[INFO] fetching crate mkv 0.0.7...
[INFO] testing mkv-0.0.7 against 1.47.0 for beta-1.48-1
[INFO] extracting crate mkv 0.0.7 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate mkv 0.0.7 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mkv 0.0.7
[INFO] finished tweaking crates.io crate mkv 0.0.7
[INFO] tweaked toml for crates.io crate mkv 0.0.7 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b5d6ce49578f66f6fbb7c5d92c669d7938ed74c520b555271caafbc868ed584
[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" "4b5d6ce49578f66f6fbb7c5d92c669d7938ed74c520b555271caafbc868ed584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b5d6ce49578f66f6fbb7c5d92c669d7938ed74c520b555271caafbc868ed584", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b5d6ce49578f66f6fbb7c5d92c669d7938ed74c520b555271caafbc868ed584", kill_on_drop: false }`
[INFO] [stdout] 4b5d6ce49578f66f6fbb7c5d92c669d7938ed74c520b555271caafbc868ed584
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bf65c14f4e10b4aa7c991d111158f30bb7ef539bcf1f6ddda290738e59ed1357
[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" "bf65c14f4e10b4aa7c991d111158f30bb7ef539bcf1f6ddda290738e59ed1357", kill_on_drop: false }`
[INFO] [stderr]    Compiling mkv v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `bytes::Buf::get_i16`: use get_i16_be or get_i16_le
[INFO] [stdout]    --> src/events/mod.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let ts = b.get_i16::<BigEndian>();
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.98s
[INFO] running `Command { std: "docker" "inspect" "bf65c14f4e10b4aa7c991d111158f30bb7ef539bcf1f6ddda290738e59ed1357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf65c14f4e10b4aa7c991d111158f30bb7ef539bcf1f6ddda290738e59ed1357", kill_on_drop: false }`
[INFO] [stdout] bf65c14f4e10b4aa7c991d111158f30bb7ef539bcf1f6ddda290738e59ed1357
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d9b661e9868efefc1f61ca4ff1c0f9669dd8338d9b80fd552691e3fd0c1c6d
[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" "b4d9b661e9868efefc1f61ca4ff1c0f9669dd8338d9b80fd552691e3fd0c1c6d", kill_on_drop: false }`
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stdout] warning: use of deprecated associated function `bytes::Buf::get_i16`: use get_i16_be or get_i16_le
[INFO] [stdout]    --> src/events/mod.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let ts = b.get_i16::<BigEndian>();
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling mkv v0.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/dom_dumper.rs:22:26
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut reader : Box<Read> = match args().len() {
[INFO] [stdout]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/remux1.rs:21:22
[INFO] [stdout]    |
[INFO] [stdout] 21 |     let reader : Box<Read> = match args().len() {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `element_logger`
[INFO] [stdout]   --> examples/dom_dumper.rs:31:9
[INFO] [stdout]    |
[INFO] [stdout] 31 |     let element_logger = mkv::elements::parser::debug::DebugPrint::new(log::LogLevel::Info);
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_logger`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/dom_dumper.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut reader : Box<Read> = match args().len() {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/mkvsplit2.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |     w : Option<Box<Write>>,
[INFO] [stdout]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/mkvsplit2.rs:88:22
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let reader : Box<Read> = match args().len() {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/event_dumper.rs:29:26
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut reader : Box<Read> = match args().len() {
[INFO] [stdout]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/frame_events.rs:52:22
[INFO] [stdout]    |
[INFO] [stdout] 52 |     let reader : Box<Read> = match args().len() {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> examples/mkvsplit.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let reader : Box<Read> = match args().len() {
[INFO] [stdout]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/event_dumper.rs:29:9
[INFO] [stdout]    |
[INFO] [stdout] 29 |     let mut reader : Box<Read> = match args().len() {
[INFO] [stdout]    |         ----^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `bytes::Buf::get_i16`: use get_i16_be or get_i16_le
[INFO] [stdout]    --> src/events/mod.rs:124:20
[INFO] [stdout]     |
[INFO] [stdout] 124 |         let ts = b.get_i16::<BigEndian>();
[INFO] [stdout]     |                    ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eldb_test__id_to_class` should have a snake case name
