[INFO] fetching crate ctflag 0.1.2... [INFO] checking ctflag-0.1.2 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate ctflag 0.1.2 into /workspace/builds/worker-1-tc1/source [INFO] validating manifest of crates.io crate ctflag 0.1.2 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 7 packages [INFO] [stderr] Adding proc-macro2 v0.4.30 (latest: v1.0.79) [INFO] [stderr] Adding quote v0.6.13 (latest: v1.0.35) [INFO] [stderr] Adding syn v0.15.44 (latest: v2.0.58) [INFO] [stderr] Adding unicode-xid v0.1.0 (latest: v0.2.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded ctflag_derive v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7ffece2f8a299cbfec21a865cb2943c6ba1804db26d5875218a6e5790de7eea6 [INFO] running `Command { std: "docker" "start" "-a" "7ffece2f8a299cbfec21a865cb2943c6ba1804db26d5875218a6e5790de7eea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ffece2f8a299cbfec21a865cb2943c6ba1804db26d5875218a6e5790de7eea6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ffece2f8a299cbfec21a865cb2943c6ba1804db26d5875218a6e5790de7eea6", kill_on_drop: false }` [INFO] [stdout] 7ffece2f8a299cbfec21a865cb2943c6ba1804db26d5875218a6e5790de7eea6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b9621096c49c9dfb95e802b412205accc6967030466116bc17b87e2678e9eed [INFO] running `Command { std: "docker" "start" "-a" "3b9621096c49c9dfb95e802b412205accc6967030466116bc17b87e2678e9eed", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.61s [INFO] running `Command { std: "docker" "inspect" "3b9621096c49c9dfb95e802b412205accc6967030466116bc17b87e2678e9eed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b9621096c49c9dfb95e802b412205accc6967030466116bc17b87e2678e9eed", kill_on_drop: false }` [INFO] [stdout] 3b9621096c49c9dfb95e802b412205accc6967030466116bc17b87e2678e9eed [INFO] checking ctflag-0.1.2 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate ctflag 0.1.2 into /workspace/builds/worker-1-tc2/source [INFO] validating manifest of crates.io crate ctflag 0.1.2 on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-1-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 20c25c2c877b3bac94acd209dc07a019112189e0b21de2fc5032f6859f051ee4 [INFO] running `Command { std: "docker" "start" "-a" "20c25c2c877b3bac94acd209dc07a019112189e0b21de2fc5032f6859f051ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "20c25c2c877b3bac94acd209dc07a019112189e0b21de2fc5032f6859f051ee4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20c25c2c877b3bac94acd209dc07a019112189e0b21de2fc5032f6859f051ee4", kill_on_drop: false }` [INFO] [stdout] 20c25c2c877b3bac94acd209dc07a019112189e0b21de2fc5032f6859f051ee4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b6f4ef2db74c5780536da64e09033b23f7bcde20d493ef7e8c08d3713ea3604f [INFO] running `Command { std: "docker" "start" "-a" "b6f4ef2db74c5780536da64e09033b23f7bcde20d493ef7e8c08d3713ea3604f", kill_on_drop: false }` [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling unicode-segmentation v1.11.0 [INFO] [stderr] Compiling ctflag_derive v0.1.2 [INFO] [stderr] Checking ctflag v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:346:14 [INFO] [stdout] | [INFO] [stdout] 346 | #[derive(Flags)] [INFO] [stdout] | ^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Flags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:507:14 [INFO] [stdout] | [INFO] [stdout] 507 | #[derive(Flags)] [INFO] [stdout] | ^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Flags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:547:14 [INFO] [stdout] | [INFO] [stdout] 547 | #[derive(Flags)] [INFO] [stdout] | ^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Flags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:561:14 [INFO] [stdout] | [INFO] [stdout] 561 | #[derive(Flags)] [INFO] [stdout] | ^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Flags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/lib.rs:579:14 [INFO] [stdout] | [INFO] [stdout] 579 | #[derive(Flags)] [INFO] [stdout] | ^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Flags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> examples/simple.rs:18:17 [INFO] [stdout] | [INFO] [stdout] 18 | #[derive(Debug, Flags)] [INFO] [stdout] | ^^^^^ cannot infer type [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the derive macro `Flags` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ctflag` (example "simple") due to 2 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] error: aborting due to 5 previous errors [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `ctflag` (lib test) due to 6 previous errors [INFO] running `Command { std: "docker" "inspect" "b6f4ef2db74c5780536da64e09033b23f7bcde20d493ef7e8c08d3713ea3604f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b6f4ef2db74c5780536da64e09033b23f7bcde20d493ef7e8c08d3713ea3604f", kill_on_drop: false }` [INFO] [stdout] b6f4ef2db74c5780536da64e09033b23f7bcde20d493ef7e8c08d3713ea3604f