[INFO] fetching crate daxpedda-vsprintf 1.0.2-pr...
[INFO] checking daxpedda-vsprintf-1.0.2-pr against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219
[INFO] extracting crate daxpedda-vsprintf 1.0.2-pr into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate daxpedda-vsprintf 1.0.2-pr 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 daxpedda-vsprintf 1.0.2-pr
[INFO] finished tweaking crates.io crate daxpedda-vsprintf 1.0.2-pr
[INFO] tweaked toml for crates.io crate daxpedda-vsprintf 1.0.2-pr written to /workspace/builds/worker-7/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-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] 316770b5c9c708d709126d55bb56161509a244a7411eb1cfbe0a2fd671ae633a
[INFO] running `Command { std: "docker" "start" "-a" "316770b5c9c708d709126d55bb56161509a244a7411eb1cfbe0a2fd671ae633a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "316770b5c9c708d709126d55bb56161509a244a7411eb1cfbe0a2fd671ae633a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "316770b5c9c708d709126d55bb56161509a244a7411eb1cfbe0a2fd671ae633a", kill_on_drop: false }`
[INFO] [stdout] 316770b5c9c708d709126d55bb56161509a244a7411eb1cfbe0a2fd671ae633a
[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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 83bb7d7bcbfb0143147773ba39dd05c1afaa320aff78e82d8471c25dbbb79436
[INFO] running `Command { std: "docker" "start" "-a" "83bb7d7bcbfb0143147773ba39dd05c1afaa320aff78e82d8471c25dbbb79436", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling daxpedda-vsprintf v1.0.2-pr (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `gcc::compile_library`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]  --> build.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     gcc::compile_library("libvsprintf.a", &["src/lib.c"]);
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: extern declarations without an explicit ABI are deprecated
[INFO] [stdout]   --> src/lib.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | / extern {
[INFO] [stdout] 71 | |     fn vsnprintf_wrapper(buffer: *mut u8,
[INFO] [stdout] 72 | |                          size: size_t,
[INFO] [stdout] 73 | |                          format: *const c_char,
[INFO] [stdout] 74 | |                          va_list: *mut c_void) -> libc::c_int;
[INFO] [stdout] 75 | | }
[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/lib.rs:70:1
[INFO] [stdout]    |
[INFO] [stdout] 70 | / extern {
[INFO] [stdout] 71 | |     fn vsnprintf_wrapper(buffer: *mut u8,
[INFO] [stdout] 72 | |                          size: size_t,
[INFO] [stdout] 73 | |                          format: *const c_char,
[INFO] [stdout] 74 | |                          va_list: *mut c_void) -> libc::c_int;
[INFO] [stdout] 75 | | }
[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 `daxpedda-vsprintf`.
[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] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "83bb7d7bcbfb0143147773ba39dd05c1afaa320aff78e82d8471c25dbbb79436", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83bb7d7bcbfb0143147773ba39dd05c1afaa320aff78e82d8471c25dbbb79436", kill_on_drop: false }`
[INFO] [stdout] 83bb7d7bcbfb0143147773ba39dd05c1afaa320aff78e82d8471c25dbbb79436