[INFO] fetching crate merkle 1.11.0... [INFO] checking merkle-1.11.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate merkle 1.11.0 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate merkle 1.11.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate merkle 1.11.0 [INFO] finished tweaking crates.io crate merkle 1.11.0 [INFO] tweaked toml for crates.io crate merkle 1.11.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 93 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding protobuf v2.28.0 (latest: v3.4.0) [INFO] [stderr] Adding protobuf-codegen v2.28.0 (latest: v3.4.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding ring v0.16.20 (latest: v0.17.8) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding untrusted v0.7.1 (latest: v0.9.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded protoc v2.28.0 [INFO] [stderr] Downloaded protoc-rust v2.28.0 [INFO] [stderr] Downloaded protobuf-codegen v2.28.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 2a82fe25aaa549216dee64370b371235476025f5607ed9c9148526efb01eb60e [INFO] running `Command { std: "docker" "start" "-a" "2a82fe25aaa549216dee64370b371235476025f5607ed9c9148526efb01eb60e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a82fe25aaa549216dee64370b371235476025f5607ed9c9148526efb01eb60e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a82fe25aaa549216dee64370b371235476025f5607ed9c9148526efb01eb60e", kill_on_drop: false }` [INFO] [stdout] 2a82fe25aaa549216dee64370b371235476025f5607ed9c9148526efb01eb60e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4ecc523bbf5616330b06fd1891dd3331f22d48d5ceabc0c9178ecd15175bfc14 [INFO] running `Command { std: "docker" "start" "-a" "4ecc523bbf5616330b06fd1891dd3331f22d48d5ceabc0c9178ecd15175bfc14", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Compiling merkle v1.11.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stdout] warning: unused imports: `Lemma`, `Positioned`, `Proof` [INFO] [stdout] --> src/tree.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub use proof::{Lemma, Positioned, Proof}; [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] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking criterion v0.2.11 [INFO] [stdout] warning: unused imports: `Lemma`, `Positioned`, `Proof` [INFO] [stdout] --> src/tree.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub use proof::{Lemma, Positioned, Proof}; [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.65s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "4ecc523bbf5616330b06fd1891dd3331f22d48d5ceabc0c9178ecd15175bfc14", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ecc523bbf5616330b06fd1891dd3331f22d48d5ceabc0c9178ecd15175bfc14", kill_on_drop: false }` [INFO] [stdout] 4ecc523bbf5616330b06fd1891dd3331f22d48d5ceabc0c9178ecd15175bfc14 [INFO] checking merkle-1.11.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate merkle 1.11.0 into /workspace/builds/worker-6-tc2/source [INFO] validating manifest of crates.io crate merkle 1.11.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate merkle 1.11.0 [INFO] finished tweaking crates.io crate merkle 1.11.0 [INFO] tweaked toml for crates.io crate merkle 1.11.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 93 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding cast v0.2.7 (latest: v0.3.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cloudabi v0.0.3 (latest: v0.1.0) [INFO] [stderr] Adding criterion v0.2.11 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.3.1 (latest: v0.5.0) [INFO] [stderr] Adding getrandom v0.1.16 (latest: v0.2.12) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.8.2 (latest: v0.12.1) [INFO] [stderr] Adding linux-raw-sys v0.4.13 (latest: v0.6.4) [INFO] [stderr] Adding protobuf v2.28.0 (latest: v3.4.0) [INFO] [stderr] Adding protobuf-codegen v2.28.0 (latest: v3.4.0) [INFO] [stderr] Adding rand v0.7.3 (latest: v0.8.5) [INFO] [stderr] Adding rand_chacha v0.2.2 (latest: v0.3.1) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.5.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_hc v0.2.0 (latest: v0.3.2) [INFO] [stderr] Adding rand_os v0.1.3 (latest: v0.2.2) [INFO] [stderr] Adding rand_xoshiro v0.1.0 (latest: v0.6.0) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding ring v0.16.20 (latest: v0.17.8) [INFO] [stderr] Adding spin v0.5.2 (latest: v0.9.8) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding untrusted v0.7.1 (latest: v0.9.0) [INFO] [stderr] Adding wasi v0.9.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding which v4.4.2 (latest: v6.0.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ad107a44e186552df3b16d0590ed632c0dac62916a9fabc0ce24bf73afce68ed [INFO] running `Command { std: "docker" "start" "-a" "ad107a44e186552df3b16d0590ed632c0dac62916a9fabc0ce24bf73afce68ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ad107a44e186552df3b16d0590ed632c0dac62916a9fabc0ce24bf73afce68ed", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ad107a44e186552df3b16d0590ed632c0dac62916a9fabc0ce24bf73afce68ed", kill_on_drop: false }` [INFO] [stdout] ad107a44e186552df3b16d0590ed632c0dac62916a9fabc0ce24bf73afce68ed [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a95271013a746a761958c0c43fbbd75247ec3ab6c2a1e47c2907af8e5df11a4 [INFO] running `Command { std: "docker" "start" "-a" "7a95271013a746a761958c0c43fbbd75247ec3ab6c2a1e47c2907af8e5df11a4", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking rand_core v0.4.2 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking untrusted v0.7.1 [INFO] [stderr] Checking spin v0.5.2 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Compiling merkle v1.11.0 (/opt/rustwide/workdir) [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking rand_xoshiro v0.1.0 [INFO] [stderr] Checking itertools v0.8.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking criterion-plot v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stdout] warning: unused imports: `Lemma`, `Positioned`, `Proof` [INFO] [stdout] --> src/tree.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub use proof::{Lemma, Positioned, Proof}; [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 criterion v0.2.11 [INFO] [stdout] warning: unused imports: `Lemma`, `Positioned`, `Proof` [INFO] [stdout] --> src/tree.rs:5:17 [INFO] [stdout] | [INFO] [stdout] 5 | pub use proof::{Lemma, Positioned, Proof}; [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] Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.83s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.2.11 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "7a95271013a746a761958c0c43fbbd75247ec3ab6c2a1e47c2907af8e5df11a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a95271013a746a761958c0c43fbbd75247ec3ab6c2a1e47c2907af8e5df11a4", kill_on_drop: false }` [INFO] [stdout] 7a95271013a746a761958c0c43fbbd75247ec3ab6c2a1e47c2907af8e5df11a4