[INFO] cloning repository https://github.com/rome/newfmt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rome/newfmt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frome%2Fnewfmt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frome%2Fnewfmt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2cc7dfaf64df8157fd69638d74977830ee477613
[INFO] testing rome/newfmt against beta-2022-02-22 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frome%2Fnewfmt" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rome/newfmt on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rome/newfmt
[INFO] finished tweaking git repo https://github.com/rome/newfmt
[INFO] tweaked toml for git repo https://github.com/rome/newfmt written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/rome/newfmt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b0b43e7d615d7154ebebb595a7243bd92a2a51b52a3c7d3bdb669df8452d47ee
[INFO] running `Command { std: "docker" "start" "-a" "b0b43e7d615d7154ebebb595a7243bd92a2a51b52a3c7d3bdb669df8452d47ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0b43e7d615d7154ebebb595a7243bd92a2a51b52a3c7d3bdb669df8452d47ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b43e7d615d7154ebebb595a7243bd92a2a51b52a3c7d3bdb669df8452d47ee", kill_on_drop: false }`
[INFO] [stdout] b0b43e7d615d7154ebebb595a7243bd92a2a51b52a3c7d3bdb669df8452d47ee
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 498013aec517ca5d816326094331cd54e1359847cba7496ce127b1be15cfd974
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "498013aec517ca5d816326094331cd54e1359847cba7496ce127b1be15cfd974", kill_on_drop: false }`
[INFO] [stderr]    Compiling newfmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `Number`
[INFO] [stdout]    --> src/main.rs:177:5
[INFO] [stdout]     |
[INFO] [stdout] 177 |     Number(i64),
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
[INFO] running `Command { std: "docker" "inspect" "498013aec517ca5d816326094331cd54e1359847cba7496ce127b1be15cfd974", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "498013aec517ca5d816326094331cd54e1359847cba7496ce127b1be15cfd974", kill_on_drop: false }`
[INFO] [stdout] 498013aec517ca5d816326094331cd54e1359847cba7496ce127b1be15cfd974
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3259626fc8dd20467cd59592274b71bd709e27546d85677bb7dc4f04b29bb987
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3259626fc8dd20467cd59592274b71bd709e27546d85677bb7dc4f04b29bb987", kill_on_drop: false }`
[INFO] [stderr]    Compiling newfmt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:293:42
[INFO] [stdout]     |
[INFO] [stdout] 293 |         pretty_print_format_element(200, doc.clone())
[INFO] [stdout]     |                                          ^^^^^^^^^^^ expected struct `Rc`, found enum `FormatElement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<FormatElement>`
[INFO] [stdout]                  found enum `FormatElement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/main.rs:298:41
[INFO] [stdout]     |
[INFO] [stdout] 298 |         pretty_print_format_element(50, doc)
[INFO] [stdout]     |                                         ^^^ expected struct `Rc`, found enum `FormatElement`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected struct `Rc<FormatElement>`
[INFO] [stdout]                  found enum `FormatElement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `newfmt` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "3259626fc8dd20467cd59592274b71bd709e27546d85677bb7dc4f04b29bb987", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3259626fc8dd20467cd59592274b71bd709e27546d85677bb7dc4f04b29bb987", kill_on_drop: false }`
[INFO] [stdout] 3259626fc8dd20467cd59592274b71bd709e27546d85677bb7dc4f04b29bb987