[INFO] fetching crate pre-rfc3243-libtw2-snapshot 0.1.0...
[INFO] checking pre-rfc3243-libtw2-snapshot-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate pre-rfc3243-libtw2-snapshot 0.1.0 into /workspace/builds/worker-0-tc2/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-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pre-rfc3243-libtw2-snapshot 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] Updating crates.io index
[INFO] [stderr] Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7db8b81e44a5a1235fccf1974746153f186772dc3bd655c995d0594c731c42e2
[INFO] running `Command { std: "docker" "start" "-a" "7db8b81e44a5a1235fccf1974746153f186772dc3bd655c995d0594c731c42e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7db8b81e44a5a1235fccf1974746153f186772dc3bd655c995d0594c731c42e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7db8b81e44a5a1235fccf1974746153f186772dc3bd655c995d0594c731c42e2", kill_on_drop: false }`
[INFO] [stdout] 7db8b81e44a5a1235fccf1974746153f186772dc3bd655c995d0594c731c42e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0d71c7c890dd3de3e3945c9d3e98b4babcf97fc256c3413b18a2cfffd341e41
[INFO] running `Command { std: "docker" "start" "-a" "e0d71c7c890dd3de3e3945c9d3e98b4babcf97fc256c3413b18a2cfffd341e41", kill_on_drop: false }`
[INFO] [stderr] Compiling proc-macro2 v1.0.101
[INFO] [stderr] Compiling serde v1.0.219
[INFO] [stderr] Compiling unicode-ident v1.0.18
[INFO] [stderr] Checking log v0.4.27
[INFO] [stderr] Checking arrayvec v0.5.2
[INFO] [stderr] Checking byteorder v1.5.0
[INFO] [stderr] Checking mac v0.0.2
[INFO] [stderr] Checking vec_map v0.8.2
[INFO] [stderr] Checking zerocopy v0.7.35
[INFO] [stderr] Checking log v0.3.9
[INFO] [stderr] Checking buffer v0.1.9
[INFO] [stderr] Checking warn v0.2.2
[INFO] [stderr] Checking pre-rfc3243-libtw2-common v0.1.0
[INFO] [stderr] Compiling quote v1.0.40
[INFO] [stderr] Compiling syn v2.0.106
[INFO] [stderr] Compiling serde_derive v1.0.219
[INFO] [stderr] Checking uuid v0.8.2
[INFO] [stderr] Checking pre-rfc3243-libtw2-packer v0.1.0
[INFO] [stderr] Checking pre-rfc3243-libtw2-gamenet-common v0.1.1
[INFO] [stderr] Checking pre-rfc3243-libtw2-gamenet-snap v0.1.0
[INFO] [stderr] Checking 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