[INFO] updating cached repository https://github.com/rvolz/rustrt
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ea996a856c178568bac820f8ddd2eacf03bb8d88
[INFO] testing rvolz/rustrt against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvolz%2Frustrt" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rvolz/rustrt on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/rvolz/rustrt
[INFO] removed 0 missing tests
[INFO] finished tweaking git repo https://github.com/rvolz/rustrt
[INFO] tweaked toml for git repo https://github.com/rvolz/rustrt written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/rvolz/rustrt already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0d66b0d3c7cf264a2d5bdf80453b245e6c7dec7fc6f60df27e6cc6486e9b7c13
[INFO] running `"docker" "start" "-a" "0d66b0d3c7cf264a2d5bdf80453b245e6c7dec7fc6f60df27e6cc6486e9b7c13"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling derive_builder v0.7.0
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling darling_core v0.8.2
[INFO] [stderr]    Compiling darling_macro v0.8.2
[INFO] [stderr]    Compiling darling v0.8.2
[INFO] [stderr]    Compiling derive_builder_core v0.4.0
[INFO] [stderr]    Compiling rustrt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   (t.w == 1.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   (t.w == 0.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     (&self.w == &1.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     (&self.w == &0.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   (t.w == 1.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   (t.w == 0.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     (&self.w == &1.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     (&self.w == &0.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Material`
[INFO] [stderr]   --> src/main.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 | use crate::material::{Material, material};
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `red`
[INFO] [stderr]    --> src/main.rs:150:7
[INFO] [stderr]     |
[INFO] [stderr] 150 |   let red = color(1.0,0.0,0.0);
[INFO] [stderr]     |       ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.97s
[INFO] running `"docker" "inspect" "0d66b0d3c7cf264a2d5bdf80453b245e6c7dec7fc6f60df27e6cc6486e9b7c13"`
[INFO] running `"docker" "rm" "-f" "0d66b0d3c7cf264a2d5bdf80453b245e6c7dec7fc6f60df27e6cc6486e9b7c13"`
[INFO] [stdout] 0d66b0d3c7cf264a2d5bdf80453b245e6c7dec7fc6f60df27e6cc6486e9b7c13
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3bf8a884a087c7c594b3b37beaf6e9b1c47b9c818845c602c5a1a2d3f32d87f6
[INFO] running `"docker" "start" "-a" "3bf8a884a087c7c594b3b37beaf6e9b1c47b9c818845c602c5a1a2d3f32d87f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling round v0.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling derive_builder_core v0.2.0
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   (t.w == 1.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   (t.w == 0.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     (&self.w == &1.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     (&self.w == &0.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:31:3
[INFO] [stderr]    |
[INFO] [stderr] 31 |   (t.w == 1.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:36:3
[INFO] [stderr]    |
[INFO] [stderr] 36 |   (t.w == 0.0)
[INFO] [stderr]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:70:5
[INFO] [stderr]    |
[INFO] [stderr] 70 |     (&self.w == &1.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/tuple.rs:74:5
[INFO] [stderr]    |
[INFO] [stderr] 74 |     (&self.w == &0.0)
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Material`
[INFO] [stderr]   --> src/main.rs:22:23
[INFO] [stderr]    |
[INFO] [stderr] 22 | use crate::material::{Material, material};
[INFO] [stderr]    |                       ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `red`
[INFO] [stderr]    --> src/main.rs:150:7
[INFO] [stderr]     |
[INFO] [stderr] 150 |   let red = color(1.0,0.0,0.0);
[INFO] [stderr]     |       ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 6 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stderr]    Compiling rand_os v0.1.0
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling gherkin_rust v0.4.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling crossbeam-channel v0.3.6
[INFO] [stderr]    Compiling globset v0.4.2
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr]    Compiling globwalk v0.5.0
[INFO] [stderr]    Compiling cucumber_rust v0.5.1
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cucumber_rust-0.5.1/src/lib.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![cfg_attr(feature = "nightly", feature(set_stdio))]
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `cucumber_rust`.
[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 `"docker" "inspect" "3bf8a884a087c7c594b3b37beaf6e9b1c47b9c818845c602c5a1a2d3f32d87f6"`
[INFO] running `"docker" "rm" "-f" "3bf8a884a087c7c594b3b37beaf6e9b1c47b9c818845c602c5a1a2d3f32d87f6"`
[INFO] [stdout] 3bf8a884a087c7c594b3b37beaf6e9b1c47b9c818845c602c5a1a2d3f32d87f6