[INFO] fetching crate binstore 0.2.0... [INFO] checking binstore-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate binstore 0.2.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate binstore 0.2.0 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 binstore 0.2.0 [INFO] finished tweaking crates.io crate binstore 0.2.0 [INFO] tweaked toml for crates.io crate binstore 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate crates.io crate binstore 0.2.0 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] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cargo_metadata v0.6.4 [INFO] [stderr] Downloaded rand_core v0.4.0 [INFO] [stderr] Downloaded redox_syscall v0.1.54 [INFO] [stderr] Downloaded cfg-if v0.1.9 [INFO] [stderr] Downloaded redox_termios v0.1.1 [INFO] [stderr] Downloaded assert_matches v1.3.0 [INFO] [stderr] Downloaded quick-error v1.2.2 [INFO] [stderr] Downloaded quote v0.6.12 [INFO] [stderr] Downloaded numtoa v0.1.0 [INFO] [stderr] Downloaded memchr v2.2.0 [INFO] [stderr] Downloaded bincode v1.1.4 [INFO] [stderr] Downloaded aho-corasick v0.7.3 [INFO] [stderr] Downloaded chrono v0.4.6 [INFO] [stderr] Downloaded clap v2.32.0 [INFO] [stderr] Downloaded backtrace-sys v0.1.28 [INFO] [stderr] Downloaded regex v1.1.7 [INFO] [stderr] Downloaded pulldown-cmark v0.2.0 [INFO] [stderr] Downloaded winapi v0.3.7 [INFO] [stderr] Downloaded rand v0.4.6 [INFO] [stderr] Downloaded lz4 v1.23.1 [INFO] [stderr] Downloaded lz4-sys v1.8.3 [INFO] [stderr] Downloaded wincolor v1.0.1 [INFO] [stderr] Downloaded regex-syntax v0.6.6 [INFO] [stderr] Downloaded serde v1.0.91 [INFO] [stderr] Downloaded serde_json v1.0.39 [INFO] [stderr] Downloaded libc v0.2.55 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded backtrace v0.3.26 [INFO] [stderr] Downloaded proptest v0.9.3 [INFO] [stderr] Downloaded syn v0.15.34 [INFO] [stderr] Downloaded serde_derive v1.0.91 [INFO] [stderr] Downloaded num-integer v0.1.41 [INFO] [stderr] Downloaded time v0.1.42 [INFO] [stderr] Downloaded textwrap v0.10.0 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded humantime v1.2.0 [INFO] [stderr] Downloaded termcolor v1.0.5 [INFO] [stderr] Downloaded env_logger v0.6.1 [INFO] [stderr] Downloaded log v0.4.6 [INFO] [stderr] Downloaded error-chain v0.12.1 [INFO] [stderr] Downloaded tempdir v0.3.7 [INFO] [stderr] Downloaded walkdir v2.2.7 [INFO] [stderr] Downloaded ucd-util v0.1.3 [INFO] [stderr] Downloaded rusty-fork v0.2.2 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded byteorder v1.3.1 [INFO] [stderr] Downloaded lazy_static v1.3.0 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded termion v1.5.2 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded utf8-ranges v1.0.3 [INFO] [stderr] Downloaded bytecount v0.4.0 [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded same-file v1.0.4 [INFO] [stderr] Downloaded winapi-util v0.1.2 [INFO] [stderr] Downloaded bit-vec v0.5.1 [INFO] [stderr] Downloaded bit-set v0.5.1 [INFO] [stderr] Downloaded fnv v1.0.6 [INFO] [stderr] Downloaded itoa v0.4.4 [INFO] [stderr] Downloaded skeptic v0.13.4 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded remove_dir_all v0.5.1 [INFO] [stderr] Downloaded tempfile v3.0.8 [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] 0d6c9711e8792a63dbea6be6d6846cefb56c3aabb50922ef46a5d6164f3da3e8 [INFO] running `Command { std: "docker" "start" "-a" "0d6c9711e8792a63dbea6be6d6846cefb56c3aabb50922ef46a5d6164f3da3e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d6c9711e8792a63dbea6be6d6846cefb56c3aabb50922ef46a5d6164f3da3e8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d6c9711e8792a63dbea6be6d6846cefb56c3aabb50922ef46a5d6164f3da3e8", kill_on_drop: false }` [INFO] [stdout] 0d6c9711e8792a63dbea6be6d6846cefb56c3aabb50922ef46a5d6164f3da3e8 [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] 35a4a3671db64ce83dc19b09566834110ee81057bcc58aec84a66430cb7f4a88 [INFO] running `Command { std: "docker" "start" "-a" "35a4a3671db64ce83dc19b09566834110ee81057bcc58aec84a66430cb7f4a88", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling lz4-sys v1.8.3 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Checking bit-set v0.5.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.3 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling lz4 v1.23.1 [INFO] [stderr] Checking binstore v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:349:6 [INFO] [stdout] | [INFO] [stdout] 349 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:353:6 [INFO] [stdout] | [INFO] [stdout] 353 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:349:6 [INFO] [stdout] | [INFO] [stdout] 349 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:353:6 [INFO] [stdout] | [INFO] [stdout] 353 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/bucket.rs:591:9 [INFO] [stdout] | [INFO] [stdout] 591 | use crate::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 595 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BTreeSet` is imported redundantly [INFO] [stdout] --> src/bucket.rs:594:9 [INFO] [stdout] | [INFO] [stdout] 594 | use std::collections::BTreeSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 595 | use super::*; [INFO] [stdout] | -------- the item `BTreeSet` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stdout] --> src/bucket.