[INFO] cloning repository https://github.com/vi/dnscache [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vi/dnscache" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fdnscache", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fdnscache'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 1a8461b24bc03f4194d30da53629b3e3de2e7232 [INFO] checking vi/dnscache against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fdnscache" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vi/dnscache 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 git repo https://github.com/vi/dnscache [INFO] finished tweaking git repo https://github.com/vi/dnscache [INFO] tweaked toml for git repo https://github.com/vi/dnscache written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/vi/dnscache 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 structopt-derive v0.2.7 [INFO] [stderr] Downloaded println_logger v0.2.0 [INFO] [stderr] Downloaded serde_bytes v0.10.4 [INFO] [stderr] Downloaded integer-encoding v1.0.5 [INFO] [stderr] Downloaded clamp v0.1.0 [INFO] [stderr] Downloaded multimap v0.4.0 [INFO] [stderr] Downloaded crc v1.7.0 [INFO] [stderr] Downloaded rusty-leveldb v0.2.3 [INFO] [stderr] Downloaded compactmap v0.3.7 [INFO] [stderr] Downloaded dns-parser v0.7.1 [INFO] [stderr] Downloaded snap v0.2.4 [INFO] [stderr] Downloaded structopt v0.2.7 [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] 1edbb022eb34e8c776e34cae185eecda354cf7296924d55a6c903ea719ebcbd0 [INFO] running `Command { std: "docker" "start" "-a" "1edbb022eb34e8c776e34cae185eecda354cf7296924d55a6c903ea719ebcbd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1edbb022eb34e8c776e34cae185eecda354cf7296924d55a6c903ea719ebcbd0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1edbb022eb34e8c776e34cae185eecda354cf7296924d55a6c903ea719ebcbd0", kill_on_drop: false }` [INFO] [stdout] 1edbb022eb34e8c776e34cae185eecda354cf7296924d55a6c903ea719ebcbd0 [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] 274cb5a62c02a2e326ee9348cafe6100c298f09c1c415372c25abbe3f8701935 [INFO] running `Command { std: "docker" "start" "-a" "274cb5a62c02a2e326ee9348cafe6100c298f09c1c415372c25abbe3f8701935", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking serde v1.0.43 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking integer-encoding v1.0.5 [INFO] [stderr] Checking compactmap v0.3.7 [INFO] [stderr] Checking clamp v0.1.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling proc-macro2 v0.3.7 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling crc v1.7.0 [INFO] [stderr] Checking println_logger v0.2.0 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking snap v0.2.4 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Checking dns-parser v0.7.1 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking rusty-leveldb v0.2.3 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Compiling structopt-derive v0.2.7 [INFO] [stderr] Compiling serde_derive v1.0.43 [INFO] [stderr] Checking multimap v0.4.0 [INFO] [stderr] Checking serde_bytes v0.10.4 [INFO] [stderr] Checking serde_cbor v0.8.2 [INFO] [stderr] Checking structopt v0.2.7 [INFO] [stderr] Checking dnscache v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:92:39 [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:92:39 [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/details.rs:436:19 [INFO] [stdout] | [INFO] [stdout] 436 | for (dom, mut entry) in tmp { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/details.rs:88:20 [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(usize), [INFO] [stdout] | -------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/details.rs:436:19 [INFO] [stdout] | [INFO] [stdout] 436 | for (dom, mut entry) in tmp { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/details.rs:88:20 [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(usize), [INFO] [stdout] | -------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.07s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.4, syn v0.13.1 [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" "274cb5a62c02a2e326ee9348cafe6100c298f09c1c415372c25abbe3f8701935", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "274cb5a62c02a2e326ee9348cafe6100c298f09c1c415372c25abbe3f8701935", kill_on_drop: false }` [INFO] [stdout] 274cb5a62c02a2e326ee9348cafe6100c298f09c1c415372c25abbe3f8701935 [INFO] checking vi/dnscache