[INFO] fetching crate dkvs 0.0.1... [INFO] checking dkvs-0.0.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate dkvs 0.0.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate dkvs 0.0.1 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 dkvs 0.0.1 [INFO] finished tweaking crates.io crate dkvs 0.0.1 [INFO] tweaked toml for crates.io crate dkvs 0.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate dkvs 0.0.1 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libc v0.2.125 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e6d07e2a6d288090581594e71c0ead5428f3f566e3eb91c040ecdcf602fbacd2 [INFO] running `Command { std: "docker" "start" "-a" "e6d07e2a6d288090581594e71c0ead5428f3f566e3eb91c040ecdcf602fbacd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e6d07e2a6d288090581594e71c0ead5428f3f566e3eb91c040ecdcf602fbacd2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e6d07e2a6d288090581594e71c0ead5428f3f566e3eb91c040ecdcf602fbacd2", kill_on_drop: false }` [INFO] [stdout] e6d07e2a6d288090581594e71c0ead5428f3f566e3eb91c040ecdcf602fbacd2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 97d86296420fac1102aaf13cdc73f94845460adad6d1d90f7de6498668c3d6f4 [INFO] running `Command { std: "docker" "start" "-a" "97d86296420fac1102aaf13cdc73f94845460adad6d1d90f7de6498668c3d6f4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stderr] Compiling dkvs v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/main.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let next = &args.get(index + 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `next` [INFO] [stdout] --> src/main.rs:54:13 [INFO] [stdout] | [INFO] [stdout] 54 | let next = &args.get(index + 1); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_next` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut app = App::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let mut app = App::new(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.96s [INFO] running `Command { std: "docker" "inspect" "97d86296420fac1102aaf13cdc73f94845460adad6d1d90f7de6498668c3d6f4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "97d86296420fac1102aaf13cdc73f94845460adad6d1d90f7de6498668c3d6f4", kill_on_drop: false }` [INFO] [stdout] 97d86296420fac1102aaf13cdc73f94845460adad6d1d90f7de6498668c3d6f4 [INFO] checking dkvs-0.0.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate dkvs 0.0.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate dkvs 0.0.1 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 dkvs 0.0.1 [INFO] finished tweaking crates.io crate dkvs 0.0.1 [INFO] tweaked toml for crates.io crate dkvs 0.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate dkvs 0.0.1 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d480a23c87f5cb8592be048ee76d91235a7880939eed3b2dbbee5e6a9eab55e0 [INFO] running `Command { std: "docker" "start" "-a" "d480a23c87f5cb8592be048ee76d91235a7880939eed3b2dbbee5e6a9eab55e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d480a23c87f5cb8592be048ee76d91235a7880939eed3b2dbbee5e6a9eab55e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d480a23c87f5cb8592be048ee76d91235a7880939eed3b2dbbee5e6a9eab55e0", kill_on_drop: false }` [INFO] [stdout] d480a23c87f5cb8592be048ee76d91235a7880939eed3b2dbbee5e6a9eab55e0 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ca817046f105f4211d35ed12d914cfeb57f0a7921c7f14d54d9d58c057062b83 [INFO] running `Command { std: "docker" "start" "-a" "ca817046f105f4211d35ed12d914cfeb57f0a7921c7f14d54d9d58c057062b83", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.125 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling time v0.1.44 [INFO] [stderr] Compiling chrono v0.4.19 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/chrono-0.4.19/src/format/parse.rs:491:21 [INFO] [stdout] | [INFO] [stdout] 491 | Err(INVALID)?; [INFO] [stdout] | ^^^ cannot infer type of the type parameter `T` declared on the enum `Result` [INFO] [stdout] | [INFO] [stdout] help: consider specifying the generic arguments [INFO] [stdout] | [INFO] [stdout] 491 | Err::(INVALID)?; [INFO] [stdout] | +++++++++++++++++++++++++ [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 `chrono` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "ca817046f105f4211d35ed12d914cfeb57f0a7921c7f14d54d9d58c057062b83", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ca817046f105f4211d35ed12d914cfeb57f0a7921c7f14d54d9d58c057062b83", kill_on_drop: false }` [INFO] [stdout] ca817046f105f4211d35ed12d914cfeb57f0a7921c7f14d54d9d58c057062b83