[INFO] crate rust_src 0.0.0 is already in cache
[INFO] extracting crate rust_src 0.0.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/rust_src/0.0.0
[INFO] extracting crate rust_src 0.0.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_src/0.0.0
[INFO] validating manifest of rust_src-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 rust_src-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 rust_src-0.0.0
[INFO] finished frobbing rust_src-0.0.0
[INFO] frobbed toml for rust_src-0.0.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rust_src/0.0.0/Cargo.toml
[INFO] started frobbing rust_src-0.0.0
[INFO] finished frobbing rust_src-0.0.0
[INFO] frobbed toml for rust_src-0.0.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rust_src/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 rust_src-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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rust_src/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] b1524c7dcdc34a4e357e5ef1236edd42ce685c8441cc7449be0b2a3d14e49e7f
[INFO] running `"docker" "start" "-a" "b1524c7dcdc34a4e357e5ef1236edd42ce685c8441cc7449be0b2a3d14e49e7f"`
[INFO] [stderr]    Compiling rust_src v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `"docker" "inspect" "b1524c7dcdc34a4e357e5ef1236edd42ce685c8441cc7449be0b2a3d14e49e7f"`
[INFO] running `"docker" "rm" "-f" "b1524c7dcdc34a4e357e5ef1236edd42ce685c8441cc7449be0b2a3d14e49e7f"`
[INFO] [stdout] b1524c7dcdc34a4e357e5ef1236edd42ce685c8441cc7449be0b2a3d14e49e7f
[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/reg/rust_src/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] 967c354c3a3edaa26648df5b4de2bbe370fde7021123d3dfa46f071b471ac5c4
[INFO] running `"docker" "start" "-a" "967c354c3a3edaa26648df5b4de2bbe370fde7021123d3dfa46f071b471ac5c4"`
[INFO] [stderr]    Compiling rust_src v0.0.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `"docker" "inspect" "967c354c3a3edaa26648df5b4de2bbe370fde7021123d3dfa46f071b471ac5c4"`
[INFO] running `"docker" "rm" "-f" "967c354c3a3edaa26648df5b4de2bbe370fde7021123d3dfa46f071b471ac5c4"`
[INFO] [stdout] 967c354c3a3edaa26648df5b4de2bbe370fde7021123d3dfa46f071b471ac5c4
[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/reg/rust_src/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] 7de7f01383f8b7a45f5770db0c5664620a0b5c6e1cb7d4a146b68a775310bd8f
[INFO] running `"docker" "start" "-a" "7de7f01383f8b7a45f5770db0c5664620a0b5c6e1cb7d4a146b68a775310bd8f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_src-25e0d3ba4ad5b83a
[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" "7de7f01383f8b7a45f5770db0c5664620a0b5c6e1cb7d4a146b68a775310bd8f"`
[INFO] running `"docker" "rm" "-f" "7de7f01383f8b7a45f5770db0c5664620a0b5c6e1cb7d4a146b68a775310bd8f"`
[INFO] [stdout] 7de7f01383f8b7a45f5770db0c5664620a0b5c6e1cb7d4a146b68a775310bd8f