[INFO] fetching crate simple_config 0.45.0...
[INFO] testing simple_config-0.45.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate simple_config 0.45.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate simple_config 0.45.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate simple_config 0.45.0
[INFO] removed 2 missing examples
[INFO] finished tweaking crates.io crate simple_config 0.45.0
[INFO] tweaked toml for crates.io crate simple_config 0.45.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate simple_config 0.45.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 984b32471c076fff71324796df230c817c293a076c41f573e9109874b9d06986
[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" "984b32471c076fff71324796df230c817c293a076c41f573e9109874b9d06986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984b32471c076fff71324796df230c817c293a076c41f573e9109874b9d06986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984b32471c076fff71324796df230c817c293a076c41f573e9109874b9d06986", kill_on_drop: false }`
[INFO] [stdout] 984b32471c076fff71324796df230c817c293a076c41f573e9109874b9d06986
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 08453b9ec3f217873d860bd3d84dc72d8a3e09ff8551e813c5e38dbef769c5d3
[INFO] running `Command { std: "docker" "start" "-a" "08453b9ec3f217873d860bd3d84dc72d8a3e09ff8551e813c5e38dbef769c5d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.73
[INFO] [stderr]    Compiling libc v0.2.97
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling bstr v0.2.16
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling bzip2-sys v0.1.11+1.0.8
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling bzip2 v0.4.3
[INFO] [stderr]    Compiling buffered-reader v1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling simple_config v0.45.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.21s
[INFO] running `Command { std: "docker" "inspect" "08453b9ec3f217873d860bd3d84dc72d8a3e09ff8551e813c5e38dbef769c5d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08453b9ec3f217873d860bd3d84dc72d8a3e09ff8551e813c5e38dbef769c5d3", kill_on_drop: false }`
[INFO] [stdout] 08453b9ec3f217873d860bd3d84dc72d8a3e09ff8551e813c5e38dbef769c5d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8b2d6d240b7ca204e5b6979f69600f5bdd228daf8eb7c591b73b5714f80e4c7a
[INFO] running `Command { std: "docker" "start" "-a" "8b2d6d240b7ca204e5b6979f69600f5bdd228daf8eb7c591b73b5714f80e4c7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling dtoa v0.4.8
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling humantime-serde v1.0.1
[INFO] [stderr]    Compiling darling_core v0.13.0
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling darling_macro v0.13.0
[INFO] [stderr]    Compiling darling v0.13.0
[INFO] [stderr]    Compiling serde_with_macros v1.4.2
[INFO] [stderr]    Compiling serde_with v1.9.4
[INFO] [stderr]    Compiling simple_config v0.45.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0601]: `main` function not found in crate `gitlab_ci`
[INFO] [stdout]   --> examples/gitlab-ci/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #[derive(Debug,PartialEq,serde_derive::Deserialize)]
[INFO] [stdout] 2  | | struct GitlabCi {
[INFO] [stdout] 3  | |     variables: std::collections::BTreeMap<String, String>,
[INFO] [stdout] 4  | |     cache: Cache,
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |     assert_eq!(scfg, yaml);
[INFO] [stdout] 63 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/gitlab-ci/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple_config`
[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] [stdout] error[E0601]: `main` function not found in crate `github_workflow`
[INFO] [stdout]   --> examples/github-workflow/main.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / #[derive(Debug,PartialEq,serde_derive::Deserialize)]
[INFO] [stdout] 2  | | struct Workflow {
[INFO] [stdout] 3  | |     name: String,
[INFO] [stdout] 4  | |
[INFO] [stdout] ...  |
[INFO] [stdout] 84 | |     test("nixpkgs/pending-set")
[INFO] [stdout] 85 | | }
[INFO] [stdout]    | |_^ consider adding a `main` function to `examples/github-workflow/main.rs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0601`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8b2d6d240b7ca204e5b6979f69600f5bdd228daf8eb7c591b73b5714f80e4c7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2d6d240b7ca204e5b6979f69600f5bdd228daf8eb7c591b73b5714f80e4c7a", kill_on_drop: false }`
[INFO] [stdout] 8b2d6d240b7ca204e5b6979f69600f5bdd228daf8eb7c591b73b5714f80e4c7a