[INFO] fetching crate drng 0.2.0... [INFO] checking drng-0.2.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate drng 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate drng 0.2.0 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 drng 0.2.0 [INFO] finished tweaking crates.io crate drng 0.2.0 [INFO] tweaked toml for crates.io crate drng 0.2.0 written to /workspace/builds/worker-3-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 22 packages [INFO] [stderr] Adding env_logger v0.8.4 (latest: v0.11.3) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 239c5df9aa8521044a9f4df3d6125da917a1ea5b27789f3abe9a9a51ec5a978c [INFO] running `Command { std: "docker" "start" "-a" "239c5df9aa8521044a9f4df3d6125da917a1ea5b27789f3abe9a9a51ec5a978c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "239c5df9aa8521044a9f4df3d6125da917a1ea5b27789f3abe9a9a51ec5a978c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "239c5df9aa8521044a9f4df3d6125da917a1ea5b27789f3abe9a9a51ec5a978c", kill_on_drop: false }` [INFO] [stdout] 239c5df9aa8521044a9f4df3d6125da917a1ea5b27789f3abe9a9a51ec5a978c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] ab55116eafac4165f137b4d90208988a154eaa3092b37f55c5b10aa65cf07923 [INFO] running `Command { std: "docker" "start" "-a" "ab55116eafac4165f137b4d90208988a154eaa3092b37f55c5b10aa65cf07923", kill_on_drop: false }` [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking drng v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `payload_range::PayloadRange` [INFO] [stdout] --> src/range/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use payload_range::PayloadRange; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stdout] warning: unused import: `payload_range::PayloadRange` [INFO] [stdout] --> src/range/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use payload_range::PayloadRange; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:196:28 [INFO] [stdout] | [INFO] [stdout] 194 | use super::*; [INFO] [stdout] | -------- the item `Rng` is already imported here [INFO] [stdout] 195 | use quickcheck::{quickcheck, TestResult}; [INFO] [stdout] 196 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.24s [INFO] running `Command { std: "docker" "inspect" "ab55116eafac4165f137b4d90208988a154eaa3092b37f55c5b10aa65cf07923", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ab55116eafac4165f137b4d90208988a154eaa3092b37f55c5b10aa65cf07923", kill_on_drop: false }` [INFO] [stdout] ab55116eafac4165f137b4d90208988a154eaa3092b37f55c5b10aa65cf07923 [INFO] checking drng-0.2.0 against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback [INFO] extracting crate drng 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate drng 0.2.0 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 drng 0.2.0 [INFO] finished tweaking crates.io crate drng 0.2.0 [INFO] tweaked toml for crates.io crate drng 0.2.0 written to /workspace/builds/worker-3-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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 6425d899346c28866bf7bf4e59036246f423102f16b9bedca6d70ea0ec91e523 [INFO] running `Command { std: "docker" "start" "-a" "6425d899346c28866bf7bf4e59036246f423102f16b9bedca6d70ea0ec91e523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "6425d899346c28866bf7bf4e59036246f423102f16b9bedca6d70ea0ec91e523", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6425d899346c28866bf7bf4e59036246f423102f16b9bedca6d70ea0ec91e523", kill_on_drop: false }` [INFO] [stdout] 6425d899346c28866bf7bf4e59036246f423102f16b9bedca6d70ea0ec91e523 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a4ff235b893442b840426060f0d1e24327fcdb8954b2f891f6bc726b753896cf [INFO] running `Command { std: "docker" "start" "-a" "a4ff235b893442b840426060f0d1e24327fcdb8954b2f891f6bc726b753896cf", kill_on_drop: false }` [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking drng v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `payload_range::PayloadRange` [INFO] [stdout] --> src/range/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use payload_range::PayloadRange; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [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] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stdout] warning: unused import: `payload_range::PayloadRange` [INFO] [stdout] --> src/range/mod.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub use payload_range::PayloadRange; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Rng` is imported redundantly [INFO] [stdout] --> src/lib.rs:196:28 [INFO] [stdout] | [INFO] [stdout] 194 | use super::*; [INFO] [stdout] | -------- the item `Rng` is already imported here [INFO] [stdout] 195 | use quickcheck::{quickcheck, TestResult}; [INFO] [stdout] 196 | use rand::{thread_rng, Rng}; [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0282]: type annotations needed [INFO] [stdout] --> src/range/simple_range.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 102 | / match SimpleRange::new( [INFO] [stdout] 103 | | usize::arbitrary(g), [INFO] [stdout] 104 | | usize::arbitrary(g), [INFO] [stdout] 105 | | RangeMode::arbitrary(g), [INFO] [stdout] ... | [INFO] [stdout] 108 | | Ok(r) => return r, [INFO] [stdout] 109 | | }; [INFO] [stdout] | |_____________^ cannot infer type [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0282`. [INFO] [stdout] [INFO] [stderr] error: could not compile `drng` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "a4ff235b893442b840426060f0d1e24327fcdb8954b2f891f6bc726b753896cf", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4ff235b893442b840426060f0d1e24327fcdb8954b2f891f6bc726b753896cf", kill_on_drop: false }` [INFO] [stdout] a4ff235b893442b840426060f0d1e24327fcdb8954b2f891f6bc726b753896cf