[INFO] fetching crate priority-matrix 0.2.0...
[INFO] checking priority-matrix-0.2.0 against master#38352b01ae4af9300be03b805d6db68c45e51068 for pr-129864
[INFO] extracting crate priority-matrix 0.2.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate priority-matrix 0.2.0 on toolchain 38352b01ae4af9300be03b805d6db68c45e51068
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate priority-matrix 0.2.0
[INFO] finished tweaking crates.io crate priority-matrix 0.2.0
[INFO] tweaked toml for crates.io crate priority-matrix 0.2.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate priority-matrix 0.2.0 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" "+38352b01ae4af9300be03b805d6db68c45e51068" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded priority-queue v1.3.1
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7865d4dfcab5e28a672685ad8faac90b4c8ac4ef2f88aab6c740632e6511cd8
[INFO] running `Command { std: "docker" "start" "-a" "a7865d4dfcab5e28a672685ad8faac90b4c8ac4ef2f88aab6c740632e6511cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7865d4dfcab5e28a672685ad8faac90b4c8ac4ef2f88aab6c740632e6511cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7865d4dfcab5e28a672685ad8faac90b4c8ac4ef2f88aab6c740632e6511cd8", kill_on_drop: false }`
[INFO] [stdout] a7865d4dfcab5e28a672685ad8faac90b4c8ac4ef2f88aab6c740632e6511cd8
[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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+38352b01ae4af9300be03b805d6db68c45e51068" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ccaf8ce3d5433a83dae53173bcd2a8547ffe72ef7ca20fe58215273d54c7f7
[INFO] running `Command { std: "docker" "start" "-a" "71ccaf8ce3d5433a83dae53173bcd2a8547ffe72ef7ca20fe58215273d54c7f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking either v1.8.1
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling priority-queue v1.3.1
[INFO] [stderr]     Checking priority-matrix v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:94:76
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[INFO] [stdout]    |                          -- lifetime `'a` declared here                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: elided lifetime has a name
[INFO] [stdout]   --> src/lib.rs:94:76
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub fn peek_from_row<'a>(&'a self, row: &'a R) -> Option<BorrowedEntry<'_, R, C, W>> {
[INFO] [stdout]    |                          -- lifetime `'a` declared here                    ^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.72s
[INFO] running `Command { std: "docker" "inspect" "71ccaf8ce3d5433a83dae53173bcd2a8547ffe72ef7ca20fe58215273d54c7f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ccaf8ce3d5433a83dae53173bcd2a8547ffe72ef7ca20fe58215273d54c7f7", kill_on_drop: false }`
[INFO] [stdout] 71ccaf8ce3d5433a83dae53173bcd2a8547ffe72ef7ca20fe58215273d54c7f7