[INFO] crate tlv 0.2.0 is already in cache [INFO] extracting crate tlv 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/tlv/0.2.0 [INFO] extracting crate tlv 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tlv/0.2.0 [INFO] validating manifest of tlv-0.2.0 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 tlv-0.2.0 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 tlv-0.2.0 [INFO] finished frobbing tlv-0.2.0 [INFO] frobbed toml for tlv-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/tlv/0.2.0/Cargo.toml [INFO] started frobbing tlv-0.2.0 [INFO] finished frobbing tlv-0.2.0 [INFO] frobbed toml for tlv-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tlv/0.2.0/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing tlv-0.2.0 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-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tlv/0.2.0:/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] 87404f77e5f4d135939c2ea0718433b9e0cf37b257a6f204afe4be6cd54a83bf [INFO] running `"docker" "start" "-a" "87404f77e5f4d135939c2ea0718433b9e0cf37b257a6f204afe4be6cd54a83bf"` [INFO] [stderr] Compiling tlv v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:35:36 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn decode(mut buf: &mut T) -> Result, std::io::Error> { [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | let mut value_vec = &mut Vec::with_capacity(length as usize); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.42s [INFO] running `"docker" "inspect" "87404f77e5f4d135939c2ea0718433b9e0cf37b257a6f204afe4be6cd54a83bf"` [INFO] running `"docker" "rm" "-f" "87404f77e5f4d135939c2ea0718433b9e0cf37b257a6f204afe4be6cd54a83bf"` [INFO] [stdout] 87404f77e5f4d135939c2ea0718433b9e0cf37b257a6f204afe4be6cd54a83bf [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tlv/0.2.0:/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] cfb2d19000a996d9af8c8db3560622658440039a611d8eb95545ae0b815a9345 [INFO] running `"docker" "start" "-a" "cfb2d19000a996d9af8c8db3560622658440039a611d8eb95545ae0b815a9345"` [INFO] [stderr] Compiling tlv v0.2.0 (/opt/crater/workdir) [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:35:36 [INFO] [stderr] | [INFO] [stderr] 35 | pub fn decode(mut buf: &mut T) -> Result, std::io::Error> { [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: variable does not need to be mutable [INFO] [stderr] --> src/lib.rs:42:17 [INFO] [stderr] | [INFO] [stderr] 42 | let mut value_vec = &mut Vec::with_capacity(length as usize); [INFO] [stderr] | ----^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.79s [INFO] running `"docker" "inspect" "cfb2d19000a996d9af8c8db3560622658440039a611d8eb95545ae0b815a9345"` [INFO] running `"docker" "rm" "-f" "cfb2d19000a996d9af8c8db3560622658440039a611d8eb95545ae0b815a9345"` [INFO] [stdout] cfb2d19000a996d9af8c8db3560622658440039a611d8eb95545ae0b815a9345 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/tlv/0.2.0:/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] b5ad2af58acc3de64c28e5d604d4a296f3ea3738603cca0ef2639b5e61ed5c38 [INFO] running `"docker" "start" "-a" "b5ad2af58acc3de64c28e5d604d4a296f3ea3738603cca0ef2639b5e61ed5c38"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/crater/target/debug/deps/tlv-91d979a31a40b398 [INFO] [stdout] [INFO] [stdout] running 3 tests [INFO] [stdout] test tests::test_decode_tlv ... ok [INFO] [stdout] test tests::test_encode_tlv ... ok [INFO] [stdout] test tests::test_encode_decode_tlv ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] [stderr] Doc-tests tlv [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" "b5ad2af58acc3de64c28e5d604d4a296f3ea3738603cca0ef2639b5e61ed5c38"` [INFO] running `"docker" "rm" "-f" "b5ad2af58acc3de64c28e5d604d4a296f3ea3738603cca0ef2639b5e61ed5c38"` [INFO] [stdout] b5ad2af58acc3de64c28e5d604d4a296f3ea3738603cca0ef2639b5e61ed5c38