[INFO] updating cached repository 1wilkens/rs-gzip [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/1wilkens/rs-gzip [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/1wilkens/rs-gzip" "work/ex/beta-1.38-1/sources/1.37.0/gh/1wilkens/rs-gzip"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/1wilkens/rs-gzip'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/1wilkens/rs-gzip" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1wilkens/rs-gzip"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1wilkens/rs-gzip'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 718f27eea62e931abe46d919757616d2882aa9c7 [INFO] sha for GitHub repo 1wilkens/rs-gzip: 718f27eea62e931abe46d919757616d2882aa9c7 [INFO] validating manifest of 1wilkens/rs-gzip on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of 1wilkens/rs-gzip on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing 1wilkens/rs-gzip [INFO] finished frobbing 1wilkens/rs-gzip [INFO] frobbed toml for 1wilkens/rs-gzip written to work/ex/beta-1.38-1/sources/1.37.0/gh/1wilkens/rs-gzip/Cargo.toml [INFO] started frobbing 1wilkens/rs-gzip [INFO] finished frobbing 1wilkens/rs-gzip [INFO] frobbed toml for 1wilkens/rs-gzip written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1wilkens/rs-gzip/Cargo.toml [INFO] crate 1wilkens/rs-gzip already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/1wilkens/rs-gzip/Cargo.lock needs to be updated but --locked was passed to prevent this [INFO] the lockfile is outdated, regenerating it [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing 1wilkens/rs-gzip against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1wilkens/rs-gzip:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 44da08979f0b575a1f88b46b9c033a267b947b73d627936bf092a4a12a879078 [INFO] running `"docker" "start" "-a" "44da08979f0b575a1f88b46b9c033a267b947b73d627936bf092a4a12a879078"` [INFO] [stderr] Compiling bitio v0.0.4 [INFO] [stderr] Compiling rs-gzip v0.0.5 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bit_reader` [INFO] [stderr] --> src/gzip.rs:77:10 [INFO] [stderr] | [INFO] [stderr] 77 | let mut bit_reader = BitReader::new(reader); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_bit_reader` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `verbose` [INFO] [stderr] --> src/gzip.rs:76:41 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn compress(reader: R, verbose: bool) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_verbose` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/gzip.rs:77:6 [INFO] [stderr] | [INFO] [stderr] 77 | let mut bit_reader = BitReader::new(reader); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `meta_data` [INFO] [stderr] --> src/gzip.rs:20:2 [INFO] [stderr] | [INFO] [stderr] 20 | meta_data: MemberMetaData, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `content` [INFO] [stderr] --> src/gzip.rs:21:2 [INFO] [stderr] | [INFO] [stderr] 21 | content: Vec [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `content` [INFO] [stderr] --> src/gzip.rs:45:2 [INFO] [stderr] | [INFO] [stderr] 45 | content: Vec [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `is_last_block` [INFO] [stderr] --> src/gzip.rs:49:2 [INFO] [stderr] | [INFO] [stderr] 49 | is_last_block: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `"docker" "inspect" "44da08979f0b575a1f88b46b9c033a267b947b73d627936bf092a4a12a879078"` [INFO] running `"docker" "rm" "-f" "44da08979f0b575a1f88b46b9c033a267b947b73d627936bf092a4a12a879078"` [INFO] [stdout] 44da08979f0b575a1f88b46b9c033a267b947b73d627936bf092a4a12a879078 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1wilkens/rs-gzip:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] e775f2a16c4daccafc42d49d012c6f8551787f803655cb9d3de0ff9f10e673cf [INFO] running `"docker" "start" "-a" "e775f2a16c4daccafc42d49d012c6f8551787f803655cb9d3de0ff9f10e673cf"` [INFO] [stderr] Compiling rs-gzip v0.0.5 (/opt/crater/workdir) [INFO] [stderr] warning: unused `#[macro_use]` import [INFO] [stderr] --> src/main.rs:1:1 [INFO] [stderr] | [INFO] [stderr] 1 | #[macro_use] [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `bit_reader` [INFO] [stderr] --> src/gzip.rs:77:10 [INFO] [stderr] | [INFO] [stderr] 77 | let mut bit_reader = BitReader::new(reader); [INFO] [stderr] | ^^^^^^^^^^ help: consider prefixing with an underscore: `_bit_reader` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `verbose` [INFO] [stderr] --> src/gzip.rs:76:41 [INFO] [stderr] | [INFO] [stderr] 76 | pub fn compress(reader: R, verbose: bool) { [INFO] [stderr] | ^^^^^^^ help: consider prefixing with an underscore: `_verbose` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/gzip.rs:77:6 [INFO] [stderr] | [INFO] [stderr] 77 | let mut bit_reader = BitReader::new(reader); [INFO] [stderr] | ----^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `meta_data` [INFO] [stderr] --> src/gzip.rs:20:2 [INFO] [stderr] | [INFO] [stderr] 20 | meta_data: MemberMetaData, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `content` [INFO] [stderr] --> src/gzip.rs:21:2 [INFO] [stderr] | [INFO] [stderr] 21 | content: Vec [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `content` [INFO] [stderr] --> src/gzip.rs:45:2 [INFO] [stderr] | [INFO] [stderr] 45 | content: Vec [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: field is never used: `is_last_block` [INFO] [stderr] --> src/gzip.rs:49:2 [INFO] [stderr] | [INFO] [stderr] 49 | is_last_block: bool, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.03s [INFO] running `"docker" "inspect" "e775f2a16c4daccafc42d49d012c6f8551787f803655cb9d3de0ff9f10e673cf"` [INFO] running `"docker" "rm" "-f" "e775f2a16c4daccafc42d49d012c6f8551787f803655cb9d3de0ff9f10e673cf"` [INFO] [stdout] e775f2a16c4daccafc42d49d012c6f8551787f803655cb9d3de0ff9f10e673cf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/1wilkens/rs-gzip:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] d1861bfe956b1feaaec80c20a97146fccd47b8022a7c85ad96027eede9c4b8a4 [INFO] running `"docker" "start" "-a" "d1861bfe956b1feaaec80c20a97146fccd47b8022a7c85ad96027eede9c4b8a4"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/crater/target/debug/deps/rs_gzip-d40613594c716b0c [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `"docker" "inspect" "d1861bfe956b1feaaec80c20a97146fccd47b8022a7c85ad96027eede9c4b8a4"` [INFO] running `"docker" "rm" "-f" "d1861bfe956b1feaaec80c20a97146fccd47b8022a7c85ad96027eede9c4b8a4"` [INFO] [stdout] d1861bfe956b1feaaec80c20a97146fccd47b8022a7c85ad96027eede9c4b8a4