[INFO] crate varint 0.9.0 is already in cache
[INFO] testing varint-0.9.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate varint 0.9.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate varint 0.9.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate varint 0.9.0
[INFO] finished tweaking crates.io crate varint 0.9.0
[INFO] tweaked toml for crates.io crate varint 0.9.0 written to work/builds/worker-3/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] dc9c91aa9d83447a76be0dd34131270570df5d3b1aa4c3af571d33ecafb195b8
[INFO] running `"docker" "start" "-a" "dc9c91aa9d83447a76be0dd34131270570df5d3b1aa4c3af571d33ecafb195b8"`
[INFO] [stderr]    Compiling bit_utils v0.1.1
[INFO] [stderr]    Compiling varint v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `next_byte` is never read
[INFO] [stderr]   --> src/rawio.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut next_byte: u8 = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `"docker" "inspect" "dc9c91aa9d83447a76be0dd34131270570df5d3b1aa4c3af571d33ecafb195b8"`
[INFO] running `"docker" "rm" "-f" "dc9c91aa9d83447a76be0dd34131270570df5d3b1aa4c3af571d33ecafb195b8"`
[INFO] [stdout] dc9c91aa9d83447a76be0dd34131270570df5d3b1aa4c3af571d33ecafb195b8
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 0b3a8e375ba5f4945b534b80e8ceff50b1d087a459e3643808ccbc0a964ad5f0
[INFO] running `"docker" "start" "-a" "0b3a8e375ba5f4945b534b80e8ceff50b1d087a459e3643808ccbc0a964ad5f0"`
[INFO] [stderr]    Compiling varint v0.9.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: value assigned to `next_byte` is never read
[INFO] [stderr]   --> src/rawio.rs:37:17
[INFO] [stderr]    |
[INFO] [stderr] 37 |         let mut next_byte: u8 = 0;
[INFO] [stderr]    |                 ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.48s
[INFO] running `"docker" "inspect" "0b3a8e375ba5f4945b534b80e8ceff50b1d087a459e3643808ccbc0a964ad5f0"`
[INFO] running `"docker" "rm" "-f" "0b3a8e375ba5f4945b534b80e8ceff50b1d087a459e3643808ccbc0a964ad5f0"`
[INFO] [stdout] 0b3a8e375ba5f4945b534b80e8ceff50b1d087a459e3643808ccbc0a964ad5f0
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 22ce5c215396f2f12708326f0318008db9adb87e9fafb36631808e7091d8e856
[INFO] running `"docker" "start" "-a" "22ce5c215396f2f12708326f0318008db9adb87e9fafb36631808e7091d8e856"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/varint-9a1f8f466ebd0dfe
[INFO] [stdout] 
[INFO] [stdout] running 7 tests
[INFO] [stdout] test rawio::test::test_read_write_signed_varint_32 ... ok
[INFO] [stdout] test zigzag::tests::test_u16_i16_zigzag ... ok
[INFO] [stdout] test zigzag::tests::test_u32_i32_zigzag ... ok
[INFO] [stdout] test rawio::test::test_read_write_unsigned_varint_32 ... ok
[INFO] [stdout] test zigzag::tests::test_u64_i64_zigzag ... ok
[INFO] [stdout] test zigzag::tests::test_u8_i8_zigzag ... ok
[INFO] [stdout] test rawio::test::test_read_write_lots_of_unsigned_varint_32 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 7 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests varint
[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" "22ce5c215396f2f12708326f0318008db9adb87e9fafb36631808e7091d8e856"`
[INFO] running `"docker" "rm" "-f" "22ce5c215396f2f12708326f0318008db9adb87e9fafb36631808e7091d8e856"`
[INFO] [stdout] 22ce5c215396f2f12708326f0318008db9adb87e9fafb36631808e7091d8e856