[INFO] fetching crate config_struct 0.5.0...
[INFO] checking config_struct-0.5.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate config_struct 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate config_struct 0.5.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b502deb610c47a2be41120fcabe55201dd6ff1b56b1501873f462238164accb6
[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" "b502deb610c47a2be41120fcabe55201dd6ff1b56b1501873f462238164accb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b502deb610c47a2be41120fcabe55201dd6ff1b56b1501873f462238164accb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b502deb610c47a2be41120fcabe55201dd6ff1b56b1501873f462238164accb6", kill_on_drop: false }`
[INFO] [stdout] b502deb610c47a2be41120fcabe55201dd6ff1b56b1501873f462238164accb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccf0e070b922e7d2e3464c9228d0a5c11a0a72ceb6760ccf12586abb78fd87ec
[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" "ccf0e070b922e7d2e3464c9228d0a5c11a0a72ceb6760ccf12586abb78fd87ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking serde_test v1.0.125
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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 `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`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "ccf0e070b922e7d2e3464c9228d0a5c11a0a72ceb6760ccf12586abb78fd87ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccf0e070b922e7d2e3464c9228d0a5c11a0a72ceb6760ccf12586abb78fd87ec", kill_on_drop: false }`
[INFO] [stdout] ccf0e070b922e7d2e3464c9228d0a5c11a0a72ceb6760ccf12586abb78fd87ec