[INFO] updating cached repository https://github.com/appaquet/extsort-rs
[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] 44a50e587cd6ed4dc7bcdf917818b3f95b4c550e
[INFO] checking appaquet/extsort-rs against master#c9edc02e8320a9e5799d185910ece7d491f524e6 for pr-64398
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fappaquet%2Fextsort-rs" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/appaquet/extsort-rs 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/appaquet/extsort-rs
[INFO] finished tweaking git repo https://github.com/appaquet/extsort-rs
[INFO] tweaked toml for git repo https://github.com/appaquet/extsort-rs written to work/builds/worker-4/source/Cargo.toml
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-4/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] bdf1a8032a17ec003f158e93f758ef3d2c7de9e664a9fa981d3446d2b9e4a553
[INFO] running `"docker" "start" "-a" "bdf1a8032a17ec003f158e93f758ef3d2c7de9e664a9fa981d3446d2b9e4a553"`
[INFO] [stderr]     Checking bytecount v0.4.0
[INFO] [stderr]    Compiling serde v1.0.101
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking pulldown-cmark v0.2.0
[INFO] [stderr]     Checking error-chain v0.12.1
[INFO] [stderr]     Checking cargo_metadata v0.6.4
[INFO] [stderr]     Checking skeptic v0.13.4
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling extsort v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sorter.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn encode(item: T, output: &mut Write);
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn 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/sorter.rs:139:28
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn decode(intput: &mut Read) -> Option<T>;
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sorter.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn read_item(file: &mut Read) -> Option<T> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sorter.rs:138:37
[INFO] [stderr]     |
[INFO] [stderr] 138 |     fn encode(item: T, output: &mut Write);
[INFO] [stderr]     |                                     ^^^^^ help: use `dyn`: `dyn 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/sorter.rs:139:28
[INFO] [stderr]     |
[INFO] [stderr] 139 |     fn decode(intput: &mut Read) -> Option<T>;
[INFO] [stderr]     |                            ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sorter.rs:177:29
[INFO] [stderr]     |
[INFO] [stderr] 177 |     fn read_item(file: &mut Read) -> Option<T> {
[INFO] [stderr]     |                             ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sorter.rs:257:42
[INFO] [stderr]     |
[INFO] [stderr] 257 |         fn encode(item: u32, write: &mut Write) {
[INFO] [stderr]     |                                          ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/sorter.rs:261:30
[INFO] [stderr]     |
[INFO] [stderr] 261 |         fn decode(read: &mut Read) -> Option<u32> {
[INFO] [stderr]     |                              ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> tests/markdown.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | /// skeptic generates tests from markdown. See [build.rs]: ../build.rs
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 16 | include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));
[INFO] [stderr]    | -------------------------------------------------------- rustdoc does not generate documentation for macro expansions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr]    = help: to document an item produced by a macro, the macro must produce the documentation as part of its expansion
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> benches/huge.rs:28:43
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn encode(item: MyStruct, write: &mut Write) {
[INFO] [stderr]    |                                           ^^^^^ help: use `dyn`: `dyn 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]   --> benches/huge.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |     fn decode(read: &mut Read) -> Option<MyStruct> {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.22s
[INFO] running `"docker" "inspect" "bdf1a8032a17ec003f158e93f758ef3d2c7de9e664a9fa981d3446d2b9e4a553"`
[INFO] running `"docker" "rm" "-f" "bdf1a8032a17ec003f158e93f758ef3d2c7de9e664a9fa981d3446d2b9e4a553"`
[INFO] [stdout] bdf1a8032a17ec003f158e93f758ef3d2c7de9e664a9fa981d3446d2b9e4a553