[INFO] cloning repository https://github.com/ndac-todoroki/ecc_calc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ndac-todoroki/ecc_calc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndac-todoroki%2Fecc_calc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndac-todoroki%2Fecc_calc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fb9987a3ff5645d7962af3bc44b832256b0fc5b3
[INFO] testing ndac-todoroki/ecc_calc against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fndac-todoroki%2Fecc_calc" "/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/ndac-todoroki/ecc_calc on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ndac-todoroki/ecc_calc
[INFO] finished tweaking git repo https://github.com/ndac-todoroki/ecc_calc
[INFO] tweaked toml for git repo https://github.com/ndac-todoroki/ecc_calc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/ndac-todoroki/ecc_calc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-bigint v0.1.43
[INFO] [stderr]   Downloaded num-complex v0.1.42
[INFO] [stderr]   Downloaded simple_logger v0.5.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ca0241755582697c3b492511c20f6c42ae2471a52ad23f819a511977d478a8d
[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" "7ca0241755582697c3b492511c20f6c42ae2471a52ad23f819a511977d478a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ca0241755582697c3b492511c20f6c42ae2471a52ad23f819a511977d478a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ca0241755582697c3b492511c20f6c42ae2471a52ad23f819a511977d478a8d", kill_on_drop: false }`
[INFO] [stdout] 7ca0241755582697c3b492511c20f6c42ae2471a52ad23f819a511977d478a8d
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36ac2a63dab193929ac2cb14c04493bd2b9cde77473cd122874fa2caddfdb3d8
[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" "36ac2a63dab193929ac2cb14c04493bd2b9cde77473cd122874fa2caddfdb3d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.37
[INFO] [stderr]    Compiling num-traits v0.2.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling time v0.1.39
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling num-complex v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling simple_logger v0.5.0
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling ecc_calc v0.3.3 (/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(range_contains)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ecc/infinity_error.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |    fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ecc/prime/curves/errors/public_key_parse_error.rs:24:31
[INFO] [stdout]    |
[INFO] [stdout] 24 |    fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/ecc/prime/points/errors/convertion.rs:26:31
[INFO] [stdout]    |
[INFO] [stdout] 26 |    fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]    |                               ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 3 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 `ecc_calc`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "36ac2a63dab193929ac2cb14c04493bd2b9cde77473cd122874fa2caddfdb3d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36ac2a63dab193929ac2cb14c04493bd2b9cde77473cd122874fa2caddfdb3d8", kill_on_drop: false }`
[INFO] [stdout] 36ac2a63dab193929ac2cb14c04493bd2b9cde77473cd122874fa2caddfdb3d8
