[INFO] fetching crate memory-balloon 0.1.0... [INFO] checking memory-balloon-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate memory-balloon 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate memory-balloon 0.1.0 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 memory-balloon 0.1.0 [INFO] finished tweaking crates.io crate memory-balloon 0.1.0 [INFO] tweaked toml for crates.io crate memory-balloon 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate memory-balloon 0.1.0 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 number_prefix v0.3.0 [INFO] [stderr] Downloaded syn v0.15.39 [INFO] [stderr] Downloaded rand_core v0.5.0 [INFO] [stderr] Downloaded libc v0.2.59 [INFO] [stderr] Downloaded atty v0.2.12 [INFO] [stderr] Downloaded region v2.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] d498b3811ade21fd4b7198bc1ffd4acb5fcca8073b6ef22adb88ac779d53dec4 [INFO] running `Command { std: "docker" "start" "-a" "d498b3811ade21fd4b7198bc1ffd4acb5fcca8073b6ef22adb88ac779d53dec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d498b3811ade21fd4b7198bc1ffd4acb5fcca8073b6ef22adb88ac779d53dec4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d498b3811ade21fd4b7198bc1ffd4acb5fcca8073b6ef22adb88ac779d53dec4", kill_on_drop: false }` [INFO] [stdout] d498b3811ade21fd4b7198bc1ffd4acb5fcca8073b6ef22adb88ac779d53dec4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] dcee6bced1e415c268b48437579675290b8098099c43f75d387f7a8cc2c133f6 [INFO] running `Command { std: "docker" "start" "-a" "dcee6bced1e415c268b48437579675290b8098099c43f75d387f7a8cc2c133f6", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking atty v0.2.12 [INFO] [stderr] Checking region v2.1.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Checking structopt v0.2.18 [INFO] [stderr] Checking memory-balloon v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.71s [INFO] running `Command { std: "docker" "inspect" "dcee6bced1e415c268b48437579675290b8098099c43f75d387f7a8cc2c133f6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dcee6bced1e415c268b48437579675290b8098099c43f75d387f7a8cc2c133f6", kill_on_drop: false }` [INFO] [stdout] dcee6bced1e415c268b48437579675290b8098099c43f75d387f7a8cc2c133f6 [INFO] checking memory-balloon-0.1.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate memory-balloon 0.1.0 into /workspace/builds/worker-7-tc2/source [INFO] validating manifest of crates.io crate memory-balloon 0.1.0 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 memory-balloon 0.1.0 [INFO] finished tweaking crates.io crate memory-balloon 0.1.0 [INFO] tweaked toml for crates.io crate memory-balloon 0.1.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate crates.io crate memory-balloon 0.1.0 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 7ceadbe8d894e15770d294377471e76890bcd3610002a4f51ad02d7f2eb43c62 [INFO] running `Command { std: "docker" "start" "-a" "7ceadbe8d894e15770d294377471e76890bcd3610002a4f51ad02d7f2eb43c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7ceadbe8d894e15770d294377471e76890bcd3610002a4f51ad02d7f2eb43c62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ceadbe8d894e15770d294377471e76890bcd3610002a4f51ad02d7f2eb43c62", kill_on_drop: false }` [INFO] [stdout] 7ceadbe8d894e15770d294377471e76890bcd3610002a4f51ad02d7f2eb43c62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4beaf1d1a527fd5280b3256748da39fe7fafcf459c4b093fbcad917d56e08345 [INFO] running `Command { std: "docker" "start" "-a" "4beaf1d1a527fd5280b3256748da39fe7fafcf459c4b093fbcad917d56e08345", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.59 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Checking rand_core v0.5.0 [INFO] [stderr] Checking number_prefix v0.3.0 [INFO] [stderr] Checking rand_xorshift v0.2.0 [INFO] [stderr] Checking atty v0.2.12 [INFO] [stderr] Checking region v2.1.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lock.rs:23:5 [INFO] [stdout] | [INFO] [stdout] 23 | Err(Error::NullAddress)?; [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] 23 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lock.rs:51:5 [INFO] [stdout] | [INFO] [stdout] 51 | Err(Error::NullAddress)?; [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] 51 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/protect.rs:32:5 [INFO] [stdout] | [INFO] [stdout] 32 | Err(Error::NullAddress)?; [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] 32 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lib.rs:129:5 [INFO] [stdout] | [INFO] [stdout] 129 | Err(Error::NullAddress)?; [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] 129 | Err::(Error::NullAddress)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/region-2.1.2/src/lib.rs:157:5 [INFO] [stdout] | [INFO] [stdout] 157 | Err(Error::EmptyRange)?; [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] 157 | Err::(Error::EmptyRange)?; [INFO] [stdout] | +++++++++++++++++++ [INFO] [stdout] [INFO] [stdout] [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 `region` (lib) due to 6 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4beaf1d1a527fd5280b3256748da39fe7fafcf459c4b093fbcad917d56e08345", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4beaf1d1a527fd5280b3256748da39fe7fafcf459c4b093fbcad917d56e08345", kill_on_drop: false }` [INFO] [stdout] 4beaf1d1a527fd5280b3256748da39fe7fafcf459c4b093fbcad917d56e08345