[INFO] fetching crate serde-lwjson 0.2.1...
[INFO] testing serde-lwjson-0.2.1 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate serde-lwjson 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate serde-lwjson 0.2.1
[INFO] finished tweaking crates.io crate serde-lwjson 0.2.1
[INFO] tweaked toml for crates.io crate serde-lwjson 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-lwjson 0.2.1 on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to latest compatible versions
[INFO] [stderr]       Adding prettyplease v0.1.25 (available: v0.2.35)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.104)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded schemafy_core v0.6.0
[INFO] [stderr]   Downloaded schemafy_lib v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de857f39225a5fcb48a621594271a588ab4f7eed85207750cb6c68d4641b6545
[INFO] running `Command { std: "docker" "start" "-a" "de857f39225a5fcb48a621594271a588ab4f7eed85207750cb6c68d4641b6545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de857f39225a5fcb48a621594271a588ab4f7eed85207750cb6c68d4641b6545", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de857f39225a5fcb48a621594271a588ab4f7eed85207750cb6c68d4641b6545", kill_on_drop: false }`
[INFO] [stdout] de857f39225a5fcb48a621594271a588ab4f7eed85207750cb6c68d4641b6545
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] d8477c9b22ed8a75fa678939675a743270b239d18b0f7e303521a9ecb4021c9e
[INFO] running `Command { std: "docker" "start" "-a" "d8477c9b22ed8a75fa678939675a743270b239d18b0f7e303521a9ecb4021c9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling prettyplease v0.1.25
[INFO] [stderr]    Compiling uriparse v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling schemafy_core v0.6.0
[INFO] [stderr]    Compiling schemafy_lib v0.6.0
[INFO] [stderr]    Compiling serde-lwjson v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |         for repositories in &self.repositories {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         if let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for artifacts in &self.artifacts {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         if let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.16s
[INFO] running `Command { std: "docker" "inspect" "d8477c9b22ed8a75fa678939675a743270b239d18b0f7e303521a9ecb4021c9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8477c9b22ed8a75fa678939675a743270b239d18b0f7e303521a9ecb4021c9e", kill_on_drop: false }`
[INFO] [stdout] d8477c9b22ed8a75fa678939675a743270b239d18b0f7e303521a9ecb4021c9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] fd3fc198bb54e80f8fb7165bfea4c7b3ae7e719c78e9d1e9afaac0f8a883dcc8
[INFO] running `Command { std: "docker" "start" "-a" "fd3fc198bb54e80f8fb7165bfea4c7b3ae7e719c78e9d1e9afaac0f8a883dcc8", kill_on_drop: false }`
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |         for repositories in &self.repositories {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         if let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for artifacts in &self.artifacts {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         if let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde-lwjson v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:13:29
[INFO] [stdout]    |
[INFO] [stdout] 13 |         for repositories in &self.repositories {
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 13 -         for repositories in &self.repositories {
[INFO] [stdout] 13 +         if let Some(repositories) = &self.repositories {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/lwjson.rs:23:26
[INFO] [stdout]    |
[INFO] [stdout] 23 |         for artifacts in &self.artifacts {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 23 -         for artifacts in &self.artifacts {
[INFO] [stdout] 23 +         if let Some(artifacts) = &self.artifacts {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 4.77s
[INFO] running `Command { std: "docker" "inspect" "fd3fc198bb54e80f8fb7165bfea4c7b3ae7e719c78e9d1e9afaac0f8a883dcc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd3fc198bb54e80f8fb7165bfea4c7b3ae7e719c78e9d1e9afaac0f8a883dcc8", kill_on_drop: false }`
[INFO] [stdout] fd3fc198bb54e80f8fb7165bfea4c7b3ae7e719c78e9d1e9afaac0f8a883dcc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 9465d4275355f598739dc05ced6b927f86db3ef41672c63e919b7e44eebb2bcb
[INFO] running `Command { std: "docker" "start" "-a" "9465d4275355f598739dc05ced6b927f86db3ef41672c63e919b7e44eebb2bcb", kill_on_drop: false }`
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/lwjson.rs:13:29
[INFO] [stderr]    |
[INFO] [stderr] 13 |         for repositories in &self.repositories {
[INFO] [stderr]    |                             ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]    |
[INFO] [stderr] 13 -         for repositories in &self.repositories {
[INFO] [stderr] 13 +         while let Some(repositories) = &self.repositories {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 13 -         for repositories in &self.repositories {
[INFO] [stderr] 13 +         if let Some(repositories) = &self.repositories {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: for loop over a `&Option`. This is more readably written as an `if let` statement
[INFO] [stderr]   --> src/lwjson.rs:23:26
[INFO] [stderr]    |
[INFO] [stderr] 23 |         for artifacts in &self.artifacts {
[INFO] [stderr]    |                          ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] help: to check pattern in a loop use `while let`
[INFO] [stderr]    |
[INFO] [stderr] 23 -         for artifacts in &self.artifacts {
[INFO] [stderr] 23 +         while let Some(artifacts) = &self.artifacts {
[INFO] [stderr]    |
[INFO] [stderr] help: consider using `if let` to clear intent
[INFO] [stderr]    |
[INFO] [stderr] 23 -         for artifacts in &self.artifacts {
[INFO] [stderr] 23 +         if let Some(artifacts) = &self.artifacts {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-lwjson` (lib) generated 2 warnings
[INFO] [stderr] warning: `serde-lwjson` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/serde_lwjson-1f1a51920c3eedba)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/lwjson.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/lwjson-7e40a7acf1997a5f)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test test_deserialize_full ... ok
[INFO] [stdout] test test_serialize_simple ... ok
[INFO] [stdout] test test_deserialize_simple ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9465d4275355f598739dc05ced6b927f86db3ef41672c63e919b7e44eebb2bcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9465d4275355f598739dc05ced6b927f86db3ef41672c63e919b7e44eebb2bcb", kill_on_drop: false }`
[INFO] [stdout] 9465d4275355f598739dc05ced6b927f86db3ef41672c63e919b7e44eebb2bcb