[INFO] cloning repository https://github.com/epilys/rsqlite3
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/epilys/rsqlite3" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepilys%2Frsqlite3", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepilys%2Frsqlite3'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73e585273ffe23d7edd151d0716ff52e0e48084c
[INFO] testing epilys/rsqlite3 against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fepilys%2Frsqlite3" "/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/epilys/rsqlite3 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/epilys/rsqlite3
[INFO] finished tweaking git repo https://github.com/epilys/rsqlite3
[INFO] tweaked toml for git repo https://github.com/epilys/rsqlite3 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/epilys/rsqlite3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded c2rust-bitfields-derive v0.2.1
[INFO] [stderr]   Downloaded c2rust-bitfields v0.3.0
[INFO] [stderr]   Downloaded f128 v0.2.9
[INFO] [stderr]   Downloaded f128_input v0.2.1
[INFO] [stderr]   Downloaded f128_internal v0.2.2
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2119a71cc3e2bb93dabf23d777de2d9746ec59f21b2fd13bd90c6e9adff41b69
[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" "2119a71cc3e2bb93dabf23d777de2d9746ec59f21b2fd13bd90c6e9adff41b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2119a71cc3e2bb93dabf23d777de2d9746ec59f21b2fd13bd90c6e9adff41b69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2119a71cc3e2bb93dabf23d777de2d9746ec59f21b2fd13bd90c6e9adff41b69", kill_on_drop: false }`
[INFO] [stdout] 2119a71cc3e2bb93dabf23d777de2d9746ec59f21b2fd13bd90c6e9adff41b69
[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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71009d00371eeee1566cd7c7dc5ae1982745d661b459d0a71056d5c9dafef2f2
[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" "71009d00371eeee1566cd7c7dc5ae1982745d661b459d0a71056d5c9dafef2f2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling rsqlite3 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling f128_internal v0.2.2
[INFO] [stderr]    Compiling f128_input v0.2.1
[INFO] [stderr]    Compiling f128 v0.2.9
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.2.1
[INFO] [stderr]    Compiling c2rust-bitfields v0.3.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:4:1
[INFO] [stdout]   |
[INFO] [stdout] 4 | / #![feature(c_variadic, 
[INFO] [stdout] 5 | |            core_intrinsics, extern_types,
[INFO] [stdout] 6 | |            register_tool)]
[INFO] [stdout]   | |__________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `num_traits`
[INFO] [stdout]  --> src/lib.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use num_traits::*;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[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 E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsqlite3` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "71009d00371eeee1566cd7c7dc5ae1982745d661b459d0a71056d5c9dafef2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71009d00371eeee1566cd7c7dc5ae1982745d661b459d0a71056d5c9dafef2f2", kill_on_drop: false }`
[INFO] [stdout] 71009d00371eeee1566cd7c7dc5ae1982745d661b459d0a71056d5c9dafef2f2