[INFO] fetching crate fields-iter 0.0.3...
[INFO] testing fields-iter-0.0.3 against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_getrandom_patch_0
[INFO] extracting crate fields-iter 0.0.3 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate fields-iter 0.0.3
[INFO] finished tweaking crates.io crate fields-iter 0.0.3
[INFO] tweaked toml for crates.io crate fields-iter 0.0.3 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fields-iter 0.0.3 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 37 packages to latest compatible versions
[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 fields-iter-macros v0.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 90c6284e0720fed771de82fab5eb68cd1222ab69d56ace12037187585b30d542
[INFO] running `Command { std: "docker" "start" "-a" "90c6284e0720fed771de82fab5eb68cd1222ab69d56ace12037187585b30d542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90c6284e0720fed771de82fab5eb68cd1222ab69d56ace12037187585b30d542", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90c6284e0720fed771de82fab5eb68cd1222ab69d56ace12037187585b30d542", kill_on_drop: false }`
[INFO] [stdout] 90c6284e0720fed771de82fab5eb68cd1222ab69d56ace12037187585b30d542
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a8133d8ccb6843f873eb78c753b3bf05a5c5a67f71a98e3d275138418bbcdddf
[INFO] running `Command { std: "docker" "start" "-a" "a8133d8ccb6843f873eb78c753b3bf05a5c5a67f71a98e3d275138418bbcdddf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling fields-iter-macros v0.0.1
[INFO] [stderr]    Compiling fields-iter v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.68s
[INFO] running `Command { std: "docker" "inspect" "a8133d8ccb6843f873eb78c753b3bf05a5c5a67f71a98e3d275138418bbcdddf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8133d8ccb6843f873eb78c753b3bf05a5c5a67f71a98e3d275138418bbcdddf", kill_on_drop: false }`
[INFO] [stdout] a8133d8ccb6843f873eb78c753b3bf05a5c5a67f71a98e3d275138418bbcdddf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 9c7fc3c3a228250022c203746ed46ab95ba7cb49341d1ba4744854d30f0accfc
[INFO] running `Command { std: "docker" "start" "-a" "9c7fc3c3a228250022c203746ed46ab95ba7cb49341d1ba4744854d30f0accfc", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.4
[INFO] [stderr]    Compiling winnow v0.7.11
[INFO] [stderr]    Compiling toml_write v0.1.2
[INFO] [stderr]    Compiling target-triple v0.1.4
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling itoa v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.20
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling glob v0.3.2
[INFO] [stderr]    Compiling termcolor v1.4.1
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling indexmap v2.10.0
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling serde_spanned v0.6.9
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]    Compiling toml_edit v0.22.27
[INFO] [stderr]    Compiling toml v0.8.23
[INFO] [stderr]    Compiling trybuild v1.0.105
[INFO] [stderr]    Compiling fields-iter v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 15.81s
[INFO] running `Command { std: "docker" "inspect" "9c7fc3c3a228250022c203746ed46ab95ba7cb49341d1ba4744854d30f0accfc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c7fc3c3a228250022c203746ed46ab95ba7cb49341d1ba4744854d30f0accfc", kill_on_drop: false }`
[INFO] [stdout] 9c7fc3c3a228250022c203746ed46ab95ba7cb49341d1ba4744854d30f0accfc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 302d56313a65b3d320a8a23bad55b281581f6b4bd30b8c6b9f7858d4a6a9d767
[INFO] running `Command { std: "docker" "start" "-a" "302d56313a65b3d320a8a23bad55b281581f6b4bd30b8c6b9f7858d4a6a9d767", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fields_iter-ae21ae69188221d1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/fields_iter.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/fields_iter-dabb74a20e192ced)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test fields_iter_double_ended ... ok
[INFO] [stdout] test fields_iter_mut_does_not_trigger_miri ... ok
[INFO] [stdout] test fields_iter_gives_all_fields_in_declaration_order_and_no_more ... ok
[INFO] [stdout] test fields_iter_mut_double_ended ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/ui.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/ui-115e466aac0f33e6)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rustversion v1.0.21
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling fields-iter-macros v0.0.1
[INFO] [stderr]     Checking fields-iter v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking fields-iter-tests v0.0.0 (/opt/rustwide/target/tests/trybuild/fields-iter)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.28s
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] test tests/ui/enum_union.rs ... ok
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stdout] test ui ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 5.63s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "302d56313a65b3d320a8a23bad55b281581f6b4bd30b8c6b9f7858d4a6a9d767", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302d56313a65b3d320a8a23bad55b281581f6b4bd30b8c6b9f7858d4a6a9d767", kill_on_drop: false }`
[INFO] [stdout] 302d56313a65b3d320a8a23bad55b281581f6b4bd30b8c6b9f7858d4a6a9d767