[INFO] fetching crate starling 4.0.0... [INFO] checking starling-4.0.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate starling 4.0.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate starling 4.0.0 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 starling 4.0.0 [INFO] finished tweaking crates.io crate starling 4.0.0 [INFO] tweaked toml for crates.io crate starling 4.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate starling 4.0.0 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crypto-common v0.1.4 [INFO] [stderr] Downloaded clang-sys v1.3.3 [INFO] [stderr] Downloaded ripemd v0.1.1 [INFO] [stderr] Downloaded keccak v0.1.2 [INFO] [stderr] Downloaded semver v1.0.12 [INFO] [stderr] Downloaded whirlpool v0.10.1 [INFO] [stderr] Downloaded blake2 v0.10.4 [INFO] [stderr] Downloaded blake2-rfc v0.2.18 [INFO] [stderr] Downloaded groestl v0.10.1 [INFO] [stderr] Downloaded sha3 v0.10.1 [INFO] [stderr] Downloaded md2 v0.10.1 [INFO] [stderr] Downloaded md4 v0.10.1 [INFO] [stderr] Downloaded rocksdb v0.18.0 [INFO] [stderr] Downloaded librocksdb-sys v0.6.1+6.28.2 [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 3b31848e61cc38fcdd4cf3240c5ec03fcc316ed8cea69c12ab03b148c03088ad [INFO] running `Command { std: "docker" "start" "-a" "3b31848e61cc38fcdd4cf3240c5ec03fcc316ed8cea69c12ab03b148c03088ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3b31848e61cc38fcdd4cf3240c5ec03fcc316ed8cea69c12ab03b148c03088ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b31848e61cc38fcdd4cf3240c5ec03fcc316ed8cea69c12ab03b148c03088ad", kill_on_drop: false }` [INFO] [stdout] 3b31848e61cc38fcdd4cf3240c5ec03fcc316ed8cea69c12ab03b148c03088ad [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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 593d06875d34350496104cdc9985d6ef702b8ffbdbf01efde56f33a6f3941cc3 [INFO] running `Command { std: "docker" "start" "-a" "593d06875d34350496104cdc9985d6ef702b8ffbdbf01efde56f33a6f3941cc3", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.12 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling serde v1.0.138 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling starling v4.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/merkle_bit.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/utils/tree_utils.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Compiling serde_derive v1.0.138 [INFO] [stderr] Checking serde_json v1.0.82 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/merkle_bit.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `choose_zero` is imported redundantly [INFO] [stdout] --> src/merkle_bit.rs:924:9 [INFO] [stdout] | [INFO] [stdout] 924 | use crate::utils::tree_utils::choose_zero; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 925 | [INFO] [stdout] 926 | use super::*; [INFO] [stdout] | -------- the item `choose_zero` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/utils/tree_utils.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1081:14 [INFO] [stdout] | [INFO] [stdout] 1081 | for &res in result.0 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1085:14 [INFO] [stdout] | [INFO] [stdout] 1085 | for &res in result.1 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1111:14 [INFO] [stdout] | [INFO] [stdout] 1111 | for &res in result.0 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1115:14 [INFO] [stdout] | [INFO] [stdout] 1115 | for &res in result.1 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.43s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3` [INFO] running `Command { std: "docker" "inspect" "593d06875d34350496104cdc9985d6ef702b8ffbdbf01efde56f33a6f3941cc3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "593d06875d34350496104cdc9985d6ef702b8ffbdbf01efde56f33a6f3941cc3", kill_on_drop: false }` [INFO] [stdout] 593d06875d34350496104cdc9985d6ef702b8ffbdbf01efde56f33a6f3941cc3 [INFO] checking starling-4.0.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate starling 4.0.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate starling 4.0.0 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate starling 4.0.0 [INFO] finished tweaking crates.io crate starling 4.0.0 [INFO] tweaked toml for crates.io crate starling 4.0.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate starling 4.0.0 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b38287639c4c7d1a01211558e1bf8eaf26205e4ee2da2f9611b51d33f4567ced [INFO] running `Command { std: "docker" "start" "-a" "b38287639c4c7d1a01211558e1bf8eaf26205e4ee2da2f9611b51d33f4567ced", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b38287639c4c7d1a01211558e1bf8eaf26205e4ee2da2f9611b51d33f4567ced", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b38287639c4c7d1a01211558e1bf8eaf26205e4ee2da2f9611b51d33f4567ced", kill_on_drop: false }` [INFO] [stdout] b38287639c4c7d1a01211558e1bf8eaf26205e4ee2da2f9611b51d33f4567ced [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d14e5936a29c6f2ceadc95fd83ad49fdbf960311a2a31319b3efdc79d4781ba2 [INFO] running `Command { std: "docker" "start" "-a" "d14e5936a29c6f2ceadc95fd83ad49fdbf960311a2a31319b3efdc79d4781ba2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling serde v1.0.138 [INFO] [stderr] Compiling semver v1.0.12 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.12.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Compiling syn v1.0.98 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking unicode-width v0.1.9 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.10.3 [INFO] [stderr] Compiling starling v4.0.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking regex-syntax v0.6.26 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/merkle_bit.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/utils/tree_utils.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex v1.5.6 [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Compiling serde_derive v1.0.138 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_json v1.0.82 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/merkle_bit.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `choose_zero` is imported redundantly [INFO] [stdout] --> src/merkle_bit.rs:924:9 [INFO] [stdout] | [INFO] [stdout] 924 | use crate::utils::tree_utils::choose_zero; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 925 | [INFO] [stdout] 926 | use super::*; [INFO] [stdout] | -------- the item `choose_zero` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/utils/tree_utils.rs:15:5 [INFO] [stdout] | [INFO] [stdout] 15 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1081:14 [INFO] [stdout] | [INFO] [stdout] 1081 | for &res in result.0 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1085:14 [INFO] [stdout] | [INFO] [stdout] 1085 | for &res in result.1 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1111:14 [INFO] [stdout] | [INFO] [stdout] 1111 | for &res in result.0 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `res` [INFO] [stdout] --> src/merkle_bit.rs:1115:14 [INFO] [stdout] | [INFO] [stdout] 1115 | for &res in result.1 { [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_res` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.63s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [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" "d14e5936a29c6f2ceadc95fd83ad49fdbf960311a2a31319b3efdc79d4781ba2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d14e5936a29c6f2ceadc95fd83ad49fdbf960311a2a31319b3efdc79d4781ba2", kill_on_drop: false }` [INFO] [stdout] d14e5936a29c6f2ceadc95fd83ad49fdbf960311a2a31319b3efdc79d4781ba2