[INFO] updating cached repository yoshuawuyts/playground-combine
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/yoshuawuyts/playground-combine
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/playground-combine" "work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/playground-combine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/playground-combine'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/yoshuawuyts/playground-combine" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/playground-combine"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/playground-combine'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e39189bdee09acc699965807bf414307b0d79091
[INFO] sha for GitHub repo yoshuawuyts/playground-combine: e39189bdee09acc699965807bf414307b0d79091
[INFO] validating manifest of yoshuawuyts/playground-combine 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 yoshuawuyts/playground-combine 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 yoshuawuyts/playground-combine
[INFO] finished frobbing yoshuawuyts/playground-combine
[INFO] frobbed toml for yoshuawuyts/playground-combine written to work/ex/beta-1.38-1/sources/1.37.0/gh/yoshuawuyts/playground-combine/Cargo.toml
[INFO] started frobbing yoshuawuyts/playground-combine
[INFO] finished frobbing yoshuawuyts/playground-combine
[INFO] frobbed toml for yoshuawuyts/playground-combine written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/yoshuawuyts/playground-combine/Cargo.toml
[INFO] crate yoshuawuyts/playground-combine already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing yoshuawuyts/playground-combine 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/gh/yoshuawuyts/playground-combine:/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] 7d21c10ebb84c90bf919d84cb49b34665cc5dcce79ece14d41ced30e6f3127d3
[INFO] running `"docker" "start" "-a" "7d21c10ebb84c90bf919d84cb49b34665cc5dcce79ece14d41ced30e6f3127d3"`
[INFO] [stderr]    Compiling libc v0.2.39
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling combine v3.0.0
[INFO] [stderr]    Compiling playground-combine v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.77s
[INFO] running `"docker" "inspect" "7d21c10ebb84c90bf919d84cb49b34665cc5dcce79ece14d41ced30e6f3127d3"`
[INFO] running `"docker" "rm" "-f" "7d21c10ebb84c90bf919d84cb49b34665cc5dcce79ece14d41ced30e6f3127d3"`
[INFO] [stdout] 7d21c10ebb84c90bf919d84cb49b34665cc5dcce79ece14d41ced30e6f3127d3
[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/gh/yoshuawuyts/playground-combine:/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] 34f682d351ba004e4d1ca9aa97a05f77e06679cba5256b1f61c87116984de512
[INFO] running `"docker" "start" "-a" "34f682d351ba004e4d1ca9aa97a05f77e06679cba5256b1f61c87116984de512"`
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling serde v1.0.35
[INFO] [stderr]    Compiling if_chain v0.1.2
[INFO] [stderr]    Compiling clippy v0.0.189
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling syn v0.12.14
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling regex v0.2.10
[INFO] [stderr]    Compiling serde_derive_internals v0.22.1
[INFO] [stderr]    Compiling serde_derive v1.0.35
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.4.5
[INFO] [stderr]    Compiling serde_json v1.0.13
[INFO] [stderr]    Compiling clippy_lints v0.0.189
[INFO] [stderr]    Compiling cargo_metadata v0.5.3
[INFO] [stderr] error[E0463]: can't find crate for `rustc_const_math`
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/clippy_lints-0.0.189/src/lib.rs:40:1
[INFO] [stderr]    |
[INFO] [stderr] 40 | extern crate rustc_const_math;
[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 `clippy_lints`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "34f682d351ba004e4d1ca9aa97a05f77e06679cba5256b1f61c87116984de512"`
[INFO] running `"docker" "rm" "-f" "34f682d351ba004e4d1ca9aa97a05f77e06679cba5256b1f61c87116984de512"`
[INFO] [stdout] 34f682d351ba004e4d1ca9aa97a05f77e06679cba5256b1f61c87116984de512