[INFO] cloning repository https://github.com/a-bouts/nav-polars
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/a-bouts/nav-polars" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bouts%2Fnav-polars", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bouts%2Fnav-polars'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46b07169fa2f4ff4306a30bdcdc51e86db290acd
[INFO] testing a-bouts/nav-polars against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fa-bouts%2Fnav-polars" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/a-bouts/nav-polars on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/a-bouts/nav-polars
[INFO] finished tweaking git repo https://github.com/a-bouts/nav-polars
[INFO] tweaked toml for git repo https://github.com/a-bouts/nav-polars written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/a-bouts/nav-polars already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-04-10" "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] f7128ba950772b4b7d0530fd4f240c339fbb4659bf104846228e4652872646ef
[INFO] running `Command { std: "docker" "start" "-a" "f7128ba950772b4b7d0530fd4f240c339fbb4659bf104846228e4652872646ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7128ba950772b4b7d0530fd4f240c339fbb4659bf104846228e4652872646ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7128ba950772b4b7d0530fd4f240c339fbb4659bf104846228e4652872646ef", kill_on_drop: false }`
[INFO] [stdout] f7128ba950772b4b7d0530fd4f240c339fbb4659bf104846228e4652872646ef
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-04-10" "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] 90a6187839e3a877678f39c099736667344569b48adc4170c8201616b770f4b5
[INFO] running `Command { std: "docker" "start" "-a" "90a6187839e3a877678f39c099736667344569b48adc4170c8201616b770f4b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling futures-sink v0.3.17
[INFO] [stderr]    Compiling yansi v0.5.0
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling futures-io v0.3.17
[INFO] [stderr]    Compiling inlinable_string v0.1.14
[INFO] [stderr]    Compiling encoding_rs v0.8.29
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling state v0.5.2
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling unchecked-index v0.2.2
[INFO] [stderr]    Compiling spin v0.9.2
[INFO] [stderr]    Compiling anyhow v1.0.45
[INFO] [stderr]    Compiling binascii v0.1.4
[INFO] [stderr]    Compiling polars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.9.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tokio v1.13.0
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling cookie v0.15.1
[INFO] [stderr]    Compiling uncased v0.9.6
[INFO] [stderr]    Compiling multer v2.0.1
[INFO] [stderr]    Compiling atomic v0.5.1
[INFO] [stderr]    Compiling figment v0.10.6
[INFO] [stderr]    Compiling http v0.2.5
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling rocket v0.5.0-rc.1
[INFO] [stderr]    Compiling twoway v0.2.2
[INFO] [stderr]    Compiling stable-pattern v0.1.0
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling getrandom v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling http-body v0.4.4
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-util v0.6.9
[INFO] [stderr]    Compiling devise_core v0.3.1
[INFO] [stderr]    Compiling h2 v0.3.7
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.5.1
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling pear_codegen v0.2.3
[INFO] [stderr]    Compiling ref-cast-impl v1.0.6
[INFO] [stderr]    Compiling devise_codegen v0.3.1
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling devise v0.3.1
[INFO] [stderr]    Compiling ref-cast v1.0.6
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling pear v0.2.3
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling hyper v0.14.14
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.17
[INFO] [stderr]    Compiling tokio-stream v0.1.8
[INFO] [stderr]    Compiling futures v0.3.17
[INFO] [stderr]    Compiling rocket_http v0.5.0-rc.1
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling ubyte v0.10.1
[INFO] [stderr]    Compiling serde_yaml v0.8.21
[INFO] [stderr]    Compiling rocket_codegen v0.5.0-rc.1
[INFO] [stderr]    Compiling confy v0.4.0 (https://github.com/rust-cli/confy#664992ae)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/main.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(path_file_prefix)]
[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 `polars` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "90a6187839e3a877678f39c099736667344569b48adc4170c8201616b770f4b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a6187839e3a877678f39c099736667344569b48adc4170c8201616b770f4b5", kill_on_drop: false }`
[INFO] [stdout] 90a6187839e3a877678f39c099736667344569b48adc4170c8201616b770f4b5