[INFO] cloning repository https://github.com/Cifram/simplectic-noise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Cifram/simplectic-noise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCifram%2Fsimplectic-noise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCifram%2Fsimplectic-noise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c8d228119cb293d6ce1fe229a1baa43893f6b303
[INFO] checking Cifram/simplectic-noise against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCifram%2Fsimplectic-noise" "/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/Cifram/simplectic-noise on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Cifram/simplectic-noise
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Cifram/simplectic-noise
[INFO] tweaked toml for git repo https://github.com/Cifram/simplectic-noise written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/Cifram/simplectic-noise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: the lock file /workspace/builds/worker-1/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/PistonDevelopers/image.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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] 423dedb15a0208922b631832cf4e4ce99869c048cdabafeeaf3ba7280504b0d5
[INFO] running `Command { std: "docker" "start" "-a" "423dedb15a0208922b631832cf4e4ce99869c048cdabafeeaf3ba7280504b0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "423dedb15a0208922b631832cf4e4ce99869c048cdabafeeaf3ba7280504b0d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423dedb15a0208922b631832cf4e4ce99869c048cdabafeeaf3ba7280504b0d5", kill_on_drop: false }`
[INFO] [stdout] 423dedb15a0208922b631832cf4e4ce99869c048cdabafeeaf3ba7280504b0d5
[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=forbid" "-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" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 417bddd74a59f1a4b0a1f483597795325ac69ac911e4e92039f93514a8e94e1f
[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" "417bddd74a59f1a4b0a1f483597795325ac69ac911e4e92039f93514a8e94e1f", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking weezl v0.1.1
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking simplectic-noise v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]   --> src/lib.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | #![allow(unstable)]
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unknown_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unknown lint: `unstable`
[INFO] [stdout]    --> src/simplectic.rs:253:9
[INFO] [stdout]     |
[INFO] [stdout] 253 | #[allow(unstable)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::Float`
[INFO] [stdout]   --> src/gradient.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::num::Float;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::Float`, `std::num::NumCast`
[INFO] [stdout]   --> src/math.rs:17:22
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::num::{self, Float, NumCast};
[INFO] [stdout]    |                      ^^^^^  ^^^^^^^ no `NumCast` in `num`
[INFO] [stdout]    |                      |
[INFO] [stdout]    |                      no `Float` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::rand`
[INFO] [stdout]   --> src/seed.rs:17:10
[INFO] [stdout]    |
[INFO] [stdout] 17 | use std::rand::{Rand, Rng, SeedableRng, XorShiftRng};
[INFO] [stdout]    |          ^^^^ could not find `rand` in `std`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `std::num::SignedInt`
[INFO] [stdout]   --> src/seed.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use std::num::SignedInt;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^ no `SignedInt` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `std::num::cast`, `std::num::Float`
[INFO] [stdout]   --> src/simplectic.rs:33:16
[INFO] [stdout]    |
[INFO] [stdout] 33 | use std::num::{cast, Float};
[INFO] [stdout]    |                ^^^^  ^^^^^ no `Float` in `num`
[INFO] [stdout]    |                |
[INFO] [stdout]    |                no `cast` in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `cast` in module `num`
[INFO] [stdout]   --> src/math.rs:20:10
[INFO] [stdout]    |
[INFO] [stdout] 20 |     num::cast(x).unwrap()
[INFO] [stdout]    |          ^^^^ not found in `num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `range_inclusive` in module `std::iter`
[INFO] [stdout]   --> src/seed.rs:34:50
[INFO] [stdout]    |
[INFO] [stdout] 34 |         let mut x_values: Vec<u8> = ::std::iter::range_inclusive(0, (TABLE_SIZE - 1) as u8).collect();
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^^ not found in `std::iter`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 7 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simplectic-noise`
[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" "417bddd74a59f1a4b0a1f483597795325ac69ac911e4e92039f93514a8e94e1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "417bddd74a59f1a4b0a1f483597795325ac69ac911e4e92039f93514a8e94e1f", kill_on_drop: false }`
[INFO] [stdout] 417bddd74a59f1a4b0a1f483597795325ac69ac911e4e92039f93514a8e94e1f