[INFO] fetching crate config_struct 0.5.0...
[INFO] checking config_struct-0.5.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate config_struct 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate config_struct 0.5.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded case v1.0.0
[INFO] [stderr]   Downloaded serde_test v1.0.130
[INFO] [stderr]   Downloaded serde_yaml v0.7.5
[INFO] [stderr]   Downloaded linear-map v1.2.0
[INFO] [stderr]   Downloaded ron v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0f6c15c4d1e465e3734baf12c1f244d11ea2bd0667a2b13f6b8252a8ba3c3a42
[INFO] running `Command { std: "docker" "start" "-a" "0f6c15c4d1e465e3734baf12c1f244d11ea2bd0667a2b13f6b8252a8ba3c3a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f6c15c4d1e465e3734baf12c1f244d11ea2bd0667a2b13f6b8252a8ba3c3a42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f6c15c4d1e465e3734baf12c1f244d11ea2bd0667a2b13f6b8252a8ba3c3a42", kill_on_drop: false }`
[INFO] [stdout] 0f6c15c4d1e465e3734baf12c1f244d11ea2bd0667a2b13f6b8252a8ba3c3a42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7e6f997bcbf4c4990c40612ec2d1da302ad2652945e274d4e1b97c819b89193
[INFO] running `Command { std: "docker" "start" "-a" "a7e6f997bcbf4c4990c40612ec2d1da302ad2652945e274d4e1b97c819b89193", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking backtrace v0.3.61
[INFO] [stderr]     Checking serde_test v1.0.130
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking linear-map v1.2.0
[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 `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 `Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Ron` found for enum `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 `Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Yaml` found for enum `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 `Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Json` found for enum `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 `Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Ron` found for enum `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 `Format`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no variant or associated item named `Yaml` found for enum `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 `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` due to 7 previous errors
[INFO] running `Command { std: "docker" "inspect" "a7e6f997bcbf4c4990c40612ec2d1da302ad2652945e274d4e1b97c819b89193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7e6f997bcbf4c4990c40612ec2d1da302ad2652945e274d4e1b97c819b89193", kill_on_drop: false }`
[INFO] [stdout] a7e6f997bcbf4c4990c40612ec2d1da302ad2652945e274d4e1b97c819b89193
