[INFO] crate finn-assembler 0.2.2 is already in cache
[INFO] checking finn-assembler-0.2.2 against try#1a608893c03d7722effeb0058e82770bd36b4b3c for pr-66504-1
[INFO] extracting crate finn-assembler 0.2.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate finn-assembler 0.2.2 on toolchain 1a608893c03d7722effeb0058e82770bd36b4b3c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate finn-assembler 0.2.2
[INFO] finished tweaking crates.io crate finn-assembler 0.2.2
[INFO] tweaked toml for crates.io crate finn-assembler 0.2.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "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] df6d3a88fe0e8b67da8113edf9ea03dbea8d2f610c24f77b4f6f90be05302c00
[INFO] running `"docker" "start" "-a" "df6d3a88fe0e8b67da8113edf9ea03dbea8d2f610c24f77b4f6f90be05302c00"`
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking finn-assembler v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::ops::AddAssign<&_>`
[INFO] [stderr]   --> src/parser.rs:80:24
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 result += list_begin().as_ref();
[INFO] [stderr]    |                        ^^
[INFO] [stderr] 
[INFO] [stderr] error[E0283]: type annotations needed: cannot resolve `std::string::String: std::ops::AddAssign<&_>`
[INFO] [stderr]   --> src/parser.rs:80:24
[INFO] [stderr]    |
[INFO] [stderr] 80 |                 result += list_begin().as_ref();
[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 E0283`.
[INFO] [stderr] error: could not compile `finn-assembler`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0283`.
[INFO] [stderr] error: could not compile `finn-assembler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "df6d3a88fe0e8b67da8113edf9ea03dbea8d2f610c24f77b4f6f90be05302c00"`
[INFO] running `"docker" "rm" "-f" "df6d3a88fe0e8b67da8113edf9ea03dbea8d2f610c24f77b4f6f90be05302c00"`
[INFO] [stdout] df6d3a88fe0e8b67da8113edf9ea03dbea8d2f610c24f77b4f6f90be05302c00