[INFO] fetching crate mc-oblivious-ram 2.0.0...
[INFO] testing mc-oblivious-ram-2.0.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate mc-oblivious-ram 2.0.0 into /workspace/builds/worker-55/source
[INFO] validating manifest of crates.io crate mc-oblivious-ram 2.0.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mc-oblivious-ram 2.0.0
[INFO] finished tweaking crates.io crate mc-oblivious-ram 2.0.0
[INFO] tweaked toml for crates.io crate mc-oblivious-ram 2.0.0 written to /workspace/builds/worker-55/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a46a00a2f52077da18b9082c97412cb393a6ac013358cb52eba7c5c7351c57b6
[INFO] running `Command { std: "docker" "start" "-a" "a46a00a2f52077da18b9082c97412cb393a6ac013358cb52eba7c5c7351c57b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a46a00a2f52077da18b9082c97412cb393a6ac013358cb52eba7c5c7351c57b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a46a00a2f52077da18b9082c97412cb393a6ac013358cb52eba7c5c7351c57b6", kill_on_drop: false }`
[INFO] [stdout] a46a00a2f52077da18b9082c97412cb393a6ac013358cb52eba7c5c7351c57b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1cd3d5d2c2345740ecfe0e5d099e155f579b5e59630f7b156fc85efb7b0e49ed
[INFO] running `Command { std: "docker" "start" "-a" "1cd3d5d2c2345740ecfe0e5d099e155f579b5e59630f7b156fc85efb7b0e49ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling subtle v2.4.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling aligned-array v1.0.1
[INFO] [stderr]    Compiling aligned-cmov v2.0.0
[INFO] [stderr]    Compiling balanced-tree-index v2.0.0
[INFO] [stderr]    Compiling mc-oblivious-traits v2.0.0
[INFO] [stderr]    Compiling mc-oblivious-ram v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "1cd3d5d2c2345740ecfe0e5d099e155f579b5e59630f7b156fc85efb7b0e49ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cd3d5d2c2345740ecfe0e5d099e155f579b5e59630f7b156fc85efb7b0e49ed", kill_on_drop: false }`
[INFO] [stdout] 1cd3d5d2c2345740ecfe0e5d099e155f579b5e59630f7b156fc85efb7b0e49ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-55/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b1ac1cd54b29e0ba0a835c4c05f784b7d08eb7e68171d84e8a4b25731bdbe9
[INFO] running `Command { std: "docker" "start" "-a" "d3b1ac1cd54b29e0ba0a835c4c05f784b7d08eb7e68171d84e8a4b25731bdbe9", kill_on_drop: false }`
[INFO] [stderr]    Compiling mc-oblivious-ram v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `test_helper`
[INFO] [stdout]    --> src/lib.rs:100:9
[INFO] [stdout]     |
[INFO] [stdout] 100 |     use test_helper::{run_with_several_seeds, RngType};
[INFO] [stdout]     |         ^^^^^^^^^^^ use of undeclared crate or module `test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ORAM`
[INFO] [stdout]   --> src/lib.rs:99:75
[INFO] [stdout]    |
[INFO] [stdout] 99 |     use mc_oblivious_traits::{rng_maker, testing, HeapORAMStorageCreator, ORAM};
[INFO] [stdout]    |                                                                           ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mc-oblivious-ram` due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "d3b1ac1cd54b29e0ba0a835c4c05f784b7d08eb7e68171d84e8a4b25731bdbe9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b1ac1cd54b29e0ba0a835c4c05f784b7d08eb7e68171d84e8a4b25731bdbe9", kill_on_drop: false }`
[INFO] [stdout] d3b1ac1cd54b29e0ba0a835c4c05f784b7d08eb7e68171d84e8a4b25731bdbe9