start" "-a" "47d915fa0a0f21736d5d92ce2980e75b03fc82fd13b3e0db4972cb5f975be3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47d915fa0a0f21736d5d92ce2980e75b03fc82fd13b3e0db4972cb5f975be3e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47d915fa0a0f21736d5d92ce2980e75b03fc82fd13b3e0db4972cb5f975be3e7", kill_on_drop: false }`
[INFO] [stdout] 47d915fa0a0f21736d5d92ce2980e75b03fc82fd13b3e0db4972cb5f975be3e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 4dba721bba81657a5ea08b130497045d0a99eaed3833e8c8af654925946721bc
[INFO] running `Command { std: "docker" "start" "-a" "4dba721bba81657a5ea08b130497045d0a99eaed3833e8c8af654925946721bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn_buf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "4dba721bba81657a5ea08b130497045d0a99eaed3833e8c8af654925946721bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4dba721bba81657a5ea08b130497045d0a99eaed3833e8c8af654925946721bc", kill_on_drop: false }`
[INFO] [stdout] 4dba721bba81657a5ea08b130497045d0a99eaed3833e8c8af654925946721bc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] cac28e2d80873ff43bba745931e9dacc3c24f9761eb138ab8d404d81a5fee709
[INFO] running `Command { std: "docker" "start" "-a" "cac28e2d80873ff43bba745931e9dacc3c24f9761eb138ab8d404d81a5fee709", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn_buf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.29s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/dyn_buf-a93037a67d4ebcc2)
[INFO] running `Command { std: "docker" "inspect" "cac28e2d80873ff43bba745931e9dacc3c24f9761eb138ab8d404d81a5fee709", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac28e2d80873ff43bba745931e9dacc3c24f9761eb138ab8d404d81a5fee709", kill_on_drop: false }`
[INFO] [stdout] cac28e2d80873ff43bba745931e9dacc3c24f9761eb138ab8d404d81a5fee709
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 5cd8e62989c86799d6f54632d3a9d9d0839a8a5d9321964349c2b9d0b7a42b6b
[INFO] running `Command { std: "docker" "start" "-a" "5cd8e62989c86799d6f54632d3a9d9d0839a8a5d9321964349c2b9d0b7a42b6b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/dyn_buf-a93037a67d4ebcc2)
[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 dyn_buf
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - VecBuf (line 22) ... ok
[INFO] [stdout] test src/lib.rs - VecBuf::new (line 144) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5cd8e62989c86799d6f54632d3a9d9d0839a8a5d9321964349c2b9d0b7a42b6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cd8e62989c86799d6f54632d3a9d9d0839a8a5d9321964349c2b9d0b7a42b6b", kill_on_drop: false }`
[INFO] [stdout] 5cd8e62989c86799d6f54632d3a9d9d0839a8a5d9321964349c2b9d0b7a42b6b