[INFO] fetching crate pre-rfc3243-libtw2-snapshot 0.1.0...
[INFO] testing pre-rfc3243-libtw2-snapshot-0.1.0 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate pre-rfc3243-libtw2-snapshot 0.1.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate pre-rfc3243-libtw2-snapshot 0.1.0
[INFO] finished tweaking crates.io crate pre-rfc3243-libtw2-snapshot 0.1.0
[INFO] tweaked toml for crates.io crate pre-rfc3243-libtw2-snapshot 0.1.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate pre-rfc3243-libtw2-snapshot 0.1.0 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Locking 22 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Downloading crates ...
[INFO] [stderr] Downloaded mac v0.0.2
[INFO] [stderr] Downloaded pre-rfc3243-libtw2-packer v0.1.0
[INFO] [stderr] Downloaded pre-rfc3243-libtw2-gamenet-snap v0.1.0
[INFO] [stderr] Downloaded warn v0.2.2
[INFO] [stderr] Downloaded pre-rfc3243-libtw2-common v0.1.0
[INFO] [stderr] Downloaded buffer v0.1.9
[INFO] [stderr] Downloaded pre-rfc3243-libtw2-gamenet-common v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08deae7ceb40902948d6f6a763f75972112a735b4ee71d018c9b1987cc26c632
[INFO] running `Command { std: "docker" "start" "-a" "08deae7ceb40902948d6f6a763f75972112a735b4ee71d018c9b1987cc26c632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08deae7ceb40902948d6f6a763f75972112a735b4ee71d018c9b1987cc26c632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08deae7ceb40902948d6f6a763f75972112a735b4ee71d018c9b1987cc26c632", kill_on_drop: false }`
[INFO] [stdout] 08deae7ceb40902948d6f6a763f75972112a735b4ee71d018c9b1987cc26c632
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4c8596ed8c5a44c1d8536dba9c5a1ad2ccac2a1e294bfc1997cf2b57f693039f
[INFO] running `Command { std: "docker" "start" "-a" "4c8596ed8c5a44c1d8536dba9c5a1ad2ccac2a1e294bfc1997cf2b57f693039f", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.101
[INFO] [stderr] Compiling serde v1.0.228
[INFO] [stderr] Compiling quote v1.0.41
[INFO] [stderr] Compiling arrayvec v0.5.2
[INFO] [stderr] Compiling log v0.3.9
[INFO] [stderr] Compiling mac v0.0.2
[INFO] [stderr] Compiling zerocopy v0.7.35
[INFO] [stderr] Compiling warn v0.2.2
[INFO] [stderr] Compiling buffer v0.1.9
[INFO] [stderr] Compiling pre-rfc3243-libtw2-common v0.1.0
[INFO] [stderr] Compiling uuid v0.8.2
[INFO] [stderr] Compiling pre-rfc3243-libtw2-packer v0.1.0
[INFO] [stderr] Compiling syn v2.0.106
[INFO] [stderr] Compiling serde_derive v1.0.228
[INFO] [stderr] Compiling pre-rfc3243-libtw2-gamenet-common v0.1.1
[INFO] [stderr] Compiling pre-rfc3243-libtw2-gamenet-snap v0.1.0
[INFO] [stderr] Compiling pre-rfc3243-libtw2-snapshot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/format.rs:45:37
[INFO] [stdout] |
[INFO] [stdout] 45 | pub fn from_key(key: i32, data: &[i32]) -> Item {
[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] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout] |
[INFO] [stdout] 45 | pub fn from_key(key: i32, data: &[i32]) -> Item<'_> {
[INFO] [stdout] | ++++
[INFO] [stdout]
[INFO] [stdout]
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout] --> src/receiver.rs:73:9
[INFO] [stdout] |
[INFO] [stdout] 73 | &mut self,
[INFO] [stdout] | ^^^^^^^^^ the lifetime is elided here
[INFO] [stdout] ...
[INFO] [stdout] 76 | ) -> Result