[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] testing arthurprs/rust-optimized-inttostr against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farthurprs%2Frust-optimized-inttostr" "/workspace/builds/worker-0/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/arthurprs/rust-optimized-inttostr on toolchain 1.44.0 [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "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-0/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" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /workspace/builds/worker-0/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 [INFO] the lockfile is outdated, regenerating it [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=warn" "-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" "+1.44.0" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 2534a589170efcbf0d62803d5b10149987b7e4997b16f8d8d8ac70103e56fe79 [INFO] running `"docker" "start" "-a" "2534a589170efcbf0d62803d5b10149987b7e4997b16f8d8d8ac70103e56fe79"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling libc v0.2.71 [INFO] [stderr] Compiling ppv-lite86 v0.2.8 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling 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[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[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(custom_derive)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/main.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(test)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [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] 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] error: aborting due to 4 previous errors; 6 warnings emitted [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0554, E0557. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `int`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2534a589170efcbf0d62803d5b10149987b7e4997b16f8d8d8ac70103e56fe79"` [INFO] running `"docker" "rm" "-f" "2534a589170efcbf0d62803d5b10149987b7e4997b16f8d8d8ac70103e56fe79"` [INFO] [stdout] 2534a589170efcbf0d62803d5b10149987b7e4997b16f8d8d8ac70103e56fe79