[INFO] fetching crate balanced-tree-index 2.3.0...
[INFO] checking balanced-tree-index-2.3.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate balanced-tree-index 2.3.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate balanced-tree-index 2.3.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate balanced-tree-index 2.3.0
[INFO] finished tweaking crates.io crate balanced-tree-index 2.3.0
[INFO] tweaked toml for crates.io crate balanced-tree-index 2.3.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded aligned-array v1.0.1
[INFO] [stderr]   Downloaded aligned-cmov v2.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af493fe0e024a1882fa6d30a2ab0d596da6fa0a6eac150858ccf1939fec63a86
[INFO] running `Command { std: "docker" "start" "-a" "af493fe0e024a1882fa6d30a2ab0d596da6fa0a6eac150858ccf1939fec63a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af493fe0e024a1882fa6d30a2ab0d596da6fa0a6eac150858ccf1939fec63a86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af493fe0e024a1882fa6d30a2ab0d596da6fa0a6eac150858ccf1939fec63a86", kill_on_drop: false }`
[INFO] [stdout] af493fe0e024a1882fa6d30a2ab0d596da6fa0a6eac150858ccf1939fec63a86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 60351c937eeeb7ac1540289b037eca2641dff05c1b7dcc59253c6997ef44e676
[INFO] running `Command { std: "docker" "start" "-a" "60351c937eeeb7ac1540289b037eca2641dff05c1b7dcc59253c6997ef44e676", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking aligned-array v1.0.1
[INFO] [stderr]     Checking aligned-cmov v2.3.0
[INFO] [stderr]     Checking balanced-tree-index v2.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_helper`
[INFO] [stdout]    --> src/lib.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         test_helper::run_with_several_seeds(|mut rng| {
[INFO] [stdout]     |         ^^^^^^^^^^^ use of undeclared crate or module `test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_helper`
[INFO] [stdout]    --> src/lib.rs:252:9
[INFO] [stdout]     |
[INFO] [stdout] 252 |         test_helper::run_with_several_seeds(|mut rng| {
[INFO] [stdout]     |         ^^^^^^^^^^^ use of undeclared crate or module `test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_helper`
[INFO] [stdout]    --> src/lib.rs:441:9
[INFO] [stdout]     |
[INFO] [stdout] 441 |         test_helper::run_with_several_seeds(|mut rng| {
[INFO] [stdout]     |         ^^^^^^^^^^^ use of undeclared crate or module `test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `test_helper`
[INFO] [stdout]    --> src/lib.rs:470:9
[INFO] [stdout]     |
[INFO] [stdout] 470 |         test_helper::run_with_several_seeds(|mut rng| {
[INFO] [stdout]     |         ^^^^^^^^^^^ use of undeclared crate or module `test_helper`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `balanced-tree-index` (lib test) due to 5 previous errors
[INFO] running `Command { std: "docker" "inspect" "60351c937eeeb7ac1540289b037eca2641dff05c1b7dcc59253c6997ef44e676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60351c937eeeb7ac1540289b037eca2641dff05c1b7dcc59253c6997ef44e676", kill_on_drop: false }`
[INFO] [stdout] 60351c937eeeb7ac1540289b037eca2641dff05c1b7dcc59253c6997ef44e676
