[INFO] fetching crate descent_ipopt 0.5.0...
[INFO] testing descent_ipopt-0.5.0 against master#cced03bfd61a304243a34504618ecec86c17063f for pr-154065-2
[INFO] extracting crate descent_ipopt 0.5.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate descent_ipopt 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate descent_ipopt 0.5.0
[INFO] tweaked toml for crates.io crate descent_ipopt 0.5.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate descent_ipopt 0.5.0 on toolchain cced03bfd61a304243a34504618ecec86c17063f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate descent_ipopt 0.5.0 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" "+cced03bfd61a304243a34504618ecec86c17063f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded descent_macro v0.5.0
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded descent v0.5.0
[INFO] [stderr]   Downloaded syn v1.0.60
[INFO] [stderr]   Downloaded libc v0.2.84
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4
[INFO] running `Command { std: "docker" "start" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling libc v0.2.84
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling snafu-derive v0.6.10
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling descent v0.5.0
[INFO] [stderr]    Compiling descent_ipopt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.97s
[INFO] running `Command { std: "docker" "inspect" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling descent_macro v0.5.0
[INFO] [stdout] warning: feature `test` is declared but not used
[INFO] [stdout]  --> src/lib.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling descent_ipopt v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: feature `proc_macro_hygiene` is declared but not used
[INFO] [stdout]   --> examples/problem_macro.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | #![feature(proc_macro_hygiene)]
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4" "/opt/rustwide/cargo-home/bin/cargo" "+cced03bfd61a304243a34504618ecec86c17063f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] warning: feature `test` is declared but not used
[INFO] [stderr]  --> src/lib.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | #![feature(test)]
[INFO] [stderr]   |            ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `descent_ipopt` (lib) generated 1 warning
[INFO] [stderr] warning: feature `proc_macro_hygiene` is declared but not used
[INFO] [stderr]   --> examples/problem_macro.rs:10:12
[INFO] [stderr]    |
[INFO] [stderr] 10 | #![feature(proc_macro_hygiene)]
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_features)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `descent_ipopt` (example "problem_macro") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/descent_ipopt-f5dedf25d1eae66c)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stderr] error: test failed, to rerun pass `--lib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/descent_ipopt-f5dedf25d1eae66c` (signal: 11, SIGSEGV: invalid memory reference)
[INFO] running `Command { std: "docker" "inspect" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4", kill_on_drop: false }`
[INFO] [stdout] f654c88af6246513696147ceacfcbbcb37bdbed203f66c10711c019e39b5e0f4
