[INFO] fetching crate rml_amf0 0.1.1...
[INFO] testing rml_amf0-0.1.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rml_amf0 0.1.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate rml_amf0 0.1.1 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3fdd5f3be07ab961a9d04a5962699a627ee3813e4edac08e6ee927b375d913b1
[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" "3fdd5f3be07ab961a9d04a5962699a627ee3813e4edac08e6ee927b375d913b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3fdd5f3be07ab961a9d04a5962699a627ee3813e4edac08e6ee927b375d913b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fdd5f3be07ab961a9d04a5962699a627ee3813e4edac08e6ee927b375d913b1", kill_on_drop: false }`
[INFO] [stdout] 3fdd5f3be07ab961a9d04a5962699a627ee3813e4edac08e6ee927b375d913b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48827943bc2364e2d2eb15aba11be9b670645a708ac9380ee5d72c719f1b5257
[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" "48827943bc2364e2d2eb15aba11be9b670645a708ac9380ee5d72c719f1b5257", kill_on_drop: false }`
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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 9.82s
[INFO] running `Command { std: "docker" "inspect" "48827943bc2364e2d2eb15aba11be9b670645a708ac9380ee5d72c719f1b5257", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48827943bc2364e2d2eb15aba11be9b670645a708ac9380ee5d72c719f1b5257", kill_on_drop: false }`
[INFO] [stdout] 48827943bc2364e2d2eb15aba11be9b670645a708ac9380ee5d72c719f1b5257
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e764776d59e82364974de352ec3005cafdd152d4ecae5632b3ac3173220848a
[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" "4e764776d59e82364974de352ec3005cafdd152d4ecae5632b3ac3173220848a", kill_on_drop: false }`
[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] [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 2.10s
[INFO] running `Command { std: "docker" "inspect" "4e764776d59e82364974de352ec3005cafdd152d4ecae5632b3ac3173220848a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e764776d59e82364974de352ec3005cafdd152d4ecae5632b3ac3173220848a", kill_on_drop: false }`
[INFO] [stdout] 4e764776d59e82364974de352ec3005cafdd152d4ecae5632b3ac3173220848a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 93c5b00659e8b1e4c0923b412609da08becabe64abdc8c8475286c6230d8aa46
[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" "93c5b00659e8b1e4c0923b412609da08becabe64abdc8c8475286c6230d8aa46", 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_amf0-163bc42ee7ae2eec
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test deserialization::tests::can_deserialize_false_boolean ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_null ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_undefined ... 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::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_number ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_string ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_true_boolean ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_emca_array ... ok
[INFO] [stdout] test deserialization::tests::can_deserialize_object ... ok
[INFO] [stderr]    Doc-tests rml_amf0
[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; finished in 0.01s
[INFO] [stdout] 
[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; finished in 1.21s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "93c5b00659e8b1e4c0923b412609da08becabe64abdc8c8475286c6230d8aa46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93c5b00659e8b1e4c0923b412609da08becabe64abdc8c8475286c6230d8aa46", kill_on_drop: false }`
[INFO] [stdout] 93c5b00659e8b1e4c0923b412609da08becabe64abdc8c8475286c6230d8aa46