[INFO] crate sincere_token 0.1.7 is already in cache
[INFO] extracting crate sincere_token 0.1.7 into work/ex/beta-1.37-6/sources/1.36.0/reg/sincere_token/0.1.7
[INFO] extracting crate sincere_token 0.1.7 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sincere_token/0.1.7
[INFO] validating manifest of sincere_token-0.1.7 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 sincere_token-0.1.7 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 sincere_token-0.1.7
[INFO] finished frobbing sincere_token-0.1.7
[INFO] frobbed toml for sincere_token-0.1.7 written to work/ex/beta-1.37-6/sources/1.36.0/reg/sincere_token/0.1.7/Cargo.toml
[INFO] started frobbing sincere_token-0.1.7
[INFO] finished frobbing sincere_token-0.1.7
[INFO] frobbed toml for sincere_token-0.1.7 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sincere_token/0.1.7/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[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] [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" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing sincere_token-0.1.7 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sincere_token/0.1.7:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 7610b702f64114dd050ed0bc1682e828c63b1a440d0f646373c12184a96ec0ec
[INFO] running `"docker" "start" "-a" "7610b702f64114dd050ed0bc1682e828c63b1a440d0f646373c12184a96ec0ec"`
[INFO] [stderr]    Compiling sincere_token v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `"docker" "inspect" "7610b702f64114dd050ed0bc1682e828c63b1a440d0f646373c12184a96ec0ec"`
[INFO] running `"docker" "rm" "-f" "7610b702f64114dd050ed0bc1682e828c63b1a440d0f646373c12184a96ec0ec"`
[INFO] [stdout] 7610b702f64114dd050ed0bc1682e828c63b1a440d0f646373c12184a96ec0ec
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sincere_token/0.1.7:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 74988b1871fa25fe0f760a9907cc6cee12cb7da5d17f4ca1630478dcfa57bd4f
[INFO] running `"docker" "start" "-a" "74988b1871fa25fe0f760a9907cc6cee12cb7da5d17f4ca1630478dcfa57bd4f"`
[INFO] [stderr]    Compiling sincere_token v0.1.7 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:26:32
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/error.rs:63:32
[INFO] [stderr]    |
[INFO] [stderr] 63 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]    |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `"docker" "inspect" "74988b1871fa25fe0f760a9907cc6cee12cb7da5d17f4ca1630478dcfa57bd4f"`
[INFO] running `"docker" "rm" "-f" "74988b1871fa25fe0f760a9907cc6cee12cb7da5d17f4ca1630478dcfa57bd4f"`
[INFO] [stdout] 74988b1871fa25fe0f760a9907cc6cee12cb7da5d17f4ca1630478dcfa57bd4f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/sincere_token/0.1.7:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] bbd2dbcf8fa3fa5fca6d6b26fc5ad9028fd94eaa0fd2d07583c9c25d8d8b3a10
[INFO] running `"docker" "start" "-a" "bbd2dbcf8fa3fa5fca6d6b26fc5ad9028fd94eaa0fd2d07583c9c25d8d8b3a10"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/sincere_token-bf2af3168d6fddf9
[INFO] [stderr]    Doc-tests sincere_token
[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" "bbd2dbcf8fa3fa5fca6d6b26fc5ad9028fd94eaa0fd2d07583c9c25d8d8b3a10"`
[INFO] running `"docker" "rm" "-f" "bbd2dbcf8fa3fa5fca6d6b26fc5ad9028fd94eaa0fd2d07583c9c25d8d8b3a10"`
[INFO] [stdout] bbd2dbcf8fa3fa5fca6d6b26fc5ad9028fd94eaa0fd2d07583c9c25d8d8b3a10