[INFO] updating cached repository dchammond/rust_calculus
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/dchammond/rust_calculus
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/dchammond/rust_calculus" "work/ex/beta-1.38-1/sources/1.37.0/gh/dchammond/rust_calculus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/dchammond/rust_calculus'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/dchammond/rust_calculus" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dchammond/rust_calculus"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dchammond/rust_calculus'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7ca22e5bc076982e26425d0cbb1e9328b5d9483
[INFO] sha for GitHub repo dchammond/rust_calculus: d7ca22e5bc076982e26425d0cbb1e9328b5d9483
[INFO] validating manifest of dchammond/rust_calculus 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 dchammond/rust_calculus 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 dchammond/rust_calculus
[INFO] finished frobbing dchammond/rust_calculus
[INFO] frobbed toml for dchammond/rust_calculus written to work/ex/beta-1.38-1/sources/1.37.0/gh/dchammond/rust_calculus/Cargo.toml
[INFO] started frobbing dchammond/rust_calculus
[INFO] finished frobbing dchammond/rust_calculus
[INFO] frobbed toml for dchammond/rust_calculus written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/dchammond/rust_calculus/Cargo.toml
[INFO] crate dchammond/rust_calculus 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] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dchammond/rust_calculus/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[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 dchammond/rust_calculus 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dchammond/rust_calculus:/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] ff561fe3e8e3958fa2f4e71de5009907c148fa271b9c1cf462381e1417a41828
[INFO] running `"docker" "start" "-a" "ff561fe3e8e3958fa2f4e71de5009907c148fa271b9c1cf462381e1417a41828"`
[INFO] [stderr]    Compiling rust-calculus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `"docker" "inspect" "ff561fe3e8e3958fa2f4e71de5009907c148fa271b9c1cf462381e1417a41828"`
[INFO] running `"docker" "rm" "-f" "ff561fe3e8e3958fa2f4e71de5009907c148fa271b9c1cf462381e1417a41828"`
[INFO] [stdout] ff561fe3e8e3958fa2f4e71de5009907c148fa271b9c1cf462381e1417a41828
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dchammond/rust_calculus:/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] 45157915d000bb2c3418aba16672f42444e9cfb0c1aa675b11777364ed71b4d7
[INFO] running `"docker" "start" "-a" "45157915d000bb2c3418aba16672f42444e9cfb0c1aa675b11777364ed71b4d7"`
[INFO] [stderr]    Compiling rust-calculus v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "45157915d000bb2c3418aba16672f42444e9cfb0c1aa675b11777364ed71b4d7"`
[INFO] running `"docker" "rm" "-f" "45157915d000bb2c3418aba16672f42444e9cfb0c1aa675b11777364ed71b4d7"`
[INFO] [stdout] 45157915d000bb2c3418aba16672f42444e9cfb0c1aa675b11777364ed71b4d7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/dchammond/rust_calculus:/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] 903f548c9d2e64a78542591d59debeaaf75af9a5afc748356c1aafb47ab56028
[INFO] running `"docker" "start" "-a" "903f548c9d2e64a78542591d59debeaaf75af9a5afc748356c1aafb47ab56028"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rust_calculus-ae73c06760e061e1
[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" "903f548c9d2e64a78542591d59debeaaf75af9a5afc748356c1aafb47ab56028"`
[INFO] running `"docker" "rm" "-f" "903f548c9d2e64a78542591d59debeaaf75af9a5afc748356c1aafb47ab56028"`
[INFO] [stdout] 903f548c9d2e64a78542591d59debeaaf75af9a5afc748356c1aafb47ab56028