[INFO] crate syn 0.15.42 is already in cache
[INFO] extracting crate syn 0.15.42 into work/ex/beta-1.38-1/sources/1.37.0/reg/syn/0.15.42
[INFO] extracting crate syn 0.15.42 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/syn/0.15.42
[INFO] validating manifest of syn-0.15.42 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 syn-0.15.42 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 syn-0.15.42
[INFO] finished frobbing syn-0.15.42
[INFO] frobbed toml for syn-0.15.42 written to work/ex/beta-1.38-1/sources/1.37.0/reg/syn/0.15.42/Cargo.toml
[INFO] started frobbing syn-0.15.42
[INFO] finished frobbing syn-0.15.42
[INFO] frobbed toml for syn-0.15.42 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/syn/0.15.42/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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ref-cast v0.2.7
[INFO] [stderr]   Downloaded ref-cast-impl v0.2.7
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing syn-0.15.42 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/syn/0.15.42:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 82a11d3439408cccb0477ea5f9bdf0cbacd913c802bedb0d6f71e625152b6e39
[INFO] running `"docker" "start" "-a" "82a11d3439408cccb0477ea5f9bdf0cbacd913c802bedb0d6f71e625152b6e39"`
[INFO] [stderr]    Compiling syn v0.15.42 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.56s
[INFO] running `"docker" "inspect" "82a11d3439408cccb0477ea5f9bdf0cbacd913c802bedb0d6f71e625152b6e39"`
[INFO] running `"docker" "rm" "-f" "82a11d3439408cccb0477ea5f9bdf0cbacd913c802bedb0d6f71e625152b6e39"`
[INFO] [stdout] 82a11d3439408cccb0477ea5f9bdf0cbacd913c802bedb0d6f71e625152b6e39
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/syn/0.15.42:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3a4d0a4c255b2c4eeef17ec0175f2c9a1fbe7223a141b4ee2b3c7d50cfb16b63
[INFO] running `"docker" "start" "-a" "3a4d0a4c255b2c4eeef17ec0175f2c9a1fbe7223a141b4ee2b3c7d50cfb16b63"`
[INFO] [stderr]    Compiling ci_info v0.3.1
[INFO] [stderr]    Compiling ref-cast-impl v0.2.7
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling ron v0.4.2
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling ref-cast v0.2.7
[INFO] [stderr]    Compiling insta v0.8.2
[INFO] [stderr]    Compiling syn v0.15.42 (/opt/crater/workdir)
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: Could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: expected item, found `"Hello! You want: cargo test --release --all-features"`
[INFO] [stderr]  --> tests/features/error.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | "Hello! You want: cargo test --release --all-features"
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `syn`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "3a4d0a4c255b2c4eeef17ec0175f2c9a1fbe7223a141b4ee2b3c7d50cfb16b63"`
[INFO] running `"docker" "rm" "-f" "3a4d0a4c255b2c4eeef17ec0175f2c9a1fbe7223a141b4ee2b3c7d50cfb16b63"`
[INFO] [stdout] 3a4d0a4c255b2c4eeef17ec0175f2c9a1fbe7223a141b4ee2b3c7d50cfb16b63