[INFO] crate convey_derive 0.2.0 is already in cache
[INFO] extracting crate convey_derive 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/convey_derive/0.2.0
[INFO] extracting crate convey_derive 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/convey_derive/0.2.0
[INFO] validating manifest of convey_derive-0.2.0 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 convey_derive-0.2.0 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 convey_derive-0.2.0
[INFO] finished frobbing convey_derive-0.2.0
[INFO] frobbed toml for convey_derive-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/convey_derive/0.2.0/Cargo.toml
[INFO] started frobbing convey_derive-0.2.0
[INFO] finished frobbing convey_derive-0.2.0
[INFO] frobbed toml for convey_derive-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/convey_derive/0.2.0/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]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing convey_derive-0.2.0 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/convey_derive/0.2.0:/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-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 8628214d1c02c494dffeccc7744b1ed669c9839e278847cd27a11a1e44dc40f1
[INFO] running `"docker" "start" "-a" "8628214d1c02c494dffeccc7744b1ed669c9839e278847cd27a11a1e44dc40f1"`
[INFO] [stderr]    Compiling convey_derive v0.2.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.53s
[INFO] running `"docker" "inspect" "8628214d1c02c494dffeccc7744b1ed669c9839e278847cd27a11a1e44dc40f1"`
[INFO] running `"docker" "rm" "-f" "8628214d1c02c494dffeccc7744b1ed669c9839e278847cd27a11a1e44dc40f1"`
[INFO] [stdout] 8628214d1c02c494dffeccc7744b1ed669c9839e278847cd27a11a1e44dc40f1
[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/convey_derive/0.2.0:/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-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 7120bddfbbcb3419c0f80eb4b176df069ff498fb9b6cef19f4e9de3428c8e512
[INFO] running `"docker" "start" "-a" "7120bddfbbcb3419c0f80eb4b176df069ff498fb9b6cef19f4e9de3428c8e512"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling convey v0.2.0
[INFO] [stderr]    Compiling convey_derive v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: suffixes on a tuple index are invalid
[INFO] [stderr]   --> tests/structs.rs:46:25
[INFO] [stderr]    |
[INFO] [stderr] 46 |     #[derive(Serialize, RenderOutput)]
[INFO] [stderr]    |                         ^^^^^^^^^^^^ invalid suffix `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `usize` is *temporarily* accepted on tuple index fields as it was incorrectly accepted on stable for a few releases
[INFO] [stderr]    = help: on proc macros, you'll want to use `syn::Index::from` or `proc_macro::Literal::*_unsuffixed` for code that will desugar to tuple field access
[INFO] [stderr]    = note: for more context, see https://github.com/rust-lang/rust/issues/60210
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `"docker" "inspect" "7120bddfbbcb3419c0f80eb4b176df069ff498fb9b6cef19f4e9de3428c8e512"`
[INFO] running `"docker" "rm" "-f" "7120bddfbbcb3419c0f80eb4b176df069ff498fb9b6cef19f4e9de3428c8e512"`
[INFO] [stdout] 7120bddfbbcb3419c0f80eb4b176df069ff498fb9b6cef19f4e9de3428c8e512
[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/convey_derive/0.2.0:/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-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 5d03fbf2bec30f5a4c5283c96a1c4c4184a0258d35d499e57aec4f2e397e7863
[INFO] running `"docker" "start" "-a" "5d03fbf2bec30f5a4c5283c96a1c4c4184a0258d35d499e57aec4f2e397e7863"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/convey_derive-0fbc70d7dae85521
[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 2 tests
[INFO] [stderr]      Running /opt/crater/target/debug/deps/structs-960a6af21f33e1af
[INFO] [stdout] test struct_with_named_fields_of_primitive_types ... ok
[INFO] [stdout] test tuple_struct_of_primitive_types ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests convey_derive
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 5) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "5d03fbf2bec30f5a4c5283c96a1c4c4184a0258d35d499e57aec4f2e397e7863"`
[INFO] running `"docker" "rm" "-f" "5d03fbf2bec30f5a4c5283c96a1c4c4184a0258d35d499e57aec4f2e397e7863"`
[INFO] [stdout] 5d03fbf2bec30f5a4c5283c96a1c4c4184a0258d35d499e57aec4f2e397e7863