[INFO] cloning repository https://github.com/rvolz/rustrt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rvolz/rustrt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvolz%2Frustrt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvolz%2Frustrt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ea996a856c178568bac820f8ddd2eacf03bb8d88
[INFO] testing rvolz/rustrt against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frvolz%2Frustrt" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rvolz/rustrt on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rvolz/rustrt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] db688e5705c2696e1767a1c907f2a1bfba58f6eb86cb3471e7eb5a6b68d7edaa
[INFO] running `Command { std: "docker" "start" "-a" "db688e5705c2696e1767a1c907f2a1bfba58f6eb86cb3471e7eb5a6b68d7edaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db688e5705c2696e1767a1c907f2a1bfba58f6eb86cb3471e7eb5a6b68d7edaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db688e5705c2696e1767a1c907f2a1bfba58f6eb86cb3471e7eb5a6b68d7edaa", kill_on_drop: false }`
[INFO] [stdout] db688e5705c2696e1767a1c907f2a1bfba58f6eb86cb3471e7eb5a6b68d7edaa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 945509e6d2796b50ed45afe0eb888c9dedf3625a74727f8944848302982d92e5
[INFO] running `Command { std: "docker" "start" "-a" "945509e6d2796b50ed45afe0eb888c9dedf3625a74727f8944848302982d92e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling ident_case v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling derive_builder v0.7.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling ordered-float v1.0.1
[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] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   (t.w == 1.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |   (t.w == 0.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     (&self.w == &1.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     (&self.w == &0.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   (t.w == 1.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |   (t.w == 0.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     (&self.w == &1.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     (&self.w == &0.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Material`
[INFO] [stdout]   --> src/main.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::material::{Material, material};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]    --> src/main.rs:150:7
[INFO] [stdout]     |
[INFO] [stdout] 150 |   let red = color(1.0,0.0,0.0);
[INFO] [stdout]     |       ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.21s
[INFO] running `Command { std: "docker" "inspect" "945509e6d2796b50ed45afe0eb888c9dedf3625a74727f8944848302982d92e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945509e6d2796b50ed45afe0eb888c9dedf3625a74727f8944848302982d92e5", kill_on_drop: false }`
[INFO] [stdout] 945509e6d2796b50ed45afe0eb888c9dedf3625a74727f8944848302982d92e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] 152a518882f00722e51029be0182c7a9ec04aa05c0e0fce3397c6d351f64d168
[INFO] running `Command { std: "docker" "start" "-a" "152a518882f00722e51029be0182c7a9ec04aa05c0e0fce3397c6d351f64d168", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling regex v1.1.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling derive_builder v0.5.1
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling pest v1.0.6
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling pathdiff v0.1.0
[INFO] [stderr]    Compiling termcolor v0.3.6
[INFO] [stderr]    Compiling round v0.1.0
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling regex-syntax v0.6.4
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling smallvec v0.6.7
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.3
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   (t.w == 1.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |   (t.w == 0.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     (&self.w == &1.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     (&self.w == &0.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:31:3
[INFO] [stdout]    |
[INFO] [stdout] 31 |   (t.w == 1.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:36:3
[INFO] [stdout]    |
[INFO] [stdout] 36 |   (t.w == 0.0)
[INFO] [stdout]    |   ^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:70:5
[INFO] [stdout]    |
[INFO] [stdout] 70 |     (&self.w == &1.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/tuple.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 |     (&self.w == &0.0)
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Material`
[INFO] [stdout]   --> src/main.rs:22:23
[INFO] [stdout]    |
[INFO] [stdout] 22 | use crate::material::{Material, material};
[INFO] [stdout]    |                       ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `red`
[INFO] [stdout]    --> src/main.rs:150:7
[INFO] [stdout]     |
[INFO] [stdout] 150 |   let red = color(1.0,0.0,0.0);
[INFO] [stdout]     |       ^^^ help: if this is intentional, prefix it with an underscore: `_red`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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 derive_builder_core v0.2.0
[INFO] [stderr]    Compiling pest_derive v1.0.8
[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 gherkin_rust v0.4.1
[INFO] [stderr]    Compiling ignore v0.4.6
[INFO] [stderr]    Compiling globwalk v0.5.0
[INFO] [stderr]    Compiling cucumber_rust v0.5.1
[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/cucumber_rust-0.5.1/src/lib.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![cfg_attr(feature = "nightly", feature(set_stdio))]
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `panic_trap::Sink: LocalOutput` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cucumber_rust-0.5.1/src/panic_trap.rs:66:32
[INFO] [stdout]    |
[INFO] [stdout] 66 |             io::set_print(Some(Box::new(Sink(stdout_sink.clone())))),
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `LocalOutput` is not implemented for `panic_trap::Sink`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast to the object type `dyn LocalOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the trait bound `panic_trap::Sink: LocalOutput` is not satisfied
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cucumber_rust-0.5.1/src/panic_trap.rs:67:32
[INFO] [stdout]    |
[INFO] [stdout] 67 |             io::set_panic(Some(Box::new(Sink(stdout_sink))))
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `LocalOutput` is not implemented for `panic_trap::Sink`
[INFO] [stdout]    |
[INFO] [stdout]    = note: required for the cast to the object type `dyn LocalOutput`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "152a518882f00722e51029be0182c7a9ec04aa05c0e0fce3397c6d351f64d168", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "152a518882f00722e51029be0182c7a9ec04aa05c0e0fce3397c6d351f64d168", kill_on_drop: false }`
[INFO] [stdout] 152a518882f00722e51029be0182c7a9ec04aa05c0e0fce3397c6d351f64d168