[INFO] fetching crate nixcfg 0.2.0... [INFO] checking nixcfg-0.2.0 against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] extracting crate nixcfg 0.2.0 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate nixcfg 0.2.0 on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking crates.io crate nixcfg 0.2.0 [INFO] finished tweaking crates.io crate nixcfg 0.2.0 [INFO] tweaked toml for crates.io crate nixcfg 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded arenatree v0.1.3 [INFO] [stderr] Downloaded rnix v0.4.2 [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 8650118b44e53b64efda69ecd572f4ad34a8d3ebd811d72e586842923f2a855e [INFO] running `"docker" "start" "-a" "8650118b44e53b64efda69ecd572f4ad34a8d3ebd811d72e586842923f2a855e"` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling cc v1.0.52 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking smol_str v0.1.15 [INFO] [stderr] Checking arenatree v0.1.3 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Compiling quote v1.0.4 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling syn v1.0.18 [INFO] [stderr] Compiling backtrace-sys v0.1.37 [INFO] [stderr] Checking backtrace v0.3.46 [INFO] [stderr] Compiling synstructure v0.12.3 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling failure_derive v0.1.7 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking failure v0.1.7 [INFO] [stderr] Checking rnix v0.4.2 [INFO] [stderr] Checking nixcfg v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:95:9 [INFO] [stderr] | [INFO] [stderr] 95 | write!(file, "{}", content); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:126:13 [INFO] [stderr] | [INFO] [stderr] 126 | write!(content, "{}", ast); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] error[E0308]: mismatched types [INFO] [stderr] --> src/main.rs:344:28 [INFO] [stderr] | [INFO] [stderr] 344 | value: replace_by [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | expected enum `std::option::Option`, found struct `std::string::String` [INFO] [stderr] | help: try using a variant of the expected enum: `Some(replace_by)` [INFO] [stderr] | [INFO] [stderr] = note: expected enum `std::option::Option` [INFO] [stderr] found struct `std::string::String` [INFO] [stderr] [INFO] [stderr] error[E0063]: missing field `keep_eol` in initializer of `Command` [INFO] [stderr] --> src/main.rs:342:27 [INFO] [stderr] | [INFO] [stderr] 342 | let cmd = Command::Set { [INFO] [stderr] | ^^^^^^^^^^^^ missing `keep_eol` [INFO] [stderr] [INFO] [stderr] error: aborting due to 2 previous errors [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0063, E0308. [INFO] [stderr] For more information about an error, try `rustc --explain E0063`. [INFO] [stderr] error: could not compile `nixcfg`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] warning: 2 warnings emitted [INFO] [stderr] [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "8650118b44e53b64efda69ecd572f4ad34a8d3ebd811d72e586842923f2a855e"` [INFO] running `"docker" "rm" "-f" "8650118b44e53b64efda69ecd572f4ad34a8d3ebd811d72e586842923f2a855e"` [INFO] [stdout] 8650118b44e53b64efda69ecd572f4ad34a8d3ebd811d72e586842923f2a855e