[INFO] crate derivate 0.1.0 is already in cache
[INFO] extracting crate derivate 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/derivate/0.1.0
[INFO] extracting crate derivate 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derivate/0.1.0
[INFO] validating manifest of derivate-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of derivate-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing derivate-0.1.0
[INFO] finished frobbing derivate-0.1.0
[INFO] frobbed toml for derivate-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/derivate/0.1.0/Cargo.toml
[INFO] started frobbing derivate-0.1.0
[INFO] finished frobbing derivate-0.1.0
[INFO] frobbed toml for derivate-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/derivate/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing derivate-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derivate/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=warn" "-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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 33857b04cf5630e441e6dbfda338e050344b5b2dfe57b040b0b24bcbb6b8e6fd
[INFO] running `"docker" "start" "-a" "33857b04cf5630e441e6dbfda338e050344b5b2dfe57b040b0b24bcbb6b8e6fd"`
[INFO] [stderr]    Compiling syn v0.10.8
[INFO] [stderr]    Compiling itertools v0.5.10
[INFO] [stderr]    Compiling derivate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.87s
[INFO] running `"docker" "inspect" "33857b04cf5630e441e6dbfda338e050344b5b2dfe57b040b0b24bcbb6b8e6fd"`
[INFO] running `"docker" "rm" "-f" "33857b04cf5630e441e6dbfda338e050344b5b2dfe57b040b0b24bcbb6b8e6fd"`
[INFO] [stdout] 33857b04cf5630e441e6dbfda338e050344b5b2dfe57b040b0b24bcbb6b8e6fd
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/derivate/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=warn" "-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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a22db003113bdc6a61c165a29f3d36a179cd43a8a5b7e6e2c3534e4acc7281c7
[INFO] running `"docker" "start" "-a" "a22db003113bdc6a61c165a29f3d36a179cd43a8a5b7e6e2c3534e4acc7281c7"`
[INFO] [stderr]    Compiling derivate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/rustc-deriving-clone-array.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/rustc-issue-19037.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]  --> tests/derive-eq.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Derivative, PartialEq)]
[INFO] [stderr]   |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/derive-eq.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/derive-eq.rs:39:22
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let ptr1: *const SomeTrait = &SomeType { foo: 0 };
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn SomeTrait`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> tests/derive-eq.rs:40:22
[INFO] [stderr]    |
[INFO] [stderr] 40 |     let ptr2: *const SomeTrait = &SomeType { foo: 1 };
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn SomeTrait`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `derivate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `derivate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/rustc-deriving-enum-single-variant.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] error: Could not compile `derivate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/rustc-issue-29710.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/rustc-issue-29710.rs:21:10
[INFO] [stderr]    |
[INFO] [stderr] 21 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] error: Could not compile `derivate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/rustc-issue-29030.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]  --> tests/derive-debug.rs:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Derivative)]
[INFO] [stderr]   |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `derivate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `derivate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/derive-debug.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/derive-debug.rs:20:10
[INFO] [stderr]    |
[INFO] [stderr] 20 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/derive-debug.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/derive-debug.rs:37:10
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/derive-debug.rs:41:10
[INFO] [stderr]    |
[INFO] [stderr] 41 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/derive-debug.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 45 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 7 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0433`.
[INFO] [stderr] error: Could not compile `derivate`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a22db003113bdc6a61c165a29f3d36a179cd43a8a5b7e6e2c3534e4acc7281c7"`
[INFO] running `"docker" "rm" "-f" "a22db003113bdc6a61c165a29f3d36a179cd43a8a5b7e6e2c3534e4acc7281c7"`
[INFO] [stdout] a22db003113bdc6a61c165a29f3d36a179cd43a8a5b7e6e2c3534e4acc7281c7