[INFO] cloning repository https://github.com/KasraF/SnippeRs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/KasraF/SnippeRs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FSnippeRs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FSnippeRs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 301a55b8aeb855f273f9de674cbcaca21ad51fb3
[INFO] testing KasraF/SnippeRs against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKasraF%2FSnippeRs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/KasraF/SnippeRs on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/KasraF/SnippeRs
[INFO] finished tweaking git repo https://github.com/KasraF/SnippeRs
[INFO] tweaked toml for git repo https://github.com/KasraF/SnippeRs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/KasraF/SnippeRs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15602d17b8e22d7b0584d1fe17aaf8a9eef9008ae132c1041eedd662d84230dd
[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" "15602d17b8e22d7b0584d1fe17aaf8a9eef9008ae132c1041eedd662d84230dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15602d17b8e22d7b0584d1fe17aaf8a9eef9008ae132c1041eedd662d84230dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15602d17b8e22d7b0584d1fe17aaf8a9eef9008ae132c1041eedd662d84230dd", kill_on_drop: false }`
[INFO] [stdout] 15602d17b8e22d7b0584d1fe17aaf8a9eef9008ae132c1041eedd662d84230dd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.59.0" "build" "--frozen" "--message-format=json", 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] f4b890e8250d3d86e2d250e03677f52b9caacdb046f346a2dd3a163284160891
[INFO] running `Command { std: "docker" "start" "-a" "f4b890e8250d3d86e2d250e03677f52b9caacdb046f346a2dd3a163284160891", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.78
[INFO] [stderr]    Compiling snippers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/store.rs:87:13
[INFO] [stdout]    |
[INFO] [stdout] 87 |             ints,
[INFO] [stdout]    |             ^^^^ expected trait object `dyn Program`, found struct `nullary::Variable`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected array `[Vec<Box<(dyn Program<i32> + 'static)>>; 5]`
[INFO] [stdout]               found array `[Vec<Box<nullary::Variable<i32>>>; 5]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snippers` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "f4b890e8250d3d86e2d250e03677f52b9caacdb046f346a2dd3a163284160891", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4b890e8250d3d86e2d250e03677f52b9caacdb046f346a2dd3a163284160891", kill_on_drop: false }`
[INFO] [stdout] f4b890e8250d3d86e2d250e03677f52b9caacdb046f346a2dd3a163284160891