[INFO] cloning repository https://github.com/arthurprs/rust-optimized-inttostr [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arthurprs/rust-optimized-inttostr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurprs%2Frust-optimized-inttostr"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurprs%2Frust-optimized-inttostr'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 56400b3908436b4b630da47ec66738a266d39fef [INFO] checking arthurprs/rust-optimized-inttostr against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurprs%2Frust-optimized-inttostr" "/workspace/builds/worker-13/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arthurprs/rust-optimized-inttostr on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/arthurprs/rust-optimized-inttostr [INFO] finished tweaking git repo https://github.com/arthurprs/rust-optimized-inttostr [INFO] tweaked toml for git repo https://github.com/arthurprs/rust-optimized-inttostr written to /workspace/builds/worker-13/source/Cargo.toml [INFO] crate git repo https://github.com/arthurprs/rust-optimized-inttostr already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-13/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "+45d050cde277b22a755847338f2acc2c7b834141" "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] 442df3db80ea92887cec412ef4ac8da05efeab8b95f5f7882cb68522c0baa2b9 [INFO] running `"docker" "start" "-a" "442df3db80ea92887cec412ef4ac8da05efeab8b95f5f7882cb68522c0baa2b9"` [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking int v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(custom_derive)] [INFO] [stderr] | ^^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: subsumed by `#[proc_macro_derive]` [INFO] [stderr] [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/main.rs:1:12 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(custom_derive)] [INFO] [stderr] | ^^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: subsumed by `#[proc_macro_derive]` [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `rand::StdRng` [INFO] [stderr] --> src/main.rs:11:31 [INFO] [stderr] | [INFO] [stderr] 11 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^^^^ no `StdRng` in the root [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::num::Wrapping` [INFO] [stderr] --> src/wrapper.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::num::Wrapping; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 99 | impl_Display!(i8, u8, i16, u16, i32, u32: to_u32); [INFO] [stderr] | -------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 99 | impl_Display!(i8, u8, i16, u16, i32, u32: to_u32); [INFO] [stderr] | -------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 100 | impl_Display!(i64, u64: to_u64); [INFO] [stderr] | -------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 104 | impl_Display!(isize, usize: to_u64); [INFO] [stderr] | ------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `rand::StdRng` [INFO] [stderr] --> src/main.rs:11:31 [INFO] [stderr] | [INFO] [stderr] 11 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^^^^ no `StdRng` in the root [INFO] [stderr] [INFO] [stderr] error[E0432]: unresolved import `rand::StdRng` [INFO] [stderr] --> src/bench.rs:6:30 [INFO] [stderr] | [INFO] [stderr] 6 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^^^^ no `StdRng` in the root [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 262 | test_from_str_type!(u8: test_from_str_u8); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 263 | test_from_str_type!(u16: test_from_str_u16); [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 264 | test_from_str_type!(u32: test_from_str_u32); [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 265 | test_from_str_type!(u64: test_from_str_u64); [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 266 | test_from_str_type!(i8: test_from_str_i8); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 267 | test_from_str_type!(i16: test_from_str_i16); [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 268 | test_from_str_type!(i32: test_from_str_i32); [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:253:37 [INFO] [stderr] | [INFO] [stderr] 253 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 269 | test_from_str_type!(i64: test_from_str_i64); [INFO] [stderr] | -------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 315 | test_display_type!(u8: test_display_u8); [INFO] [stderr] | ---------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 316 | test_display_type!(u16: test_display_u16); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 317 | test_display_type!(u32: test_display_u32); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 318 | test_display_type!(u64: test_display_u64); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 319 | test_display_type!(i8: test_display_i8); [INFO] [stderr] | ---------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 320 | test_display_type!(i16: test_display_i16); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 321 | test_display_type!(i32: test_display_i32); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0425]: cannot find function `weak_rng` in crate `rand` [INFO] [stderr] --> src/wrapper.rs:306:37 [INFO] [stderr] | [INFO] [stderr] 306 | let mut rnd = rand::weak_rng(); [INFO] [stderr] | ^^^^^^^^ not found in `rand` [INFO] [stderr] ... [INFO] [stderr] 322 | test_display_type!(i64: test_display_i64); [INFO] [stderr] | ------------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this error originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::num::Wrapping` [INFO] [stderr] --> src/wrapper.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::num::Wrapping; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/wrapper.rs:280:18 [INFO] [stderr] | [INFO] [stderr] 280 | for i in (0i64..10000) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `for` iterator expression [INFO] [stderr] --> src/wrapper.rs:288:18 [INFO] [stderr] | [INFO] [stderr] 288 | for i in (0i64..10000) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unused import: `Rng` [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 99 | impl_Display!(i8, u8, i16, u16, i32, u32: to_u32); [INFO] [stderr] | -------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors; 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0557. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 99 | impl_Display!(i8, u8, i16, u16, i32, u32: to_u32); [INFO] [stderr] | -------------------------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 100 | impl_Display!(i64, u64: to_u64); [INFO] [stderr] | -------------------------------- in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/wrapper.rs:47:46 [INFO] [stderr] | [INFO] [stderr] 47 | let mut buf: [u8; 20] = unsafe { mem::uninitialized() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 104 | impl_Display!(isize, usize: to_u64); [INFO] [stderr] | ------------------------------------ in this macro invocation [INFO] [stderr] | [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error: could not compile `int`. [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] warning: unused import: `Rng` [INFO] [stderr] --> src/wrapper.rs:221:22 [INFO] [stderr] | [INFO] [stderr] 221 | use rand::{self, Rng}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Rng` [INFO] [stderr] --> src/wrapper.rs:276:22 [INFO] [stderr] | [INFO] [stderr] 276 | use rand::{self, Rng}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Rng` [INFO] [stderr] --> src/main.rs:11:13 [INFO] [stderr] | [INFO] [stderr] 11 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::fmt::Write` [INFO] [stderr] --> src/bench.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use std::fmt::Write as fmtWrite; [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Rng` [INFO] [stderr] --> src/bench.rs:6:12 [INFO] [stderr] | [INFO] [stderr] 6 | use rand::{Rng, SeedableRng, StdRng}; [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to 19 previous errors; 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0557. [INFO] [stderr] For more information about an error, try `rustc --explain E0425`. [INFO] [stderr] error: could not compile `int`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "442df3db80ea92887cec412ef4ac8da05efeab8b95f5f7882cb68522c0baa2b9"` [INFO] running `"docker" "rm" "-f" "442df3db80ea92887cec412ef4ac8da05efeab8b95f5f7882cb68522c0baa2b9"` [INFO] [stdout] 442df3db80ea92887cec412ef4ac8da05efeab8b95f5f7882cb68522c0baa2b9