[INFO] fetching crate geen 0.0.7... [INFO] checking geen-0.0.7 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219 [INFO] extracting crate geen 0.0.7 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate geen 0.0.7 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate geen 0.0.7 [INFO] finished tweaking crates.io crate geen 0.0.7 [INFO] tweaked toml for crates.io crate geen 0.0.7 written to /workspace/builds/worker-9/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded uint v0.8.5 [INFO] [stderr] Downloaded mohan v0.0.53 [INFO] [stderr] Downloaded croaring v0.3.9 [INFO] [stderr] Downloaded croaring-sys v0.3.9 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] cad152596ec8d3407b836c178ad5606a69012ba6d25569d296c56dc3434a6f82 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "cad152596ec8d3407b836c178ad5606a69012ba6d25569d296c56dc3434a6f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "cad152596ec8d3407b836c178ad5606a69012ba6d25569d296c56dc3434a6f82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cad152596ec8d3407b836c178ad5606a69012ba6d25569d296c56dc3434a6f82", kill_on_drop: false }` [INFO] [stdout] cad152596ec8d3407b836c178ad5606a69012ba6d25569d296c56dc3434a6f82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0dfd7a81415fff3780d1a726939c644a3bb370d9d421d61c1170ca7177500040 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0dfd7a81415fff3780d1a726939c644a3bb370d9d421d61c1170ca7177500040", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling quick-error v1.2.3 [INFO] [stderr] Compiling serde v1.0.115 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling termcolor v1.1.0 [INFO] [stderr] Compiling bindgen v0.37.4 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling ansi_term v0.11.0 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling peeking_take_while v0.1.2 [INFO] [stderr] Checking hashbrown v0.9.0 [INFO] [stderr] Compiling packed_simd v0.3.3 [INFO] [stderr] Compiling crunchy v0.2.2 [INFO] [stderr] Checking fixedbitset v0.2.0 [INFO] [stderr] Checking smallvec v1.4.2 [INFO] [stderr] Checking arrayref v0.3.6 [INFO] [stderr] Checking arrayvec v0.5.1 [INFO] [stderr] Checking rustc-hex v2.1.0 [INFO] [stderr] Checking subtle v2.3.0 [INFO] [stderr] Compiling anyhow v1.0.32 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling clang-sys v0.23.0 [INFO] [stderr] Compiling proc-macro2 v0.3.5 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling thread_local v1.0.1 [INFO] [stderr] Compiling humantime v1.3.0 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling hashbrown v0.6.3 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling log v0.4.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.5 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling indexmap v1.6.0 [INFO] [stderr] Compiling rayon v1.4.0 [INFO] [stderr] Checking blake2b_simd v0.5.10 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling thiserror-impl v1.0.20 [INFO] [stderr] Compiling aho-corasick v0.7.13 [INFO] [stderr] Compiling zeroize_derive v1.0.0 [INFO] [stderr] Checking uint v0.8.5 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Checking backtrace v0.3.50 [INFO] [stderr] Checking thread-id v3.3.0 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Checking petgraph v0.5.1 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling which v1.0.5 [INFO] [stderr] Compiling nom v3.2.1 [INFO] [stderr] Compiling clap v2.33.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking generic-array v0.12.3 [INFO] [stderr] Compiling const-random-macro v0.1.8 [INFO] [stderr] Checking zeroize v1.1.0 [INFO] [stderr] Checking rayon-core v1.8.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking digest v0.8.1 [INFO] [stderr] Checking const-random v0.1.8 [INFO] [stderr] Checking ahash v0.2.18 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling cexpr v0.2.3 [INFO] [stderr] Checking thiserror v1.0.20 [INFO] [stderr] Checking parking_lot_core v0.7.2 [INFO] [stderr] Checking parking_lot v0.10.2 [INFO] [stderr] Compiling env_logger v0.5.13 [INFO] [stderr] Checking bytes v0.5.6 [INFO] [stderr] Checking serde_json v1.0.57 [INFO] [stderr] Checking bincode v1.3.1 [INFO] [stderr] Compiling croaring-sys v0.3.9 [INFO] [stderr] Checking curve25519-dalek v2.1.0 [INFO] [stderr] Checking mohan v0.0.53 [INFO] [stderr] Checking croaring v0.3.9 [INFO] [stderr] Checking geen v0.0.7 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mmr.rs:227:9 [INFO] [stdout] | [INFO] [stdout] 227 | (self.get_merkle_root() == other.get_merkle_root()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mutable_mmr.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | (self.get_merkle_root() == other.get_merkle_root()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mmr.rs:227:9 [INFO] [stdout] | [INFO] [stdout] 227 | (self.get_merkle_root() == other.get_merkle_root()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around block return value [INFO] [stdout] --> src/mutable_mmr.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | (self.get_merkle_root() == other.get_merkle_root()) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/merkle_proof.rs:280:13 [INFO] [stdout] | [INFO] [stdout] 280 | for i in 0..path_len.as_u64() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/merkle_proof.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | for i in 0..peaks_len.as_u64() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | path_len.write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | self.path[i].write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:265:9 [INFO] [stdout] | [INFO] [stdout] 265 | peaks_len.write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 268 | self.peaks[i].write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/merkle_proof.rs:280:13 [INFO] [stdout] | [INFO] [stdout] 280 | for i in 0..path_len.as_u64() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `i` [INFO] [stdout] --> src/merkle_proof.rs:287:13 [INFO] [stdout] | [INFO] [stdout] 287 | for i in 0..peaks_len.as_u64() { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_i` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:258:9 [INFO] [stdout] | [INFO] [stdout] 258 | path_len.write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:261:13 [INFO] [stdout] | [INFO] [stdout] 261 | self.path[i].write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:265:9 [INFO] [stdout] | [INFO] [stdout] 265 | peaks_len.write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/merkle_proof.rs:268:13 [INFO] [stdout] | [INFO] [stdout] 268 | self.peaks[i].write(writer); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2m 42s [INFO] running `Command { std: "docker" "inspect" "0dfd7a81415fff3780d1a726939c644a3bb370d9d421d61c1170ca7177500040", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0dfd7a81415fff3780d1a726939c644a3bb370d9d421d61c1170ca7177500040", kill_on_drop: false }` [INFO] [stdout] 0dfd7a81415fff3780d1a726939c644a3bb370d9d421d61c1170ca7177500040