[INFO] crate safe_core 0.32.0 is already in cache
[INFO] extracting crate safe_core 0.32.0 into work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/safe_core/0.32.0
[INFO] extracting crate safe_core 0.32.0 into work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/safe_core/0.32.0
[INFO] validating manifest of safe_core-0.32.0 on toolchain master#5f9c0448dde167128d668da4555879f64e56af1d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of safe_core-0.32.0 on toolchain try#8ec8125bea94852768b56958f05da47666c21ab0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing safe_core-0.32.0
[INFO] finished frobbing safe_core-0.32.0
[INFO] frobbed toml for safe_core-0.32.0 written to work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/safe_core/0.32.0/Cargo.toml
[INFO] started frobbing safe_core-0.32.0
[INFO] finished frobbing safe_core-0.32.0
[INFO] frobbed toml for safe_core-0.32.0 written to work/ex/pr-62133/sources/try#8ec8125bea94852768b56958f05da47666c21ab0/reg/safe_core/0.32.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8ec8125bea94852768b56958f05da47666c21ab0-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking safe_core-0.32.0 against master#5f9c0448dde167128d668da4555879f64e56af1d for pr-62133
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-62133/worker-0/master#5f9c0448dde167128d668da4555879f64e56af1d:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-62133/sources/master#5f9c0448dde167128d668da4555879f64e56af1d/reg/safe_core/0.32.0:/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" "+5f9c0448dde167128d668da4555879f64e56af1d-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1a8a1ed5f2b43d72168b028b0595a3d8f09cd819293fb66c48855597864070f
[INFO] running `"docker" "start" "-a" "a1a8a1ed5f2b43d72168b028b0595a3d8f09cd819293fb66c48855597864070f"`
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling arrayref v0.3.5
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]     Checking byteorder v1.1.0
[INFO] [stderr]     Checking unwrap v1.2.1
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking alloc-no-stdlib v1.2.0
[INFO] [stderr]     Checking tiny-keccak v1.3.1
[INFO] [stderr]     Checking fake_clock v0.2.0
[INFO] [stderr]     Checking lru_time_cache v0.8.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]     Checking walkdir v2.0.1
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]     Checking crossbeam-channel v0.3.7
[INFO] [stderr]     Checking tokio-executor v0.1.7
[INFO] [stderr] error[E0432]: unresolved import `crossbeam_utils::Backoff`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.3.7/src/context.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use crossbeam_utils::Backoff;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Backoff` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crossbeam_utils::Backoff`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.3.7/src/flavors/array.rs:23:23
[INFO] [stderr]    |
[INFO] [stderr] 23 | use crossbeam_utils::{Backoff, CachePadded};
[INFO] [stderr]    |                       ^^^^^^^ no `Backoff` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crossbeam_utils::Backoff`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.3.7/src/flavors/list.rs:10:23
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crossbeam_utils::{Backoff, CachePadded};
[INFO] [stderr]    |                       ^^^^^^^ no `Backoff` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crossbeam_utils::Backoff`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.3.7/src/flavors/zero.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crossbeam_utils::Backoff;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Backoff` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crossbeam_utils::Backoff`
[INFO] [stderr]  --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.3.7/src/select.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use crossbeam_utils::Backoff;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Backoff` in the root
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `crossbeam_utils::Backoff`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/crossbeam-channel-0.3.7/src/utils.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use crossbeam_utils::Backoff;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^ no `Backoff` in the root
[INFO] [stderr] 
[INFO] [stderr]     Checking brotli-decompressor v1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking termion v1.4.0
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0432`.
[INFO] [stderr] error: Could not compile `crossbeam-channel`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "a1a8a1ed5f2b43d72168b028b0595a3d8f09cd819293fb66c48855597864070f"`
[INFO] running `"docker" "rm" "-f" "a1a8a1ed5f2b43d72168b028b0595a3d8f09cd819293fb66c48855597864070f"`
[INFO] [stdout] a1a8a1ed5f2b43d72168b028b0595a3d8f09cd819293fb66c48855597864070f