[INFO] updating cached repository https://github.com/mizkichan/gp-fitting-example
[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] 7027ef0bdfd80b798416463e1a207c350c8b2f6c
[INFO] checking mizkichan/gp-fitting-example against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmizkichan%2Fgp-fitting-example" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mizkichan/gp-fitting-example on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/mizkichan/gp-fitting-example
[INFO] finished tweaking git repo https://github.com/mizkichan/gp-fitting-example
[INFO] tweaked toml for git repo https://github.com/mizkichan/gp-fitting-example written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/mizkichan/gp-fitting-example already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "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] 8068b4f9c1b047245657b7e4d5dd8a1b7a9bcc2b6203528f1d333c091e99010a
[INFO] running `"docker" "start" "-a" "8068b4f9c1b047245657b7e4d5dd8a1b7a9bcc2b6203528f1d333c091e99010a"`
[INFO] [stderr]     Checking gp-fitting-example v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]  --> src/lib.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stderr]   |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / lazy_static! {
[INFO] [stderr] 23 | |     pub static ref GP: RwLock<Population> = {
[INFO] [stderr] 24 | |         RwLock::new(Population::new(
[INFO] [stderr] 25 | |             100,            // size
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     };
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / lazy_static! {
[INFO] [stderr] 34 | |     pub static ref SEED: [u32; 4] = unsafe {
[INFO] [stderr] 35 | |         mem::transmute::<[f64; 2], [u32; 4]>([js_math_random(), js_math_random()])
[INFO] [stderr] 36 | |     };
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `gp-fitting-example`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0432]: unresolved import `std::heap`
[INFO] [stderr]  --> src/lib.rs:9:10
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::heap::{Alloc, Heap, Layout};
[INFO] [stderr]   |          ^^^^ could not find `heap` in `std`
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | / lazy_static! {
[INFO] [stderr] 23 | |     pub static ref GP: RwLock<Population> = {
[INFO] [stderr] 24 | |         RwLock::new(Population::new(
[INFO] [stderr] 25 | |             100,            // size
[INFO] [stderr] ...  |
[INFO] [stderr] 30 | |     };
[INFO] [stderr] 31 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stderr]   --> src/lib.rs:33:1
[INFO] [stderr]    |
[INFO] [stderr] 33 | / lazy_static! {
[INFO] [stderr] 34 | |     pub static ref SEED: [u32; 4] = unsafe {
[INFO] [stderr] 35 | |         mem::transmute::<[f64; 2], [u32; 4]>([js_math_random(), js_math_random()])
[INFO] [stderr] 36 | |     };
[INFO] [stderr] 37 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: could not compile `gp-fitting-example`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "8068b4f9c1b047245657b7e4d5dd8a1b7a9bcc2b6203528f1d333c091e99010a"`
[INFO] running `"docker" "rm" "-f" "8068b4f9c1b047245657b7e4d5dd8a1b7a9bcc2b6203528f1d333c091e99010a"`
[INFO] [stdout] 8068b4f9c1b047245657b7e4d5dd8a1b7a9bcc2b6203528f1d333c091e99010a