[INFO] fetching crate coaster-nn 0.5.0...
[INFO] checking coaster-nn-0.5.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate coaster-nn 0.5.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate coaster-nn 0.5.0 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coaster-nn 0.5.0
[INFO] finished tweaking crates.io crate coaster-nn 0.5.0
[INFO] tweaked toml for crates.io crate coaster-nn 0.5.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rcudnn v1.8.0
[INFO] [stderr]   Downloaded rcublas v0.6.0
[INFO] [stderr]   Downloaded rcublas-sys v0.5.0
[INFO] [stderr]   Downloaded rcudnn-sys v0.5.0
[INFO] [stderr]   Downloaded coaster v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b8041de56383e870f170a1fe6d723a1b7b7b515b3d713662d1a5b42fe2cb0e73
[INFO] running `Command { std: "docker" "start" "-a" "b8041de56383e870f170a1fe6d723a1b7b7b515b3d713662d1a5b42fe2cb0e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8041de56383e870f170a1fe6d723a1b7b7b515b3d713662d1a5b42fe2cb0e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8041de56383e870f170a1fe6d723a1b7b7b515b3d713662d1a5b42fe2cb0e73", kill_on_drop: false }`
[INFO] [stdout] b8041de56383e870f170a1fe6d723a1b7b7b515b3d713662d1a5b42fe2cb0e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa0c9490ee689d2433fbf74ccc1b2a27d2ec5a448af1c51acdc6f8d98b443400
[INFO] running `Command { std: "docker" "start" "-a" "aa0c9490ee689d2433fbf74ccc1b2a27d2ec5a448af1c51acdc6f8d98b443400", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcudnn-sys v0.5.0
[INFO] [stderr]    Compiling rcublas-sys v0.5.0
[INFO] [stderr]    Compiling syn v2.0.57
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking thiserror v1.0.58
[INFO] [stderr]     Checking rcudnn v1.8.0
[INFO] [stderr]     Checking rcublas v0.6.0
[INFO] [stderr]     Checking coaster v0.2.0
[INFO] [stderr]     Checking coaster-nn v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `num`
[INFO] [stdout]   --> src/tests/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub use num::{One, Zero};
[INFO] [stdout]    |         ^^^ help: a similar path exists: `std::num`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `env_logger`
[INFO] [stdout]    --> src/tests/rnn.rs:112:9
[INFO] [stdout]     |
[INFO] [stdout] 112 |     use env_logger as _;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^ no external crate `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]  --> src/tests/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std;
[INFO] [stdout]   |     ^^^ the item `std` is already defined by prelude
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RnnPaddingMode`, `self`
[INFO] [stdout]  --> src/tests/rnn.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     self, DirectionMode, RnnAlgorithm, RnnConfig, RnnInputMode, RnnNetworkMode, RnnPaddingMode,
[INFO] [stdout]   |     ^^^^                                                                        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `env_logger`
[INFO] [stdout]   --> src/tests/rnn.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let _ = env_logger::builder()
[INFO] [stdout]    |             ^^^^^^^^^^ use of undeclared crate or module `env_logger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coaster-nn` (lib test) due to 4 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "aa0c9490ee689d2433fbf74ccc1b2a27d2ec5a448af1c51acdc6f8d98b443400", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa0c9490ee689d2433fbf74ccc1b2a27d2ec5a448af1c51acdc6f8d98b443400", kill_on_drop: false }`
[INFO] [stdout] aa0c9490ee689d2433fbf74ccc1b2a27d2ec5a448af1c51acdc6f8d98b443400
