[INFO] fetching crate loro-rle 0.1.0... [INFO] checking loro-rle-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] extracting crate loro-rle 0.1.0 into /workspace/builds/worker-7-tc1/source [INFO] validating manifest of crates.io crate loro-rle 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 loro-rle 0.1.0 [INFO] finished tweaking crates.io crate loro-rle 0.1.0 [INFO] tweaked toml for crates.io crate loro-rle 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml [INFO] crate crates.io crate loro-rle 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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded append-only-bytes v0.1.12 [INFO] [stderr] Downloaded crdt-list v0.4.0 [INFO] [stderr] Downloaded debug-log v0.2.2 [INFO] [stderr] Downloaded ouroboros_macro v0.15.6 [INFO] [stderr] Downloaded arref v0.1.0 [INFO] [stderr] Downloaded ouroboros v0.15.6 [INFO] [stderr] Downloaded proptest v1.0.0 [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] 2a81fc29ca049090526bf95cb2f09b33f8f6035c25715f4cec56e49594b4822c [INFO] running `Command { std: "docker" "start" "-a" "2a81fc29ca049090526bf95cb2f09b33f8f6035c25715f4cec56e49594b4822c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2a81fc29ca049090526bf95cb2f09b33f8f6035c25715f4cec56e49594b4822c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2a81fc29ca049090526bf95cb2f09b33f8f6035c25715f4cec56e49594b4822c", kill_on_drop: false }` [INFO] [stdout] 2a81fc29ca049090526bf95cb2f09b33f8f6035c25715f4cec56e49594b4822c [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] 1990e5a711c0bbc7314e1bd129f327b29ef87cc2a831ec928973deb37ea8d7c9 [INFO] running `Command { std: "docker" "start" "-a" "1990e5a711c0bbc7314e1bd129f327b29ef87cc2a831ec928973deb37ea8d7c9", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling semver v1.0.16 [INFO] [stderr] Compiling proc-macro2 v1.0.67 [INFO] [stderr] Checking getrandom v0.2.10 [INFO] [stderr] Compiling num-bigint v0.4.3 [INFO] [stderr] Compiling num-rational v0.4.1 [INFO] [stderr] Compiling num-iter v0.1.43 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Compiling cc v1.0.78 [INFO] [stderr] Checking fastrand v1.8.0 [INFO] [stderr] Checking gimli v0.27.0 [INFO] [stderr] Compiling Inflector v0.11.4 [INFO] [stderr] Checking tempfile v3.3.0 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling syn v1.0.107 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking miniz_oxide v0.6.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Checking object v0.30.2 [INFO] [stderr] Compiling heapless v0.7.16 [INFO] [stderr] Checking spin v0.9.4 [INFO] [stderr] Checking hash32 v0.2.1 [INFO] [stderr] Checking num-integer v0.1.45 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Compiling smartstring v1.0.1 [INFO] [stderr] Checking rustc-demangle v0.1.21 [INFO] [stderr] Compiling backtrace v0.3.67 [INFO] [stderr] Checking arref v0.1.0 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Checking quick-error v1.2.3 [INFO] [stderr] Checking stable_deref_trait v1.2.0 [INFO] [stderr] Checking rusty-fork v0.3.0 [INFO] [stderr] Checking debug-log v0.2.2 [INFO] [stderr] Checking crdt-list v0.4.0 [INFO] [stderr] Checking bit-set v0.5.3 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rand_xorshift v0.3.0 [INFO] [stderr] Checking fxhash v0.2.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking append-only-bytes v0.1.12 [INFO] [stderr] Checking bumpalo v3.11.1 [INFO] [stderr] Checking quick-error v2.0.1 [INFO] [stderr] Checking addr2line v0.19.0 [INFO] [stderr] Checking proptest v1.0.0 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking num v0.4.0 [INFO] [stderr] Compiling ouroboros_macro v0.15.6 [INFO] [stderr] Compiling enum-as-inner v0.5.1 [INFO] [stderr] Compiling ctor v0.1.26 [INFO] [stderr] Checking color-backtrace v0.5.1 [INFO] [stderr] Checking ouroboros v0.15.6 [INFO] [stderr] Checking loro-rle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Debug` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/internal_impl.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | fmt::{Debug, Error, Formatter}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | use super::*; [INFO] [stdout] | -------- the item `Debug` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VecTrait` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/internal_impl.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | arena::VecTrait, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | use super::*; [INFO] [stdout] | -------- the item `VecTrait` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VecTrait` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/leaf_impl.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | arena::VecTrait, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use super::{utils::distribute, *}; [INFO] [stdout] | - the item `VecTrait` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Debug` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/leaf_impl.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fmt::{Debug, Error, Formatter}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | [INFO] [stdout] 13 | use super::{utils::distribute, *}; [INFO] [stdout] | - the item `Debug` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Debug` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/internal_impl.rs:3:11 [INFO] [stdout] | [INFO] [stdout] 3 | fmt::{Debug, Error, Formatter}, [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | use super::*; [INFO] [stdout] | -------- the item `Debug` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VecTrait` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/internal_impl.rs:12:9 [INFO] [stdout] | [INFO] [stdout] 12 | arena::VecTrait, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 19 | use super::*; [INFO] [stdout] | -------- the item `VecTrait` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `VecTrait` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/leaf_impl.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 5 | arena::VecTrait, [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 13 | use super::{utils::distribute, *}; [INFO] [stdout] | - the item `VecTrait` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Debug` is imported redundantly [INFO] [stdout] --> src/rle_tree/node/leaf_impl.rs:11:16 [INFO] [stdout] | [INFO] [stdout] 11 | use std::fmt::{Debug, Error, Formatter}; [INFO] [stdout] | ^^^^^ [INFO] [stdout] 12 | [INFO] [stdout] 13 | use super::{utils::distribute, *}; [INFO] [stdout] | - the item `Debug` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `NonNull` is imported redundantly [INFO] [stdout] --> src/rle_tree/test/notify_prop_test.rs:11:23 [INFO] [stdout] | [INFO] [stdout] 10 | use super::super::*; [INFO] [stdout] | --------------- the item `NonNull` is already imported here [INFO] [stdout] 11 | use std::{ops::Deref, ptr::NonNull}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Iterator` that must be used [INFO] [stdout] --> src/range_map.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | leaf.children.drain(start..end); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused implementer of `Iterator` that must be used [INFO] [stdout] --> src/range_map.rs:283:17 [INFO] [stdout] | [INFO] [stdout] 283 | leaf.children.drain(start..end); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: iterators are lazy and do nothing unless consumed [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.02s [INFO] running `Command { std: "docker" "inspect" "1990e5a711c0bbc7314e1bd129f327b29ef87cc2a831ec928973deb37ea8d7c9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1990e5a711c0bbc7314e1bd129f327b29ef87cc2a831ec928973deb37ea8d7c9", kill_on_drop: false }` [INFO] [stdout] 1990e5a711c0bbc7314e1bd129f327b29ef87cc2a831ec928973deb37ea8d7c9