[INFO] fetching crate ctflag 0.1.2... [INFO] checking ctflag-0.1.2 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate ctflag 0.1.2 into /workspace/builds/worker-3-tc2/source [INFO] started tweaking crates.io crate ctflag 0.1.2 [INFO] finished tweaking crates.io crate ctflag 0.1.2 [INFO] tweaked toml for crates.io crate ctflag 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate ctflag 0.1.2 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 6 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20459f40cc380d4565dc495c3d77c2e918cffcb0f32f7e1f28ea44baa3a2881e [INFO] running `Command { std: "docker" "start" "-a" "20459f40cc380d4565dc495c3d77c2e918cffcb0f32f7e1f28ea44baa3a2881e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20459f40cc380d4565dc495c3d77c2e918cffcb0f32f7e1f28ea44baa3a2881e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20459f40cc380d4565dc495c3d77c2e918cffcb0f32f7e1f28ea44baa3a2881e", kill_on_drop: false }` [INFO] [stdout] 20459f40cc380d4565dc495c3d77c2e918cffcb0f32f7e1f28ea44baa3a2881e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8a28a0b613d00a2e031bca28af262f3739c2eb62e69103ac770180cbb8c915cc [INFO] running `Command { std: "docker" "start" "-a" "8a28a0b613d00a2e031bca28af262f3739c2eb62e69103ac770180cbb8c915cc", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-segmentation v1.12.0 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling ctflag_derive v0.1.2 [INFO] [stderr] Checking ctflag v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: fields `is_active`, `opt_address`, `address`, `number`, `size`, and `thing` are never read [INFO] [stdout] --> examples/simple.rs:21:5 [INFO] [stdout] | [INFO] [stdout] 19 | struct MyFlags { [INFO] [stdout] | ------- fields in this struct [INFO] [stdout] 20 | #[flag(desc = "Whether this is active", default = true)] [INFO] [stdout] 21 | is_active: bool, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 24 | opt_address: Option, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 27 | address: String, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | number: i64, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | size: Option, [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 36 | thing: Thing, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MyFlags` 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 4.24s [INFO] running `Command { std: "docker" "inspect" "8a28a0b613d00a2e031bca28af262f3739c2eb62e69103ac770180cbb8c915cc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a28a0b613d00a2e031bca28af262f3739c2eb62e69103ac770180cbb8c915cc", kill_on_drop: false }` [INFO] [stdout] 8a28a0b613d00a2e031bca28af262f3739c2eb62e69103ac770180cbb8c915cc