[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 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-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 982bb4d92793c8fc6eec2d432fb5e9c8ef597dbfe1a616dd18ca1e5aeb6def41
[INFO] running `"docker" "start" "-a" "982bb4d92793c8fc6eec2d432fb5e9c8ef597dbfe1a616dd18ca1e5aeb6def41"`
[INFO] [stderr]    Compiling am v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `"docker" "inspect" "982bb4d92793c8fc6eec2d432fb5e9c8ef597dbfe1a616dd18ca1e5aeb6def41"`
[INFO] running `"docker" "rm" "-f" "982bb4d92793c8fc6eec2d432fb5e9c8ef597dbfe1a616dd18ca1e5aeb6def41"`
[INFO] [stdout] 982bb4d92793c8fc6eec2d432fb5e9c8ef597dbfe1a616dd18ca1e5aeb6def41
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] dab97124c047c26cace32bc718ca330d21cd209372fe6f9122b211e4c1bcf59c
[INFO] running `"docker" "start" "-a" "dab97124c047c26cace32bc718ca330d21cd209372fe6f9122b211e4c1bcf59c"`
[INFO] [stderr]    Compiling am v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.66s
[INFO] running `"docker" "inspect" "dab97124c047c26cace32bc718ca330d21cd209372fe6f9122b211e4c1bcf59c"`
[INFO] running `"docker" "rm" "-f" "dab97124c047c26cace32bc718ca330d21cd209372fe6f9122b211e4c1bcf59c"`
[INFO] [stdout] dab97124c047c26cace32bc718ca330d21cd209372fe6f9122b211e4c1bcf59c
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] a9911f5f107ad2a09746d11dd13facfc04bf5c858e0dc9de02991f137bf524bd
[INFO] running `"docker" "start" "-a" "a9911f5f107ad2a09746d11dd13facfc04bf5c858e0dc9de02991f137bf524bd"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/am-96dc755422c7b880
[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] [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] running `"docker" "inspect" "a9911f5f107ad2a09746d11dd13facfc04bf5c858e0dc9de02991f137bf524bd"`
[INFO] running `"docker" "rm" "-f" "a9911f5f107ad2a09746d11dd13facfc04bf5c858e0dc9de02991f137bf524bd"`
[INFO] [stdout] a9911f5f107ad2a09746d11dd13facfc04bf5c858e0dc9de02991f137bf524bd