[INFO] [stdout]    --> src/elements/database.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn eldb_test__id_to_class() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `eldb_test_id_to_class`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eldb_test__class_to_id` should have a snake case name
[INFO] [stdout]    --> src/elements/database.rs:307:4
[INFO] [stdout]     |
[INFO] [stdout] 307 | fn eldb_test__class_to_id() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `eldb_test_class_to_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `eldb_test__class_to_type` should have a snake case name
[INFO] [stdout]    --> src/elements/database.rs:315:4
[INFO] [stdout]     |
[INFO] [stdout] 315 | fn eldb_test__class_to_type() {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `eldb_test_class_to_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.70s
[INFO] running `Command { std: "docker" "inspect" "b4d9b661e9868efefc1f61ca4ff1c0f9669dd8338d9b80fd552691e3fd0c1c6d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d9b661e9868efefc1f61ca4ff1c0f9669dd8338d9b80fd552691e3fd0c1c6d", kill_on_drop: false }`
[INFO] [stdout] b4d9b661e9868efefc1f61ca4ff1c0f9669dd8338d9b80fd552691e3fd0c1c6d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f03185ce6602dafae61c9b1d6056329894a9ab5446297358a7ae13264b42f6c9
[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" "f03185ce6602dafae61c9b1d6056329894a9ab5446297358a7ae13264b42f6c9", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `bytes::Buf::get_i16`: use get_i16_be or get_i16_le
[INFO] [stderr]    --> src/events/mod.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let ts = b.get_i16::<BigEndian>();
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `bytes::Buf::get_i16`: use get_i16_be or get_i16_le
[INFO] [stderr]    --> src/events/mod.rs:124:20
[INFO] [stderr]     |
[INFO] [stderr] 124 |         let ts = b.get_i16::<BigEndian>();
[INFO] [stderr]     |                    ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `eldb_test__id_to_class` should have a snake case name
[INFO] [stderr]    --> src/elements/database.rs:298:4
[INFO] [stderr]     |
[INFO] [stderr] 298 | fn eldb_test__id_to_class() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `eldb_test_id_to_class`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `eldb_test__class_to_id` should have a snake case name
[INFO] [stderr]    --> src/elements/database.rs:307:4
[INFO] [stderr]     |
[INFO] [stderr] 307 | fn eldb_test__class_to_id() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `eldb_test_class_to_id`
[INFO] [stderr] 
[INFO] [stderr] warning: function `eldb_test__class_to_type` should have a snake case name
[INFO] [stderr]    --> src/elements/database.rs:315:4
[INFO] [stderr]     |
[INFO] [stderr] 315 | fn eldb_test__class_to_type() {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `eldb_test_class_to_type`
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/event_dumper.rs:29:26
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut reader : Box<Read> = match args().len() {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/event_dumper.rs:29:9
[INFO] [stderr]    |
[INFO] [stderr] 29 |     let mut reader : Box<Read> = match args().len() {
[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: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/dom_dumper.rs:22:26
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut reader : Box<Read> = match args().len() {
[INFO] [stderr]    |                          ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/mkvsplit2.rs:29:20
[INFO] [stderr]    |
[INFO] [stderr] 29 |     w : Option<Box<Write>>,
[INFO] [stderr]    |                    ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `element_logger`
[INFO] [stderr]   --> examples/dom_dumper.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let element_logger = mkv::elements::parser::debug::DebugPrint::new(log::LogLevel::Info);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_element_logger`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/mkvsplit2.rs:88:22
[INFO] [stderr]    |
[INFO] [stderr] 88 |     let reader : Box<Read> = match args().len() {
[INFO] [stderr]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> examples/dom_dumper.rs:22:9
[INFO] [stderr]    |
[INFO] [stderr] 22 |     let mut reader : Box<Read> = match args().len() {
[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: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/mkvsplit.rs:28:22
[INFO] [stderr]    |
[INFO] [stderr] 28 |     let reader : Box<Read> = match args().len() {
[INFO] [stderr]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/remux1.rs:21:22
[INFO] [stderr]    |
[INFO] [stderr] 21 |     let reader : Box<Read> = match args().len() {
[INFO] [stderr]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/frame_events.rs:52:22
[INFO] [stderr]    |
[INFO] [stderr] 52 |     let reader : Box<Read> = match args().len() {
[INFO] [stderr]    |                      ^^^^ help: use `dyn`: `dyn Read`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mkv-fae3cc5ec301519d
