[INFO] fetching crate robust-git-bisect 0.1.1... [INFO] checking robust-git-bisect-0.1.1 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate robust-git-bisect 0.1.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate robust-git-bisect 0.1.1 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 robust-git-bisect 0.1.1 [INFO] finished tweaking crates.io crate robust-git-bisect 0.1.1 [INFO] tweaked toml for crates.io crate robust-git-bisect 0.1.1 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate robust-git-bisect 0.1.1 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded union-find v0.3.2 [INFO] [stderr] Downloaded robust-binary-search v0.1.0 [INFO] [stderr] Downloaded sized-chunks v0.6.2 [INFO] [stderr] Downloaded im-rc v15.0.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f01395e30e7cd3d93110c4ea0ca201706f9fcd4383eaf220a6498efe54086e44 [INFO] running `Command { std: "docker" "start" "-a" "f01395e30e7cd3d93110c4ea0ca201706f9fcd4383eaf220a6498efe54086e44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f01395e30e7cd3d93110c4ea0ca201706f9fcd4383eaf220a6498efe54086e44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f01395e30e7cd3d93110c4ea0ca201706f9fcd4383eaf220a6498efe54086e44", kill_on_drop: false }` [INFO] [stdout] f01395e30e7cd3d93110c4ea0ca201706f9fcd4383eaf220a6498efe54086e44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6bb8f8e9ca22d0403c9aa67a7f5ba56c60a6da18c1c343d5098403ebb33eea88 [INFO] running `Command { std: "docker" "start" "-a" "6bb8f8e9ca22d0403c9aa67a7f5ba56c60a6da18c1c343d5098403ebb33eea88", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking union-find v0.3.2 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking bitmaps v2.1.0 [INFO] [stderr] Checking simplelog v0.8.0 [INFO] [stderr] Checking sized-chunks v0.6.2 [INFO] [stderr] Checking robust-binary-search v0.1.0 [INFO] [stderr] Checking robust-git-bisect v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:40:20 [INFO] [stdout] | [INFO] [stdout] 40 | struct StringUnion(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `StringUnion` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 40 | struct StringUnion(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:40:20 [INFO] [stdout] | [INFO] [stdout] 40 | struct StringUnion(String); [INFO] [stdout] | ----------- ^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = note: `StringUnion` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 40 | struct StringUnion(()); [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s [INFO] running `Command { std: "docker" "inspect" "6bb8f8e9ca22d0403c9aa67a7f5ba56c60a6da18c1c343d5098403ebb33eea88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6bb8f8e9ca22d0403c9aa67a7f5ba56c60a6da18c1c343d5098403ebb33eea88", kill_on_drop: false }` [INFO] [stdout] 6bb8f8e9ca22d0403c9aa67a7f5ba56c60a6da18c1c343d5098403ebb33eea88 [INFO] checking robust-git-bisect-0.1.1 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate robust-git-bisect 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate robust-git-bisect 0.1.1 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 robust-git-bisect 0.1.1 [INFO] finished tweaking crates.io crate robust-git-bisect 0.1.1 [INFO] tweaked toml for crates.io crate robust-git-bisect 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate robust-git-bisect 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 31cd2ded2ff899df6961c6fdd74e8e2350961915a1351e1c91b58290bd7deb09 [INFO] running `Command { std: "docker" "start" "-a" "31cd2ded2ff899df6961c6fdd74e8e2350961915a1351e1c91b58290bd7deb09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "31cd2ded2ff899df6961c6fdd74e8e2350961915a1351e1c91b58290bd7deb09", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "31cd2ded2ff899df6961c6fdd74e8e2350961915a1351e1c91b58290bd7deb09", kill_on_drop: false }` [INFO] [stdout] 31cd2ded2ff899df6961c6fdd74e8e2350961915a1351e1c91b58290bd7deb09 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 30699581937ec083a4ddb3ff1554f0ba57000632aec757baf01653f909e013ea [INFO] running `Command { std: "docker" "start" "-a" "30699581937ec083a4ddb3ff1554f0ba57000632aec757baf01653f909e013ea", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.79 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Checking union-find v0.3.2 [INFO] [stderr] Checking rand_xoshiro v0.4.0 [INFO] [stderr] Compiling im-rc v15.0.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking bitmaps v2.1.0 [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] [stderr] Checking sized-chunks v0.6.2 [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" "30699581937ec083a4ddb3ff1554f0ba57000632aec757baf01653f909e013ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "30699581937ec083a4ddb3ff1554f0ba57000632aec757baf01653f909e013ea", kill_on_drop: false }` [INFO] [stdout] 30699581937ec083a4ddb3ff1554f0ba57000632aec757baf01653f909e013ea