[INFO] crate rsql-rs 0.2.0 is already in cache
[INFO] testing rsql-rs-0.2.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate rsql-rs 0.2.0 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rsql-rs 0.2.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsql-rs 0.2.0
[INFO] finished tweaking crates.io crate rsql-rs 0.2.0
[INFO] tweaked toml for crates.io crate rsql-rs 0.2.0 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 5e7495ffa96791b34e7728361a43ef15a45c955ea43281674bdc104fc1499a09
[INFO] running `Command { std: "docker" "start" "-a" "5e7495ffa96791b34e7728361a43ef15a45c955ea43281674bdc104fc1499a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5e7495ffa96791b34e7728361a43ef15a45c955ea43281674bdc104fc1499a09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e7495ffa96791b34e7728361a43ef15a45c955ea43281674bdc104fc1499a09", kill_on_drop: false }`
[INFO] [stdout] 5e7495ffa96791b34e7728361a43ef15a45c955ea43281674bdc104fc1499a09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03de413870ca9c6d89a528961e9a699d8657a960e8275d144a9ff213aad77cbc
[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" "03de413870ca9c6d89a528961e9a699d8657a960e8275d144a9ff213aad77cbc", kill_on_drop: false }`
[INFO] [stderr]    Compiling frunk_core v0.3.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling strum v0.16.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling strum_macros v0.16.0
[INFO] [stderr]    Compiling pest v2.0.2
[INFO] [stderr]    Compiling pest_meta v2.0.3
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.0.4
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.0.4
[INFO] [stderr]    Compiling frunk_derives v0.3.1
[INFO] [stderr]    Compiling frunk_proc_macros v0.0.4
[INFO] [stderr]    Compiling frunk v0.3.1
[INFO] [stderr]    Compiling rsql-rs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(backtrace)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ParserResult`
[INFO] [stdout]  --> src/parser/fiql.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::ParserResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ParserResult`
[INFO] [stdout]  --> src/parser/rsql.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::ParserResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings 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 `rsql-rs`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "03de413870ca9c6d89a528961e9a699d8657a960e8275d144a9ff213aad77cbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03de413870ca9c6d89a528961e9a699d8657a960e8275d144a9ff213aad77cbc", kill_on_drop: false }`
[INFO] [stdout] 03de413870ca9c6d89a528961e9a699d8657a960e8275d144a9ff213aad77cbc