[INFO] crate rusta 0.0.2 is already in cache
[INFO] testing rusta-0.0.2 against 1.38.0 for beta-1.39-1
[INFO] extracting crate rusta 0.0.2 into work/builds/worker-6/source
[INFO] validating manifest of crates.io crate rusta 0.0.2 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate rusta 0.0.2
[INFO] finished tweaking crates.io crate rusta 0.0.2
[INFO] tweaked toml for crates.io crate rusta 0.0.2 written to work/builds/worker-6/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] b6197261c36cf95bfaa4140b0552ddacb1a5e0c26f87d1333d8fac5b97c3a363
[INFO] running `"docker" "start" "-a" "b6197261c36cf95bfaa4140b0552ddacb1a5e0c26f87d1333d8fac5b97c3a363"`
[INFO] [stderr]    Compiling rusta v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `FileReadMemorySettings`
[INFO] [stderr]  --> src/config/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum FileReadMemorySettings {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `FileReadConcurrencySettings`
[INFO] [stderr]   --> src/config/mod.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub enum FileReadConcurrencySettings {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ParsingPropertiesMode`
[INFO] [stderr]   --> src/config/mod.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum ParsingPropertiesMode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ParsingSettings`
[INFO] [stderr]   --> src/config/mod.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct ParsingSettings {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_parser_builder`
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn new_parser_builder() -> config::ParsingSettings {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] running `"docker" "inspect" "b6197261c36cf95bfaa4140b0552ddacb1a5e0c26f87d1333d8fac5b97c3a363"`
[INFO] running `"docker" "rm" "-f" "b6197261c36cf95bfaa4140b0552ddacb1a5e0c26f87d1333d8fac5b97c3a363"`
[INFO] [stdout] b6197261c36cf95bfaa4140b0552ddacb1a5e0c26f87d1333d8fac5b97c3a363
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d62c425a85f19faecc6f386450c7ce6cbbac29af662d9b005a6a385bcf32e021
[INFO] running `"docker" "start" "-a" "d62c425a85f19faecc6f386450c7ce6cbbac29af662d9b005a6a385bcf32e021"`
[INFO] [stderr]    Compiling rusta v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr] warning: enum is never used: `FileReadMemorySettings`
[INFO] [stderr]  --> src/config/mod.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub enum FileReadMemorySettings {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `FileReadConcurrencySettings`
[INFO] [stderr]   --> src/config/mod.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub enum FileReadConcurrencySettings {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `ParsingPropertiesMode`
[INFO] [stderr]   --> src/config/mod.rs:28:1
[INFO] [stderr]    |
[INFO] [stderr] 28 | pub enum ParsingPropertiesMode {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `ParsingSettings`
[INFO] [stderr]   --> src/config/mod.rs:34:1
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct ParsingSettings {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `new_parser_builder`
[INFO] [stderr]  --> src/lib.rs:8:1
[INFO] [stderr]   |
[INFO] [stderr] 8 | fn new_parser_builder() -> config::ParsingSettings {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.31s
[INFO] running `"docker" "inspect" "d62c425a85f19faecc6f386450c7ce6cbbac29af662d9b005a6a385bcf32e021"`
[INFO] running `"docker" "rm" "-f" "d62c425a85f19faecc6f386450c7ce6cbbac29af662d9b005a6a385bcf32e021"`
[INFO] [stdout] d62c425a85f19faecc6f386450c7ce6cbbac29af662d9b005a6a385bcf32e021
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] c6f290b4815ca25b170057bb414c83340015a6da24b26e8ff7f6291884d22aac
[INFO] running `"docker" "start" "-a" "c6f290b4815ca25b170057bb414c83340015a6da24b26e8ff7f6291884d22aac"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rusta-41c82e53c524ec2e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rusta
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "c6f290b4815ca25b170057bb414c83340015a6da24b26e8ff7f6291884d22aac"`
[INFO] running `"docker" "rm" "-f" "c6f290b4815ca25b170057bb414c83340015a6da24b26e8ff7f6291884d22aac"`
[INFO] [stdout] c6f290b4815ca25b170057bb414c83340015a6da24b26e8ff7f6291884d22aac