[INFO] fetching crate config_struct 0.4.0...
[INFO] testing config_struct-0.4.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate config_struct 0.4.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate config_struct 0.4.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate config_struct 0.4.0
[INFO] finished tweaking crates.io crate config_struct 0.4.0
[INFO] tweaked toml for crates.io crate config_struct 0.4.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=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" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 302c509534d1c2ff89a50ff468953841701b4afc2aa2bcb25d2fff674b5d373a
[INFO] running `"docker" "start" "-a" "302c509534d1c2ff89a50ff468953841701b4afc2aa2bcb25d2fff674b5d373a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling serde_test v1.0.111
[INFO] [stderr]    Compiling linear-map v1.2.0
[INFO] [stderr]    Compiling backtrace v0.3.48
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling config_struct v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.29s
[INFO] running `"docker" "inspect" "302c509534d1c2ff89a50ff468953841701b4afc2aa2bcb25d2fff674b5d373a"`
[INFO] running `"docker" "rm" "-f" "302c509534d1c2ff89a50ff468953841701b4afc2aa2bcb25d2fff674b5d373a"`
[INFO] [stdout] 302c509534d1c2ff89a50ff468953841701b4afc2aa2bcb25d2fff674b5d373a
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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=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" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc6cbfd79dd9b9158e05e323f4a59d4a6669704eb3ef53f807ad484eaf880cdd
[INFO] running `"docker" "start" "-a" "fc6cbfd79dd9b9158e05e323f4a59d4a6669704eb3ef53f807ad484eaf880cdd"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling config_struct v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0599]: no variant or associated item named `Json` found for enum `config_struct::format::Format` in the current scope
[INFO] [stderr]   --> tests/number_size_tests.rs:57:18
[INFO] [stderr]    |
[INFO] [stderr] 57 |         (Format::Json, r#"{"number": 100.5}"#),
[INFO] [stderr]    |                  ^^^^ variant or associated item not found in `config_struct::format::Format`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no variant or associated item named `Ron` found for enum `config_struct::format::Format` in the current scope
[INFO] [stderr]   --> tests/number_size_tests.rs:58:18
[INFO] [stderr]    |
[INFO] [stderr] 58 |         (Format::Ron, "(number: 100.5)"),
[INFO] [stderr]    |                  ^^^ variant or associated item not found in `config_struct::format::Format`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no variant or associated item named `Yaml` found for enum `config_struct::format::Format` in the current scope
[INFO] [stderr]   --> tests/number_size_tests.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |         (Format::Yaml, "number: 100.5"),
[INFO] [stderr]    |                  ^^^^ variant or associated item not found in `config_struct::format::Format`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no variant or associated item named `Json` found for enum `config_struct::format::Format` in the current scope
[INFO] [stderr]   --> tests/number_size_tests.rs:64:18
[INFO] [stderr]    |
[INFO] [stderr] 64 |         (Format::Json, r#"{"number": 100}"#),
[INFO] [stderr]    |                  ^^^^ variant or associated item not found in `config_struct::format::Format`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no variant or associated item named `Ron` found for enum `config_struct::format::Format` in the current scope
[INFO] [stderr]   --> tests/number_size_tests.rs:65:18
[INFO] [stderr]    |
[INFO] [stderr] 65 |         (Format::Ron, "(number: 100)"),
[INFO] [stderr]    |                  ^^^ variant or associated item not found in `config_struct::format::Format`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no variant or associated item named `Yaml` found for enum `config_struct::format::Format` in the current scope
[INFO] [stderr]   --> tests/number_size_tests.rs:67:18
[INFO] [stderr]    |
[INFO] [stderr] 67 |         (Format::Yaml, "number: 100"),
[INFO] [stderr]    |                  ^^^^ variant or associated item not found in `config_struct::format::Format`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 6 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `config_struct`.
[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] error: build failed
[INFO] running `"docker" "inspect" "fc6cbfd79dd9b9158e05e323f4a59d4a6669704eb3ef53f807ad484eaf880cdd"`
[INFO] running `"docker" "rm" "-f" "fc6cbfd79dd9b9158e05e323f4a59d4a6669704eb3ef53f807ad484eaf880cdd"`
[INFO] [stdout] fc6cbfd79dd9b9158e05e323f4a59d4a6669704eb3ef53f807ad484eaf880cdd