[INFO] crate am 0.0.0 is already in cache
[INFO] extracting crate am 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/am/0.0.0
[INFO] extracting crate am 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/am/0.0.0
[INFO] validating manifest of am-0.0.0 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 am-0.0.0 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 am-0.0.0
[INFO] finished frobbing am-0.0.0
[INFO] frobbed toml for am-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/am/0.0.0/Cargo.toml
[INFO] started frobbing am-0.0.0
[INFO] finished frobbing am-0.0.0
[INFO] frobbed toml for am-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/am/0.0.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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 am-0.0.0 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-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/am/0.0.0:/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=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] 8db4597a9d01c43f3cda240b1b0bb9fdc669abc556d806baf73b5b84a365c012
[INFO] running `"docker" "start" "-a" "8db4597a9d01c43f3cda240b1b0bb9fdc669abc556d806baf73b5b84a365c012"`
[INFO] [stderr]    Compiling am v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `"docker" "inspect" "8db4597a9d01c43f3cda240b1b0bb9fdc669abc556d806baf73b5b84a365c012"`
[INFO] running `"docker" "rm" "-f" "8db4597a9d01c43f3cda240b1b0bb9fdc669abc556d806baf73b5b84a365c012"`
[INFO] [stdout] 8db4597a9d01c43f3cda240b1b0bb9fdc669abc556d806baf73b5b84a365c012
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/am/0.0.0:/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=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" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9327f2f05a9312b418f90e7d19fb772749d38d1a7507585c965d261380b3cb62
[INFO] running `"docker" "start" "-a" "9327f2f05a9312b418f90e7d19fb772749d38d1a7507585c965d261380b3cb62"`
[INFO] [stderr]    Compiling am v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `"docker" "inspect" "9327f2f05a9312b418f90e7d19fb772749d38d1a7507585c965d261380b3cb62"`
[INFO] running `"docker" "rm" "-f" "9327f2f05a9312b418f90e7d19fb772749d38d1a7507585c965d261380b3cb62"`
[INFO] [stdout] 9327f2f05a9312b418f90e7d19fb772749d38d1a7507585c965d261380b3cb62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/am/0.0.0:/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=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" "test" "--frozen"`
[INFO] [stdout] d799701ec9a430b3f2886af8b8e5071512773f5cb613625d827484253903ad33
[INFO] running `"docker" "start" "-a" "d799701ec9a430b3f2886af8b8e5071512773f5cb613625d827484253903ad33"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/am-473456b419bf4248
[INFO] [stderr]    Doc-tests am
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "d799701ec9a430b3f2886af8b8e5071512773f5cb613625d827484253903ad33"`
[INFO] running `"docker" "rm" "-f" "d799701ec9a430b3f2886af8b8e5071512773f5cb613625d827484253903ad33"`
[INFO] [stdout] d799701ec9a430b3f2886af8b8e5071512773f5cb613625d827484253903ad33