[INFO] cloning repository https://github.com/cwchentw/gsl_matrix_demo_in_Rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cwchentw/gsl_matrix_demo_in_Rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwchentw%2Fgsl_matrix_demo_in_Rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwchentw%2Fgsl_matrix_demo_in_Rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4637ca3e37819421376c67a288d396e7b8721b3
[INFO] checking cwchentw/gsl_matrix_demo_in_Rust against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcwchentw%2Fgsl_matrix_demo_in_Rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cwchentw/gsl_matrix_demo_in_Rust on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking git repo https://github.com/cwchentw/gsl_matrix_demo_in_Rust
[INFO] finished tweaking git repo https://github.com/cwchentw/gsl_matrix_demo_in_Rust
[INFO] tweaked toml for git repo https://github.com/cwchentw/gsl_matrix_demo_in_Rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/cwchentw/gsl_matrix_demo_in_Rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 066ebdd55348342037144b7788187554ae0c4ad83125c9276a8e9abfff97b8e1
[INFO] running `Command { std: "docker" "start" "-a" "066ebdd55348342037144b7788187554ae0c4ad83125c9276a8e9abfff97b8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "066ebdd55348342037144b7788187554ae0c4ad83125c9276a8e9abfff97b8e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "066ebdd55348342037144b7788187554ae0c4ad83125c9276a8e9abfff97b8e1", kill_on_drop: false }`
[INFO] [stdout] 066ebdd55348342037144b7788187554ae0c4ad83125c9276a8e9abfff97b8e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2cdf1a57307efde58ed42b87e7c16b1f94885914fa233451030b8a7990c7934d
[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" "2cdf1a57307efde58ed42b87e7c16b1f94885914fa233451030b8a7990c7934d", kill_on_drop: false }`
[INFO] [stderr]     Checking gsl_matrix_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     extern {
[INFO] [stdout] 50 | |         fn gsl_matrix_calloc(row: usize, col: usize) -> *mut CMatrix;
[INFO] [stdout] 51 | |         fn gsl_matrix_free(m: *mut CMatrix);
[INFO] [stdout] 52 | |         fn gsl_matrix_get(m: *const CMatrix, i: usize, j: usize) -> f64;
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |                               beta: f64, C: *mut CMatrix);
[INFO] [stdout] 57 | |     }
[INFO] [stdout]    | |_____^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 | /     extern {
[INFO] [stdout] 50 | |         fn gsl_matrix_calloc(row: usize, col: usize) -> *mut CMatrix;
[INFO] [stdout] 51 | |         fn gsl_matrix_free(m: *mut CMatrix);
[INFO] [stdout] 52 | |         fn gsl_matrix_get(m: *const CMatrix, i: usize, j: usize) -> f64;
[INFO] [stdout] ...  |
[INFO] [stdout] 56 | |                               beta: f64, C: *mut CMatrix);
[INFO] [stdout] 57 | |     }
[INFO] [stdout]    | |_____^ ABI should be specified here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[deny(missing_abi)]` on by default
[INFO] [stdout]    = help: the default ABI is C
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `gsl_matrix_demo`.
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "2cdf1a57307efde58ed42b87e7c16b1f94885914fa233451030b8a7990c7934d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cdf1a57307efde58ed42b87e7c16b1f94885914fa233451030b8a7990c7934d", kill_on_drop: false }`
[INFO] [stdout] 2cdf1a57307efde58ed42b87e7c16b1f94885914fa233451030b8a7990c7934d