[INFO] fetching crate ffmml 0.1.2...
[INFO] checking ffmml-0.1.2 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate ffmml 0.1.2 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate ffmml 0.1.2
[INFO] finished tweaking crates.io crate ffmml 0.1.2
[INFO] tweaked toml for crates.io crate ffmml 0.1.2 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate ffmml 0.1.2 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 24 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded textparse_derive v0.1.0
[INFO] [stderr]   Downloaded textparse v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 372b1c3f0b44b78d081274204a2fe4d11ffa2bc29cc022b44aa36669ee7e0a83
[INFO] running `Command { std: "docker" "start" "-a" "372b1c3f0b44b78d081274204a2fe4d11ffa2bc29cc022b44aa36669ee7e0a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "372b1c3f0b44b78d081274204a2fe4d11ffa2bc29cc022b44aa36669ee7e0a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "372b1c3f0b44b78d081274204a2fe4d11ffa2bc29cc022b44aa36669ee7e0a83", kill_on_drop: false }`
[INFO] [stdout] 372b1c3f0b44b78d081274204a2fe4d11ffa2bc29cc022b44aa36669ee7e0a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b36ccff63f8459e76d50963dd32c185581a8d2e871270e215499336f071cd73f
[INFO] running `Command { std: "docker" "start" "-a" "b36ccff63f8459e76d50963dd32c185581a8d2e871270e215499336f071cd73f", kill_on_drop: false }`
[INFO] [stderr]    Compiling winnow v0.5.40
[INFO] [stderr]    Compiling toml_datetime v0.6.11
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling textparse_derive v0.1.0
[INFO] [stderr]     Checking textparse v0.1.0
[INFO] [stderr]     Checking ffmml v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/player.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn channels(&self) -> impl '_ + Iterator<Item = ChannelState> {
[INFO] [stdout]    |                     ^^^^^          --                   ------------ the same lifetime is hidden here
[INFO] [stdout]    |                     |              |
[INFO] [stdout]    |                     |              the same lifetime is elided here
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn channels(&self) -> impl '_ + Iterator<Item = ChannelState<'_>> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/player.rs:52:21
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn channels(&self) -> impl '_ + Iterator<Item = ChannelState> {
[INFO] [stdout]    |                     ^^^^^          --                   ------------ the same lifetime is hidden here
[INFO] [stdout]    |                     |              |
[INFO] [stdout]    |                     |              the same lifetime is elided here
[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]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn channels(&self) -> impl '_ + Iterator<Item = ChannelState<'_>> {
[INFO] [stdout]    |                                                                     ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.80s
[INFO] running `Command { std: "docker" "inspect" "b36ccff63f8459e76d50963dd32c185581a8d2e871270e215499336f071cd73f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b36ccff63f8459e76d50963dd32c185581a8d2e871270e215499336f071cd73f", kill_on_drop: false }`
[INFO] [stdout] b36ccff63f8459e76d50963dd32c185581a8d2e871270e215499336f071cd73f