[INFO] crate safe_thing 0.0.3 is already in cache
[INFO] extracting crate safe_thing 0.0.3 into work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/safe_thing/0.0.3
[INFO] extracting crate safe_thing 0.0.3 into work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/safe_thing/0.0.3
[INFO] validating manifest of safe_thing-0.0.3 on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of safe_thing-0.0.3 on toolchain try#266783e4e09e4e9d5307c1c8e695659c58bbcac7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing safe_thing-0.0.3
[INFO] finished frobbing safe_thing-0.0.3
[INFO] frobbed toml for safe_thing-0.0.3 written to work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/safe_thing/0.0.3/Cargo.toml
[INFO] started frobbing safe_thing-0.0.3
[INFO] finished frobbing safe_thing-0.0.3
[INFO] frobbed toml for safe_thing-0.0.3 written to work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/reg/safe_thing/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "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" "+266783e4e09e4e9d5307c1c8e695659c58bbcac7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking safe_thing-0.0.3 against master#60960a260f7b5c695fd0717311d72ce62dd4eb43 for pr-63376
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63376/worker-5/master#60960a260f7b5c695fd0717311d72ce62dd4eb43:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/reg/safe_thing/0.0.3:/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" "+60960a260f7b5c695fd0717311d72ce62dd4eb43-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 9825e7f9afd26ec9e109e00f693e15c40dfb6e3f61b7d9d85bce162d08c26e5e
[INFO] running `"docker" "start" "-a" "9825e7f9afd26ec9e109e00f693e15c40dfb6e3f61b7d9d85bce162d08c26e5e"`
[INFO] [stderr]    Compiling linked-hash-map v0.5.2
[INFO] [stderr]    Compiling safemem v0.3.2
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling sha1 v0.2.0
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling ascii v0.9.2
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]     Checking alloc-no-stdlib v1.2.0
[INFO] [stderr]    Compiling cesu8 v1.1.0
[INFO] [stderr]    Compiling tiny-keccak v1.3.1
[INFO] [stderr]    Compiling jni-sys v0.3.0
[INFO] [stderr]    Compiling fake_clock v0.2.0
[INFO] [stderr]    Compiling lru_time_cache v0.8.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]     Checking crossbeam-utils v0.6.3
[INFO] [stderr]     Checking tokio-trace-core v0.1.0
[INFO] [stderr]    Compiling walkdir v2.0.1
[INFO] [stderr]    Compiling itertools v0.7.11
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking brotli-decompressor v1.3.0
[INFO] [stderr]    Compiling yaml-rust v0.4.3
[INFO] [stderr]    Compiling xmltree v0.3.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.7
[INFO] [stderr]     Checking tokio-executor v0.1.8
[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]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling term_size v0.3.1
[INFO] [stderr]    Compiling get_if_addrs v0.4.1
[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" "9825e7f9afd26ec9e109e00f693e15c40dfb6e3f61b7d9d85bce162d08c26e5e"`
[INFO] running `"docker" "rm" "-f" "9825e7f9afd26ec9e109e00f693e15c40dfb6e3f61b7d9d85bce162d08c26e5e"`
[INFO] [stdout] 9825e7f9afd26ec9e109e00f693e15c40dfb6e3f61b7d9d85bce162d08c26e5e