[INFO] fetching crate scp_username_module 0.1.0...
[INFO] testing scp_username_module-0.1.0 against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] extracting crate scp_username_module 0.1.0 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate scp_username_module 0.1.0
[INFO] finished tweaking crates.io crate scp_username_module 0.1.0
[INFO] tweaked toml for crates.io crate scp_username_module 0.1.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scp_username_module 0.1.0 on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 33 packages to latest compatible versions
[INFO] [stderr]       Adding askama v0.8.0 (available: v0.15.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdd4a764c73f5d07c730e165dc22bd7ff5359cc2b8cde4aef8f755dda077f796
[INFO] running `Command { std: "docker" "start" "-a" "fdd4a764c73f5d07c730e165dc22bd7ff5359cc2b8cde4aef8f755dda077f796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdd4a764c73f5d07c730e165dc22bd7ff5359cc2b8cde4aef8f755dda077f796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd4a764c73f5d07c730e165dc22bd7ff5359cc2b8cde4aef8f755dda077f796", kill_on_drop: false }`
[INFO] [stdout] fdd4a764c73f5d07c730e165dc22bd7ff5359cc2b8cde4aef8f755dda077f796
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3374d4798d991e4b9feff1aa9d074b9ef22b280f96f34913ff6bbe9de9ae20ab
[INFO] running `Command { std: "docker" "start" "-a" "3374d4798d991e4b9feff1aa9d074b9ef22b280f96f34913ff6bbe9de9ae20ab", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.115
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling rustversion v1.0.22
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling bumpalo v3.20.2
[INFO] [stderr]    Compiling once_cell v1.21.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling wasm-bindgen v0.2.115
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.115
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.115
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling toml v0.4.10
[INFO] [stderr]    Compiling askama_shared v0.8.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]    Compiling askama v0.8.0
[INFO] [stderr]    Compiling scp_username_module v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: derive helper attribute is used before it is introduced
[INFO] [stdout]   --> src/lib.rs:56:3
[INFO] [stdout]    |
[INFO] [stdout] 56 | #[serde(rename_all = "kebab-case")]
[INFO] [stdout]    |   ^^^^^
[INFO] [stdout] 57 | #[derive(Deserialize, Serialize)]
[INFO] [stdout]    |          ----------- the attribute is introduced here
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79202 <https://github.com/rust-lang/rust/issues/79202>
[INFO] [stdout]    = note: `#[deny(legacy_derive_helpers)]` (part of `#[deny(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scp_username_module` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "3374d4798d991e4b9feff1aa9d074b9ef22b280f96f34913ff6bbe9de9ae20ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3374d4798d991e4b9feff1aa9d074b9ef22b280f96f34913ff6bbe9de9ae20ab", kill_on_drop: false }`
[INFO] [stdout] 3374d4798d991e4b9feff1aa9d074b9ef22b280f96f34913ff6bbe9de9ae20ab
