[INFO] fetching crate mkv 0.0.7...
[INFO] testing mkv-0.0.7 against 1.54.0 for beta-1.55-1
[INFO] extracting crate mkv 0.0.7 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mkv 0.0.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10bf7c1216aebf663a0c5c86a39bde7b1b45cb7ac2cd2e9676c1606185fb9207
[INFO] running `Command { std: "docker" "start" "-a" "10bf7c1216aebf663a0c5c86a39bde7b1b45cb7ac2cd2e9676c1606185fb9207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10bf7c1216aebf663a0c5c86a39bde7b1b45cb7ac2cd2e9676c1606185fb9207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10bf7c1216aebf663a0c5c86a39bde7b1b45cb7ac2cd2e9676c1606185fb9207", kill_on_drop: false }`
[INFO] [stdout] 10bf7c1216aebf663a0c5c86a39bde7b1b45cb7ac2cd2e9676c1606185fb9207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b415c91b61b83c060b7efd96230c648b82979561e1251557fc74f0cb533cce29
[INFO] running `Command { std: "docker" "start" "-a" "b415c91b61b83c060b7efd96230c648b82979561e1251557fc74f0cb533cce29", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling bytes v0.4.12
[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 3.14s
[INFO] running `Command { std: "docker" "inspect" "b415c91b61b83c060b7efd96230c648b82979561e1251557fc74f0cb533cce29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b415c91b61b83c060b7efd96230c648b82979561e1251557fc74f0cb533cce29", kill_on_drop: false }`
[INFO] [stdout] b415c91b61b83c060b7efd96230c648b82979561e1251557fc74f0cb533cce29
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ffa5da596beaeca838e9b50b63596082d25daaeeed2a181320ed10d589ba174e
[INFO] running `Command { std: "docker" "start" "-a" "ffa5da596beaeca838e9b50b63596082d25daaeeed2a181320ed10d589ba174e", 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/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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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: 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: 2 warnings emitted
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.48s
[INFO] running `Command { std: "docker" "inspect" "ffa5da596beaeca838e9b50b63596082d25daaeeed2a181320ed10d589ba174e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffa5da596beaeca838e9b50b63596082d25daaeeed2a181320ed10d589ba174e", kill_on_drop: false }`
[INFO] [stdout] ffa5da596beaeca838e9b50b63596082d25daaeeed2a181320ed10d589ba174e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 900f775ab834a0a72f51b8bfa088add22e7750d01862006ee0b56ddaaa40e995
[INFO] running `Command { std: "docker" "start" "-a" "900f775ab834a0a72f51b8bfa088add22e7750d01862006ee0b56ddaaa40e995", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: use of deprecated associated function `bytes::Buf::get_i16`: use get_i16_be or get_i16_le
[INFO] [stdout] running 39 tests
[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/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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning 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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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/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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in the 2021 edition!
[INFO] [stderr]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[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: 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]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mkv-dbd9b6c42e5d8ecf)
[INFO] [stdout] test elements::builder::test::t2 ... ok
[INFO] [stdout] test elements::builder::test::t1 ... ok
[INFO] [stdout] test elements::builder::test::t3 ... ok
[INFO] [stdout] test elements::database::eldb_test__class_to_id ... ok
[INFO] [stdout] test elements::builder::test::t5 ... ok
[INFO] [stdout] test elements::database::eldb_test__class_to_type ... ok
[INFO] [stdout] test elements::database::eldb_test__id_to_class ... ok
[INFO] [stdout] test elements::generator::test::t1 ... ok
[INFO] [stdout] test elements::builder::test::t4 ... ok
[INFO] [stdout] test elements::builder::test::t6 ... ok
[INFO] [stdout] test elements::generator::test::t11 ... ok
[INFO] [stdout] test elements::generator::test::t10 ... ok
[INFO] [stdout] test elements::generator::test::t13 ... ok
[INFO] [stdout] test elements::generator::test::t6 ... ok
[INFO] [stdout] test elements::generator::test::t2 ... ok
[INFO] [stdout] test elements::generator::test::t8 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_3 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_6 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_2 ... ok
[INFO] [stdout] test elements::parser::test::t7 ... ok
[INFO] [stdout] test elements::parser::test::t1 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_5 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_1 ... ok
[INFO] [stdout] test elements::parser::test::t8 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_7 ... ok
[INFO] [stdout] test elements::parser::test::t6 ... ok
[INFO] [stdout] test elements::generator::test::t9 ... ok
[INFO] [stdout] test elements::generator::test::t14 ... ok
[INFO] [stdout] test elements::parser::test::t3 ... ok
[INFO] [stdout] test elements::generator::test::t12 ... ok
[INFO] [stdout] test elements::generator::test::t4 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_8 ... ok
[INFO] [stdout] test elements::generator::test::t5 ... ok
[INFO] [stdout] test elements::parser::test::t4 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_4 ... ok
[INFO] [stdout] test elements::parser::test::t2 ... ok
[INFO] [stdout] test elements::generator::test::t7 ... ok
[INFO] [stdout] test elements::generator::test::t3 ... 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:     0x55ed0f331430 - std::backtrace_rs::backtrace::libunwind::trace::h34055254b57d8e79
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stdout]    1:     0x55ed0f331430 - std::backtrace_rs::backtrace::trace_unsynchronized::h8f1e3fbd9afff6ec
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x55ed0f331430 - std::sys_common::backtrace::_print_fmt::h3a99a796b770c360
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stdout]    3:     0x55ed0f331430 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h32d1f94a80615d18
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stdout]    4:     0x55ed0f353c2c - core::fmt::write::h306731c068f7162c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/fmt/mod.rs:1110:17
