[INFO] cloning repository https://github.com/returnString/qry
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/returnString/qry" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreturnString%2Fqry", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreturnString%2Fqry'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5ec0694c9ff458ed43a11fc30bdec1aca307eb8
[INFO] checking returnString/qry against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FreturnString%2Fqry" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/returnString/qry on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/returnString/qry
[INFO] finished tweaking git repo https://github.com/returnString/qry
[INFO] tweaked toml for git repo https://github.com/returnString/qry written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/returnString/qry already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82bdc0cf7db58e39f6d63a9be474d7d448afa89a498975c85716fbc50ac7ccfe
[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" "82bdc0cf7db58e39f6d63a9be474d7d448afa89a498975c85716fbc50ac7ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82bdc0cf7db58e39f6d63a9be474d7d448afa89a498975c85716fbc50ac7ccfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82bdc0cf7db58e39f6d63a9be474d7d448afa89a498975c85716fbc50ac7ccfe", kill_on_drop: false }`
[INFO] [stdout] 82bdc0cf7db58e39f6d63a9be474d7d448afa89a498975c85716fbc50ac7ccfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f374545033afe8b951754680a6dd9e44cbbdafab125c2002d411e2ee83f93c5
[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" "0f374545033afe8b951754680a6dd9e44cbbdafab125c2002d411e2ee83f93c5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.32
[INFO] [stderr]    Compiling serde v1.0.113
[INFO] [stderr]    Compiling peg-runtime v0.6.2
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.113
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling libsqlite3-sys v0.17.3
[INFO] [stderr]     Checking flatbuffers v0.6.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking dirs-next v1.0.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking rustyline v6.2.0
[INFO] [stderr]    Compiling peg-macros v0.6.2
[INFO] [stderr]     Checking num-complex v0.2.4
[INFO] [stderr]     Checking num-bigint v0.2.6
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking peg v0.6.2
[INFO] [stderr]     Checking qry-lang v0.1.0 (/opt/rustwide/workdir/qry-lang)
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.63
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.63
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.63
[INFO] [stderr]     Checking rusqlite v0.21.0
[INFO] [stderr]     Checking wasm-bindgen v0.2.63
[INFO] [stderr]     Checking console_error_panic_hook v0.1.6
[INFO] [stderr]     Checking arrow v0.16.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/arrow-0.16.0/src/lib.rs:24:1
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![feature(specialization)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `arrow` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f374545033afe8b951754680a6dd9e44cbbdafab125c2002d411e2ee83f93c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f374545033afe8b951754680a6dd9e44cbbdafab125c2002d411e2ee83f93c5", kill_on_drop: false }`
[INFO] [stdout] 0f374545033afe8b951754680a6dd9e44cbbdafab125c2002d411e2ee83f93c5
