[INFO] cloning repository https://github.com/favilo/kompression [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/favilo/kompression" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fkompression", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fkompression'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 363eb2c825e35e058cc23426c19779e68312b30d [INFO] checking favilo/kompression against master#e652caa679a304af11fc04f1f12452f255a82593 for pr-98000 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffavilo%2Fkompression" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/favilo/kompression on toolchain e652caa679a304af11fc04f1f12452f255a82593 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/favilo/kompression [INFO] finished tweaking git repo https://github.com/favilo/kompression [INFO] tweaked toml for git repo https://github.com/favilo/kompression written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/favilo/kompression already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded thiserror-impl v1.0.25 [INFO] [stderr] Downloaded quickcheck_macros v1.0.0 [INFO] [stderr] Downloaded thiserror v1.0.25 [INFO] [stderr] Downloaded nibble_vec v0.1.0 [INFO] [stderr] Downloaded radix_trie v0.2.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 99ea3989b1036837aa1620c262dad75dc039aba7debe09737f1b7f1ca7cbf333 [INFO] running `Command { std: "docker" "start" "-a" "99ea3989b1036837aa1620c262dad75dc039aba7debe09737f1b7f1ca7cbf333", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "99ea3989b1036837aa1620c262dad75dc039aba7debe09737f1b7f1ca7cbf333", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99ea3989b1036837aa1620c262dad75dc039aba7debe09737f1b7f1ca7cbf333", kill_on_drop: false }` [INFO] [stdout] 99ea3989b1036837aa1620c262dad75dc039aba7debe09737f1b7f1ca7cbf333 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+e652caa679a304af11fc04f1f12452f255a82593" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] dd44c8d0fceceeadd4bd54aac50b01619d826c137c867024117d53f91ea28500 [INFO] running `Command { std: "docker" "start" "-a" "dd44c8d0fceceeadd4bd54aac50b01619d826c137c867024117d53f91ea28500", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.95 [INFO] [stderr] Compiling proc-macro2 v1.0.27 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Compiling syn v1.0.72 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Compiling radium v0.6.2 [INFO] [stderr] Checking termcolor v1.1.2 [INFO] [stderr] Checking tap v1.0.1 [INFO] [stderr] Checking smallvec v1.6.1 [INFO] [stderr] Checking humantime v2.1.0 [INFO] [stderr] Compiling anyhow v1.0.40 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking funty v1.2.0 [INFO] [stderr] Checking wyz v0.4.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Checking bitvec v0.22.3 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking getrandom v0.2.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.2 [INFO] [stderr] Checking rand v0.8.3 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stderr] Compiling thiserror-impl v1.0.25 [INFO] [stderr] Compiling quickcheck_macros v1.0.0 [INFO] [stderr] Checking thiserror v1.0.25 [INFO] [stderr] Checking kompression v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `array::BitArray`, `bitarr`, `bitvec`, `slice::BitSlice`, `store::BitStore` [INFO] [stdout] --> src/lz78/compress.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | array::BitArray, bitarr, bitvec, field::BitField, order::Msb0, prelude::BitVec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^ [INFO] [stdout] 5 | slice::BitSlice, store::BitStore, view::BitView, [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BitChunk` [INFO] [stdout] --> src/lz78/compress.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | lz78::{code::Code, BitChunk, MAX_BITS}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::MAX_BYTES` [INFO] [stdout] --> src/lz78/compress.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use super::MAX_BYTES; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `array::BitArray`, `bitarr`, `bitvec`, `slice::BitSlice`, `store::BitStore` [INFO] [stdout] --> src/lz78/compress.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | array::BitArray, bitarr, bitvec, field::BitField, order::Msb0, prelude::BitVec, [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^ ^^^^^^ [INFO] [stdout] 5 | slice::BitSlice, store::BitStore, view::BitView, [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BitChunk` [INFO] [stdout] --> src/lz78/compress.rs:11:24 [INFO] [stdout] | [INFO] [stdout] 11 | lz78::{code::Code, BitChunk, MAX_BITS}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::MAX_BYTES` [INFO] [stdout] --> src/lz78/compress.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use super::MAX_BYTES; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `partial` [INFO] [stdout] --> src/lz78/mod.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | if let Some(partial) = partial { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partial` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lz78/decompress.rs:81:51 [INFO] [stdout] | [INFO] [stdout] 81 | ... Err(Error::Incomplete(s)) => continue 'outer, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lz78/decompress.rs:102:51 [INFO] [stdout] | [INFO] [stdout] 102 | ... Err(Error::Incomplete(s)) => continue 'outer, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_slice` [INFO] [stdout] --> src/lz78/mod.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | pub(crate) fn from_slice(data: &[u8]) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `retrieve` [INFO] [stdout] --> src/lz78/mod.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub(crate) fn retrieve(&mut self, bits: usize, partial: Option) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `store` [INFO] [stdout] --> src/lz78/mod.rs:65:19 [INFO] [stdout] | [INFO] [stdout] 65 | pub(crate) fn store(&mut self, mut data: u16, mut bits: usize) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write` [INFO] [stdout] --> src/lz78/mod.rs:94:19 [INFO] [stdout] | [INFO] [stdout] 94 | pub(crate) fn write(&self, w: &mut impl Write) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lz78/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | &v[..data.len()].copy_from_slice(data); [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] 33 | let _ = &v[..data.len()].copy_from_slice(data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `partial` [INFO] [stdout] --> src/lz78/mod.rs:47:21 [INFO] [stdout] | [INFO] [stdout] 47 | if let Some(partial) = partial { [INFO] [stdout] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_partial` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lz78/decompress.rs:81:51 [INFO] [stdout] | [INFO] [stdout] 81 | ... Err(Error::Incomplete(s)) => continue 'outer, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/lz78/decompress.rs:102:51 [INFO] [stdout] | [INFO] [stdout] 102 | ... Err(Error::Incomplete(s)) => continue 'outer, [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `from_slice` [INFO] [stdout] --> src/lz78/mod.rs:30:19 [INFO] [stdout] | [INFO] [stdout] 30 | pub(crate) fn from_slice(data: &[u8]) -> Self { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `retrieve` [INFO] [stdout] --> src/lz78/mod.rs:40:19 [INFO] [stdout] | [INFO] [stdout] 40 | pub(crate) fn retrieve(&mut self, bits: usize, partial: Option) -> Result { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `store` [INFO] [stdout] --> src/lz78/mod.rs:65:19 [INFO] [stdout] | [INFO] [stdout] 65 | pub(crate) fn store(&mut self, mut data: u16, mut bits: usize) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `write` [INFO] [stdout] --> src/lz78/mod.rs:94:19 [INFO] [stdout] | [INFO] [stdout] 94 | pub(crate) fn write(&self, w: &mut impl Write) -> Result { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lz78/mod.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | &v[..data.len()].copy_from_slice(data); [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] 33 | let _ = &v[..data.len()].copy_from_slice(data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.06s [INFO] running `Command { std: "docker" "inspect" "dd44c8d0fceceeadd4bd54aac50b01619d826c137c867024117d53f91ea28500", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dd44c8d0fceceeadd4bd54aac50b01619d826c137c867024117d53f91ea28500", kill_on_drop: false }` [INFO] [stdout] dd44c8d0fceceeadd4bd54aac50b01619d826c137c867024117d53f91ea28500