against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvi%2Fdnscache" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/vi/dnscache 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 git repo https://github.com/vi/dnscache [INFO] finished tweaking git repo https://github.com/vi/dnscache [INFO] tweaked toml for git repo https://github.com/vi/dnscache written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/vi/dnscache 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] 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] a5c1febfa29350c1ff7bc174ef7bb26213431dd885223b4f1ac842072262aefd [INFO] running `Command { std: "docker" "start" "-a" "a5c1febfa29350c1ff7bc174ef7bb26213431dd885223b4f1ac842072262aefd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5c1febfa29350c1ff7bc174ef7bb26213431dd885223b4f1ac842072262aefd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5c1febfa29350c1ff7bc174ef7bb26213431dd885223b4f1ac842072262aefd", kill_on_drop: false }` [INFO] [stdout] a5c1febfa29350c1ff7bc174ef7bb26213431dd885223b4f1ac842072262aefd [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] 437fb04034f4245beab29240632fca378bab9da0d1d36dc83576930a743e303d [INFO] running `Command { std: "docker" "start" "-a" "437fb04034f4245beab29240632fca378bab9da0d1d36dc83576930a743e303d", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Checking byteorder v1.2.2 [INFO] [stderr] Compiling build_const v0.2.1 [INFO] [stderr] Checking unicode-width v0.1.4 [INFO] [stderr] Checking serde v1.0.43 [INFO] [stderr] Checking atty v0.2.9 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.0 [INFO] [stderr] Checking bitflags v1.0.1 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking cfg-if v0.1.2 [INFO] [stderr] Checking lazy_static v1.0.0 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking quick-error v1.2.1 [INFO] [stderr] Checking integer-encoding v1.0.5 [INFO] [stderr] Checking clamp v0.1.0 [INFO] [stderr] Checking log v0.4.1 [INFO] [stderr] Compiling proc-macro2 v0.3.7 [INFO] [stderr] Checking compactmap v0.3.7 [INFO] [stderr] Checking textwrap v0.9.0 [INFO] [stderr] Compiling crc v1.7.0 [INFO] [stderr] Checking println_logger v0.2.0 [INFO] [stderr] Checking clap v2.31.2 [INFO] [stderr] Checking snap v0.2.4 [INFO] [stderr] Checking dns-parser v0.7.1 [INFO] [stderr] Checking bytes v0.4.6 [INFO] [stderr] Compiling quote v0.5.2 [INFO] [stderr] Compiling syn v0.13.1 [INFO] [stderr] Checking rusty-leveldb v0.2.3 [INFO] [stderr] Compiling serde_derive_internals v0.23.1 [INFO] [stderr] Compiling structopt-derive v0.2.7 [INFO] [stderr] Compiling serde_derive v1.0.43 [INFO] [stderr] Checking serde_cbor v0.8.2 [INFO] [stderr] Checking serde_bytes v0.10.4 [INFO] [stderr] Checking multimap v0.4.0 [INFO] [stderr] Checking structopt v0.2.7 [INFO] [stderr] Checking dnscache v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:92:39 [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stdout] --> src/lib.rs:92:39 [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021! [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stdout] help: if this is an object-safe trait, use `dyn` [INFO] [stdout] | [INFO] [stdout] 92 | pub type BoxResult = Result>; [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/details.rs:436:19 [INFO] [stdout] | [INFO] [stdout] 436 | for (dom, mut entry) in tmp { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/details.rs:88:20 [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(usize), [INFO] [stdout] | -------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/details.rs:436:19 [INFO] [stdout] | [INFO] [stdout] 436 | for (dom, mut entry) in tmp { [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/details.rs:88:20 [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(usize), [INFO] [stdout] | -------------- ^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 88 | UnknownsRemain(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | #[macro_use] [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] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.21s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: snap v0.2.4, syn v0.13.1 [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" "437fb04034f4245beab29240632fca378bab9da0d1d36dc83576930a743e303d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "437fb04034f4245beab29240632fca378bab9da0d1d36dc83576930a743e303d", kill_on_drop: false }` [INFO] [stdout] 437fb04034f4245beab29240632fca378bab9da0d1d36dc83576930a743e303d