[INFO] fetching crate errno-codes 0.1.0...
[INFO] checking errno-codes-0.1.0 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate errno-codes 0.1.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate errno-codes 0.1.0 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errno-codes 0.1.0
[INFO] finished tweaking crates.io crate errno-codes 0.1.0
[INFO] tweaked toml for crates.io crate errno-codes 0.1.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa19d6efe378e0bf2f692a0e0662942420e5f6753fdc6c7325631329146d64b5
[INFO] running `Command { std: "docker" "start" "-a" "aa19d6efe378e0bf2f692a0e0662942420e5f6753fdc6c7325631329146d64b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa19d6efe378e0bf2f692a0e0662942420e5f6753fdc6c7325631329146d64b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa19d6efe378e0bf2f692a0e0662942420e5f6753fdc6c7325631329146d64b5", kill_on_drop: false }`
[INFO] [stdout] aa19d6efe378e0bf2f692a0e0662942420e5f6753fdc6c7325631329146d64b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] afd0706a81a66b03fc881e454f3b70779d8ab03699cd9f7e6bbf0649d3f2b713
[INFO] running `Command { std: "docker" "start" "-a" "afd0706a81a66b03fc881e454f3b70779d8ab03699cd9f7e6bbf0649d3f2b713", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stdout] error: expected item, found `"serde_json requires that either `std` (default) or `alloc` feature is enabled"`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/features_check/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | "serde_json requires that either `std` (default) or `alloc` feature is enabled"
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `Value::String(_)` not covered
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/de.rs:216:15
[INFO] [stdout]     |
[INFO] [stdout] 216 |         match self {
[INFO] [stdout]     |               ^^^^ pattern `Value::String(_)` not covered
[INFO] [stdout]     |
[INFO] [stdout] note: `Value` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/mod.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum Value {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     String(String),
[INFO] [stdout]     |     ------ not covered
[INFO] [stdout]     = note: the matched value is of type `Value`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 223 ~             Value::Object(v) => visit_object(v, visitor),
[INFO] [stdout] 224 ~             Value::String(_) => todo!(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `Cow::Owned(_)` not covered
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/de.rs:1338:15
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         match self.value {
[INFO] [stdout]      |               ^^^^^^^^^^ pattern `Cow::Owned(_)` not covered
[INFO] [stdout]      |
[INFO] [stdout] note: `Cow<'_, str>` defined here
[INFO] [stdout]     --> /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/alloc/src/borrow.rs:180:1
[INFO] [stdout]     ::: /rustc/b0696a5160711c068cb1f01b7437db7990d15750/library/alloc/src/borrow.rs:190:5
[INFO] [stdout]      |
[INFO] [stdout]      = note: not covered
[INFO] [stdout]      = note: the matched value is of type `Cow<'_, str>`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]      |
[INFO] [stdout] 1339 ~             Cow::Borrowed(string) => visitor.visit_borrowed_str(string),
[INFO] [stdout] 1340 ~             Cow::Owned(_) => todo!(),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&Value::Object(_)` not covered
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/ser.rs:17:15
[INFO] [stdout]     |
[INFO] [stdout] 17  |         match self {
[INFO] [stdout]     |               ^^^^ pattern `&Value::Object(_)` not covered
[INFO] [stdout]     |
[INFO] [stdout] note: `Value` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/mod.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum Value {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     Object(Map<String, Value>),
[INFO] [stdout]     |     ------ not covered
[INFO] [stdout]     = note: the matched value is of type `&Value`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 22  ~             Value::Array(v) => v.serialize(serializer),
[INFO] [stdout] 23  ~             &Value::Object(_) => todo!(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_json` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "afd0706a81a66b03fc881e454f3b70779d8ab03699cd9f7e6bbf0649d3f2b713", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "afd0706a81a66b03fc881e454f3b70779d8ab03699cd9f7e6bbf0649d3f2b713", kill_on_drop: false }`
[INFO] [stdout] afd0706a81a66b03fc881e454f3b70779d8ab03699cd9f7e6bbf0649d3f2b713
[INFO] checking errno-codes-0.1.0 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate errno-codes 0.1.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate errno-codes 0.1.0 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate errno-codes 0.1.0
[INFO] finished tweaking crates.io crate errno-codes 0.1.0
