[INFO] fetching crate GSL 6.0.0...
[INFO] checking GSL-6.0.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate GSL 6.0.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate GSL 6.0.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate GSL 6.0.0
[INFO] finished tweaking crates.io crate GSL 6.0.0
[INFO] tweaked toml for crates.io crate GSL 6.0.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate GSL 6.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] efa978efe6609ebecb149cc31bf679865f22c4369c61b701a5be50e2655135c9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "efa978efe6609ebecb149cc31bf679865f22c4369c61b701a5be50e2655135c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efa978efe6609ebecb149cc31bf679865f22c4369c61b701a5be50e2655135c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efa978efe6609ebecb149cc31bf679865f22c4369c61b701a5be50e2655135c9", kill_on_drop: false }`
[INFO] [stdout] efa978efe6609ebecb149cc31bf679865f22c4369c61b701a5be50e2655135c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a255dfb50ddf2911abb82cccdadf1f29697540f1ec8292dfc6ae137ffb4852e8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a255dfb50ddf2911abb82cccdadf1f29697540f1ec8292dfc6ae137ffb4852e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]    Compiling GSL-sys v3.0.0
[INFO] [stderr]     Checking GSL v6.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `status` is never read
[INFO] [stdout]    --> src/types/minimizer.rs:336:13
[INFO] [stdout]     |
[INFO] [stdout] 336 |             status = min.iterate(); // fails here w/ segfault
[INFO] [stdout]     |             ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "a255dfb50ddf2911abb82cccdadf1f29697540f1ec8292dfc6ae137ffb4852e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a255dfb50ddf2911abb82cccdadf1f29697540f1ec8292dfc6ae137ffb4852e8", kill_on_drop: false }`
[INFO] [stdout] a255dfb50ddf2911abb82cccdadf1f29697540f1ec8292dfc6ae137ffb4852e8