[INFO] crate zerodmg 0.1.9 is already in cache [INFO] extracting crate zerodmg 0.1.9 into work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/zerodmg/0.1.9 [INFO] extracting crate zerodmg 0.1.9 into work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/zerodmg/0.1.9 [INFO] validating manifest of zerodmg-0.1.9 on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of zerodmg-0.1.9 on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing zerodmg-0.1.9 [INFO] disabled cargo feature 'publish-lockfile' from zerodmg-0.1.9 [INFO] finished frobbing zerodmg-0.1.9 [INFO] frobbed toml for zerodmg-0.1.9 written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/zerodmg/0.1.9/Cargo.toml [INFO] started frobbing zerodmg-0.1.9 [INFO] disabled cargo feature 'publish-lockfile' from zerodmg-0.1.9 [INFO] finished frobbing zerodmg-0.1.9 [INFO] frobbed toml for zerodmg-0.1.9 written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/zerodmg/0.1.9/Cargo.toml [INFO] crate zerodmg-0.1.9 already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-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-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/reg/zerodmg/0.1.9/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needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache lock [INFO] checking zerodmg-0.1.9 against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-6/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/reg/zerodmg/0.1.9:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 2c1c3d146145bdafa6062b1f4358111b7918390a24f165344cf1534e7961cbfc [INFO] running `"docker" "start" "-a" "2c1c3d146145bdafa6062b1f4358111b7918390a24f165344cf1534e7961cbfc"` [INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest [INFO] [stderr] Compiling syn v0.13.11 [INFO] [stderr] Checking zerodmg-utils v0.1.9 [INFO] [stderr] Compiling derive_more v0.11.0 [INFO] [stderr] Checking zerodmg-codes v0.1.9 [INFO] [stderr] error[E0635]: unknown feature `rust_2018_idioms` [INFO] [stderr] --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/zerodmg-codes-0.1.9/src/lib.rs:2:12 [INFO] [stderr] | [INFO] [stderr] 2 | #![feature(rust_2018_idioms)] [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0635`. [INFO] [stderr] error: Could not compile `zerodmg-codes`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "2c1c3d146145bdafa6062b1f4358111b7918390a24f165344cf1534e7961cbfc"` [INFO] running `"docker" "rm" "-f" "2c1c3d146145bdafa6062b1f4358111b7918390a24f165344cf1534e7961cbfc"` [INFO] [stdout] 2c1c3d146145bdafa6062b1f4358111b7918390a24f165344cf1534e7961cbfc