[INFO] updating cached repository toqueteos/rust-json [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/toqueteos/rust-json [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/toqueteos/rust-json" "work/ex/beta-1.38-1/sources/1.37.0/gh/toqueteos/rust-json"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/toqueteos/rust-json'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/toqueteos/rust-json" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/toqueteos/rust-json"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/toqueteos/rust-json'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 5b989b905b31337ea9506dcb3e6f3e87a4f1914a [INFO] sha for GitHub repo toqueteos/rust-json: 5b989b905b31337ea9506dcb3e6f3e87a4f1914a [INFO] validating manifest of toqueteos/rust-json 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 toqueteos/rust-json 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 toqueteos/rust-json [INFO] finished frobbing toqueteos/rust-json [INFO] frobbed toml for toqueteos/rust-json written to work/ex/beta-1.38-1/sources/1.37.0/gh/toqueteos/rust-json/Cargo.toml [INFO] started frobbing toqueteos/rust-json [INFO] finished frobbing toqueteos/rust-json [INFO] frobbed toml for toqueteos/rust-json written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/toqueteos/rust-json/Cargo.toml [INFO] crate toqueteos/rust-json already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing toqueteos/rust-json against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/toqueteos/rust-json:/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" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 04ee552b43efce2618a4382686d8bf8c242a1a7759893b7073d951d501a87f4b [INFO] running `"docker" "start" "-a" "04ee552b43efce2618a4382686d8bf8c242a1a7759893b7073d951d501a87f4b"` [INFO] [stderr] Compiling json v0.0.1 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #![feature(io)] [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: #![feature] may not be used on the stable release channel [INFO] [stderr] --> src/lib.rs:2:1 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(old_io)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: `...` range patterns are deprecated [INFO] [stderr] --> src/lib.rs:164:28 [INFO] [stderr] | [INFO] [stderr] 164 | '+'|'-'|'0'...'9' => self.scan_number(), [INFO] [stderr] | ^^^ help: use `..=` for an inclusive range [INFO] [stderr] | [INFO] [stderr] = note: #[warn(ellipsis_inclusive_range_patterns)] on by default [INFO] [stderr] [INFO] [stderr] warning: patterns aren't allowed in methods without bodies [INFO] [stderr] --> src/lib.rs:336:18 [INFO] [stderr] | [INFO] [stderr] 336 | fn from_json(mut items: &mut ItemReader) -> io::Result; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: #[warn(patterns_in_fns_without_body)] on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #35203 [INFO] [stderr] [INFO] [stderr] error[E0277]: the trait bound `Token: std::clone::Clone` is not satisfied [INFO] [stderr] --> src/lib.rs:9:10 [INFO] [stderr] | [INFO] [stderr] 9 | #[derive(Copy, Debug, PartialEq)] [INFO] [stderr] | ^^^^ the trait `std::clone::Clone` is not implemented for `Token` [INFO] [stderr] [INFO] [stderr] error[E0277]: the size for values of type `Self` cannot be known at compilation time [INFO] [stderr] --> src/lib.rs:336:5 [INFO] [stderr] | [INFO] [stderr] 336 | fn from_json(mut items: &mut ItemReader) -> io::Result; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ doesn't have a size known at compile-time [INFO] [stderr] | [INFO] [stderr] = help: the trait `std::marker::Sized` is not implemented for `Self` [INFO] [stderr] = note: to learn more, visit [INFO] [stderr] = help: consider adding a `where Self: std::marker::Sized` bound [INFO] [stderr] = note: required by `std::result::Result` [INFO] [stderr] [INFO] [stderr] error: aborting due to 4 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0277, E0554. [INFO] [stderr] For more information about an error, try `rustc --explain E0277`. [INFO] [stderr] error: Could not compile `json`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "04ee552b43efce2618a4382686d8bf8c242a1a7759893b7073d951d501a87f4b"` [INFO] running `"docker" "rm" "-f" "04ee552b43efce2618a4382686d8bf8c242a1a7759893b7073d951d501a87f4b"` [INFO] [stdout] 04ee552b43efce2618a4382686d8bf8c242a1a7759893b7073d951d501a87f4b