[INFO] fetching crate sfmt 0.7.0...
[INFO] checking sfmt-0.7.0 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate sfmt 0.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate sfmt 0.7.0 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sfmt 0.7.0
[INFO] finished tweaking crates.io crate sfmt 0.7.0
[INFO] tweaked toml for crates.io crate sfmt 0.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d45d226d6193e94fa6e59ca8671863543b2e4e2381a63ac776937f43ba1598c
[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" "6d45d226d6193e94fa6e59ca8671863543b2e4e2381a63ac776937f43ba1598c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d45d226d6193e94fa6e59ca8671863543b2e4e2381a63ac776937f43ba1598c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d45d226d6193e94fa6e59ca8671863543b2e4e2381a63ac776937f43ba1598c", kill_on_drop: false }`
[INFO] [stdout] 6d45d226d6193e94fa6e59ca8671863543b2e4e2381a63ac776937f43ba1598c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6df00cbfe6fbf788964a5cfde2ee061ab684aa8ba09d84bf331dfc0164209ec4
[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" "6df00cbfe6fbf788964a5cfde2ee061ab684aa8ba09d84bf331dfc0164209ec4", kill_on_drop: false }`
[INFO] [stderr]     Checking sfmt v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `XorShiftRng`
[INFO] [stdout]   --> benches/rand_gen.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     def_bench!(xorshift, f64, XorShiftRng::from_entropy());
[INFO] [stdout]    |                               ^^^^^^^^^^^ use of undeclared type `XorShiftRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `XorShiftRng`
[INFO] [stdout]   --> benches/rand_gen.rs:33:31
[INFO] [stdout]    |
[INFO] [stdout] 33 |     def_bench!(xorshift, f32, XorShiftRng::from_entropy());
[INFO] [stdout]    |                               ^^^^^^^^^^^ use of undeclared type `XorShiftRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `XorShiftRng`
[INFO] [stdout]   --> benches/rand_gen.rs:39:31
[INFO] [stdout]    |
[INFO] [stdout] 39 |     def_bench!(xorshift, u64, XorShiftRng::from_entropy());
[INFO] [stdout]    |                               ^^^^^^^^^^^ use of undeclared type `XorShiftRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `XorShiftRng`
[INFO] [stdout]   --> benches/rand_gen.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |     def_bench!(xorshift, u32, XorShiftRng::from_entropy());
[INFO] [stdout]    |                               ^^^^^^^^^^^ use of undeclared type `XorShiftRng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> benches/rand_gen.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0433, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sfmt` due to 6 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "6df00cbfe6fbf788964a5cfde2ee061ab684aa8ba09d84bf331dfc0164209ec4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6df00cbfe6fbf788964a5cfde2ee061ab684aa8ba09d84bf331dfc0164209ec4", kill_on_drop: false }`
[INFO] [stdout] 6df00cbfe6fbf788964a5cfde2ee061ab684aa8ba09d84bf331dfc0164209ec4