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test elements::generator::test::t11 ... ok
[INFO] [stdout] test elements::generator::test::t10 ... ok
[INFO] [stdout] test elements::generator::test::t3 ... ok
[INFO] [stdout] test elements::builder::test::t2 ... ok
[INFO] [stdout] test elements::builder::test::t1 ... ok
[INFO] [stdout] test elements::generator::test::t14 ... ok
[INFO] [stdout] test elements::builder::test::t5 ... ok
[INFO] [stdout] test elements::generator::test::t1 ... ok
[INFO] [stdout] test elements::generator::test::t2 ... ok
[INFO] [stdout] test elements::builder::test::t6 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_1 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_2 ... ok
[INFO] [stdout] test elements::generator::test::t7 ... ok
[INFO] [stdout] test elements::builder::test::t4 ... ok
[INFO] [stdout] test elements::generator::test::t8 ... ok
[INFO] [stdout] test elements::generator::test::t9 ... ok
[INFO] [stdout] test elements::generator::test::t13 ... ok
[INFO] [stdout] test elements::builder::test::t3 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_3 ... ok
[INFO] [stdout] test elements::generator::test::t6 ... ok
[INFO] [stdout] test elements::database::eldb_test__class_to_type ... ok
[INFO] [stdout] test elements::generator::test::t5 ... ok
[INFO] [stdout] test elements::database::eldb_test__class_to_id ... ok
[INFO] [stdout] test elements::database::eldb_test__id_to_class ... ok
[INFO] [stdout] test elements::generator::test::t12 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_4 ... ok
[INFO] [stdout] test elements::generator::test::t4 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_5 ... ok
[INFO] [stdout] test elements::parser::test::t4 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_6 ... ok
[INFO] [stdout] test elements::parser::test::t1 ... ok
[INFO] [stdout] test elements::parser::test::t3 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_7 ... ok
[INFO] [stdout] test elements::parser::test::t2 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_8 ... ok
[INFO] [stdout] test elements::parser::test::t6 ... ok
[INFO] [stdout] test elements::parser::test::t8 ... ok
[INFO] [stdout] test elements::parser::test::t7 ... ok
[INFO] [stdout] test elements::parser::test::t5 ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- elements::parser::test::t5 stdout ----
[INFO] [stdout] thread 'elements::parser::test::t5' panicked at 'assertion failed: `(left == right)`
[INFO] [stdout]   left: `"b Duration(offset:0, rawlen:7),d Float(116.0),e Duration(offset:0, rawlen:7),"`,
[INFO] [stdout]  right: `"b Duration(offset:0, rawlen:7),d Float(116),e Duration(offset:0, rawlen:7),"`', src/elements/parser/test.rs:97:1
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x55986abecf00 - std::backtrace_rs::backtrace::libunwind::trace::h577ea05e9ca4629a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96
[INFO] [stdout]    1:     0x55986abecf00 - std::backtrace_rs::backtrace::trace_unsynchronized::h50b9b72b84c7dd56
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/../../backtrace/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x55986abecf00 - std::sys_common::backtrace::_print_fmt::h6541cf9823837fac
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:79
[INFO] [stdout]    3:     0x55986abecf00 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hf64fbff071026df5
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:58
[INFO] [stdout]    4:     0x55986ac0fcbc - core::fmt::write::h9ddafa4860d8adff
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/fmt/mod.rs:1082
[INFO] [stdout]    5:     0x55986ab8b855 - std::io::Write::write_fmt::h50a71e2460ce07da
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/mod.rs:1514
[INFO] [stdout]    6:     0x55986abe7c71 - std::io::impls::<impl std::io::Write for alloc::boxed::Box<W>>::write_fmt::h9bbd3fed8160d0d2
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/io/impls.rs:176
[INFO] [stdout]    7:     0x55986abef380 - std::sys_common::backtrace::_print::ha25f9ff5080d886d
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:61
[INFO] [stdout]    8:     0x55986abef380 - std::sys_common::backtrace::print::h213e8aa8dc5405c0
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:48
[INFO] [stdout]    9:     0x55986abef380 - std::panicking::default_hook::{{closure}}::h6482fae49ef9d963
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:200
[INFO] [stdout]   10:     0x55986abef076 - std::panicking::default_hook::he30ad7589e0970f9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:216
[INFO] [stdout]   11:     0x55986abef9e3 - std::panicking::rust_panic_with_hook::haa1ed36ada4ffb03
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:569
[INFO] [stdout]   12:     0x55986abef5b9 - std::panicking::begin_panic_handler::{{closure}}::h7001af1bb21aeaeb
