[INFO] fetching crate binstore 0.2.0... [INFO] checking binstore-0.2.0 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate binstore 0.2.0 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate binstore 0.2.0 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", 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-7/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: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0eb4f603171ccaa9f443298116bfbf96fdd4e765789babdf32c000c36d428ad0 [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" "0eb4f603171ccaa9f443298116bfbf96fdd4e765789babdf32c000c36d428ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0eb4f603171ccaa9f443298116bfbf96fdd4e765789babdf32c000c36d428ad0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0eb4f603171ccaa9f443298116bfbf96fdd4e765789babdf32c000c36d428ad0", kill_on_drop: false }` [INFO] [stdout] 0eb4f603171ccaa9f443298116bfbf96fdd4e765789babdf32c000c36d428ad0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] e7ab4abc6da2a0ce2044ba183673a75a8a5d865546c839e715fcd91f754ba74e [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" "e7ab4abc6da2a0ce2044ba183673a75a8a5d865546c839e715fcd91f754ba74e", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling libc v0.2.55 [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 rustc-demangle v0.1.14 [INFO] [stderr] Compiling cfg-if v0.1.9 [INFO] [stderr] Compiling itoa v0.4.4 [INFO] [stderr] Compiling remove_dir_all v0.5.1 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling same-file v1.0.4 [INFO] [stderr] Compiling bitflags v1.0.4 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling bytecount v0.4.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling regex v1.1.7 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking utf8-ranges v1.0.3 [INFO] [stderr] Checking termcolor v1.0.5 [INFO] [stderr] Checking assert_matches v1.3.0 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling walkdir v2.2.7 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking regex-syntax v0.6.6 [INFO] [stderr] Checking rand_core v0.3.1 [INFO] [stderr] Checking rand_jitter v0.1.4 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [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 error-chain v0.12.1 [INFO] [stderr] Compiling quote v0.6.12 [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 num-integer v0.1.41 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling bincode v1.1.4 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Checking aho-corasick v0.7.3 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking time v0.1.42 [INFO] [stderr] Checking wait-timeout v0.2.0 [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 tempfile v3.0.8 [INFO] [stderr] Checking rusty-fork v0.2.2 [INFO] [stderr] Checking chrono v0.4.6 [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: 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: `#[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: 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: `#[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: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 18s [INFO] running `Command { std: "docker" "inspect" "e7ab4abc6da2a0ce2044ba183673a75a8a5d865546c839e715fcd91f754ba74e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e7ab4abc6da2a0ce2044ba183673a75a8a5d865546c839e715fcd91f754ba74e", kill_on_drop: false }` [INFO] [stdout] e7ab4abc6da2a0ce2044ba183673a75a8a5d865546c839e715fcd91f754ba74e