[INFO] crate syn-codegen 0.1.0 is already in cache
[INFO] extracting crate syn-codegen 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/syn-codegen/0.1.0
[INFO] extracting crate syn-codegen 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/syn-codegen/0.1.0
[INFO] validating manifest of syn-codegen-0.1.0 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 syn-codegen-0.1.0 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 syn-codegen-0.1.0
[INFO] finished frobbing syn-codegen-0.1.0
[INFO] frobbed toml for syn-codegen-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/syn-codegen/0.1.0/Cargo.toml
[INFO] started frobbing syn-codegen-0.1.0
[INFO] finished frobbing syn-codegen-0.1.0
[INFO] frobbed toml for syn-codegen-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/syn-codegen/0.1.0/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing syn-codegen-0.1.0 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-2/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/syn-codegen/0.1.0:/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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 82699aa4b9d16aa701c9d8e106a03e1e0230f0ee0c8353cba620fe195bdee18f
[INFO] running `"docker" "start" "-a" "82699aa4b9d16aa701c9d8e106a03e1e0230f0ee0c8353cba620fe195bdee18f"`
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling syn-codegen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.13s
[INFO] running `"docker" "inspect" "82699aa4b9d16aa701c9d8e106a03e1e0230f0ee0c8353cba620fe195bdee18f"`
[INFO] running `"docker" "rm" "-f" "82699aa4b9d16aa701c9d8e106a03e1e0230f0ee0c8353cba620fe195bdee18f"`
[INFO] [stdout] 82699aa4b9d16aa701c9d8e106a03e1e0230f0ee0c8353cba620fe195bdee18f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/syn-codegen/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7d1f009e1cc9f1221c4c6a9f720c757fd69d3413d412d3ad0f7b7fb500cd9fae
[INFO] running `"docker" "start" "-a" "7d1f009e1cc9f1221c4c6a9f720c757fd69d3413d412d3ad0f7b7fb500cd9fae"`
[INFO] [stderr]    Compiling syn-codegen v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.47s
[INFO] running `"docker" "inspect" "7d1f009e1cc9f1221c4c6a9f720c757fd69d3413d412d3ad0f7b7fb500cd9fae"`
[INFO] running `"docker" "rm" "-f" "7d1f009e1cc9f1221c4c6a9f720c757fd69d3413d412d3ad0f7b7fb500cd9fae"`
[INFO] [stdout] 7d1f009e1cc9f1221c4c6a9f720c757fd69d3413d412d3ad0f7b7fb500cd9fae
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/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/syn-codegen/0.1.0:/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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 3c02a73fd1b8dc0dcaa92816110c84e8934aa13cbd6b4946c3703ab82788201b
[INFO] running `"docker" "start" "-a" "3c02a73fd1b8dc0dcaa92816110c84e8934aa13cbd6b4946c3703ab82788201b"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/syn_codegen-a3275e70ab4fabd0
[INFO] [stderr]    Doc-tests syn-codegen
[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 1 test
[INFO] [stdout] test src/lib.rs -  (line 30) ... FAILED
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs -  (line 30) stdout ----
[INFO] [stdout] error: couldn't read src/../../syn.json: No such file or directory (os error 2)
[INFO] [stdout]  --> src/lib.rs:36:19
[INFO] [stdout]   |
[INFO] [stdout] 8 | const SYN: &str = include_str!("../../syn.json");
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs -  (line 30)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "3c02a73fd1b8dc0dcaa92816110c84e8934aa13cbd6b4946c3703ab82788201b"`
[INFO] running `"docker" "rm" "-f" "3c02a73fd1b8dc0dcaa92816110c84e8934aa13cbd6b4946c3703ab82788201b"`
[INFO] [stdout] 3c02a73fd1b8dc0dcaa92816110c84e8934aa13cbd6b4946c3703ab82788201b