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 242 | encoder.finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bucket.rs:685:17 [INFO] [stdout] | [INFO] [stdout] 685 | let mut b = BTreeSet::new(); [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: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stdout] --> src/bucket.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 242 | encoder.finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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 25.17s [INFO] running `Command { std: "docker" "inspect" "35a4a3671db64ce83dc19b09566834110ee81057bcc58aec84a66430cb7f4a88", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35a4a3671db64ce83dc19b09566834110ee81057bcc58aec84a66430cb7f4a88", kill_on_drop: false }` [INFO] [stdout] 35a4a3671db64ce83dc19b09566834110ee81057bcc58aec84a66430cb7f4a88 [INFO] checking binstore-0.2.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate binstore 0.2.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate binstore 0.2.0 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 binstore 0.2.0 [INFO] finished tweaking crates.io crate binstore 0.2.0 [INFO] tweaked toml for crates.io crate binstore 0.2.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] crate crates.io crate binstore 0.2.0 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] 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] f3e3fc27d3d31c3486de89c5ecd8733c914cb15433c3de9bf4b0ba303a9d506f [INFO] running `Command { std: "docker" "start" "-a" "f3e3fc27d3d31c3486de89c5ecd8733c914cb15433c3de9bf4b0ba303a9d506f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f3e3fc27d3d31c3486de89c5ecd8733c914cb15433c3de9bf4b0ba303a9d506f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f3e3fc27d3d31c3486de89c5ecd8733c914cb15433c3de9bf4b0ba303a9d506f", kill_on_drop: false }` [INFO] [stdout] f3e3fc27d3d31c3486de89c5ecd8733c914cb15433c3de9bf4b0ba303a9d506f [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] 5d91abdc973ccaeba6d92ebb328c6832cc584392b120a14dd02405153eb3992b [INFO] running `Command { std: "docker" "start" "-a" "5d91abdc973ccaeba6d92ebb328c6832cc584392b120a14dd02405153eb3992b", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.55 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling syn v0.15.34 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Compiling serde v1.0.91 [INFO] [stderr] Checking rand_core v0.4.0 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling rustc-demangle v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Compiling error-chain v0.12.1 [INFO] [stderr] Compiling backtrace v0.3.26 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling quote v0.6.12 [INFO] [stderr] Compiling num-integer v0.1.41 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Checking rand_xorshift v0.1.1 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking rand_hc v0.1.0 [INFO] [stderr] Checking rand_isaac v0.1.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking bit-vec v0.5.1 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling lz4-sys v1.8.3 [INFO] [stderr] Compiling tempdir v0.3.7 [INFO] [stderr] Checking bit-set v0.5.1 [INFO] [stderr] Checking chrono v0.4.6 [INFO] [stderr] Checking tempfile v3.0.8 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking proptest v0.9.3 [INFO] [stderr] Compiling serde_derive v1.0.91 [INFO] [stderr] Checking env_logger v0.6.1 [INFO] [stderr] Checking serde_json v1.0.39 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling lz4 v1.23.1 [INFO] [stderr] Checking binstore v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:349:6 [INFO] [stdout] | [INFO] [stdout] 349 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:353:6 [INFO] [stdout] | [INFO] [stdout] 353 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:349:6 [INFO] [stdout] | [INFO] [stdout] 349 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/bucket.rs:353:6 [INFO] [stdout] | [INFO] [stdout] 353 | }; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Error` is imported redundantly [INFO] [stdout] --> src/bucket.rs:591:9 [INFO] [stdout] | [INFO] [stdout] 591 | use crate::error::Error; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 595 | use super::*; [INFO] [stdout] | -------- the item `Error` is already imported here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `BTreeSet` is imported redundantly [INFO] [stdout] --> src/bucket.rs:594:9 [INFO] [stdout] | [INFO] [stdout] 594 | use std::collections::BTreeSet; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 595 | use super::*; [INFO] [stdout] | -------- the item `BTreeSet` is already imported here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stdout] --> src/bucket.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 242 | encoder.finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/bucket.rs:685:17 [INFO] [stdout] | [INFO] [stdout] 685 | let mut b = BTreeSet::new(); [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: unused `std::result::Result` in tuple element 1 that must be used [INFO] [stdout] --> src/bucket.rs:242:5 [INFO] [stdout] | [INFO] [stdout] 242 | encoder.finish(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [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 27.82s [INFO] running `Command { std: "docker" "inspect" "5d91abdc973ccaeba6d92ebb328c6832cc584392b120a14dd02405153eb3992b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d91abdc973ccaeba6d92ebb328c6832cc584392b120a14dd02405153eb3992b", kill_on_drop: false }` [INFO] [stdout] 5d91abdc973ccaeba6d92ebb328c6832cc584392b120a14dd02405153eb3992b