[INFO] fetching crate derivate 0.1.0...
[INFO] extracting crate derivate 0.1.0 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/derivate/0.1.0
[INFO] extracting crate derivate 0.1.0 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/derivate/0.1.0
[INFO] validating manifest of derivate-0.1.0 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of derivate-0.1.0 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "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/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/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/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/derivate/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] checking derivate-0.1.0 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-2/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/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=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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 041e08213d1bececdd1485275d333fe59fa0e62f63990e04fca81557ee0682b9
[INFO] running `"docker" "start" "-a" "041e08213d1bececdd1485275d333fe59fa0e62f63990e04fca81557ee0682b9"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Checking syn v0.10.8
[INFO] [stderr]     Checking itertools v0.5.10
[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-enum.rs:16:10
[INFO] [stderr]    |
[INFO] [stderr] 16 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[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-deriving-bounds.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[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[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]  --> tests/derive-clone.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Debug, 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:4:10
[INFO] [stderr]   |
[INFO] [stderr] 4 | #[derive(Derivative, PartialEq)]
[INFO] [stderr]   |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[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: 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-clone.rs:29:10
[INFO] [stderr]    |
[INFO] [stderr] 29 | #[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-clone.rs:33:17
[INFO] [stderr]    |
[INFO] [stderr] 33 | #[derive(Debug, 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 3 previous errors
[INFO] [stderr] 
[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-issue-23649-3.rs:15:10
[INFO] [stderr]    |
[INFO] [stderr] 15 | #[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-deriving-show.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[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-deriving-show.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[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: 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-show.rs:22:10
[INFO] [stderr]    |
[INFO] [stderr] 22 | #[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-deriving-show.rs:26:10
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 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[E0433]: failed to resolve: maybe a missing `extern crate core;`?
[INFO] [stderr]   --> tests/rustc-zero-sized-btreemap-insert.rs:17:10
[INFO] [stderr]    |
[INFO] [stderr] 17 | #[derive(Derivative)]
[INFO] [stderr]    |          ^^^^^^^^^^ maybe a missing `extern crate core;`?
[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: Could not compile `derivate`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "041e08213d1bececdd1485275d333fe59fa0e62f63990e04fca81557ee0682b9"`
[INFO] running `"docker" "rm" "-f" "041e08213d1bececdd1485275d333fe59fa0e62f63990e04fca81557ee0682b9"`
[INFO] [stdout] 041e08213d1bececdd1485275d333fe59fa0e62f63990e04fca81557ee0682b9