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:476
[INFO] [stdout]   13:     0x55986abed38c - std::sys_common::backtrace::__rust_end_short_backtrace::h39910f557f5f2367
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:153
[INFO] [stdout]   14:     0x55986abef579 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:475
[INFO] [stdout]   15:     0x55986abef52b - std::panicking::begin_panic_fmt::hc1b1320af38b7e12
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:429
[INFO] [stdout]   16:     0x55986ab6c44b - mkv::elements::parser::test::t5::hc8e4a52084ffd4ed
[INFO] [stdout]                                at /opt/rustwide/workdir/src/elements/parser/test.rs:97
[INFO] [stdout]   17:     0x55986ab6c1ba - mkv::elements::parser::test::t5::{{closure}}::h605ed93324509d87
[INFO] [stdout]                                at /opt/rustwide/workdir/src/elements/parser/test.rs:96
[INFO] [stdout]   18:     0x55986ab74bce - core::ops::function::FnOnce::call_once::h49db4f1309515cf8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   19:     0x55986abb4133 - core::ops::function::FnOnce::call_once::hd04d57b5cf16f85a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   20:     0x55986abb4133 - test::__rust_begin_short_backtrace::hd8e9a8c5a2e43388
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:517
[INFO] [stdout]   21:     0x55986abb2603 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h3c3db8a500c1a19a
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   22:     0x55986abb2603 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h043e9ebcbe360c80
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   23:     0x55986abb2603 - std::panicking::try::do_call::h47c2fb275506c2e8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   24:     0x55986abb2603 - std::panicking::try::h569c20f0e99453b4
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   25:     0x55986abb2603 - std::panic::catch_unwind::hb33c6d0f01540d23
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   26:     0x55986abb2603 - test::run_test_in_process::hc0ce562d167e51cf
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:544
[INFO] [stdout]   27:     0x55986abb2603 - test::run_test::run_test_inner::{{closure}}::hd3120982fcd71544
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/test/src/lib.rs:450
[INFO] [stdout]   28:     0x55986ab8ac86 - std::sys_common::backtrace::__rust_begin_short_backtrace::h84f8bc12cc4cdac6
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys_common/backtrace.rs:137
[INFO] [stdout]   29:     0x55986ab8feb5 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hb8b5fa0ba425d4db
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:458
[INFO] [stdout]   30:     0x55986ab8feb5 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc4b84b244cf55f75
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:308
[INFO] [stdout]   31:     0x55986ab8feb5 - std::panicking::try::do_call::ha31922ad8fa17753
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:373
[INFO] [stdout]   32:     0x55986ab8feb5 - std::panicking::try::h38a6da203722ae6e
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panicking.rs:337
[INFO] [stdout]   33:     0x55986ab8feb5 - std::panic::catch_unwind::h83afce167c9062b9
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/panic.rs:379
[INFO] [stdout]   34:     0x55986ab8feb5 - std::thread::Builder::spawn_unchecked::{{closure}}::h160689155590a70c
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/thread/mod.rs:457
[INFO] [stdout]   35:     0x55986ab8feb5 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h7dbf17a455132a46
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/core/src/ops/function.rs:227
[INFO] [stdout]   36:     0x55986abf619a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h670c50864ac2cb92
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   37:     0x55986abf619a - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h2511952749086d81
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/alloc/src/boxed.rs:1042
[INFO] [stdout]   38:     0x55986abf619a - std::sys::unix::thread::Thread::new::thread_start::h5ad4ddffe24373a8
[INFO] [stdout]                                at /rustc/18bf6b4f01a6feaf7259ba7cdae58031af1b7b39/library/std/src/sys/unix/thread.rs:87
[INFO] [stdout]   39:     0x7fa0e9b80609 - start_thread
[INFO] [stdout]   40:     0x7fa0e9a8c103 - clone
[INFO] [stdout]   41:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     elements::parser::test::t5
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 38 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "f03185ce6602dafae61c9b1d6056329894a9ab5446297358a7ae13264b42f6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f03185ce6602dafae61c9b1d6056329894a9ab5446297358a7ae13264b42f6c9", kill_on_drop: false }`
[INFO] [stdout] f03185ce6602dafae61c9b1d6056329894a9ab5446297358a7ae13264b42f6c9
