[INFO] updating cached repository vityafx/introspection
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/vityafx/introspection
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/vityafx/introspection" "work/ex/beta-1.37-6/sources/1.36.0/gh/vityafx/introspection"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/vityafx/introspection'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/vityafx/introspection" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vityafx/introspection"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vityafx/introspection'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 301bfa24172c453c4e3fc3de3a23964cd0bba48c
[INFO] sha for GitHub repo vityafx/introspection: 301bfa24172c453c4e3fc3de3a23964cd0bba48c
[INFO] validating manifest of vityafx/introspection on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of vityafx/introspection on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing vityafx/introspection
[INFO] removed path dependency introspection from vityafx/introspection
[INFO] removed path dependency introspection-derive from vityafx/introspection
[INFO] finished frobbing vityafx/introspection
[INFO] frobbed toml for vityafx/introspection written to work/ex/beta-1.37-6/sources/1.36.0/gh/vityafx/introspection/Cargo.toml
[INFO] started frobbing vityafx/introspection
[INFO] removed path dependency introspection from vityafx/introspection
[INFO] removed path dependency introspection-derive from vityafx/introspection
[INFO] finished frobbing vityafx/introspection
[INFO] frobbed toml for vityafx/introspection written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/vityafx/introspection/Cargo.toml
[INFO] crate vityafx/introspection already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vityafx/introspection/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" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing vityafx/introspection against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vityafx/introspection:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 2e220108747edfd895cc72deaa9078e028037d69d93f916a6b17d1cd0b2e1d67
[INFO] running `"docker" "start" "-a" "2e220108747edfd895cc72deaa9078e028037d69d93f916a6b17d1cd0b2e1d67"`
[INFO] [stderr] warning: dependency (introspection) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (introspection-derive) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling introspection v0.1.0
[INFO] [stderr]    Compiling introspection-derive v0.1.0
[INFO] [stderr]    Compiling introspection-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `private_field`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     private_field: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `"docker" "inspect" "2e220108747edfd895cc72deaa9078e028037d69d93f916a6b17d1cd0b2e1d67"`
[INFO] running `"docker" "rm" "-f" "2e220108747edfd895cc72deaa9078e028037d69d93f916a6b17d1cd0b2e1d67"`
[INFO] [stdout] 2e220108747edfd895cc72deaa9078e028037d69d93f916a6b17d1cd0b2e1d67
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vityafx/introspection:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] bddc19586b47c67fa91e0bc3049921e26272d6e075d9fc46604a5d663e38773f
[INFO] running `"docker" "start" "-a" "bddc19586b47c67fa91e0bc3049921e26272d6e075d9fc46604a5d663e38773f"`
[INFO] [stderr] warning: dependency (introspection) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (introspection-derive) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling introspection-test v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `private_field`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     private_field: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `"docker" "inspect" "bddc19586b47c67fa91e0bc3049921e26272d6e075d9fc46604a5d663e38773f"`
[INFO] running `"docker" "rm" "-f" "bddc19586b47c67fa91e0bc3049921e26272d6e075d9fc46604a5d663e38773f"`
[INFO] [stdout] bddc19586b47c67fa91e0bc3049921e26272d6e075d9fc46604a5d663e38773f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-3/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/vityafx/introspection:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c811cf8a14dc09ebf779d36c241c52cb4a09c74537c6b0687fb2e1c431dd9201
[INFO] running `"docker" "start" "-a" "c811cf8a14dc09ebf779d36c241c52cb4a09c74537c6b0687fb2e1c431dd9201"`
[INFO] [stderr] warning: dependency (introspection) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr] warning: dependency (introspection-derive) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/introspection_test-dfdc4411b74111a6
[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" "c811cf8a14dc09ebf779d36c241c52cb4a09c74537c6b0687fb2e1c431dd9201"`
[INFO] running `"docker" "rm" "-f" "c811cf8a14dc09ebf779d36c241c52cb4a09c74537c6b0687fb2e1c431dd9201"`
[INFO] [stdout] c811cf8a14dc09ebf779d36c241c52cb4a09c74537c6b0687fb2e1c431dd9201