[INFO] fetching crate matrijs 0.1.1...
[INFO] checking matrijs-0.1.1 against try#6757d700f93f6d16c8b39cf79e96b019bd570e7d for pr-155299-1
[INFO] extracting crate matrijs 0.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate matrijs 0.1.1
[INFO] finished tweaking crates.io crate matrijs 0.1.1
[INFO] tweaked toml for crates.io crate matrijs 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate matrijs 0.1.1 on toolchain 6757d700f93f6d16c8b39cf79e96b019bd570e7d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate matrijs 0.1.1 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" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a09c994f53f8f89a3b7990ffab6b64316caa4496a2ffa93a11d5f3e922234a56
[INFO] running `Command { std: "docker" "start" "-a" "a09c994f53f8f89a3b7990ffab6b64316caa4496a2ffa93a11d5f3e922234a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a09c994f53f8f89a3b7990ffab6b64316caa4496a2ffa93a11d5f3e922234a56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a09c994f53f8f89a3b7990ffab6b64316caa4496a2ffa93a11d5f3e922234a56", kill_on_drop: false }`
[INFO] [stdout] a09c994f53f8f89a3b7990ffab6b64316caa4496a2ffa93a11d5f3e922234a56
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6757d700f93f6d16c8b39cf79e96b019bd570e7d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f82f8763fffd27bcd4a2b4b191d134c694dc2ee0b710a7eed53df07f9b1ac020
[INFO] running `Command { std: "docker" "start" "-a" "f82f8763fffd27bcd4a2b4b191d134c694dc2ee0b710a7eed53df07f9b1ac020", kill_on_drop: false }`
[INFO] [stderr]     Checking matrijs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn row_chunks(&self) -> std::slice::Chunks<f64> {
[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] 79 |     pub fn row_chunks(&self) -> std::slice::Chunks<'_, f64> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:79:23
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn row_chunks(&self) -> std::slice::Chunks<f64> {
[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] 79 |     pub fn row_chunks(&self) -> std::slice::Chunks<'_, f64> {
[INFO] [stdout]    |                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f82f8763fffd27bcd4a2b4b191d134c694dc2ee0b710a7eed53df07f9b1ac020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f82f8763fffd27bcd4a2b4b191d134c694dc2ee0b710a7eed53df07f9b1ac020", kill_on_drop: false }`
[INFO] [stdout] f82f8763fffd27bcd4a2b4b191d134c694dc2ee0b710a7eed53df07f9b1ac020
