[INFO] fetching crate unicase_serde 0.1.0...
[INFO] building unicase_serde-0.1.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate unicase_serde 0.1.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate unicase_serde 0.1.0
[INFO] finished tweaking crates.io crate unicase_serde 0.1.0
[INFO] tweaked toml for crates.io crate unicase_serde 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate unicase_serde 0.1.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 9 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a93e690008d22898cd70f2bb0a7f7c1bd45348e120bf04c672fb965ac6e2d316
[INFO] running `Command { std: "docker" "start" "-a" "a93e690008d22898cd70f2bb0a7f7c1bd45348e120bf04c672fb965ac6e2d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a93e690008d22898cd70f2bb0a7f7c1bd45348e120bf04c672fb965ac6e2d316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a93e690008d22898cd70f2bb0a7f7c1bd45348e120bf04c672fb965ac6e2d316", kill_on_drop: false }`
[INFO] [stdout] a93e690008d22898cd70f2bb0a7f7c1bd45348e120bf04c672fb965ac6e2d316
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 023b9dbbafdb949f95c664051a11d8245d24f56db484eda0e85d9c999199ec52
[INFO] running `Command { std: "docker" "start" "-a" "023b9dbbafdb949f95c664051a11d8245d24f56db484eda0e85d9c999199ec52", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling unicase v2.8.1
[INFO] [stderr]    Compiling unicase_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.10s
[INFO] running `Command { std: "docker" "inspect" "023b9dbbafdb949f95c664051a11d8245d24f56db484eda0e85d9c999199ec52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "023b9dbbafdb949f95c664051a11d8245d24f56db484eda0e85d9c999199ec52", kill_on_drop: false }`
[INFO] [stdout] 023b9dbbafdb949f95c664051a11d8245d24f56db484eda0e85d9c999199ec52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f3dcf8ef2a53cc345f8eb285b308a2411f03ac0c308ce797c6d59d7b47964cf
[INFO] running `Command { std: "docker" "start" "-a" "5f3dcf8ef2a53cc345f8eb285b308a2411f03ac0c308ce797c6d59d7b47964cf", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_test v1.0.177
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling unicase_serde v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `CustomStr` is never constructed
[INFO] [stdout]    --> src/lib.rs:445:12
[INFO] [stdout]     |
[INFO] [stdout] 445 |     struct CustomStr<'a>(Cow<'a, str>);
[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 `CustomString` is never constructed
[INFO] [stdout]    --> src/lib.rs:466:12
[INFO] [stdout]     |
[INFO] [stdout] 466 |     struct CustomString<'a>(Cow<'a, String>);
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TestCustomStruct` is never constructed
[INFO] [stdout]    --> src/lib.rs:487:12
[INFO] [stdout]     |
[INFO] [stdout] 487 |     struct TestCustomStruct<'a> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.48s
[INFO] running `Command { std: "docker" "inspect" "5f3dcf8ef2a53cc345f8eb285b308a2411f03ac0c308ce797c6d59d7b47964cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f3dcf8ef2a53cc345f8eb285b308a2411f03ac0c308ce797c6d59d7b47964cf", kill_on_drop: false }`
[INFO] [stdout] 5f3dcf8ef2a53cc345f8eb285b308a2411f03ac0c308ce797c6d59d7b47964cf