[INFO] fetching crate chema 0.0.9...
[INFO] testing chema-0.0.9 against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] extracting crate chema 0.0.9 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate chema 0.0.9 on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chema 0.0.9
[INFO] finished tweaking crates.io crate chema 0.0.9
[INFO] tweaked toml for crates.io crate chema 0.0.9 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate chema 0.0.9 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded combine v4.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 75c17ea335bc6810addc4bf187d4653aa7eeb5579a053c4d8ab684717ff48a78
[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" "75c17ea335bc6810addc4bf187d4653aa7eeb5579a053c4d8ab684717ff48a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "75c17ea335bc6810addc4bf187d4653aa7eeb5579a053c4d8ab684717ff48a78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c17ea335bc6810addc4bf187d4653aa7eeb5579a053c4d8ab684717ff48a78", kill_on_drop: false }`
[INFO] [stdout] 75c17ea335bc6810addc4bf187d4653aa7eeb5579a053c4d8ab684717ff48a78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97fc13894a5fc6fe2e7d43674d49939836751c86d39aaa26033f53cbb2ca6d8f
[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" "97fc13894a5fc6fe2e7d43674d49939836751c86d39aaa26033f53cbb2ca6d8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling quick-error v1.2.3
[INFO] [stderr]    Compiling dtoa v0.4.6
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling humantime v1.3.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling serde_yaml v0.8.14
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling combine v4.3.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling chema v0.0.9 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 13s
[INFO] running `Command { std: "docker" "inspect" "97fc13894a5fc6fe2e7d43674d49939836751c86d39aaa26033f53cbb2ca6d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97fc13894a5fc6fe2e7d43674d49939836751c86d39aaa26033f53cbb2ca6d8f", kill_on_drop: false }`
[INFO] [stdout] 97fc13894a5fc6fe2e7d43674d49939836751c86d39aaa26033f53cbb2ca6d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df2fdb2289a1840041f89a2e2bfde70b08af48dba2e721c92b9439799a7bbe85
[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" "df2fdb2289a1840041f89a2e2bfde70b08af48dba2e721c92b9439799a7bbe85", kill_on_drop: false }`
[INFO] [stderr]    Compiling chema v0.0.9 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:686:32
[INFO] [stdout]     |
[INFO] [stdout] 686 |                     Annot::new(Field {
[INFO] [stdout]     |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:690:32
[INFO] [stdout]     |
[INFO] [stdout] 690 |                     Annot::new(Field {
[INFO] [stdout]     |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:703:32
[INFO] [stdout]     |
[INFO] [stdout] 703 |                     Annot::new(Field {
[INFO] [stdout]     |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:707:32
[INFO] [stdout]     |
[INFO] [stdout] 707 |                     Annot::new(Field {
[INFO] [stdout]     |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:727:32
[INFO] [stdout]     |
[INFO] [stdout] 727 | ...                   t: Field {
[INFO] [stdout]     |                          ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:736:36
[INFO] [stdout]     |
[INFO] [stdout] 736 |                         Annot::new(Field {
[INFO] [stdout]     |                                    ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:755:36
[INFO] [stdout]     |
[INFO] [stdout] 755 |                         Annot::new(Field {
[INFO] [stdout]     |                                    ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:759:36
[INFO] [stdout]     |
[INFO] [stdout] 759 |                         Annot::new(Field {
[INFO] [stdout]     |                                    ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:902:32
[INFO] [stdout]     |
[INFO] [stdout] 902 |                     Annot::new(Field {
[INFO] [stdout]     |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:906:32
[INFO] [stdout]     |
[INFO] [stdout] 906 |                     Annot::new(Field {
[INFO] [stdout]     |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:964:45
[INFO] [stdout]     |
[INFO] [stdout] 964 |                     fields: vec![Annot::new(Field {
[INFO] [stdout]     |                                             ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]    --> src/parser.rs:970:45
[INFO] [stdout]     |
[INFO] [stdout] 970 |                     fields: vec![Annot::new(Field {
[INFO] [stdout]     |                                             ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1025:32
[INFO] [stdout]      |
[INFO] [stdout] 1025 |                     Annot::new(Field {
[INFO] [stdout]      |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1029:32
[INFO] [stdout]      |
[INFO] [stdout] 1029 |                     Annot::new(Field {
[INFO] [stdout]      |                                ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1057:40
[INFO] [stdout]      |
[INFO] [stdout] 1057 | ...                   Annot::new(Field {
[INFO] [stdout]      |                                  ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1061:40
[INFO] [stdout]      |
[INFO] [stdout] 1061 | ...                   Annot::new(Field {
[INFO] [stdout]      |                                  ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1091:36
[INFO] [stdout]      |
[INFO] [stdout] 1091 | ...                   t: Field {
[INFO] [stdout]      |                          ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1100:40
[INFO] [stdout]      |
[INFO] [stdout] 1100 | ...                   Annot::new(Field {
[INFO] [stdout]      |                                  ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1127:57
[INFO] [stdout]      |
[INFO] [stdout] 1127 | ...                   fields: vec![Annot::new(Field {
[INFO] [stdout]      |                                               ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1124:49
[INFO] [stdout]      |
[INFO] [stdout] 1124 |                         fields: vec![Annot::new(Field {
[INFO] [stdout]      |                                                 ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1154:40
[INFO] [stdout]      |
[INFO] [stdout] 1154 | ...                   Annot::new(Field {
[INFO] [stdout]      |                                  ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1158:40
[INFO] [stdout]      |
[INFO] [stdout] 1158 | ...                   Annot::new(Field {
[INFO] [stdout]      |                                  ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1195:44
[INFO] [stdout]      |
[INFO] [stdout] 1195 | ...                   Annot::new(Field {
[INFO] [stdout]      |                                  ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0063]: missing field `is_optional` in initializer of `parser::Field`
[INFO] [stdout]     --> src/parser.rs:1199:44
[INFO] [stdout]      |
[INFO] [stdout] 1199 | ...                   Annot::new(Field {
[INFO] [stdout]      |                                  ^^^^^ missing `is_optional`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 24 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chema`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "df2fdb2289a1840041f89a2e2bfde70b08af48dba2e721c92b9439799a7bbe85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2fdb2289a1840041f89a2e2bfde70b08af48dba2e721c92b9439799a7bbe85", kill_on_drop: false }`
[INFO] [stdout] df2fdb2289a1840041f89a2e2bfde70b08af48dba2e721c92b9439799a7bbe85