[INFO] updating cached repository VictorKoenders/trangar_rtfm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/VictorKoenders/trangar_rtfm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/VictorKoenders/trangar_rtfm" "work/ex/beta-1.38-1/sources/1.37.0/gh/VictorKoenders/trangar_rtfm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/VictorKoenders/trangar_rtfm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/VictorKoenders/trangar_rtfm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VictorKoenders/trangar_rtfm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VictorKoenders/trangar_rtfm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 26c11a9bedcc98d8eb9453afd19a3ca72d20274c
[INFO] sha for GitHub repo VictorKoenders/trangar_rtfm: 26c11a9bedcc98d8eb9453afd19a3ca72d20274c
[INFO] validating manifest of VictorKoenders/trangar_rtfm 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 VictorKoenders/trangar_rtfm 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 VictorKoenders/trangar_rtfm
[INFO] finished frobbing VictorKoenders/trangar_rtfm
[INFO] frobbed toml for VictorKoenders/trangar_rtfm written to work/ex/beta-1.38-1/sources/1.37.0/gh/VictorKoenders/trangar_rtfm/Cargo.toml
[INFO] started frobbing VictorKoenders/trangar_rtfm
[INFO] finished frobbing VictorKoenders/trangar_rtfm
[INFO] frobbed toml for VictorKoenders/trangar_rtfm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VictorKoenders/trangar_rtfm/Cargo.toml
[INFO] crate VictorKoenders/trangar_rtfm 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] testing VictorKoenders/trangar_rtfm against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/VictorKoenders/trangar_rtfm:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 50fd2f9fa61f544b0ce3a9e22e297dddffee47091adc741b68d14deef9125f3f
[INFO] running `"docker" "start" "-a" "50fd2f9fa61f544b0ce3a9e22e297dddffee47091adc741b68d14deef9125f3f"`
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling vcell v0.1.0
[INFO] [stderr] error[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabi` target may not be installed
[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[E0463]: can't find crate for `core`
[INFO] [stderr]   |
[INFO] [stderr]   = note: the `thumbv7em-none-eabi` target may not be installed
[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 `stable_deref_trait`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `vcell`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "50fd2f9fa61f544b0ce3a9e22e297dddffee47091adc741b68d14deef9125f3f"`
[INFO] running `"docker" "rm" "-f" "50fd2f9fa61f544b0ce3a9e22e297dddffee47091adc741b68d14deef9125f3f"`
[INFO] [stdout] 50fd2f9fa61f544b0ce3a9e22e297dddffee47091adc741b68d14deef9125f3f