[INFO] fetching crate rml_amf0 0.1.1...
[INFO] testing rml_amf0-0.1.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rml_amf0 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate rml_amf0 0.1.1 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rml_amf0 0.1.1
[INFO] finished tweaking crates.io crate rml_amf0 0.1.1
[INFO] tweaked toml for crates.io crate rml_amf0 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 82f8e9301cb8a77fb19729e562fb8049c6acac627e5bfc5443c58cb6a0d1a939
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "82f8e9301cb8a77fb19729e562fb8049c6acac627e5bfc5443c58cb6a0d1a939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "82f8e9301cb8a77fb19729e562fb8049c6acac627e5bfc5443c58cb6a0d1a939", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82f8e9301cb8a77fb19729e562fb8049c6acac627e5bfc5443c58cb6a0d1a939", kill_on_drop: false }`
[INFO] [stdout] 82f8e9301cb8a77fb19729e562fb8049c6acac627e5bfc5443c58cb6a0d1a939
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e32aab67ef4d6fb7a150b58abb1fbe8ae5cf5dc49fd0226e7c925c60bb13fd21
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e32aab67ef4d6fb7a150b58abb1fbe8ae5cf5dc49fd0226e7c925c60bb13fd21", kill_on_drop: false }`
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling rml_amf0 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/deserialization.rs:85:42
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut buffer: Vec<u8> = vec![0_u8; (length as usize)];
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/deserialization.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let mut label_buffer = vec![0; (label_length as usize)];
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "e32aab67ef4d6fb7a150b58abb1fbe8ae5cf5dc49fd0226e7c925c60bb13fd21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32aab67ef4d6fb7a150b58abb1fbe8ae5cf5dc49fd0226e7c925c60bb13fd21", kill_on_drop: false }`
[INFO] [stdout] e32aab67ef4d6fb7a150b58abb1fbe8ae5cf5dc49fd0226e7c925c60bb13fd21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3f1854fa1222e4c2c1314c855a868b44644b4f6d5f1cd9b15413577aaab4a152
[INFO] running `Command { std: "docker" "start" "-a" "3f1854fa1222e4c2c1314c855a868b44644b4f6d5f1cd9b15413577aaab4a152", kill_on_drop: false }`
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/deserialization.rs:85:42
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut buffer: Vec<u8> = vec![0_u8; (length as usize)];
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/deserialization.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let mut label_buffer = vec![0; (label_length as usize)];
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rml_amf0 v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/serialization.rs:166:79
[INFO] [stdout]     |
[INFO] [stdout] 166 |         expected.write_u16::<BigEndian>(markers::UTF_8_EMPTY_MARKER).unwrap();;
[INFO] [stdout]     |                                                                               ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/deserialization.rs:85:42
[INFO] [stdout]    |
[INFO] [stdout] 85 |     let mut buffer: Vec<u8> = vec![0_u8; (length as usize)];
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/deserialization.rs:134:36
[INFO] [stdout]     |
[INFO] [stdout] 134 |     let mut label_buffer = vec![0; (label_length as usize)];
[INFO] [stdout]     |                                    ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/deserialization.rs:168:55
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let result = deserialize(&mut input).unwrap();;
[INFO] [stdout]     |                                                       ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/deserialization.rs:238:77
[INFO] [stdout]     |
[INFO] [stdout] 238 |         vector.write_u16::<BigEndian>(markers::UTF_8_EMPTY_MARKER).unwrap();;
[INFO] [stdout]     |                                                                             ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "3f1854fa1222e4c2c1314c855a868b44644b4f6d5f1cd9b15413577aaab4a152", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f1854fa1222e4c2c1314c855a868b44644b4f6d5f1cd9b15413577aaab4a152", kill_on_drop: false }`
[INFO] [stdout] 3f1854fa1222e4c2c1314c855a868b44644b4f6d5f1cd9b15413577aaab4a152
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7edb729504f666c684bd5f3030d5f94335b342a2bd8e3cdd09fbc6956191c59f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7edb729504f666c684bd5f3030d5f94335b342a2bd8e3cdd09fbc6956191c59f", kill_on_drop: false }`
[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] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/serialization.rs:166:79
[INFO] [stderr]     |
[INFO] [stderr] 166 |         expected.write_u16::<BigEndian>(markers::UTF_8_EMPTY_MARKER).unwrap();;
[INFO] [stderr]     |                                                                               ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[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] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/deserialization.rs:168:55
[INFO] [stderr]     |
[INFO] [stderr] 168 |         let result = deserialize(&mut input).unwrap();;
[INFO] [stderr]     |                                                       ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> src/deserialization.rs:238:77
[INFO] [stderr]     |
[INFO] [stderr] 238 |         vector.write_u16::<BigEndian>(markers::UTF_8_EMPTY_MARKER).unwrap();;
[INFO] [stderr]     |                                                                             ^ help: remove this semicolon
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rml_amf0-3eeb820145da6ce7
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[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_null ... ok
[INFO] [stdout] test serialization::tests::can_serialize_false_boolean ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_undefined ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_true_boolean ... ok
[INFO] [stdout] test serialization::tests::can_serialize_undefined ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_false_boolean ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_number ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_null ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_object ... ok
[INFO] [stdout] test serialization::tests::error_when_string_length_greater_than_u16 ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_string ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_emca_array ... 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] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]   --> /opt/rustwide/workdir/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]    --> /opt/rustwide/workdir/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] warning: 2 warnings emitted
[INFO] [stderr] 
[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 `Command { std: "docker" "inspect" "7edb729504f666c684bd5f3030d5f94335b342a2bd8e3cdd09fbc6956191c59f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edb729504f666c684bd5f3030d5f94335b342a2bd8e3cdd09fbc6956191c59f", kill_on_drop: false }`
[INFO] [stdout] 7edb729504f666c684bd5f3030d5f94335b342a2bd8e3cdd09fbc6956191c59f