[INFO] fetching crate config_struct 0.5.0...
[INFO] checking config_struct-0.5.0 against try#f6e2f78768c57172b99c3e85892f867894dc7e30 for pr-75502
[INFO] extracting crate config_struct 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate config_struct 0.5.0 on toolchain f6e2f78768c57172b99c3e85892f867894dc7e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate config_struct 0.5.0
[INFO] finished tweaking crates.io crate config_struct 0.5.0
[INFO] tweaked toml for crates.io crate config_struct 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded case v1.0.0
[INFO] [stderr]   Downloaded ron v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 43963f1065f3b3b6f0d39eb2953e9e5bc94e1ec741aab45ebe23c15b803d149e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "43963f1065f3b3b6f0d39eb2953e9e5bc94e1ec741aab45ebe23c15b803d149e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "43963f1065f3b3b6f0d39eb2953e9e5bc94e1ec741aab45ebe23c15b803d149e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43963f1065f3b3b6f0d39eb2953e9e5bc94e1ec741aab45ebe23c15b803d149e", kill_on_drop: false }`
[INFO] [stdout] 43963f1065f3b3b6f0d39eb2953e9e5bc94e1ec741aab45ebe23c15b803d149e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+f6e2f78768c57172b99c3e85892f867894dc7e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c343f0eb33151bbe3858d81218484da6bb8b7b8375ed2b2e522a65db6ca3d07
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3c343f0eb33151bbe3858d81218484da6bb8b7b8375ed2b2e522a65db6ca3d07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking gimli v0.22.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking object v0.20.0
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]     Checking miniz_oxide v0.4.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking addr2line v0.13.0
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking serde_test v1.0.115
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking config_struct v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no variant or associated item named `Json` found for enum `config_struct::Format` in the current scope
[INFO] [stdout]   --> tests/number_size_tests.rs:57:18
[INFO] [stdout]    |
[INFO] [stdout] 57 |         (Format::Json, r#"{"number": 100.5}"#),
[INFO] [stdout]    |                  ^^^^ variant or associated item not found in `config_struct::Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Ron` found for enum `config_struct::Format` in the current scope
[INFO] [stdout]   --> tests/number_size_tests.rs:58:18
[INFO] [stdout]    |
[INFO] [stdout] 58 |         (Format::Ron, "(number: 100.5)"),
[INFO] [stdout]    |                  ^^^ variant or associated item not found in `config_struct::Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Yaml` found for enum `config_struct::Format` in the current scope
[INFO] [stdout]   --> tests/number_size_tests.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |         (Format::Yaml, "number: 100.5"),
[INFO] [stdout]    |                  ^^^^ variant or associated item not found in `config_struct::Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Json` found for enum `config_struct::Format` in the current scope
[INFO] [stdout]   --> tests/number_size_tests.rs:64:18
[INFO] [stdout]    |
[INFO] [stdout] 64 |         (Format::Json, r#"{"number": 100}"#),
[INFO] [stdout]    |                  ^^^^ variant or associated item not found in `config_struct::Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Ron` found for enum `config_struct::Format` in the current scope
[INFO] [stdout]   --> tests/number_size_tests.rs:65:18
[INFO] [stdout]    |
[INFO] [stdout] 65 |         (Format::Ron, "(number: 100)"),
[INFO] [stdout]    |                  ^^^ variant or associated item not found in `config_struct::Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Yaml` found for enum `config_struct::Format` in the current scope
[INFO] [stdout]   --> tests/number_size_tests.rs:67:18
[INFO] [stdout]    |
[INFO] [stdout] 67 |         (Format::Yaml, "number: 100"),
[INFO] [stdout]    |                  ^^^^ variant or associated item not found in `config_struct::Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `config_struct`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3c343f0eb33151bbe3858d81218484da6bb8b7b8375ed2b2e522a65db6ca3d07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c343f0eb33151bbe3858d81218484da6bb8b7b8375ed2b2e522a65db6ca3d07", kill_on_drop: false }`
[INFO] [stdout] 3c343f0eb33151bbe3858d81218484da6bb8b7b8375ed2b2e522a65db6ca3d07