[INFO] fetching crate optlib 0.4.0...
[INFO] testing optlib-0.4.0 against master#0d13f6afeba4935499abe0c9a07426c94492c94e for pr-96025
[INFO] extracting crate optlib 0.4.0 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate optlib 0.4.0 on toolchain 0d13f6afeba4935499abe0c9a07426c94492c94e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate optlib 0.4.0
[INFO] finished tweaking crates.io crate optlib 0.4.0
[INFO] tweaked toml for crates.io crate optlib 0.4.0 written to /workspace/builds/worker-65/source/Cargo.toml
[INFO] crate crates.io crate optlib 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num_cpus v1.12.0
[INFO] [stderr]   Downloaded num-rational v0.2.3
[INFO] [stderr]   Downloaded hermit-abi v0.1.6
[INFO] [stderr]   Downloaded optlib-testfunc v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4ea76fccbeb21ff274abebb0c42716f74b451f163a9574fbf9987eb6ffab7e42
[INFO] running `Command { std: "docker" "start" "-a" "4ea76fccbeb21ff274abebb0c42716f74b451f163a9574fbf9987eb6ffab7e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4ea76fccbeb21ff274abebb0c42716f74b451f163a9574fbf9987eb6ffab7e42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea76fccbeb21ff274abebb0c42716f74b451f163a9574fbf9987eb6ffab7e42", kill_on_drop: false }`
[INFO] [stdout] 4ea76fccbeb21ff274abebb0c42716f74b451f163a9574fbf9987eb6ffab7e42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd27396e01bbfdda5a74e40c5c459b39cce91839ec5f96edf2f4514ca7fa0382
[INFO] running `Command { std: "docker" "start" "-a" "dd27396e01bbfdda5a74e40c5c459b39cce91839ec5f96edf2f4514ca7fa0382", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling num v0.2.1
[INFO] [stderr]    Compiling optlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 47.32s
[INFO] running `Command { std: "docker" "inspect" "dd27396e01bbfdda5a74e40c5c459b39cce91839ec5f96edf2f4514ca7fa0382", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd27396e01bbfdda5a74e40c5c459b39cce91839ec5f96edf2f4514ca7fa0382", kill_on_drop: false }`
[INFO] [stdout] dd27396e01bbfdda5a74e40c5c459b39cce91839ec5f96edf2f4514ca7fa0382
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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" "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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+0d13f6afeba4935499abe0c9a07426c94492c94e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d8b1f6ead3035e2dfbb5fe0ad9738d0b8cd098c328f42dc9ac388eb8a5ad907a
[INFO] running `Command { std: "docker" "start" "-a" "d8b1f6ead3035e2dfbb5fe0ad9738d0b8cd098c328f42dc9ac388eb8a5ad907a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num_cpus v1.12.0
[INFO] [stderr]    Compiling optlib-testfunc v0.1.0
[INFO] [stderr]    Compiling optlib v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `optlib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name optlib --edition=2018 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 --test -C metadata=981b17e6921f6fc5 -C extra-filename=-981b17e6921f6fc5 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern num=/opt/rustwide/target/debug/deps/libnum-765cfd15c727eac1.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-5c4a75effbcfde06.rlib --extern optlib_testfunc=/opt/rustwide/target/debug/deps/liboptlib_testfunc-88dfb892b17fde3a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-f1ac5eee4b7e5c43.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `optlib`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name genetic_rosenbrock_statistics --edition=2018 examples/genetic-rosenbrock-statistics.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type bin --emit=dep-info,link -C embed-bitcode=no -C debuginfo=2 -C metadata=c06bd1a44e6adff3 -C extra-filename=-c06bd1a44e6adff3 --out-dir /opt/rustwide/target/debug/examples -L dependency=/opt/rustwide/target/debug/deps --extern num=/opt/rustwide/target/debug/deps/libnum-765cfd15c727eac1.rlib --extern num_cpus=/opt/rustwide/target/debug/deps/libnum_cpus-5c4a75effbcfde06.rlib --extern optlib=/opt/rustwide/target/debug/deps/liboptlib-1fbfb90b0212db6d.rlib --extern optlib_testfunc=/opt/rustwide/target/debug/deps/liboptlib_testfunc-88dfb892b17fde3a.rlib --extern rand=/opt/rustwide/target/debug/deps/librand-f1ac5eee4b7e5c43.rlib --cap-lints=forbid` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "d8b1f6ead3035e2dfbb5fe0ad9738d0b8cd098c328f42dc9ac388eb8a5ad907a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8b1f6ead3035e2dfbb5fe0ad9738d0b8cd098c328f42dc9ac388eb8a5ad907a", kill_on_drop: false }`
[INFO] [stdout] d8b1f6ead3035e2dfbb5fe0ad9738d0b8cd098c328f42dc9ac388eb8a5ad907a