[INFO] crate scrapyard-core 0.1.0 is already in cache
[INFO] extracting crate scrapyard-core 0.1.0 into work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/scrapyard-core/0.1.0
[INFO] extracting crate scrapyard-core 0.1.0 into work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/scrapyard-core/0.1.0
[INFO] validating manifest of scrapyard-core-0.1.0 on toolchain master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of scrapyard-core-0.1.0 on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing scrapyard-core-0.1.0
[INFO] finished frobbing scrapyard-core-0.1.0
[INFO] frobbed toml for scrapyard-core-0.1.0 written to work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/scrapyard-core/0.1.0/Cargo.toml
[INFO] started frobbing scrapyard-core-0.1.0
[INFO] finished frobbing scrapyard-core-0.1.0
[INFO] frobbed toml for scrapyard-core-0.1.0 written to work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/reg/scrapyard-core/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking scrapyard-core-0.1.0 against master#452087b4bf18cece2d52d7cd8c9147195e5404bf for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-2/master#452087b4bf18cece2d52d7cd8c9147195e5404bf:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/reg/scrapyard-core/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 2af5a6e457a567711c6abaa334a7714675d8fc534f6da02e46e2fdd77a28a190
[INFO] running `"docker" "start" "-a" "2af5a6e457a567711c6abaa334a7714675d8fc534f6da02e46e2fdd77a28a190"`
[INFO] [stderr]    Compiling scrapyard-core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr] warning: function is never used: `target_dir`
[INFO] [stderr]   --> build.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn target_dir() -> PathBuf {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/irqs.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(path: &Path) -> Result<InterruptBuilder, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use errors::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/irqs.rs:23:61
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(path: &Path) -> Result<InterruptBuilder, Box<Error>> {
[INFO] [stderr]    |                                                             ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]   --> src/irqs.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `errors::*`
[INFO] [stderr]   --> src/lib.rs:28:5
[INFO] [stderr]    |
[INFO] [stderr] 28 | use errors::*;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |         foreign_links {
[INFO] [stderr] 3 | |             Io(::std::io::Error);
[INFO] [stderr] 4 | |             SerdeJSON(::serde_json::Error);
[INFO] [stderr] 5 | |             Parse(::std::num::ParseIntError);
[INFO] [stderr] 6 | |         }
[INFO] [stderr] 7 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |         foreign_links {
[INFO] [stderr] 3 | |             Io(::std::io::Error);
[INFO] [stderr] 4 | |             SerdeJSON(::serde_json::Error);
[INFO] [stderr] 5 | |             Parse(::std::num::ParseIntError);
[INFO] [stderr] 6 | |         }
[INFO] [stderr] 7 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/module/peripheral.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let file = File::open(&self.config);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |         foreign_links {
[INFO] [stderr] 3 | |             Io(::std::io::Error);
[INFO] [stderr] 4 | |             SerdeJSON(::serde_json::Error);
[INFO] [stderr] 5 | |             Parse(::std::num::ParseIntError);
[INFO] [stderr] 6 | |         }
[INFO] [stderr] 7 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]  --> src/errors.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | / error_chain!{
[INFO] [stderr] 2 | |         foreign_links {
[INFO] [stderr] 3 | |             Io(::std::io::Error);
[INFO] [stderr] 4 | |             SerdeJSON(::serde_json::Error);
[INFO] [stderr] 5 | |             Parse(::std::num::ParseIntError);
[INFO] [stderr] 6 | |         }
[INFO] [stderr] 7 | |     }
[INFO] [stderr]   | |_____^
[INFO] [stderr]   |
[INFO] [stderr]   = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mcu`
[INFO] [stderr]    --> src/mcu.rs:206:13
[INFO] [stderr]     |
[INFO] [stderr] 206 |         let mcu = MCU::new(sample);
[INFO] [stderr]     |             ^^^ help: consider prefixing with an underscore: `_mcu`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `package`
[INFO] [stderr]   --> src/package.rs:99:13
[INFO] [stderr]    |
[INFO] [stderr] 99 |         let package = Package::new(package_name);
[INFO] [stderr]    |             ^^^^^^^ help: consider prefixing with an underscore: `_package`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]   --> src/module/peripheral.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 23 |         let file = File::open(&self.config);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `project_settings`
[INFO] [stderr]    --> src/projectsettings.rs:132:13
[INFO] [stderr]     |
[INFO] [stderr] 132 |         let project_settings =
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_project_settings`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `InterruptBuilder`
[INFO] [stderr]   --> src/irqs.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct InterruptBuilder {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/irqs.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(path: &Path) -> Result<InterruptBuilder, Box<Error>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `mcu`
[INFO] [stderr]  --> tests/interface.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate mcu;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `scrapyard-core`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0463]: can't find crate for `mcu`
[INFO] [stderr]  --> tests/integration.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | extern crate mcu;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `scrapyard-core`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: struct is never constructed: `InterruptBuilder`
[INFO] [stderr]   --> src/irqs.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | struct InterruptBuilder {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/irqs.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(path: &Path) -> Result<InterruptBuilder, Box<Error>> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "2af5a6e457a567711c6abaa334a7714675d8fc534f6da02e46e2fdd77a28a190"`
[INFO] running `"docker" "rm" "-f" "2af5a6e457a567711c6abaa334a7714675d8fc534f6da02e46e2fdd77a28a190"`
[INFO] [stdout] 2af5a6e457a567711c6abaa334a7714675d8fc534f6da02e46e2fdd77a28a190