[INFO] fetching crate flatzinc 0.3.19... [INFO] checking flatzinc-0.3.19 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate flatzinc 0.3.19 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate flatzinc 0.3.19 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 flatzinc 0.3.19 [INFO] finished tweaking crates.io crate flatzinc 0.3.19 [INFO] tweaked toml for crates.io crate flatzinc 0.3.19 written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate crates.io crate flatzinc 0.3.19 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded anyhow v1.0.55 [INFO] [stderr] Downloaded stderrlog v0.5.1 [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] d9c4337992c9ebb3d5fe947b157aa930a0f0504d38b40c3b8a0365d7bbbc5ded [INFO] running `Command { std: "docker" "start" "-a" "d9c4337992c9ebb3d5fe947b157aa930a0f0504d38b40c3b8a0365d7bbbc5ded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d9c4337992c9ebb3d5fe947b157aa930a0f0504d38b40c3b8a0365d7bbbc5ded", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d9c4337992c9ebb3d5fe947b157aa930a0f0504d38b40c3b8a0365d7bbbc5ded", kill_on_drop: false }` [INFO] [stdout] d9c4337992c9ebb3d5fe947b157aa930a0f0504d38b40c3b8a0365d7bbbc5ded [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] a812e55c81e956d24b902852c1bf4edec8966f1dbb7ef665d6d2f6185d53171a [INFO] running `Command { std: "docker" "start" "-a" "a812e55c81e956d24b902852c1bf4edec8966f1dbb7ef665d6d2f6185d53171a", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling anyhow v1.0.55 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking stderrlog v0.5.1 [INFO] [stderr] Checking flatzinc v0.3.19 (/opt/rustwide/workdir) [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling structopt-derive v0.4.18 [INFO] [stderr] Checking structopt v0.3.26 [INFO] [stdout] warning: the item `stderrlog` is imported redundantly [INFO] [stdout] --> examples/fz-parser.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use stderrlog; [INFO] [stdout] | ^^^^^^^^^ the item `stderrlog` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` 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 3.79s [INFO] running `Command { std: "docker" "inspect" "a812e55c81e956d24b902852c1bf4edec8966f1dbb7ef665d6d2f6185d53171a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a812e55c81e956d24b902852c1bf4edec8966f1dbb7ef665d6d2f6185d53171a", kill_on_drop: false }` [INFO] [stdout] a812e55c81e956d24b902852c1bf4edec8966f1dbb7ef665d6d2f6185d53171a [INFO] checking flatzinc-0.3.19 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate flatzinc 0.3.19 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate flatzinc 0.3.19 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 flatzinc 0.3.19 [INFO] finished tweaking crates.io crate flatzinc 0.3.19 [INFO] tweaked toml for crates.io crate flatzinc 0.3.19 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate crates.io crate flatzinc 0.3.19 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] 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] 1624e7389f9dbbb503b2ed3bc8e6e84a749e958044c167e4d0860803a03f2bb1 [INFO] running `Command { std: "docker" "start" "-a" "1624e7389f9dbbb503b2ed3bc8e6e84a749e958044c167e4d0860803a03f2bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1624e7389f9dbbb503b2ed3bc8e6e84a749e958044c167e4d0860803a03f2bb1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1624e7389f9dbbb503b2ed3bc8e6e84a749e958044c167e4d0860803a03f2bb1", kill_on_drop: false }` [INFO] [stdout] 1624e7389f9dbbb503b2ed3bc8e6e84a749e958044c167e4d0860803a03f2bb1 [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] 11f05beb05e4aa782ea1c7b84a4e4e2aee24c7af0f54db26c0b2dadf23c7c261 [INFO] running `Command { std: "docker" "start" "-a" "11f05beb05e4aa782ea1c7b84a4e4e2aee24c7af0f54db26c0b2dadf23c7c261", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.36 [INFO] [stderr] Compiling libc v0.2.119 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling syn v1.0.86 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling nom v7.1.0 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Compiling unicode-segmentation v1.9.0 [INFO] [stderr] Compiling anyhow v1.0.55 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.15 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking 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] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "11f05beb05e4aa782ea1c7b84a4e4e2aee24c7af0f54db26c0b2dadf23c7c261", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "11f05beb05e4aa782ea1c7b84a4e4e2aee24c7af0f54db26c0b2dadf23c7c261", kill_on_drop: false }` [INFO] [stdout] 11f05beb05e4aa782ea1c7b84a4e4e2aee24c7af0f54db26c0b2dadf23c7c261