[INFO] updating cached repository https://github.com/fabricereix/sample-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cff7f29c21dd22aee6abcff4e1c691955a2fd891
[INFO] checking fabricereix/sample-rust against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabricereix%2Fsample-rust" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabricereix/sample-rust on toolchain c9edc02e8320a9e5799d185910ece7d491f524e6-alt
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fabricereix/sample-rust
[INFO] removed 1 missing tests
[INFO] finished tweaking git repo https://github.com/fabricereix/sample-rust
[INFO] tweaked toml for git repo https://github.com/fabricereix/sample-rust written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/fabricereix/sample-rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /mnt/big/crater/work/builds/worker-1/source/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[INFO] the lockfile is outdated, regenerating it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/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c9bfebcfe1cf36b18c70c414a77a1d03fcbea19e39564cf7fef51e0c99911d2e
[INFO] running `"docker" "start" "-a" "c9bfebcfe1cf36b18c70c414a77a1d03fcbea19e39564cf7fef51e0c99911d2e"`
[INFO] [stderr]    Compiling libxml v0.2.12
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tabwriter v1.1.0
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]     Checking streaming-stats v0.2.2
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking docopt v1.1.0
[INFO] [stderr]     Checking crossbeam-epoch v0.6.1
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking csv-index v0.1.6
[INFO] [stderr]     Checking xsv v0.13.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/cmd/headers.rs:60:22
[INFO] [stderr]    |
[INFO] [stderr] 60 |     let mut wtr: Box<io::Write> =
[INFO] [stderr]    |                      ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[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/cmd/join.rs:281:44
[INFO] [stderr]     |
[INFO] [stderr] 281 |         -> CliResult<IoState<fs::File, Box<io::Write+'static>>> {
[INFO] [stderr]     |                                            ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write+'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmd/partition.rs:138:36
[INFO] [stderr]     |
[INFO] [stderr] 138 | type BoxedWriter = csv::Writer<Box<io::Write+'static>>;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write+'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/cmd/split.rs:131:36
[INFO] [stderr]     |
[INFO] [stderr] 131 |     ) -> CliResult<csv::Writer<Box<io::Write+'static>>> {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write+'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:197:48
[INFO] [stderr]     |
[INFO] [stderr] 197 |                  -> io::Result<csv::Writer<Box<io::Write+'static>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write+'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:202:48
[INFO] [stderr]     |
[INFO] [stderr] 202 |                  -> io::Result<csv::Reader<Box<io::Read+'static>>> {
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read+'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:263:47
[INFO] [stderr]     |
[INFO] [stderr] 263 |     pub fn io_reader(&self) -> io::Result<Box<io::Read+'static>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Read+'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/config.rs:293:47
[INFO] [stderr]     |
[INFO] [stderr] 293 |     pub fn io_writer(&self) -> io::Result<Box<io::Write+'static>> {
[INFO] [stderr]     |                                               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write+'static`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/util.rs:190:48
[INFO] [stderr]     |
[INFO] [stderr] 190 |                  -> io::Result<csv::Writer<Box<io::Write+'static>>>
[INFO] [stderr]     |                                                ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn io::Write+'static`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.47s
[INFO] running `"docker" "inspect" "c9bfebcfe1cf36b18c70c414a77a1d03fcbea19e39564cf7fef51e0c99911d2e"`
[INFO] running `"docker" "rm" "-f" "c9bfebcfe1cf36b18c70c414a77a1d03fcbea19e39564cf7fef51e0c99911d2e"`
[INFO] [stdout] c9bfebcfe1cf36b18c70c414a77a1d03fcbea19e39564cf7fef51e0c99911d2e