[INFO] tweaked toml for crates.io crate errno-codes 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b44acc247224cc0e2ce27120c77b8d086d492da8962ea76b491cda1d41195a7b
[INFO] running `Command { std: "docker" "start" "-a" "b44acc247224cc0e2ce27120c77b8d086d492da8962ea76b491cda1d41195a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b44acc247224cc0e2ce27120c77b8d086d492da8962ea76b491cda1d41195a7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b44acc247224cc0e2ce27120c77b8d086d492da8962ea76b491cda1d41195a7b", kill_on_drop: false }`
[INFO] [stdout] b44acc247224cc0e2ce27120c77b8d086d492da8962ea76b491cda1d41195a7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90dfaf9e07679aec321a47203045991d6ff17cbcb030ada2ea09bb89a6d32d63
[INFO] running `Command { std: "docker" "start" "-a" "90dfaf9e07679aec321a47203045991d6ff17cbcb030ada2ea09bb89a6d32d63", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling itoa v1.0.10
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking pretty_assertions v0.5.1
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stdout] error: expected item, found `"serde_json requires that either `std` (default) or `alloc` feature is enabled"`
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/features_check/error.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | "serde_json requires that either `std` (default) or `alloc` feature is enabled"
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected item
[INFO] [stdout]   |
[INFO] [stdout]   = note: for a full list of items that can appear in modules, see <https://doc.rust-lang.org/reference/items.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `Value::String(_)` not covered
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/de.rs:216:15
[INFO] [stdout]     |
[INFO] [stdout] 216 |         match self {
[INFO] [stdout]     |               ^^^^ pattern `Value::String(_)` not covered
[INFO] [stdout]     |
[INFO] [stdout] note: `Value` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/mod.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum Value {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     String(String),
[INFO] [stdout]     |     ------ not covered
[INFO] [stdout]     = note: the matched value is of type `Value`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 223 ~             Value::Object(v) => visit_object(v, visitor),
[INFO] [stdout] 224 ~             Value::String(_) => todo!(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `Cow::Owned(_)` not covered
[INFO] [stdout]     --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/de.rs:1338:15
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         match self.value {
[INFO] [stdout]      |               ^^^^^^^^^^ pattern `Cow::Owned(_)` not covered
[INFO] [stdout]      |
[INFO] [stdout] note: `Cow<'_, str>` defined here
[INFO] [stdout]     --> /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/alloc/src/borrow.rs:180:1
[INFO] [stdout]     ::: /rustc/bfe97fcae016881ad333f0ff8cea2cadb9cf136c/library/alloc/src/borrow.rs:190:5
[INFO] [stdout]      |
[INFO] [stdout]      = note: not covered
[INFO] [stdout]      = note: the matched value is of type `Cow<'_, str>`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]      |
[INFO] [stdout] 1339 ~             Cow::Borrowed(string) => visitor.visit_borrowed_str(string),
[INFO] [stdout] 1340 ~             Cow::Owned(_) => todo!(),
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0004]: non-exhaustive patterns: `&Value::Object(_)` not covered
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/ser.rs:17:15
[INFO] [stdout]     |
[INFO] [stdout] 17  |         match self {
[INFO] [stdout]     |               ^^^^ pattern `&Value::Object(_)` not covered
[INFO] [stdout]     |
[INFO] [stdout] note: `Value` defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_json-1.0.114/src/value/mod.rs:116:10
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub enum Value {
[INFO] [stdout]     |          ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 175 |     Object(Map<String, Value>),
[INFO] [stdout]     |     ------ not covered
[INFO] [stdout]     = note: the matched value is of type `&Value`
[INFO] [stdout] help: ensure that all possible cases are being handled by adding a match arm with a wildcard pattern or an explicit pattern as shown
[INFO] [stdout]     |
[INFO] [stdout] 22  ~             Value::Array(v) => v.serialize(serializer),
[INFO] [stdout] 23  ~             &Value::Object(_) => todo!(),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0004`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `serde_json` (lib) due to 5 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "90dfaf9e07679aec321a47203045991d6ff17cbcb030ada2ea09bb89a6d32d63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90dfaf9e07679aec321a47203045991d6ff17cbcb030ada2ea09bb89a6d32d63", kill_on_drop: false }`
[INFO] [stdout] 90dfaf9e07679aec321a47203045991d6ff17cbcb030ada2ea09bb89a6d32d63
