[INFO] updating cached repository https://github.com/mrzombi3/rustlings [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] 1c789dda08a57e1a3292d42e2d63f2c4d631057d [INFO] checking mrzombi3/rustlings against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrzombi3%2Frustlings" "/workspace/builds/worker-5/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mrzombi3/rustlings on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/mrzombi3/rustlings [INFO] finished tweaking git repo https://github.com/mrzombi3/rustlings [INFO] tweaked toml for git repo https://github.com/mrzombi3/rustlings written to /workspace/builds/worker-5/source/Cargo.toml [INFO] crate git repo https://github.com/mrzombi3/rustlings already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=forbid" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e3a513c10b4738d7f1d089ce8730b88851c6809cdd88e5fc05db5d5f1f65db1a [INFO] running `"docker" "start" "-a" "e3a513c10b4738d7f1d089ce8730b88851c6809cdd88e5fc05db5d5f1f65db1a"` [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling serde v1.0.92 [INFO] [stderr] Checking scopeguard v1.0.0 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking slab v0.4.2 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking lazycell v1.2.1 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Compiling libc v0.2.58 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking lock_api v0.2.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking rand_chacha v0.1.1 [INFO] [stderr] Checking rand_pcg v0.1.2 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking net2 v0.2.33 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking termios v0.3.1 [INFO] [stderr] Checking inotify-sys v0.1.3 [INFO] [stderr] Checking clicolors-control v1.0.0 [INFO] [stderr] Checking clicolors-control v0.2.0 [INFO] [stderr] Checking filetime v0.2.5 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking rand v0.6.5 [INFO] [stderr] Checking mio v0.6.19 [INFO] [stderr] Checking inotify v0.6.1 [INFO] [stderr] Compiling parking_lot_core v0.5.0 [INFO] [stderr] Compiling parking_lot v0.8.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/distributions/bernoulli.rs:85:28 [INFO] [stderr] | [INFO] [stderr] 85 | Bernoulli { p_int: (p * SCALE) as u64 } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/distributions/bernoulli.rs:105:21 [INFO] [stderr] | [INFO] [stderr] 105 | let p_int = ((numerator as f64 / denominator as f64) * SCALE) as u64; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/distributions/poisson.rs:95:30 [INFO] [stderr] | [INFO] [stderr] 95 | int_result = result as u64; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/distributions/binomial.rs:124:22 [INFO] [stderr] | [INFO] [stderr] 124 | self.n - lresult as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0606]: casting `f64` as `u64` is invalid [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/rand-0.6.5/src/distributions/binomial.rs:126:13 [INFO] [stderr] | [INFO] [stderr] 126 | lresult as u64 [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 5 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0606`. [INFO] [stderr] error: could not compile `rand`. [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" "e3a513c10b4738d7f1d089ce8730b88851c6809cdd88e5fc05db5d5f1f65db1a"` [INFO] running `"docker" "rm" "-f" "e3a513c10b4738d7f1d089ce8730b88851c6809cdd88e5fc05db5d5f1f65db1a"` [INFO] [stdout] e3a513c10b4738d7f1d089ce8730b88851c6809cdd88e5fc05db5d5f1f65db1a