[INFO] fetching crate serac 0.4.3...
[INFO] testing serac-0.4.3 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate serac 0.4.3 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate serac 0.4.3
[INFO] finished tweaking crates.io crate serac 0.4.3
[INFO] tweaked toml for crates.io crate serac 0.4.3 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate serac 0.4.3 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate serac 0.4.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v1.0.35
[INFO] [stderr]   Downloaded fill-array v0.2.1
[INFO] [stderr]   Downloaded bare-metal v0.2.5
[INFO] [stderr]   Downloaded embedded-command-macros v0.4.0
[INFO] [stderr]   Downloaded panic-halt v1.0.0
[INFO] [stderr]   Downloaded bitfield v0.13.2
[INFO] [stderr]   Downloaded defmt-parser v0.4.1
[INFO] [stderr]   Downloaded nb v1.1.0
[INFO] [stderr]   Downloaded volatile-register v0.2.2
[INFO] [stderr]   Downloaded vcell v0.1.3
[INFO] [stderr]   Downloaded defmt-macros v0.4.0
[INFO] [stderr]   Downloaded cortex-m-rt-macros v0.7.0
[INFO] [stderr]   Downloaded embedded-hal v0.2.7
[INFO] [stderr]   Downloaded nb v0.1.3
[INFO] [stderr]   Downloaded defmt v0.3.10
[INFO] [stderr]   Downloaded thiserror v2.0.11
[INFO] [stderr]   Downloaded cortex-m-rt v0.7.3
[INFO] [stderr]   Downloaded thiserror-impl v2.0.11
[INFO] [stderr]   Downloaded memchr v2.7.1
[INFO] [stderr]   Downloaded cortex-m v0.7.7
[INFO] [stderr]   Downloaded syn v2.0.96
[INFO] [stderr]   Downloaded aho-corasick v1.1.2
[INFO] [stderr]   Downloaded regex v1.10.3
[INFO] [stderr]   Downloaded regex-syntax v0.8.2
[INFO] [stderr]   Downloaded regex-automata v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b44cc1517d44c45e6e7bc22bf81e0c2a90f12f9d1aa8925b65c63990c33a68d
[INFO] running `Command { std: "docker" "start" "-a" "5b44cc1517d44c45e6e7bc22bf81e0c2a90f12f9d1aa8925b65c63990c33a68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b44cc1517d44c45e6e7bc22bf81e0c2a90f12f9d1aa8925b65c63990c33a68d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b44cc1517d44c45e6e7bc22bf81e0c2a90f12f9d1aa8925b65c63990c33a68d", kill_on_drop: false }`
[INFO] [stdout] 5b44cc1517d44c45e6e7bc22bf81e0c2a90f12f9d1aa8925b65c63990c33a68d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0ee665540f17d3bb228de5da7af46a3cb1c0f89b962845fb4641086d3a66c11
[INFO] running `Command { std: "docker" "start" "-a" "c0ee665540f17d3bb228de5da7af46a3cb1c0f89b962845fb4641086d3a66c11", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling regex-syntax v0.8.2
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling aho-corasick v1.1.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.96
[INFO] [stderr]    Compiling regex-automata v0.4.5
[INFO] [stderr]    Compiling fill-array v0.2.1
[INFO] [stderr]    Compiling regex v1.10.3
[INFO] [stderr]    Compiling Inflector v0.11.4
[INFO] [stderr]    Compiling embedded-command-macros v0.4.0
[INFO] [stderr]    Compiling serac v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.98s
[INFO] running `Command { std: "docker" "inspect" "c0ee665540f17d3bb228de5da7af46a3cb1c0f89b962845fb4641086d3a66c11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0ee665540f17d3bb228de5da7af46a3cb1c0f89b962845fb4641086d3a66c11", kill_on_drop: false }`
[INFO] [stdout] c0ee665540f17d3bb228de5da7af46a3cb1c0f89b962845fb4641086d3a66c11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 087a273f6f896a5678a1b7487886e61001e6260ccf59d65ac5c69223aba91cd7
[INFO] running `Command { std: "docker" "start" "-a" "087a273f6f896a5678a1b7487886e61001e6260ccf59d65ac5c69223aba91cd7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serac v0.4.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "087a273f6f896a5678a1b7487886e61001e6260ccf59d65ac5c69223aba91cd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "087a273f6f896a5678a1b7487886e61001e6260ccf59d65ac5c69223aba91cd7", kill_on_drop: false }`
[INFO] [stdout] 087a273f6f896a5678a1b7487886e61001e6260ccf59d65ac5c69223aba91cd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] cb5f4a84190001aefce5e8b2ae333c15c8931bdf8f450da3193e6a1a88a15f13
[INFO] running `Command { std: "docker" "start" "-a" "cb5f4a84190001aefce5e8b2ae333c15c8931bdf8f450da3193e6a1a88a15f13", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serac-50e2f54f441eb3db)
[INFO] [stdout] running 6 tests
[INFO] [stdout] test encoding::vanilla::tests::derive::enums::buf ... ok
[INFO] [stdout] test encoding::vanilla::tests::derive::generics ... ok
[INFO] [stdout] test encoding::vanilla::tests::derive::structs::iter ... ok
[INFO] [stdout] test encoding::vanilla::tests::derive::structs::buf ... ok
[INFO] [stdout] test encoding::vanilla::tests::primitives::iter ... ok
[INFO] [stderr]    Doc-tests serac
[INFO] [stdout] test encoding::vanilla::tests::derive::enums::iter ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "cb5f4a84190001aefce5e8b2ae333c15c8931bdf8f450da3193e6a1a88a15f13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5f4a84190001aefce5e8b2ae333c15c8931bdf8f450da3193e6a1a88a15f13", kill_on_drop: false }`
[INFO] [stdout] cb5f4a84190001aefce5e8b2ae333c15c8931bdf8f450da3193e6a1a88a15f13
