[INFO] updating cached repository https://github.com/khernyo/qc-playground
[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] 3877fdb35e4285a6bc1a85534f3b0eb1fecc2dd7
[INFO] checking khernyo/qc-playground against try#d7b51666469c792a8a3f40849607739bae1e705e for pr-71665
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkhernyo%2Fqc-playground" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/khernyo/qc-playground on toolchain d7b51666469c792a8a3f40849607739bae1e705e
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/khernyo/qc-playground
[INFO] finished tweaking git repo https://github.com/khernyo/qc-playground
[INFO] tweaked toml for git repo https://github.com/khernyo/qc-playground written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/khernyo/qc-playground already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d7b51666469c792a8a3f40849607739bae1e705e" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+d7b51666469c792a8a3f40849607739bae1e705e" "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] e2630793adfbc576cda61ead7ec02c7250c757ec7c98d3747c1a0c298d749a7d
[INFO] running `"docker" "start" "-a" "e2630793adfbc576cda61ead7ec02c7250c757ec7c98d3747c1a0c298d749a7d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling rustc-cfg v0.2.0
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking rand_core v0.4.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking alga v0.5.4
[INFO] [stderr]    Compiling ramp v0.5.1
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr] error[E0432]: unresolved import `std::alloc::Alloc`
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.1/src/mem.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 | use std::alloc::{self, Alloc};
[INFO] [stderr]    |                        ^^^^^
[INFO] [stderr]    |                        |
[INFO] [stderr]    |                        no `Alloc` in `alloc`
[INFO] [stderr]    |                        help: a similar name exists in the module: `alloc`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `alloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.1/src/mem.rs:47:35
[INFO] [stderr]     |
[INFO] [stderr] 47  |     let ret = match alloc::Global.alloc(layout.clone()) {
[INFO] [stderr]     |                                   ^^^^^ method not found in `std::alloc::Global`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::alloc::AllocRef;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `dealloc` found for struct `std::alloc::Global` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.1/src/mem.rs:64:19
[INFO] [stderr]     |
[INFO] [stderr] 64  |     alloc::Global.dealloc(ptr, layout);
[INFO] [stderr]     |                   ^^^^^^^ method not found in `std::alloc::Global`
[INFO] [stderr]     |
[INFO] [stderr]     = help: items from traits can only be used if the trait is in scope
[INFO] [stderr]     = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
[INFO] [stderr]             `use std::alloc::AllocRef;`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `cap` found for struct `alloc::raw_vec::RawVec<ll::limb::Limb>` in the current scope
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.1/src/int.rs:164:31
[INFO] [stderr]     |
[INFO] [stderr] 164 |             let new_cap = vec.cap();
[INFO] [stderr]     |                               ^^^ private field, not a method
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no function or associated item named `empty` found for struct `std::ptr::Unique<_>` in the current scope
[INFO] [stderr]     --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/ramp-0.5.1/src/int.rs:3582:26
[INFO] [stderr]      |
[INFO] [stderr] 3582 |             ptr: Unique::empty(),
[INFO] [stderr]      |                          ^^^^^ function or associated item not found in `std::ptr::Unique<_>`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 5 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `ramp`.
[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" "e2630793adfbc576cda61ead7ec02c7250c757ec7c98d3747c1a0c298d749a7d"`
[INFO] running `"docker" "rm" "-f" "e2630793adfbc576cda61ead7ec02c7250c757ec7c98d3747c1a0c298d749a7d"`
[INFO] [stdout] e2630793adfbc576cda61ead7ec02c7250c757ec7c98d3747c1a0c298d749a7d