[INFO] fetching crate robin_core 0.4.13...
[INFO] testing robin_core-0.4.13 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate robin_core 0.4.13 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate robin_core 0.4.13 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate robin_core 0.4.13
[INFO] finished tweaking crates.io crate robin_core 0.4.13
[INFO] tweaked toml for crates.io crate robin_core 0.4.13 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b7ccef9010afe75266f48a7210dbcadd3efde2ec164c8232e81b8ce9b1b82c58
[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" "b7ccef9010afe75266f48a7210dbcadd3efde2ec164c8232e81b8ce9b1b82c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b7ccef9010afe75266f48a7210dbcadd3efde2ec164c8232e81b8ce9b1b82c58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7ccef9010afe75266f48a7210dbcadd3efde2ec164c8232e81b8ce9b1b82c58", kill_on_drop: false }`
[INFO] [stdout] b7ccef9010afe75266f48a7210dbcadd3efde2ec164c8232e81b8ce9b1b82c58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e86b9e83cb4e85cad34006ad54d29b0fd3bed244da436446a0f8c613477ddc1
[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" "3e86b9e83cb4e85cad34006ad54d29b0fd3bed244da436446a0f8c613477ddc1", kill_on_drop: false }`
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[INFO] [stderr]    Compiling robin_core v0.4.13 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `pest::inputs`
[INFO] [stdout]  --> src/parser.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use pest::inputs::StrInput;
[INFO] [stdout]   |           ^^^^^^ could not find `inputs` in `pest`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0107]: wrong number of type arguments: expected 1, found 2
[INFO] [stdout]   --> src/parser.rs:16:39
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn parse_expression(input: Pair<Rule, StrInput>) -> Expression {
[INFO] [stdout]    |                                       ^^^^^^^^ unexpected type argument
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0107, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0107`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `robin_core`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3e86b9e83cb4e85cad34006ad54d29b0fd3bed244da436446a0f8c613477ddc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e86b9e83cb4e85cad34006ad54d29b0fd3bed244da436446a0f8c613477ddc1", kill_on_drop: false }`
[INFO] [stdout] 3e86b9e83cb4e85cad34006ad54d29b0fd3bed244da436446a0f8c613477ddc1