[INFO] fetching crate dyn_buf 0.1.0...
[INFO] testing dyn_buf-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate dyn_buf 0.1.0 into /workspace/builds/worker-57/source
[INFO] validating manifest of crates.io crate dyn_buf 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-57/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 708098a6a4a084d891bc961dfac9b9f3f3aaef51ea6a83527ecba202fbe7df5f
[INFO] running `Command { std: "docker" "start" "-a" "708098a6a4a084d891bc961dfac9b9f3f3aaef51ea6a83527ecba202fbe7df5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "708098a6a4a084d891bc961dfac9b9f3f3aaef51ea6a83527ecba202fbe7df5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "708098a6a4a084d891bc961dfac9b9f3f3aaef51ea6a83527ecba202fbe7df5f", kill_on_drop: false }`
[INFO] [stdout] 708098a6a4a084d891bc961dfac9b9f3f3aaef51ea6a83527ecba202fbe7df5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abc38af2a6dd132e77531bf2abbe3b745ff89c30182da0d376c7d35dba9aeb42
[INFO] running `Command { std: "docker" "start" "-a" "abc38af2a6dd132e77531bf2abbe3b745ff89c30182da0d376c7d35dba9aeb42", kill_on_drop: false }`
[INFO] [stderr]    Compiling dyn_buf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "abc38af2a6dd132e77531bf2abbe3b745ff89c30182da0d376c7d35dba9aeb42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abc38af2a6dd132e77531bf2abbe3b745ff89c30182da0d376c7d35dba9aeb42", kill_on_drop: false }`
[INFO] [stdout] abc38af2a6dd132e77531bf2abbe3b745ff89c30182da0d376c7d35dba9aeb42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7670af426e8bcb5a1dd50a8a3f19f7229de8461ac3c806b6742e5f1dc5c515bf
[INFO] running `Command { std: "docker" "start" "-a" "7670af426e8bcb5a1dd50a8a3f19f7229de8461ac3c806b6742e5f1dc5c515bf", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling dyn_buf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "7670af426e8bcb5a1dd50a8a3f19f7229de8461ac3c806b6742e5f1dc5c515bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7670af426e8bcb5a1dd50a8a3f19f7229de8461ac3c806b6742e5f1dc5c515bf", kill_on_drop: false }`
[INFO] [stdout] 7670af426e8bcb5a1dd50a8a3f19f7229de8461ac3c806b6742e5f1dc5c515bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2eb4336cc4c6bf34cb29516ab06724e5fab9be7b7c6f0beb4305636bc7d96a4
[INFO] running `Command { std: "docker" "start" "-a" "a2eb4336cc4c6bf34cb29516ab06724e5fab9be7b7c6f0beb4305636bc7d96a4", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/dyn_buf-50f9c728ddf58ffe)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dyn_buf
[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] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - VecBuf::new (line 144) ... ok
[INFO] [stdout] test src/lib.rs - VecBuf (line 22) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.32s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "a2eb4336cc4c6bf34cb29516ab06724e5fab9be7b7c6f0beb4305636bc7d96a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2eb4336cc4c6bf34cb29516ab06724e5fab9be7b7c6f0beb4305636bc7d96a4", kill_on_drop: false }`
[INFO] [stdout] a2eb4336cc4c6bf34cb29516ab06724e5fab9be7b7c6f0beb4305636bc7d96a4