[INFO] fetching crate display-node 0.1.0...
[INFO] testing display-node-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate display-node 0.1.0 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate display-node 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 display-node 0.1.0
[INFO] finished tweaking crates.io crate display-node 0.1.0
[INFO] tweaked toml for crates.io crate display-node 0.1.0 written to /workspace/builds/worker-27/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] 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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 67c7a427ae4e63021422051a5d885b01de4c006fb2f59479ac2f46d23ae7bebc
[INFO] running `Command { std: "docker" "start" "-a" "67c7a427ae4e63021422051a5d885b01de4c006fb2f59479ac2f46d23ae7bebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "67c7a427ae4e63021422051a5d885b01de4c006fb2f59479ac2f46d23ae7bebc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67c7a427ae4e63021422051a5d885b01de4c006fb2f59479ac2f46d23ae7bebc", kill_on_drop: false }`
[INFO] [stdout] 67c7a427ae4e63021422051a5d885b01de4c006fb2f59479ac2f46d23ae7bebc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 136d5109b83ecb281144c632ef79e5a0530a7b83b397eb87cbda8b12adfda733
[INFO] running `Command { std: "docker" "start" "-a" "136d5109b83ecb281144c632ef79e5a0530a7b83b397eb87cbda8b12adfda733", kill_on_drop: false }`
[INFO] [stderr]    Compiling display-node v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
[INFO] running `Command { std: "docker" "inspect" "136d5109b83ecb281144c632ef79e5a0530a7b83b397eb87cbda8b12adfda733", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "136d5109b83ecb281144c632ef79e5a0530a7b83b397eb87cbda8b12adfda733", kill_on_drop: false }`
[INFO] [stdout] 136d5109b83ecb281144c632ef79e5a0530a7b83b397eb87cbda8b12adfda733
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 164d66011785e4127f21bae4f5324ddc6e9cca925a997027ac7f5442a41b9a38
[INFO] running `Command { std: "docker" "start" "-a" "164d66011785e4127f21bae4f5324ddc6e9cca925a997027ac7f5442a41b9a38", kill_on_drop: false }`
[INFO] [stderr]    Compiling display-node v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/display_node-fe55a99cf4496907)
[INFO] running `Command { std: "docker" "inspect" "164d66011785e4127f21bae4f5324ddc6e9cca925a997027ac7f5442a41b9a38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "164d66011785e4127f21bae4f5324ddc6e9cca925a997027ac7f5442a41b9a38", kill_on_drop: false }`
[INFO] [stdout] 164d66011785e4127f21bae4f5324ddc6e9cca925a997027ac7f5442a41b9a38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 0fec5d664b203ffeba93f70ffbc072d51b6362c683229bc9cf3467c0e8722bf2
[INFO] running `Command { std: "docker" "start" "-a" "0fec5d664b203ffeba93f70ffbc072d51b6362c683229bc9cf3467c0e8722bf2", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/display_node-fe55a99cf4496907)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test implementations::bin_tree::it_works ... ok
[INFO] [stdout] test implementations::tree::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests display-node
[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" "0fec5d664b203ffeba93f70ffbc072d51b6362c683229bc9cf3467c0e8722bf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fec5d664b203ffeba93f70ffbc072d51b6362c683229bc9cf3467c0e8722bf2", kill_on_drop: false }`
[INFO] [stdout] 0fec5d664b203ffeba93f70ffbc072d51b6362c683229bc9cf3467c0e8722bf2