[INFO] fetching crate solana_rbpf 0.2.8...
[INFO] checking solana_rbpf-0.2.8 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate solana_rbpf 0.2.8 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate solana_rbpf 0.2.8 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate solana_rbpf 0.2.8
[INFO] finished tweaking crates.io crate solana_rbpf 0.2.8
[INFO] tweaked toml for crates.io crate solana_rbpf 0.2.8 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate solana_rbpf 0.2.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded plain v0.2.3
[INFO] [stderr]   Downloaded byteorder v0.5.3
[INFO] [stderr]   Downloaded elf v0.0.10
[INFO] [stderr]   Downloaded hash32 v0.1.0
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded proc-macro2 v1.0.9
[INFO] [stderr]   Downloaded scroll v0.10.1
[INFO] [stderr]   Downloaded thiserror v1.0.13
[INFO] [stderr]   Downloaded thiserror-impl v1.0.13
[INFO] [stderr]   Downloaded quote v1.0.3
[INFO] [stderr]   Downloaded goblin v0.3.0
[INFO] [stderr]   Downloaded libc v0.2.69
[INFO] [stderr]   Downloaded json v0.11.15
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded getrandom v0.1.14
[INFO] [stderr]   Downloaded scroll_derive v0.10.1
[INFO] [stderr]   Downloaded syn v1.0.17
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e790b8263dadfc6e5f02dfa3a0d52a8003cc61be195469a0c715ed60e50d166
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6e790b8263dadfc6e5f02dfa3a0d52a8003cc61be195469a0c715ed60e50d166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e790b8263dadfc6e5f02dfa3a0d52a8003cc61be195469a0c715ed60e50d166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e790b8263dadfc6e5f02dfa3a0d52a8003cc61be195469a0c715ed60e50d166", kill_on_drop: false }`
[INFO] [stdout] 6e790b8263dadfc6e5f02dfa3a0d52a8003cc61be195469a0c715ed60e50d166
[INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fca8429b472bcdb54cebdc4d72e227b57ef9e1e20293c156b5c57948ab9dbceb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "fca8429b472bcdb54cebdc4d72e227b57ef9e1e20293c156b5c57948ab9dbceb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking elf v0.0.10
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking hash32 v0.1.0
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling scroll_derive v0.10.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.13
[INFO] [stderr]     Checking scroll v0.10.1
[INFO] [stderr]     Checking thiserror v1.0.13
[INFO] [stderr]     Checking goblin v0.3.0
[INFO] [stderr]     Checking solana_rbpf v0.2.8 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> tests/ubpf_execution.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]  --> tests/assembler.rs:8:1
[INFO] [stdout]   |
[INFO] [stdout] 8 | extern crate test_utils;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> benches/elf_loader.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `solana_rbpf`
[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] [stdout] error[E0432]: unresolved import `test_utils`
[INFO] [stdout]   --> benches/vm_execution.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use test_utils::TestInstructionMeter;
[INFO] [stdout]    |     ^^^^^^^^^^ use of undeclared crate or module `test_utils`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `test_utils`
[INFO] [stdout]   --> tests/misc.rs:22:1
[INFO] [stdout]    |
[INFO] [stdout] 22 | extern crate test_utils;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "fca8429b472bcdb54cebdc4d72e227b57ef9e1e20293c156b5c57948ab9dbceb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca8429b472bcdb54cebdc4d72e227b57ef9e1e20293c156b5c57948ab9dbceb", kill_on_drop: false }`
[INFO] [stdout] fca8429b472bcdb54cebdc4d72e227b57ef9e1e20293c156b5c57948ab9dbceb