[INFO] fetching crate lz-fear 0.1.1... [INFO] building lz-fear-0.1.1 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3 [INFO] extracting crate lz-fear 0.1.1 into /workspace/builds/worker-31/source [INFO] validating manifest of crates.io crate lz-fear 0.1.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate lz-fear 0.1.1 [INFO] finished tweaking crates.io crate lz-fear 0.1.1 [INFO] tweaked toml for crates.io crate lz-fear 0.1.1 written to /workspace/builds/worker-31/source/Cargo.toml [INFO] crate crates.io crate lz-fear 0.1.1 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tinytemplate v1.0.3 [INFO] [stderr] Downloaded unicode-xid v0.2.0 [INFO] [stderr] Downloaded itoa v0.4.5 [INFO] [stderr] Downloaded ryu v1.0.3 [INFO] [stderr] Downloaded serde v1.0.106 [INFO] [stderr] Downloaded regex-syntax v0.6.17 [INFO] [stderr] Downloaded oorandom v11.1.0 [INFO] [stderr] Downloaded regex v1.3.6 [INFO] [stderr] Downloaded js-sys v0.3.37 [INFO] [stderr] Downloaded unicode-width v0.1.7 [INFO] [stderr] Downloaded criterion-plot v0.4.1 [INFO] [stderr] Downloaded criterion v0.3.1 [INFO] [stderr] Downloaded syn v1.0.17 [INFO] [stderr] Downloaded atty v0.2.14 [INFO] [stderr] Downloaded byteorder v1.3.4 [INFO] [stderr] Downloaded getrandom v0.1.14 [INFO] [stderr] Downloaded num-traits v0.2.11 [INFO] [stderr] Downloaded crossbeam-utils v0.7.2 [INFO] [stderr] Downloaded memoffset v0.5.4 [INFO] [stderr] Downloaded autocfg v1.0.0 [INFO] [stderr] Downloaded itertools v0.8.2 [INFO] [stderr] Downloaded rayon-core v1.7.0 [INFO] [stderr] Downloaded ppv-lite86 v0.2.6 [INFO] [stderr] Downloaded crossbeam-epoch v0.8.2 [INFO] [stderr] Downloaded rand_hc v0.2.0 [INFO] [stderr] Downloaded quote v1.0.3 [INFO] [stderr] Downloaded bitflags v1.2.1 [INFO] [stderr] Downloaded either v1.5.3 [INFO] [stderr] Downloaded crossbeam-queue v0.2.1 [INFO] [stderr] Downloaded twox-hash v1.5.0 [INFO] [stderr] Downloaded wasm-bindgen-shared v0.2.60 [INFO] [stderr] Downloaded cast v0.2.3 [INFO] [stderr] Downloaded bstr v0.2.12 [INFO] [stderr] Downloaded wasm-bindgen-backend v0.2.60 [INFO] [stderr] Downloaded winapi-util v0.1.4 [INFO] [stderr] Downloaded crossbeam-deque v0.7.3 [INFO] [stderr] Downloaded semver v0.9.0 [INFO] [stderr] Downloaded memchr v2.3.3 [INFO] [stderr] Downloaded maybe-uninit v2.0.0 [INFO] [stderr] Downloaded same-file v1.0.6 [INFO] [stderr] Downloaded textwrap v0.11.0 [INFO] [stderr] Downloaded semver-parser v0.7.0 [INFO] [stderr] Downloaded rustc_version v0.2.3 [INFO] [stderr] Downloaded regex-automata v0.1.9 [INFO] [stderr] 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[INFO] [stderr] Downloaded bumpalo v3.2.1 [INFO] [stderr] Downloaded winapi-x86_64-pc-windows-gnu v0.4.0 [INFO] [stderr] Downloaded plotters v0.2.12 [INFO] [stderr] Downloaded winapi-i686-pc-windows-gnu v0.4.0 [INFO] [stderr] Downloaded wasm-bindgen-macro-support v0.2.60 [INFO] [stderr] Downloaded wasm-bindgen v0.2.60 [INFO] [stderr] Downloaded wasm-bindgen-macro v0.2.60 [INFO] [stderr] Downloaded hermit-abi v0.1.10 [INFO] [stderr] Downloaded serde_derive v1.0.106 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f299c00712338d8f048c6c4dd6e777d45c14b0bcb2c3adaad5ae3e093b20d64a [INFO] running `Command { std: "docker" "start" "-a" "f299c00712338d8f048c6c4dd6e777d45c14b0bcb2c3adaad5ae3e093b20d64a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f299c00712338d8f048c6c4dd6e777d45c14b0bcb2c3adaad5ae3e093b20d64a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f299c00712338d8f048c6c4dd6e777d45c14b0bcb2c3adaad5ae3e093b20d64a", kill_on_drop: false }` [INFO] [stdout] f299c00712338d8f048c6c4dd6e777d45c14b0bcb2c3adaad5ae3e093b20d64a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6024094665d82cde7f489ab18e517cb7f7817de145374ae8816c3dee0a6f4a3 [INFO] running `Command { std: "docker" "start" "-a" "c6024094665d82cde7f489ab18e517cb7f7817de145374ae8816c3dee0a6f4a3", 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] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling twox-hash v1.5.0 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling fehler-macros v1.0.0 [INFO] [stderr] Compiling thiserror-impl v1.0.14 [INFO] [stderr] Compiling thiserror v1.0.14 [INFO] [stderr] Compiling fehler v1.0.0 [INFO] [stderr] Compiling lz-fear v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/framed/decompress.