[INFO] fetching crate jsonnet 0.1.0...
[INFO] checking jsonnet-0.1.0 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate jsonnet 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate jsonnet 0.1.0 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonnet 0.1.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate jsonnet 0.1.0
[INFO] tweaked toml for crates.io crate jsonnet 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 6631e1eeee04690d9b58e8b568f100f2346cb02446a3aa3588ce66f1bfe35876
[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" "6631e1eeee04690d9b58e8b568f100f2346cb02446a3aa3588ce66f1bfe35876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6631e1eeee04690d9b58e8b568f100f2346cb02446a3aa3588ce66f1bfe35876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6631e1eeee04690d9b58e8b568f100f2346cb02446a3aa3588ce66f1bfe35876", kill_on_drop: false }`
[INFO] [stdout] 6631e1eeee04690d9b58e8b568f100f2346cb02446a3aa3588ce66f1bfe35876
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 676e127f6b7f6452ed1737bec5bc1be95813520854965e9b79c9d6bbaceaf15e
[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" "676e127f6b7f6452ed1737bec5bc1be95813520854965e9b79c9d6bbaceaf15e", kill_on_drop: false }`
[INFO] [stderr]     Checking jsonnet v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]   --> src/ffi/command.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[warn(private_no_mangle_fns)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: `no longer a warning, `#[no_mangle]` functions always exported`
[INFO] [stdout]   --> src/ffi/command.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | #[warn(private_no_mangle_fns)]
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/ffi/command.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / extern {
[INFO] [stdout] 14 | |     #[warn(dead_code)] 
[INFO] [stdout] 15 | |     fn jsonnet_version()     ->  *const c_char;
[INFO] [stdout] 16 | |     fn jsonnet_make()     -> *mut JsonnetVm;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     fn jsonnet_destroy(vm: *mut JsonnetVm);
[INFO] [stdout] 20 | | } 
[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/ffi/command.rs:13:1
[INFO] [stdout]    |
[INFO] [stdout] 13 | / extern {
[INFO] [stdout] 14 | |     #[warn(dead_code)] 
[INFO] [stdout] 15 | |     fn jsonnet_version()     ->  *const c_char;
[INFO] [stdout] 16 | |     fn jsonnet_make()     -> *mut JsonnetVm;
[INFO] [stdout] ...  |
[INFO] [stdout] 19 | |     fn jsonnet_destroy(vm: *mut JsonnetVm);
[INFO] [stdout] 20 | | } 
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsonnet`.
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[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" "676e127f6b7f6452ed1737bec5bc1be95813520854965e9b79c9d6bbaceaf15e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "676e127f6b7f6452ed1737bec5bc1be95813520854965e9b79c9d6bbaceaf15e", kill_on_drop: false }`
[INFO] [stdout] 676e127f6b7f6452ed1737bec5bc1be95813520854965e9b79c9d6bbaceaf15e