[INFO] fetching crate ushcn 0.2.2...
[INFO] building ushcn-0.2.2 against try#334963c956d25708feab489a3816ae63f639355d for pr-135216
[INFO] extracting crate ushcn 0.2.2 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ushcn 0.2.2 on toolchain 334963c956d25708feab489a3816ae63f639355d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ushcn 0.2.2
[INFO] finished tweaking crates.io crate ushcn 0.2.2
[INFO] tweaked toml for crates.io crate ushcn 0.2.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate ushcn 0.2.2 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" "+334963c956d25708feab489a3816ae63f639355d" "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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e73267255aa1c73c90d73541383a4a564e4fccb1771af110ee3c49ed11ea4de2
[INFO] running `Command { std: "docker" "start" "-a" "e73267255aa1c73c90d73541383a4a564e4fccb1771af110ee3c49ed11ea4de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e73267255aa1c73c90d73541383a4a564e4fccb1771af110ee3c49ed11ea4de2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e73267255aa1c73c90d73541383a4a564e4fccb1771af110ee3c49ed11ea4de2", kill_on_drop: false }`
[INFO] [stdout] e73267255aa1c73c90d73541383a4a564e4fccb1771af110ee3c49ed11ea4de2
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd247766ff63804cad7d9c82f607b7c714105b5a51c9f23464feb0ba93dd51f7
[INFO] running `Command { std: "docker" "start" "-a" "dd247766ff63804cad7d9c82f607b7c714105b5a51c9f23464feb0ba93dd51f7", kill_on_drop: false }`
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[INFO] [stderr]    Compiling ushcn v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `month` is never read
[INFO] [stdout]   --> src/reading/monthly.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MonthlyReading {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub month: Option<u16>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonthlyReading` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "dd247766ff63804cad7d9c82f607b7c714105b5a51c9f23464feb0ba93dd51f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd247766ff63804cad7d9c82f607b7c714105b5a51c9f23464feb0ba93dd51f7", kill_on_drop: false }`
[INFO] [stdout] dd247766ff63804cad7d9c82f607b7c714105b5a51c9f23464feb0ba93dd51f7
[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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+334963c956d25708feab489a3816ae63f639355d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca4263f166dd2eebd67e080ca65bcf8a5ef7128844d1237e8ab1f28b48d64584
[INFO] running `Command { std: "docker" "start" "-a" "ca4263f166dd2eebd67e080ca65bcf8a5ef7128844d1237e8ab1f28b48d64584", kill_on_drop: false }`
[INFO] [stderr]    Compiling ushcn v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `month` is never read
[INFO] [stdout]   --> src/reading/monthly.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct MonthlyReading {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 15 |     pub month: Option<u16>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MonthlyReading` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `Command { std: "docker" "inspect" "ca4263f166dd2eebd67e080ca65bcf8a5ef7128844d1237e8ab1f28b48d64584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4263f166dd2eebd67e080ca65bcf8a5ef7128844d1237e8ab1f28b48d64584", kill_on_drop: false }`
[INFO] [stdout] ca4263f166dd2eebd67e080ca65bcf8a5ef7128844d1237e8ab1f28b48d64584