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | &mut buf[..bytes_to_take].copy_from_slice(&mybuf[..bytes_to_take]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = &mut buf[..bytes_to_take].copy_from_slice(&mybuf[..bytes_to_take]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.58s [INFO] running `Command { std: "docker" "inspect" "c6024094665d82cde7f489ab18e517cb7f7817de145374ae8816c3dee0a6f4a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6024094665d82cde7f489ab18e517cb7f7817de145374ae8816c3dee0a6f4a3", kill_on_drop: false }` [INFO] [stdout] c6024094665d82cde7f489ab18e517cb7f7817de145374ae8816c3dee0a6f4a3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3695c1b4a9293575c823d73d7de69c97b9355a44306a6abed1557b170d139230 [INFO] running `Command { std: "docker" "start" "-a" "3695c1b4a9293575c823d73d7de69c97b9355a44306a6abed1557b170d139230", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling libc v0.2.68 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling either v1.5.3 [INFO] [stderr] Compiling unicode-width v0.1.7 [INFO] [stderr] Compiling regex-syntax v0.6.17 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling ppv-lite86 v0.2.6 [INFO] [stderr] Compiling oorandom v11.1.0 [INFO] [stderr] Compiling regex-automata v0.1.9 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/framed/decompress.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | &mut buf[..bytes_to_take].copy_from_slice(&mybuf[..bytes_to_take]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = &mut buf[..bytes_to_take].copy_from_slice(&mybuf[..bytes_to_take]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling walkdir v2.3.1 [INFO] [stderr] Compiling itertools v0.8.2 [INFO] [stderr] Compiling textwrap v0.11.0 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling clap v2.33.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling csv-core v0.1.10 [INFO] [stderr] Compiling cast v0.2.3 [INFO] [stderr] Compiling num_cpus v1.12.0 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling regex v1.3.6 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling crossbeam-queue v0.2.1 [INFO] [stderr] Compiling plotters v0.2.12 [INFO] [stderr] Compiling criterion-plot v0.4.1 [INFO] [stderr] Compiling crossbeam-deque v0.7.3 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling bstr v0.2.12 [INFO] [stderr] Compiling serde_json v1.0.51 [INFO] [stderr] Compiling csv v1.1.3 [INFO] [stderr] Compiling tinytemplate v1.0.3 [INFO] [stderr] Compiling criterion v0.3.1 [INFO] [stderr] Compiling lz-fear v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: couldn't read /usr/bin/cargo: No such file or directory (os error 2) [INFO] [stdout] --> tests/output_equivalence.rs:70:49 [INFO] [stdout] | [INFO] [stdout] 70 | settings.dictionary(0, /*DICT_DATA*/include_bytes!("/usr/bin/cargo")).dictionary_id_nonsense_override(None); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this error originates in the macro `include_bytes` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::path::Path` [INFO] [stdout] --> tests/output_equivalence.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::Path; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::ffi::OsStr` [INFO] [stdout] --> tests/output_equivalence.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::ffi::OsStr; [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `lz4_reader` [INFO] [stdout] --> examples/roundtrip.rs:16:13 [INFO] [stdout] | [INFO] [stdout] 16 | let mut lz4_reader = LZ4FrameReader::new(Cursor::new(output)) [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_lz4_reader` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/roundtrip.rs:16:9 [INFO] [stdout] | [INFO] [stdout] 16 | let mut lz4_reader = LZ4FrameReader::new(Cursor::new(output)) [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: unreachable statement [INFO] [stdout] --> tests/output_equivalence.rs:65:13 [INFO] [stdout] | [INFO] [stdout] 64 | continue; [INFO] [stdout] | -------- any code following this expression is unreachable [INFO] [stdout] 65 | settings.block_size(256 * 1024); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `lz-fear` due to 2 previous errors; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/framed/decompress.rs:57:9 [INFO] [stdout] | [INFO] [stdout] 57 | &mut buf[..bytes_to_take].copy_from_slice(&mybuf[..bytes_to_take]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 57 | let _ = &mut buf[..bytes_to_take].copy_from_slice(&mybuf[..bytes_to_take]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: build failed [INFO] running `Command { std: "docker" "inspect" "3695c1b4a9293575c823d73d7de69c97b9355a44306a6abed1557b170d139230", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3695c1b4a9293575c823d73d7de69c97b9355a44306a6abed1557b170d139230", kill_on_drop: false }` [INFO] [stdout] 3695c1b4a9293575c823d73d7de69c97b9355a44306a6abed1557b170d139230