[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 try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FTangent128%2Fwebmetro" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Tangent128/webmetro on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c54cdf5b501841ec3713869637a0f8c811cb06c935d1a3e99d6322e8c6bfcb6
[INFO] running `Command { std: "docker" "start" "-a" "2c54cdf5b501841ec3713869637a0f8c811cb06c935d1a3e99d6322e8c6bfcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c54cdf5b501841ec3713869637a0f8c811cb06c935d1a3e99d6322e8c6bfcb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c54cdf5b501841ec3713869637a0f8c811cb06c935d1a3e99d6322e8c6bfcb6", kill_on_drop: false }`
[INFO] [stdout] 2c54cdf5b501841ec3713869637a0f8c811cb06c935d1a3e99d6322e8c6bfcb6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5e358a74bdf3a629026aa9011ec83549282c35df1a9d5d0cc26e30382ff02ef3
[INFO] running `Command { std: "docker" "start" "-a" "5e358a74bdf3a629026aa9011ec83549282c35df1a9d5d0cc26e30382ff02ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking cpufeatures v0.2.2
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha-1 v0.10.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking os_str_bytes v6.0.1
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking multipart v0.18.0
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]     Checking headers v0.3.7
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking weak-table v0.3.2
[INFO] [stderr]     Checking custom_error v1.9.2
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking serde_json v1.0.81
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking tokio-util v0.7.2
[INFO] [stderr]     Checking tokio-util v0.6.10
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking tokio-stream v0.1.8
[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 37.00s
[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 4`
[INFO] running `Command { std: "docker" "inspect" "5e358a74bdf3a629026aa9011ec83549282c35df1a9d5d0cc26e30382ff02ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e358a74bdf3a629026aa9011ec83549282c35df1a9d5d0cc26e30382ff02ef3", kill_on_drop: false }`
[INFO] [stdout] 5e358a74bdf3a629026aa9011ec83549282c35df1a9d5d0cc26e30382ff02ef3
