[INFO] fetching crate serde-indexed 0.2.0...
[INFO] testing serde-indexed-0.2.0 against try#2440211fe03bc45c89b6dc1a3df18382ce91e32b for pr-146098-1
[INFO] extracting crate serde-indexed 0.2.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate serde-indexed 0.2.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate serde-indexed 0.2.0
[INFO] tweaked toml for crates.io crate serde-indexed 0.2.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate serde-indexed 0.2.0 on toolchain 2440211fe03bc45c89b6dc1a3df18382ce91e32b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "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" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] [stderr]       Adding heapless v0.7.17 (available: v0.9.1)
[INFO] [stderr]       Adding hex-literal v0.4.1 (available: v1.0.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6b8e130635bb8c7bda58bc75e01e19212a406bd80b18ba09a6666a15084723a
[INFO] running `Command { std: "docker" "start" "-a" "f6b8e130635bb8c7bda58bc75e01e19212a406bd80b18ba09a6666a15084723a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6b8e130635bb8c7bda58bc75e01e19212a406bd80b18ba09a6666a15084723a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6b8e130635bb8c7bda58bc75e01e19212a406bd80b18ba09a6666a15084723a", kill_on_drop: false }`
[INFO] [stdout] f6b8e130635bb8c7bda58bc75e01e19212a406bd80b18ba09a6666a15084723a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2958babd91bbfa405fdf2f40d43a7c9597e2df068faabad94043d3aba62fd4e1
[INFO] running `Command { std: "docker" "start" "-a" "2958babd91bbfa405fdf2f40d43a7c9597e2df068faabad94043d3aba62fd4e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde-indexed v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "2958babd91bbfa405fdf2f40d43a7c9597e2df068faabad94043d3aba62fd4e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2958babd91bbfa405fdf2f40d43a7c9597e2df068faabad94043d3aba62fd4e1", kill_on_drop: false }`
[INFO] [stdout] 2958babd91bbfa405fdf2f40d43a7c9597e2df068faabad94043d3aba62fd4e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d8b5c7a85741e47a2f7c1a4f51bda874ad6fc7305d3a1098fe81b157f7aee26
[INFO] running `Command { std: "docker" "start" "-a" "0d8b5c7a85741e47a2f7c1a4f51bda874ad6fc7305d3a1098fe81b157f7aee26", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling half v1.8.3
[INFO] [stderr]    Compiling hex-literal v0.4.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling spin v0.9.8
[INFO] [stderr]    Compiling hash32 v0.2.1
[INFO] [stderr]    Compiling serde_cbor v0.11.2
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde-indexed v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `NakedOption` is never constructed
[INFO] [stdout]   --> tests/basics.rs:74:16
[INFO] [stdout]    |
[INFO] [stdout] 74 |     pub struct NakedOption {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `NakedRefOption` is never constructed
[INFO] [stdout]   --> tests/basics.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |     pub struct NakedRefOption<'a, 'b, 'c> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EmptyStruct` is never constructed
[INFO] [stdout]   --> tests/basics.rs:92:16
[INFO] [stdout]    |
[INFO] [stdout] 92 |     pub struct EmptyStruct {}
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 6.99s
[INFO] running `Command { std: "docker" "inspect" "0d8b5c7a85741e47a2f7c1a4f51bda874ad6fc7305d3a1098fe81b157f7aee26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d8b5c7a85741e47a2f7c1a4f51bda874ad6fc7305d3a1098fe81b157f7aee26", kill_on_drop: false }`
[INFO] [stdout] 0d8b5c7a85741e47a2f7c1a4f51bda874ad6fc7305d3a1098fe81b157f7aee26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+2440211fe03bc45c89b6dc1a3df18382ce91e32b" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3488d2164a00b2d73226ea42ecc343b3c53a1e4fd0a0532bab1f6f6388d90eba
[INFO] running `Command { std: "docker" "start" "-a" "3488d2164a00b2d73226ea42ecc343b3c53a1e4fd0a0532bab1f6f6388d90eba", kill_on_drop: false }`
[INFO] [stderr] warning: struct `NakedOption` is never constructed
[INFO] [stderr]   --> tests/basics.rs:74:16
[INFO] [stderr]    |
[INFO] [stderr] 74 |     pub struct NakedOption {
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `NakedRefOption` is never constructed
[INFO] [stderr]   --> tests/basics.rs:83:16
[INFO] [stderr]    |
[INFO] [stderr] 83 |     pub struct NakedRefOption<'a, 'b, 'c> {
[INFO] [stderr]    |                ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EmptyStruct` is never constructed
[INFO] [stderr]   --> tests/basics.rs:92:16
[INFO] [stderr]    |
[INFO] [stderr] 92 |     pub struct EmptyStruct {}
[INFO] [stderr]    |                ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `serde-indexed` (test "basics") generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/serde_indexed-9d02375613899ca2)
[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/basics.rs (/opt/rustwide/target/debug/deps/basics-501c886cbacf61de)
[INFO] [stdout] 
[INFO] [stdout] running 20 tests
[INFO] [stdout] test cow::serialize ... ok
[INFO] [stdout] test cow::deserialize ... ok
[INFO] [stdout] test cow::tokens ... ok
[INFO] [stdout] test generics::deserialize_with ... ok
[INFO] [stdout] test generics::serialize_with ... ok
[INFO] [stdout] test generics::with ... ok
[INFO] [stdout] test generics::tokens ... ok
[INFO] [stdout] test generics::all_generics ... ok
[INFO] [stdout] test index::tokens ... ok
[INFO] [stdout] test generics::with_lifetime ... ok
[INFO] [stdout] test some_keys::another_ref_deserialize ... ok
[INFO] [stdout] test some_keys::another_deserialize ... ok
[INFO] [stdout] test some_keys::another_ref_serialize ... ok
[INFO] [stdout] test some_keys::another_serialize ... ok
[INFO] [stdout] test some_keys::deserialize ... ok
[INFO] [stdout] test some_keys::deserialize_ref ... ok
[INFO] [stdout] test some_keys::serialize ... ok
[INFO] [stdout] test some_keys::serialize_ref ... ok
[INFO] [stdout] test some_keys::test_unknown_fields ... ok
[INFO] [stdout] test some_keys::tokens ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 20 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests serde_indexed
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test src/lib.rs - (line 119) ... ok
[INFO] [stdout] test src/lib.rs - (line 103) ... ok
[INFO] [stdout] test src/lib.rs - (line 29) ... ok
[INFO] [stdout] test src/lib.rs - (line 47) ... ok
[INFO] [stdout] test src/lib.rs - (line 86) ... ok
[INFO] [stdout] test src/lib.rs - (line 67) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3488d2164a00b2d73226ea42ecc343b3c53a1e4fd0a0532bab1f6f6388d90eba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3488d2164a00b2d73226ea42ecc343b3c53a1e4fd0a0532bab1f6f6388d90eba", kill_on_drop: false }`
[INFO] [stdout] 3488d2164a00b2d73226ea42ecc343b3c53a1e4fd0a0532bab1f6f6388d90eba