[INFO] fetching crate coaster 0.2.0...
[INFO] checking coaster-0.2.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate coaster 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate coaster 0.2.0 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 0.2.0
[INFO] finished tweaking crates.io crate coaster 0.2.0
[INFO] tweaked toml for crates.io crate coaster 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate coaster 0.2.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded rcublas-sys v0.5.0
[INFO] [stderr]   Downloaded rcudnn-sys v0.5.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded syn v1.0.81
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded rcublas v0.6.0
[INFO] [stderr]   Downloaded rcudnn v1.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 007f72f46cf21d37ccd61597e703671a2780c37befd43b2fa3884df81f378819
[INFO] running `Command { std: "docker" "start" "-a" "007f72f46cf21d37ccd61597e703671a2780c37befd43b2fa3884df81f378819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "007f72f46cf21d37ccd61597e703671a2780c37befd43b2fa3884df81f378819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "007f72f46cf21d37ccd61597e703671a2780c37befd43b2fa3884df81f378819", kill_on_drop: false }`
[INFO] [stdout] 007f72f46cf21d37ccd61597e703671a2780c37befd43b2fa3884df81f378819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 8930d3031cf79a9f452ac737e2bed3b1d38621172d2fe5b3d01baab4cbd001c8
[INFO] running `Command { std: "docker" "start" "-a" "8930d3031cf79a9f452ac737e2bed3b1d38621172d2fe5b3d01baab4cbd001c8", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking coaster v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/frameworks/native/flatbox.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Box::from_raw(self.raw_box);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = Box::from_raw(self.raw_box);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> src/frameworks/native/flatbox.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |             Box::from_raw(self.raw_box);
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let _ = Box::from_raw(self.raw_box);
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `test`
[INFO] [stdout]  --> benches/shared_tensor.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use test::Bencher;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `test`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `trybuild`
[INFO] [stdout]  --> tests/ui.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 |     let t = trybuild::TestCases::new();
[INFO] [stdout]   |             ^^^^^^^^ use of undeclared crate or module `trybuild`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `co::device::IDevice`
[INFO] [stdout]  --> benches/shared_tensor.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use co::device::IDevice;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `nn`
[INFO] [stdout]   --> examples/readme.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use nn::*;
[INFO] [stdout]    |     ^^ use of undeclared crate or module `nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `coaster_nn`
[INFO] [stdout]  --> examples/readme.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use coaster_nn as nn;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^ no external crate `coaster_nn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `FlatBox` is imported redundantly
[INFO] [stdout]   --> examples/readme.rs:8:5
[INFO] [stdout]    |
[INFO] [stdout] 8  | use co::frameworks::native::flatbox::FlatBox;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 11 | use co::prelude::*;
[INFO] [stdout]    |     -------------- the item `FlatBox` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `coaster` (bench "shared_tensor") due to 2 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `coaster` (test "ui") due to 2 previous errors
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]   --> examples/readme.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let backend = get_native_backend();
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings 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 `coaster` (example "readme") due to 3 previous errors; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "8930d3031cf79a9f452ac737e2bed3b1d38621172d2fe5b3d01baab4cbd001c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8930d3031cf79a9f452ac737e2bed3b1d38621172d2fe5b3d01baab4cbd001c8", kill_on_drop: false }`
[INFO] [stdout] 8930d3031cf79a9f452ac737e2bed3b1d38621172d2fe5b3d01baab4cbd001c8
