[INFO] cloning repository https://github.com/stephenjayakar/rustracer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stephenjayakar/rustracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenjayakar%2Frustracer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenjayakar%2Frustracer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8767b24cd10f004e1ab6a0f1b44fd0204ac7b950 [INFO] testing stephenjayakar/rustracer against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstephenjayakar%2Frustracer" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/stephenjayakar/rustracer 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/stephenjayakar/rustracer [INFO] finished tweaking git repo https://github.com/stephenjayakar/rustracer [INFO] tweaked toml for git repo https://github.com/stephenjayakar/rustracer written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/stephenjayakar/rustracer 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8aec153988554be023e1ad6f8fd5a0e55e2b0408e4cb780a27ac2de3117c94bd [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" "8aec153988554be023e1ad6f8fd5a0e55e2b0408e4cb780a27ac2de3117c94bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8aec153988554be023e1ad6f8fd5a0e55e2b0408e4cb780a27ac2de3117c94bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8aec153988554be023e1ad6f8fd5a0e55e2b0408e4cb780a27ac2de3117c94bd", kill_on_drop: false }` [INFO] [stdout] 8aec153988554be023e1ad6f8fd5a0e55e2b0408e4cb780a27ac2de3117c94bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 565119e3ebda31640a63100312adf532378f92cd4454ba34477e1103d534687e [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" "565119e3ebda31640a63100312adf532378f92cd4454ba34477e1103d534687e", kill_on_drop: false }` [INFO] [stderr] Compiling version-compare v0.0.10 [INFO] [stderr] Compiling sdl2 v0.34.3 [INFO] [stderr] Compiling paste v1.0.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-bigint v0.2.6 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling num-iter v0.1.42 [INFO] [stderr] Compiling getrandom v0.1.15 [INFO] [stderr] Compiling generic-array v0.13.2 [INFO] [stderr] Compiling rayon-core v1.9.0 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling sdl2-sys v0.34.3 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling rayon v1.5.0 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling approx v0.4.0 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling num-rational v0.3.2 [INFO] [stderr] Compiling simba v0.3.1 [INFO] [stderr] Compiling alga v0.9.3 [INFO] [stderr] Compiling rand_distr v0.2.2 [INFO] [stderr] Compiling rand_distr v0.3.0 [INFO] [stderr] Compiling nalgebra v0.20.0 [INFO] [stderr] Compiling num v0.2.1 [INFO] [stderr] Compiling nalgebra v0.23.2 [INFO] [stderr] Compiling bvh v0.3.2 [INFO] [stderr] Compiling rustracer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stdout] --> src/main.rs:2:1 [INFO] [stdout] | [INFO] [stdout] 2 | #![feature(const_fn)] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0658]: use of unstable library feature 'clamp' [INFO] [stdout] --> src/common.rs:47:45 [INFO] [stdout] | [INFO] [stdout] 47 | Spectrum::to_u8(f64::powf(intensity.clamp(0.0, 1.0), 1.0 / 2.2) * 255.0) [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: see issue #44095 for more information [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 2 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] Some errors have detailed explanations: E0554, E0658. [INFO] [stdout] [INFO] [stdout] For more information about an error, try `rustc --explain E0554`. [INFO] [stdout] [INFO] [stderr] error: could not compile `rustracer` [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `Command { std: "docker" "inspect" "565119e3ebda31640a63100312adf532378f92cd4454ba34477e1103d534687e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "565119e3ebda31640a63100312adf532378f92cd4454ba34477e1103d534687e", kill_on_drop: false }` [INFO] [stdout] 565119e3ebda31640a63100312adf532378f92cd4454ba34477e1103d534687e