[INFO] fetching crate scp_username_module 0.1.0...
[INFO] checking scp_username_module-0.1.0 against try#c659ee110de67e82444e4b6c8407c1a9af9c2cf6 for pr-145608-1
[INFO] extracting crate scp_username_module 0.1.0 into /workspace/builds/worker-5-tc2/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-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scp_username_module 0.1.0 on toolchain c659ee110de67e82444e4b6c8407c1a9af9c2cf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "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" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 34 packages to latest compatible versions
[INFO] [stderr]       Adding askama v0.8.0 (available: v0.14.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 20e759cef4fd4c0c47ad7b4b00da06a6545465320b91245d2abdcbedb8ede7b1
[INFO] running `Command { std: "docker" "start" "-a" "20e759cef4fd4c0c47ad7b4b00da06a6545465320b91245d2abdcbedb8ede7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "20e759cef4fd4c0c47ad7b4b00da06a6545465320b91245d2abdcbedb8ede7b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20e759cef4fd4c0c47ad7b4b00da06a6545465320b91245d2abdcbedb8ede7b1", kill_on_drop: false }`
[INFO] [stdout] 20e759cef4fd4c0c47ad7b4b00da06a6545465320b91245d2abdcbedb8ede7b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+c659ee110de67e82444e4b6c8407c1a9af9c2cf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f969f67de40963d0af3e12f0ae9bd48616e331fc634ee0751c1ee82eddc0e8c
[INFO] running `Command { std: "docker" "start" "-a" "2f969f67de40963d0af3e12f0ae9bd48616e331fc634ee0751c1ee82eddc0e8c", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling humansize v1.1.1
[INFO] [stderr]    Compiling memchr v2.7.5
[INFO] [stderr]    Compiling askama_escape v0.2.0
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking serde_json v1.0.143
[INFO] [stderr]     Checking askama_shared v0.8.0
[INFO] [stderr]    Compiling askama_derive v0.8.0
[INFO] [stderr]     Checking askama v0.8.0
[INFO] [stderr]     Checking 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scp_username_module` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scp_username_module` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "2f969f67de40963d0af3e12f0ae9bd48616e331fc634ee0751c1ee82eddc0e8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f969f67de40963d0af3e12f0ae9bd48616e331fc634ee0751c1ee82eddc0e8c", kill_on_drop: false }`
[INFO] [stdout] 2f969f67de40963d0af3e12f0ae9bd48616e331fc634ee0751c1ee82eddc0e8c