[INFO] crate rml_amf0 0.1.1 is already in cache
[INFO] extracting crate rml_amf0 0.1.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rml_amf0/0.1.1
[INFO] extracting crate rml_amf0 0.1.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rml_amf0/0.1.1
[INFO] validating manifest of rml_amf0-0.1.1 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 rml_amf0-0.1.1 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 rml_amf0-0.1.1
[INFO] finished frobbing rml_amf0-0.1.1
[INFO] frobbed toml for rml_amf0-0.1.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rml_amf0/0.1.1/Cargo.toml
[INFO] started frobbing rml_amf0-0.1.1
[INFO] finished frobbing rml_amf0-0.1.1
[INFO] frobbed toml for rml_amf0-0.1.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rml_amf0/0.1.1/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 rml_amf0-0.1.1 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/rml_amf0/0.1.1:/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] ca51568b4460abb681ac96d2788dca2bf84d6db1fead400360406ce3997046a9
[INFO] running `"docker" "start" "-a" "ca51568b4460abb681ac96d2788dca2bf84d6db1fead400360406ce3997046a9"`
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rml_amf0 v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/deserialization.rs:85:42
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut buffer: Vec<u8> = vec![0_u8; (length as usize)];
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/deserialization.rs:134:36
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let mut label_buffer = vec![0; (label_length as usize)];
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `"docker" "inspect" "ca51568b4460abb681ac96d2788dca2bf84d6db1fead400360406ce3997046a9"`
[INFO] running `"docker" "rm" "-f" "ca51568b4460abb681ac96d2788dca2bf84d6db1fead400360406ce3997046a9"`
[INFO] [stdout] ca51568b4460abb681ac96d2788dca2bf84d6db1fead400360406ce3997046a9
[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/rml_amf0/0.1.1:/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] 98691e2b4b03904b14b9bed98cbaf7f8ec012bb27cc8bc4cb2d695677b67b4d6
[INFO] running `"docker" "start" "-a" "98691e2b4b03904b14b9bed98cbaf7f8ec012bb27cc8bc4cb2d695677b67b4d6"`
[INFO] [stderr]    Compiling rml_amf0 v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> src/deserialization.rs:85:42
[INFO] [stderr]    |
[INFO] [stderr] 85 |     let mut buffer: Vec<u8> = vec![0_u8; (length as usize)];
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/deserialization.rs:134:36
[INFO] [stderr]     |
[INFO] [stderr] 134 |     let mut label_buffer = vec![0; (label_length as usize)];
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `"docker" "inspect" "98691e2b4b03904b14b9bed98cbaf7f8ec012bb27cc8bc4cb2d695677b67b4d6"`
[INFO] running `"docker" "rm" "-f" "98691e2b4b03904b14b9bed98cbaf7f8ec012bb27cc8bc4cb2d695677b67b4d6"`
[INFO] [stdout] 98691e2b4b03904b14b9bed98cbaf7f8ec012bb27cc8bc4cb2d695677b67b4d6
[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/rml_amf0/0.1.1:/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] 24c816542169e3ddbcbbc003c88fb4534c53464e03193a9d80b657d5750cfec0
[INFO] running `"docker" "start" "-a" "24c816542169e3ddbcbbc003c88fb4534c53464e03193a9d80b657d5750cfec0"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rml_amf0-6848eed1d7c14f4b
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test deserialization::tests::can_deserialize_false_boolean ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_emca_array ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_string ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_object ... ok
[INFO] [stdout] test serialization::tests::can_serialize_number ... ok
[INFO] [stdout] test serialization::tests::can_serialize_object ... ok
[INFO] [stdout] test serialization::tests::can_serialize_string ... ok
[INFO] [stdout] test serialization::tests::can_serialize_true_boolean ... ok
[INFO] [stdout] test serialization::tests::can_serialize_undefined ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_null ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_true_boolean ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_undefined ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_number ... ok
[INFO] [stdout] test serialization::tests::can_serialize_false_boolean ... ok
[INFO] [stdout] test serialization::tests::can_serialize_null ... ok
[INFO] [stdout] test serialization::tests::error_when_string_length_greater_than_u16 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rml_amf0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 6) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "24c816542169e3ddbcbbc003c88fb4534c53464e03193a9d80b657d5750cfec0"`
[INFO] running `"docker" "rm" "-f" "24c816542169e3ddbcbbc003c88fb4534c53464e03193a9d80b657d5750cfec0"`
[INFO] [stdout] 24c816542169e3ddbcbbc003c88fb4534c53464e03193a9d80b657d5750cfec0