[INFO] crate tectonicdb 0.2.3 is already in cache [INFO] extracting crate tectonicdb 0.2.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/tectonicdb/0.2.3 [INFO] extracting crate tectonicdb 0.2.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tectonicdb/0.2.3 [INFO] validating manifest of tectonicdb-0.2.3 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 tectonicdb-0.2.3 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 tectonicdb-0.2.3 [INFO] finished frobbing tectonicdb-0.2.3 [INFO] frobbed toml for tectonicdb-0.2.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tectonicdb/0.2.3/Cargo.toml [INFO] started frobbing tectonicdb-0.2.3 [INFO] finished frobbing tectonicdb-0.2.3 [INFO] frobbed toml for tectonicdb-0.2.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tectonicdb/0.2.3/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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tectonicdb-0.2.3 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-6/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/tectonicdb/0.2.3:/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] dcabec03361737745773444c7db7b921aba14dda63b3f337c62e9546e29ecb76 [INFO] running `"docker" "start" "-a" "dcabec03361737745773444c7db7b921aba14dda63b3f337c62e9546e29ecb76"` [INFO] [stderr] Compiling circular-queue v0.2.1 [INFO] [stderr] Compiling memchr v2.2.1 [INFO] [stderr] Compiling term_size v0.3.1 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Compiling config v0.6.0 [INFO] [stderr] Compiling tokio-signal v0.2.7 [INFO] [stderr] Compiling textwrap v0.8.0 [INFO] [stderr] Compiling uuid v0.5.1 [INFO] [stderr] Compiling clap v2.26.2 [INFO] [stderr] Compiling bstr v0.2.7 [INFO] [stderr] Compiling csv-core v0.1.6 [INFO] [stderr] Compiling csv v1.1.1 [INFO] [stderr] Compiling tectonicdb v0.2.3 (/opt/crater/workdir) [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib/lib.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | #![feature(libc)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel [INFO] [stderr] --> src/lib/lib.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | #![feature(rustc_private)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/dtf/file_format.rs:114:32 [INFO] [stderr] | [INFO] [stderr] 114 | fn write_magic_value(wtr: &mut Write) -> Result { [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/lib/dtf/file_format.rs:118:27 [INFO] [stderr] | [INFO] [stderr] 118 | fn write_symbol(wtr: &mut Write, symbol: &str) -> Result { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/dtf/file_format.rs:143:30 [INFO] [stderr] | [INFO] [stderr] 143 | fn write_reference(wtr: &mut Write, ref_ts: u64, ref_seq: u32, len: u16) -> Result<(), io::Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/dtf/file_format.rs:151:36 [INFO] [stderr] | [INFO] [stderr] 151 | pub fn write_batches(mut wtr: &mut Write, ups: &[Update]) -> Result<(), io::Error> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Write` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/lib/dtf/file_format.rs:546:36 [INFO] [stderr] | [INFO] [stderr] 546 | pub fn decode_buffer(mut buf: &mut Read) -> Vec { [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Read` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0554`. [INFO] [stderr] error: Could not compile `tectonicdb`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "dcabec03361737745773444c7db7b921aba14dda63b3f337c62e9546e29ecb76"` [INFO] running `"docker" "rm" "-f" "dcabec03361737745773444c7db7b921aba14dda63b3f337c62e9546e29ecb76"` [INFO] [stdout] dcabec03361737745773444c7db7b921aba14dda63b3f337c62e9546e29ecb76