[INFO] fetching crate optimization_engine 0.9.1...
[INFO] checking optimization_engine-0.9.1 against try#f3d95de532264a1215023baa665c0028aecf74b1 for pr-148477
[INFO] extracting crate optimization_engine 0.9.1 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate optimization_engine 0.9.1
[INFO] finished tweaking crates.io crate optimization_engine 0.9.1
[INFO] tweaked toml for crates.io crate optimization_engine 0.9.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate optimization_engine 0.9.1 on toolchain f3d95de532264a1215023baa665c0028aecf74b1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate optimization_engine 0.9.1 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" "+f3d95de532264a1215023baa665c0028aecf74b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab61f6014ba5b5d581e9e0dbce89b87e2b993b69d726c4cc0409493de4b6ffc3
[INFO] running `Command { std: "docker" "start" "-a" "ab61f6014ba5b5d581e9e0dbce89b87e2b993b69d726c4cc0409493de4b6ffc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab61f6014ba5b5d581e9e0dbce89b87e2b993b69d726c4cc0409493de4b6ffc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab61f6014ba5b5d581e9e0dbce89b87e2b993b69d726c4cc0409493de4b6ffc3", kill_on_drop: false }`
[INFO] [stdout] ab61f6014ba5b5d581e9e0dbce89b87e2b993b69d726c4cc0409493de4b6ffc3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+f3d95de532264a1215023baa665c0028aecf74b1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1ee9c8dc5d49c89dc53bc7a7a44ae941fcf5991dfce6f0118b7884216a92c287
[INFO] running `Command { std: "docker" "start" "-a" "1ee9c8dc5d49c89dc53bc7a7a44ae941fcf5991dfce6f0118b7884216a92c287", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling gimli v0.23.0
[INFO] [stderr]    Compiling adler v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.18
[INFO] [stderr]    Compiling object v0.23.0
[INFO] [stderr]    Compiling thread_local v1.1.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling matrixmultiply v0.3.8
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling regex-syntax v0.6.22
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling bindgen v0.49.4
[INFO] [stderr]    Compiling byteorder v1.4.2
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling cexpr v0.3.6
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]     Checking roots v0.0.8
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking num-complex v0.4.2
[INFO] [stderr]     Checking approx v0.4.0
[INFO] [stderr]     Checking lbfgs v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking ndarray v0.15.6
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling backtrace v0.3.56
[INFO] [stderr]    Compiling regex v1.4.3
[INFO] [stderr]     Checking rand_distr v0.4.3
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking unit_test_utils v0.1.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]    Compiling which v2.0.1
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]     Checking ndarray-rand v0.14.0
[INFO] [stderr]     Checking modcholesky v0.1.4
[INFO] [stdout] error[E0309]: the parameter type `T` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/modcholesky-0.1.4/src/utils.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn index_of_largest<'a, T>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                         -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
[INFO] [stdout] ...
[INFO] [stdout] 55 |         std::cmp::PartialOrd + num::traits::Signed + Clone,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ ...so that the reference type `&'a T` does not outlive the data it points at
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn index_of_largest<'a, T: 'a>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                              ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0309]: the parameter type `T` may not live long enough
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/modcholesky-0.1.4/src/utils.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn index_of_largest_abs<'a, T>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                             -- the parameter type `T` must be valid for the lifetime `'a` as defined here...
[INFO] [stdout] ...
[INFO] [stdout] 76 |         std::cmp::PartialOrd + num::traits::Signed + Clone,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^ ...so that the reference type `&'a T` does not outlive the data it points at
[INFO] [stdout]    |
[INFO] [stdout] help: consider adding an explicit lifetime bound
[INFO] [stdout]    |
[INFO] [stdout] 73 | pub fn index_of_largest_abs<'a, T: 'a>(c: &ndarray::ArrayView1<T>) -> usize
[INFO] [stdout]    |                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0309`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `modcholesky` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1ee9c8dc5d49c89dc53bc7a7a44ae941fcf5991dfce6f0118b7884216a92c287", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ee9c8dc5d49c89dc53bc7a7a44ae941fcf5991dfce6f0118b7884216a92c287", kill_on_drop: false }`
[INFO] [stdout] 1ee9c8dc5d49c89dc53bc7a7a44ae941fcf5991dfce6f0118b7884216a92c287