[INFO] crate null-vec 0.1.0 is already in cache
[INFO] checking null-vec-0.1.0 against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] extracting crate null-vec 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate null-vec 0.1.0 on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate null-vec 0.1.0
[INFO] finished tweaking crates.io crate null-vec 0.1.0
[INFO] tweaked toml for crates.io crate null-vec 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 2c9d8137271d80466009905f1ed87f2f41c37ed4e17755cb6259bf8e927b978b
[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" "2c9d8137271d80466009905f1ed87f2f41c37ed4e17755cb6259bf8e927b978b"`
[INFO] [stderr]     Checking null-vec v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use alloc::raw_vec::RawVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 |     raw: RawVec<T>,
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |         NullVec { raw: RawVec::new() }
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut vec = NullVec { raw: RawVec::with_capacity(cap) };
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]  --> src/lib.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use alloc::raw_vec::RawVec;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 |     raw: RawVec<T>,
[INFO] [stderr]    |          ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:50:24
[INFO] [stderr]    |
[INFO] [stderr] 50 |         NullVec { raw: RawVec::new() }
[INFO] [stderr]    |                        ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:54:38
[INFO] [stderr]    |
[INFO] [stderr] 54 |         let mut vec = NullVec { raw: RawVec::with_capacity(cap) };
[INFO] [stderr]    |                                      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<_>` in the current scope
[INFO] [stderr]   --> src/lib.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for i in 0..vec.raw.cap() {
[INFO] [stderr]    |                             ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<_>` in the current scope
[INFO] [stderr]   --> src/lib.rs:55:29
[INFO] [stderr]    |
[INFO] [stderr] 55 |         for i in 0..vec.raw.cap() {
[INFO] [stderr]    |                             ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let cap = self.raw.cap();
[INFO] [stderr]    |                            ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |             self.raw.reserve(cap, idx - cap + 1);
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |             for i in cap..self.raw.cap() {
[INFO] [stderr]    |                                    ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:65:28
[INFO] [stderr]    |
[INFO] [stderr] 65 |         let cap = self.raw.cap();
[INFO] [stderr]    |                            ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]   --> src/lib.rs:67:22
[INFO] [stderr]    |
[INFO] [stderr] 67 |             self.raw.reserve(cap, idx - cap + 1);
[INFO] [stderr]    |                      ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:80:27
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if idx < self.raw.cap() {
[INFO] [stderr]    |                           ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:68:36
[INFO] [stderr]    |
[INFO] [stderr] 68 |             for i in cap..self.raw.cap() {
[INFO] [stderr]    |                                    ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:89:27
[INFO] [stderr]    |
[INFO] [stderr] 89 |         if idx < self.raw.cap() {
[INFO] [stderr]    |                           ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:80:27
[INFO] [stderr]    |
[INFO] [stderr] 80 |         if idx < self.raw.cap() {
[INFO] [stderr]    |                           ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:99:34
[INFO] [stderr]    |
[INFO] [stderr] 99 |         for i in start..self.raw.cap() {
[INFO] [stderr]    |                                  ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]    --> src/lib.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |         return self.raw.cap()
[INFO] [stderr]     |                         ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:89:27
[INFO] [stderr]    |
[INFO] [stderr] 89 |         if idx < self.raw.cap() {
[INFO] [stderr]    |                           ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/lib.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |         &*self.raw.ptr().offset(idx as isize)
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/lib.rs:114:24
[INFO] [stderr]     |
[INFO] [stderr] 114 |         &mut *self.raw.ptr().offset(idx as isize)
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]   --> src/lib.rs:99:34
[INFO] [stderr]    |
[INFO] [stderr] 99 |         for i in start..self.raw.cap() {
[INFO] [stderr]    |                                  ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<T>` in the current scope
[INFO] [stderr]    --> src/lib.rs:106:25
[INFO] [stderr]     |
[INFO] [stderr] 106 |         return self.raw.cap()
[INFO] [stderr]     |                         ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/lib.rs:110:20
[INFO] [stderr]     |
[INFO] [stderr] 110 |         &*self.raw.ptr().offset(idx as isize)
[INFO] [stderr]     |                    ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error[E0658]: use of unstable library feature 'raw_vec_internals': implementation detail
[INFO] [stderr]    --> src/lib.rs:114:24
[INFO] [stderr]     |
[INFO] [stderr] 114 |         &mut *self.raw.ptr().offset(idx as isize)
[INFO] [stderr]     |                        ^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: add `#![feature(raw_vec_internals)]` to the crate attributes to enable
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `null-vec`.
[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: aborting due to 14 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0599, E0658.
[INFO] [stderr] For more information about an error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `null-vec`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "2c9d8137271d80466009905f1ed87f2f41c37ed4e17755cb6259bf8e927b978b"`
[INFO] running `"docker" "rm" "-f" "2c9d8137271d80466009905f1ed87f2f41c37ed4e17755cb6259bf8e927b978b"`
[INFO] [stdout] 2c9d8137271d80466009905f1ed87f2f41c37ed4e17755cb6259bf8e927b978b