[INFO] cloning repository https://github.com/Tangent128/webmetro
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Tangent128/webmetro" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangent128%2Fwebmetro", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangent128%2Fwebmetro'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b88d09d0f42c9ee7bc609480aa85ad7705bac2f
[INFO] checking Tangent128/webmetro against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangent128%2Fwebmetro" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Tangent128/webmetro
[INFO] finished tweaking git repo https://github.com/Tangent128/webmetro
[INFO] tweaked toml for git repo https://github.com/Tangent128/webmetro written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tangent128/webmetro on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Tangent128/webmetro already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded weak-table v0.3.2
[INFO] [stderr]   Downloaded clap_derive v3.1.18
[INFO] [stderr]   Downloaded custom_error v1.9.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f9ba8c7c5a677f3809dab7b431f147aaae4a6991b6d0e0fc1cca475f69982d9b
[INFO] running `Command { std: "docker" "start" "-a" "f9ba8c7c5a677f3809dab7b431f147aaae4a6991b6d0e0fc1cca475f69982d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f9ba8c7c5a677f3809dab7b431f147aaae4a6991b6d0e0fc1cca475f69982d9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9ba8c7c5a677f3809dab7b431f147aaae4a6991b6d0e0fc1cca475f69982d9b", kill_on_drop: false }`
[INFO] [stdout] f9ba8c7c5a677f3809dab7b431f147aaae4a6991b6d0e0fc1cca475f69982d9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4a842ff4e267bea69386d99a614a5e4ed314e08d1152de83d97af0f495af723e
[INFO] running `Command { std: "docker" "start" "-a" "4a842ff4e267bea69386d99a614a5e4ed314e08d1152de83d97af0f495af723e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking http v0.2.7
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking httpdate v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking http-body v0.4.5
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking tower-service v0.3.1
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking headers v0.3.7
[INFO] [stderr]     Checking weak-table v0.3.2
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]     Checking custom_error v1.9.2
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tracing-attributes v0.1.21
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking futures-util v0.3.21
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking pin-project v1.0.10
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking tokio-stream v0.1.8
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking h2 v0.3.13
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking warp v0.3.2
[INFO] [stderr]     Checking webmetro v0.3.1-dev (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chunk.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut chunker = self.get_mut();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/webm.rs:17:83
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse_webm<'a, T: AsRef<[u8]> + ?Sized>(source: &'a T) -> EbmlIterator<'a, WebmElement> {
[INFO] [stdout]    |                                                         --                    --  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |                     |
[INFO] [stdout]    |                                                         |                     the same lifetime is named here
[INFO] [stdout]    |                                                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse_webm<'a, T: AsRef<[u8]> + ?Sized>(source: &'a T) -> EbmlIterator<'a, WebmElement<'a>> {
[INFO] [stdout]    |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/webm.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn decode_simple_block(bytes: &[u8]) -> Result<WebmElement, EbmlError> {
[INFO] [stdout]    |                               ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn decode_simple_block(bytes: &[u8]) -> Result<WebmElement<'_>, EbmlError> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/chunk.rs:147:13
[INFO] [stdout]     |
[INFO] [stdout] 147 |         let mut chunker = self.get_mut();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/webm.rs:17:83
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse_webm<'a, T: AsRef<[u8]> + ?Sized>(source: &'a T) -> EbmlIterator<'a, WebmElement> {
[INFO] [stdout]    |                                                         --                    --  ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                                                         |                     |
[INFO] [stdout]    |                                                         |                     the same lifetime is named here
[INFO] [stdout]    |                                                         the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub fn parse_webm<'a, T: AsRef<[u8]> + ?Sized>(source: &'a T) -> EbmlIterator<'a, WebmElement<'a>> {
[INFO] [stdout]    |                                                                                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/webm.rs:71:31
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn decode_simple_block(bytes: &[u8]) -> Result<WebmElement, EbmlError> {
[INFO] [stdout]    |                               ^^^^^            ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                               |
[INFO] [stdout]    |                               the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 71 | fn decode_simple_block(bytes: &[u8]) -> Result<WebmElement<'_>, EbmlError> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 49.86s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: buf_redux v0.8.4, multipart v0.18.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "4a842ff4e267bea69386d99a614a5e4ed314e08d1152de83d97af0f495af723e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a842ff4e267bea69386d99a614a5e4ed314e08d1152de83d97af0f495af723e", kill_on_drop: false }`
[INFO] [stdout] 4a842ff4e267bea69386d99a614a5e4ed314e08d1152de83d97af0f495af723e
