[INFO] updating cached repository https://github.com/jkuczm/tree_cache [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] 9927b0a0a8c4928625afa1d6f12175975563d80c [INFO] testing jkuczm/tree_cache against 1.44.0 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjkuczm%2Ftree_cache" "/workspace/builds/worker-8/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jkuczm/tree_cache 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/jkuczm/tree_cache [INFO] finished tweaking git repo https://github.com/jkuczm/tree_cache [INFO] tweaked toml for git repo https://github.com/jkuczm/tree_cache written to /workspace/builds/worker-8/source/Cargo.toml [INFO] crate git repo https://github.com/jkuczm/tree_cache 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] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] 8d4bbdc73da1cec4feb23ed633d1202126859899f082ab82543eff03d9657ef1 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "8d4bbdc73da1cec4feb23ed633d1202126859899f082ab82543eff03d9657ef1"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling memchr v2.1.3 [INFO] [stderr] Compiling serde v1.0.87 [INFO] [stderr] Compiling crunchy v0.2.1 [INFO] [stderr] Compiling rustc-hex v2.0.1 [INFO] [stderr] Compiling array-macro v1.0.3 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling bincode v1.1.1 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling num_cpus v1.9.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling syn v0.15.26 [INFO] [stderr] Compiling crossbeam-epoch v0.3.1 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling uint v0.6.1 [INFO] [stderr] Compiling crossbeam-deque v0.2.0 [INFO] [stderr] Compiling rayon-core v1.4.1 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling rayon v1.0.3 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling failure_derive v0.1.5 [INFO] [stderr] Compiling structopt-derive v0.2.15 [INFO] [stderr] Compiling serde_derive v1.0.87 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling exitfailure v0.5.1 [INFO] [stderr] Compiling structopt v0.2.15 [INFO] [stderr] Compiling clap-verbosity-flag v0.2.0 [INFO] [stderr] Compiling tree_cache v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | / #![feature( [INFO] [stderr] 2 | | vec_resize_default, step_trait, associated_type_defaults, result_map_or_else, [INFO] [stderr] 3 | | proc_macro_hygiene [INFO] [stderr] 4 | | )] [INFO] [stderr] | |__^ [INFO] [stderr] [INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead [INFO] [stderr] --> src/lib.rs:375:1 [INFO] [stderr] | [INFO] [stderr] 375 | construct_cache_segment!(CacheSegment32, UintMap32); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/lib.rs:376:1 [INFO] [stderr] | [INFO] [stderr] 376 | construct_cache_segment!(CacheSegment64, UintMap64); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/lib.rs:377:1 [INFO] [stderr] | [INFO] [stderr] 377 | construct_cache_segment!(CacheSegment128, UintMap128); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/lib.rs:378:1 [INFO] [stderr] | [INFO] [stderr] 378 | construct_cache_segment!(CacheSegment192, UintMap192); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/lib.rs:379:1 [INFO] [stderr] | [INFO] [stderr] 379 | construct_cache_segment!(CacheSegment256, UintMap256); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/uint.rs:311:1 [INFO] [stderr] | [INFO] [stderr] 311 | construct_large_uint!(U192, 3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/uint.rs:311:1 [INFO] [stderr] | [INFO] [stderr] 311 | construct_large_uint!(U192, 3); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/uint.rs:312:1 [INFO] [stderr] | [INFO] [stderr] 312 | construct_large_uint!(U256, 4); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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/uint.rs:312:1 [INFO] [stderr] | [INFO] [stderr] 312 | construct_large_uint!(U256, 4); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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: aborting due to previous error; 9 warnings emitted [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: could not compile `tree_cache`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "8d4bbdc73da1cec4feb23ed633d1202126859899f082ab82543eff03d9657ef1"` [INFO] running `"docker" "rm" "-f" "8d4bbdc73da1cec4feb23ed633d1202126859899f082ab82543eff03d9657ef1"` [INFO] [stdout] 8d4bbdc73da1cec4feb23ed633d1202126859899f082ab82543eff03d9657ef1