[INFO] [stdout]    5:     0x55ed0f32e355 - std::io::Write::write_fmt::h87f19b0a2cd190bc
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/io/mod.rs:1588:15
[INFO] [stdout]    6:     0x55ed0f33359b - std::sys_common::backtrace::_print::h5abaa2601a852287
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stdout]    7:     0x55ed0f33359b - std::sys_common::backtrace::print::h8d81445442bb638f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stdout]    8:     0x55ed0f33359b - std::panicking::default_hook::{{closure}}::hcfe804496a9fa747
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:208:50
[INFO] [stdout]    9:     0x55ed0f3330ac - std::panicking::default_hook::hbea8e3ccf2ba8901
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:222:9
[INFO] [stdout]   10:     0x55ed0f333c64 - std::panicking::rust_panic_with_hook::h7ee9e1a2d0f8975a
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:622:17
[INFO] [stdout]   11:     0x55ed0f333747 - std::panicking::begin_panic_handler::{{closure}}::h8ab3b4491718b2c7
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:519:13
[INFO] [stdout]   12:     0x55ed0f33192c - std::sys_common::backtrace::__rust_end_short_backtrace::hd489062ffa586a9f
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stdout]   13:     0x55ed0f3336a9 - rust_begin_unwind
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:515:5
[INFO] [stdout]   14:     0x55ed0f2b3651 - core::panicking::panic_fmt::hca6330e3e14086b4
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:92:14
[INFO] [stdout]   15:     0x55ed0f352548 - core::panicking::assert_failed_inner::h33b45280069a80ed
[INFO] [stdout]   16:     0x55ed0f2cea1e - core::panicking::assert_failed::h35d0564066f09ee0
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/panicking.rs:117:5
[INFO] [stdout]   17:     0x55ed0f2c4c82 - mkv::elements::parser::test::t5::h0e51f9f649a1bfc0
[INFO] [stdout]                                at /opt/rustwide/workdir/src/elements/parser/test.rs:97:1
[INFO] [stdout]   18:     0x55ed0f2c4b2a - mkv::elements::parser::test::t5::{{closure}}::h3ac16fe9f9590f62
[INFO] [stdout]                                at /opt/rustwide/workdir/src/elements/parser/test.rs:96:9
[INFO] [stdout]   19:     0x55ed0f2cd70e - core::ops::function::FnOnce::call_once::hef30200913ac10b1
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   20:     0x55ed0f300473 - core::ops::function::FnOnce::call_once::h152e7e439ff59e19
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   21:     0x55ed0f300473 - test::__rust_begin_short_backtrace::h0908f3b1fdbb72ab
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:577:5
[INFO] [stdout]   22:     0x55ed0f2fef30 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf6d2a51e5587546c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   23:     0x55ed0f2fef30 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8af660f3a89ef593
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   24:     0x55ed0f2fef30 - std::panicking::try::do_call::hd36aef60f84b6d36
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   25:     0x55ed0f2fef30 - std::panicking::try::h9932b4480e69817c
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   26:     0x55ed0f2fef30 - std::panic::catch_unwind::h6aa177099cfff5f8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   27:     0x55ed0f2fef30 - test::run_test_in_process::h5884d6f2d99e20c3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:600:18
[INFO] [stdout]   28:     0x55ed0f2fef30 - test::run_test::run_test_inner::{{closure}}::h6fdc58c6d5f5b6e3
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:492:39
[INFO] [stdout]   29:     0x55ed0f2d85e2 - test::run_test::run_test_inner::{{closure}}::h408365d67a78ade8
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/test/src/lib.rs:519:37
[INFO] [stdout]   30:     0x55ed0f2d85e2 - std::sys_common::backtrace::__rust_begin_short_backtrace::hb560b77c4f701523
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stdout]   31:     0x55ed0f2dc198 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::hf2e7831dad93c597
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:481:17
[INFO] [stdout]   32:     0x55ed0f2dc198 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd2e08783d8be4d02
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:347:9
[INFO] [stdout]   33:     0x55ed0f2dc198 - std::panicking::try::do_call::h062597b7acfd6b82
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:401:40
[INFO] [stdout]   34:     0x55ed0f2dc198 - std::panicking::try::h0d7b79db04c14552
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panicking.rs:365:19
[INFO] [stdout]   35:     0x55ed0f2dc198 - std::panic::catch_unwind::hb01a0b5e7c8cd43b
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/panic.rs:434:14
[INFO] [stdout]   36:     0x55ed0f2dc198 - std::thread::Builder::spawn_unchecked::{{closure}}::h5bde48cc887e0d1e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/thread/mod.rs:480:30
[INFO] [stdout]   37:     0x55ed0f2dc198 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h745ea30807a29e55
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/core/src/ops/function.rs:227:5
[INFO] [stdout]   38:     0x55ed0f338727 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7ece6cfefaff1005
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   39:     0x55ed0f338727 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hb8b48e55c21f193e
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/alloc/src/boxed.rs:1575:9
[INFO] [stdout]   40:     0x55ed0f338727 - std::sys::unix::thread::Thread::new::thread_start::h8c7c4450dba62914
[INFO] [stdout]                                at /rustc/a178d0322ce20e33eac124758e837cbd80a6f633/library/std/src/sys/unix/thread.rs:71:17
[INFO] [stdout]   41:     0x7fa4bc9f0609 - start_thread
[INFO] [stdout]   42:     0x7fa4bc7c2293 - clone
[INFO] [stdout]   43:                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; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `Command { std: "docker" "inspect" "900f775ab834a0a72f51b8bfa088add22e7750d01862006ee0b56ddaaa40e995", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900f775ab834a0a72f51b8bfa088add22e7750d01862006ee0b56ddaaa40e995", kill_on_drop: false }`
[INFO] [stdout] 900f775ab834a0a72f51b8bfa088add22e7750d01862006ee0b56ddaaa40e995
