[INFO] fetching crate mkv 0.0.8...
[INFO] testing mkv-0.0.8 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate mkv 0.0.8 into /workspace/builds/worker-115/source
[INFO] validating manifest of crates.io crate mkv 0.0.8 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mkv 0.0.8
[INFO] finished tweaking crates.io crate mkv 0.0.8
[INFO] tweaked toml for crates.io crate mkv 0.0.8 written to /workspace/builds/worker-115/source/Cargo.toml
[INFO] crate crates.io crate mkv 0.0.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd78f38fabe48f0187e793a509115f936d2faa8913ec6839719ad6f556ec97d
[INFO] running `Command { std: "docker" "start" "-a" "ffd78f38fabe48f0187e793a509115f936d2faa8913ec6839719ad6f556ec97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd78f38fabe48f0187e793a509115f936d2faa8913ec6839719ad6f556ec97d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd78f38fabe48f0187e793a509115f936d2faa8913ec6839719ad6f556ec97d", kill_on_drop: false }`
[INFO] [stdout] ffd78f38fabe48f0187e793a509115f936d2faa8913ec6839719ad6f556ec97d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 252a7c2a2b86a89cb5a752f0412a562a254e991b62f8aaea0f8d5ac26eec1eb1
[INFO] running `Command { std: "docker" "start" "-a" "252a7c2a2b86a89cb5a752f0412a562a254e991b62f8aaea0f8d5ac26eec1eb1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mkv v0.0.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.77s
[INFO] running `Command { std: "docker" "inspect" "252a7c2a2b86a89cb5a752f0412a562a254e991b62f8aaea0f8d5ac26eec1eb1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "252a7c2a2b86a89cb5a752f0412a562a254e991b62f8aaea0f8d5ac26eec1eb1", kill_on_drop: false }`
[INFO] [stdout] 252a7c2a2b86a89cb5a752f0412a562a254e991b62f8aaea0f8d5ac26eec1eb1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cba4bbc85a31fbf41e2fd41b9199cf962db42325de666b191cb70ef9d3065c0
[INFO] running `Command { std: "docker" "start" "-a" "4cba4bbc85a31fbf41e2fd41b9199cf962db42325de666b191cb70ef9d3065c0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling random v0.12.2
[INFO] [stderr]    Compiling env_logger v0.3.5
[INFO] [stderr]    Compiling mkv v0.0.8 (/opt/rustwide/workdir)
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.36s
[INFO] running `Command { std: "docker" "inspect" "4cba4bbc85a31fbf41e2fd41b9199cf962db42325de666b191cb70ef9d3065c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cba4bbc85a31fbf41e2fd41b9199cf962db42325de666b191cb70ef9d3065c0", kill_on_drop: false }`
[INFO] [stdout] 4cba4bbc85a31fbf41e2fd41b9199cf962db42325de666b191cb70ef9d3065c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-115/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4e9f821bcdda4391956511016f1d5295861e9128db60e0d4d7d21cb740868eaa
[INFO] running `Command { std: "docker" "start" "-a" "4e9f821bcdda4391956511016f1d5295861e9128db60e0d4d7d21cb740868eaa", kill_on_drop: false }`
[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: `mkv` (lib test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mkv-45c9ab367bc84a92)
[INFO] [stdout] 
[INFO] [stdout] running 39 tests
[INFO] [stdout] test elements::builder::test::t1 ... ok
[INFO] [stdout] test elements::builder::test::t3 ... ok
[INFO] [stdout] test elements::builder::test::t4 ... ok
[INFO] [stdout] test elements::builder::test::t2 ... ok
[INFO] [stdout] test elements::builder::test::t5 ... ok
[INFO] [stdout] test elements::builder::test::t6 ... ok
[INFO] [stdout] test elements::database::eldb_test__class_to_id ... 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::generator::test::t10 ... ok
[INFO] [stdout] test elements::generator::test::t11 ... ok
[INFO] [stdout] test elements::generator::test::t12 ... ok
[INFO] [stdout] test elements::generator::test::t13 ... ok
[INFO] [stdout] test elements::generator::test::t2 ... ok
[INFO] [stdout] test elements::generator::test::t14 ... ok
[INFO] [stdout] test elements::generator::test::t3 ... ok
[INFO] [stdout] test elements::generator::test::t5 ... ok
[INFO] [stdout] test elements::generator::test::t6 ... ok
[INFO] [stdout] test elements::generator::test::t7 ... ok
[INFO] [stdout] test elements::generator::test::t8 ... ok
[INFO] [stdout] test elements::generator::test::t9 ... 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::parser::parse_ebml_number::test::parse_ebml_number_test_3 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_4 ... 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_6 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_7 ... ok
[INFO] [stdout] test elements::parser::parse_ebml_number::test::parse_ebml_number_test_8 ... ok
[INFO] [stdout] test elements::parser::test::t1 ... ok
[INFO] [stdout] test elements::generator::test::t4 ... ok
[INFO] [stdout] test elements::parser::test::t2 ... ok
[INFO] [stdout] test elements::parser::test::t3 ... ok
[INFO] [stdout] test elements::parser::test::t4 ... ok
[INFO] [stdout] test elements::parser::test::t6 ... ok
[INFO] [stdout] test elements::parser::test::t7 ... ok
[INFO] [stdout] test elements::parser::test::t8 ... ok
[INFO] [stdout] test elements::parser::test::t5 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 39 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests mkv
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4e9f821bcdda4391956511016f1d5295861e9128db60e0d4d7d21cb740868eaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e9f821bcdda4391956511016f1d5295861e9128db60e0d4d7d21cb740868eaa", kill_on_drop: false }`
[INFO] [stdout] 4e9f821bcdda4391956511016f1d5295861e9128db60e0d4d7d21cb740868eaa