[INFO] fetching crate tank-core 0.30.0...
[INFO] testing tank-core-0.30.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate tank-core 0.30.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate tank-core 0.30.0
[INFO] finished tweaking crates.io crate tank-core 0.30.0
[INFO] tweaked toml for crates.io crate tank-core 0.30.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate tank-core 0.30.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate tank-core 0.30.0 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 945b3bffecd88d7dd12441124127a44616d1b63fac0a06216b60f405faf825e1
[INFO] running `Command { std: "docker" "start" "-a" "945b3bffecd88d7dd12441124127a44616d1b63fac0a06216b60f405faf825e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "945b3bffecd88d7dd12441124127a44616d1b63fac0a06216b60f405faf825e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "945b3bffecd88d7dd12441124127a44616d1b63fac0a06216b60f405faf825e1", kill_on_drop: false }`
[INFO] [stdout] 945b3bffecd88d7dd12441124127a44616d1b63fac0a06216b60f405faf825e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ab7cc2966270af77260db792d45a5379e604f9b3d338ac07abab7f8bd98bfdd3
[INFO] running `Command { std: "docker" "start" "-a" "ab7cc2966270af77260db792d45a5379e604f9b3d338ac07abab7f8bd98bfdd3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling writeable v0.6.2
[INFO] [stderr]    Compiling litemap v0.8.1
[INFO] [stderr]    Compiling icu_properties_data v2.1.2
[INFO] [stderr]    Compiling icu_normalizer_data v2.1.1
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling futures-sink v0.3.32
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling futures-channel v0.3.32
[INFO] [stderr]    Compiling slab v0.4.12
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rust_decimal v1.40.0
[INFO] [stderr]    Compiling percent-encoding v2.3.2
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling num-conv v0.2.0
[INFO] [stderr]    Compiling time-macros v0.2.27
[INFO] [stderr]    Compiling form_urlencoded v1.2.2
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling convert_case v0.11.0
[INFO] [stderr]    Compiling tokio v1.50.0
[INFO] [stderr]    Compiling uuid v1.22.0
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling indoc v2.0.7
[INFO] [stderr]    Compiling time v0.3.47
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling zerofrom-derive v0.1.6
[INFO] [stderr]    Compiling yoke-derive v0.8.1
[INFO] [stderr]    Compiling zerovec-derive v0.11.2
[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.32
[INFO] [stderr]    Compiling async-stream-impl v0.3.6
[INFO] [stderr]    Compiling async-stream v0.3.6
[INFO] [stderr]    Compiling futures-util v0.3.32
[INFO] [stderr]    Compiling zerofrom v0.1.6
[INFO] [stderr]    Compiling yoke v0.8.1
[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling zerovec v0.11.5
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling icu_collections v2.1.1
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling icu_normalizer v2.1.1
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling futures-executor v0.3.32
[INFO] [stderr]    Compiling futures v0.3.32
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling url v2.5.8
[INFO] [stderr]    Compiling tank-core v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.53s
[INFO] running `Command { std: "docker" "inspect" "ab7cc2966270af77260db792d45a5379e604f9b3d338ac07abab7f8bd98bfdd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab7cc2966270af77260db792d45a5379e604f9b3d338ac07abab7f8bd98bfdd3", kill_on_drop: false }`
[INFO] [stdout] ab7cc2966270af77260db792d45a5379e604f9b3d338ac07abab7f8bd98bfdd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cf59f1fcf1101dc8f2c36d4546c76a031883a8580454eae57b8b8a0db786f99
[INFO] running `Command { std: "docker" "start" "-a" "9cf59f1fcf1101dc8f2c36d4546c76a031883a8580454eae57b8b8a0db786f99", kill_on_drop: false }`
[INFO] [stderr]    Compiling tank-core v0.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.19s
[INFO] running `Command { std: "docker" "inspect" "9cf59f1fcf1101dc8f2c36d4546c76a031883a8580454eae57b8b8a0db786f99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf59f1fcf1101dc8f2c36d4546c76a031883a8580454eae57b8b8a0db786f99", kill_on_drop: false }`
[INFO] [stdout] 9cf59f1fcf1101dc8f2c36d4546c76a031883a8580454eae57b8b8a0db786f99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d69ace06287686812776a79cf29eed400b35328199530f5dcac85aaf2094e6c2
[INFO] running `Command { std: "docker" "start" "-a" "d69ace06287686812776a79cf29eed400b35328199530f5dcac85aaf2094e6c2", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tank_core-7240b14c096f43ac)
[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]    Doc-tests tank_core
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test src/util.rs - util::impl_executor_transaction (line 427) ... ignored
[INFO] [stdout] test src/util.rs - util::send_value (line 357) ... ignored
[INFO] [stdout] test src/util.rs - util::truncate_long (line 315) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 3 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.28s; merged doctests compilation took 0.28s
[INFO] running `Command { std: "docker" "inspect" "d69ace06287686812776a79cf29eed400b35328199530f5dcac85aaf2094e6c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d69ace06287686812776a79cf29eed400b35328199530f5dcac85aaf2094e6c2", kill_on_drop: false }`
[INFO] [stdout] d69ace06287686812776a79cf29eed400b35328199530f5dcac85aaf2094e6c2