[INFO] updating cached repository susytech/susy-codec
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/susytech/susy-codec
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/susytech/susy-codec" "work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/susytech/susy-codec"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/susytech/susy-codec'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/susytech/susy-codec" "work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/susytech/susy-codec"`
[INFO] [stderr] Cloning into 'work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/susytech/susy-codec'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dc7fdac4ae934b389cbd1f87853f04b4281499c5
[INFO] sha for GitHub repo susytech/susy-codec: dc7fdac4ae934b389cbd1f87853f04b4281499c5
[INFO] validating manifest of susytech/susy-codec on toolchain master#e305df1846a6d985315917ae0c81b74af8b4e641
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of susytech/susy-codec on toolchain try#99a7498759a22b5684caf798a98b7e90ad9d2443
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing susytech/susy-codec
[INFO] removed workspace from susytech/susy-codec
[INFO] removed path dependency susy-codec-derive from susytech/susy-codec
[INFO] removed path dependency susy-codec-derive from susytech/susy-codec
[INFO] finished frobbing susytech/susy-codec
[INFO] frobbed toml for susytech/susy-codec written to work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/susytech/susy-codec/Cargo.toml
[INFO] started frobbing susytech/susy-codec
[INFO] removed workspace from susytech/susy-codec
[INFO] removed path dependency susy-codec-derive from susytech/susy-codec
[INFO] removed path dependency susy-codec-derive from susytech/susy-codec
[INFO] finished frobbing susytech/susy-codec
[INFO] frobbed toml for susytech/susy-codec written to work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/susytech/susy-codec/Cargo.toml
[INFO] crate susytech/susy-codec already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/pr-60039-1/sources/master#e305df1846a6d985315917ae0c81b74af8b4e641/gh/susytech/susy-codec/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" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on the registry index
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e305df1846a6d985315917ae0c81b74af8b4e641-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking susytech/susy-codec against try#99a7498759a22b5684caf798a98b7e90ad9d2443 for pr-60039-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-60039-1/worker-6/try#99a7498759a22b5684caf798a98b7e90ad9d2443:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-60039-1/sources/try#99a7498759a22b5684caf798a98b7e90ad9d2443/gh/susytech/susy-codec:/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=forbid" "-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" "+99a7498759a22b5684caf798a98b7e90ad9d2443-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 3febf49fc0c144c004cb0f903496710126f3f64acfe1a83fabed192e7bdabae9
[INFO] running `"docker" "start" "-a" "3febf49fc0c144c004cb0f903496710126f3f64acfe1a83fabed192e7bdabae9"`
[INFO] [stderr]    Compiling syn v0.15.32
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]     Checking susy-codec v3.1.0 (/opt/crater/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling proc-macro-crate v0.1.3
[INFO] [stderr]    Compiling susy-codec-derive v3.1.0
[INFO] [stderr] warning: suffixes on a tuple index are invalid
[INFO] [stderr]   --> tests/mod.rs:26:28
[INFO] [stderr]    |
[INFO] [stderr] 26 | #[derive(Debug, PartialEq, Encode, Decode)]
[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] warning: unused imports: `CompactAs`, `Compact`, `Decode`, `EncodeAsRef`
[INFO] [stderr]  --> tests/single_field_struct_encoding.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use susy_codec::{Encode, Decode, HasCompact, Compact, EncodeAsRef, CompactAs};
[INFO] [stderr]   |                          ^^^^^^              ^^^^^^^  ^^^^^^^^^^^  ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
[INFO] running `"docker" "inspect" "3febf49fc0c144c004cb0f903496710126f3f64acfe1a83fabed192e7bdabae9"`
[INFO] running `"docker" "rm" "-f" "3febf49fc0c144c004cb0f903496710126f3f64acfe1a83fabed192e7bdabae9"`
[INFO] [stdout] 3febf49fc0c144c004cb0f903496710126f3f64acfe1a83fabed192e7bdabae9