[INFO] fetching crate pwasm-std 0.13.1...
[INFO] building pwasm-std-0.13.1 against master#d5c88c22807925c189328ef9d923c5d2b11a95b8 for pr-87066-3
[INFO] extracting crate pwasm-std 0.13.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate pwasm-std 0.13.1 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/rust-toolchain
[INFO] started tweaking crates.io crate pwasm-std 0.13.1
[INFO] finished tweaking crates.io crate pwasm-std 0.13.1
[INFO] tweaked toml for crates.io crate pwasm-std 0.13.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca9c14f470938d11869c423157af62da2c7b5ab5f95c983e1621cd51822950ff
[INFO] running `Command { std: "docker" "start" "-a" "ca9c14f470938d11869c423157af62da2c7b5ab5f95c983e1621cd51822950ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9c14f470938d11869c423157af62da2c7b5ab5f95c983e1621cd51822950ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9c14f470938d11869c423157af62da2c7b5ab5f95c983e1621cd51822950ff", kill_on_drop: false }`
[INFO] [stdout] ca9c14f470938d11869c423157af62da2c7b5ab5f95c983e1621cd51822950ff
[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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3a030b8301272f5ccbf3286e9ad7406ee4880b92f33cd0cab9d9e2c8bf3e9226
[INFO] running `Command { std: "docker" "start" "-a" "3a030b8301272f5ccbf3286e9ad7406ee4880b92f33cd0cab9d9e2c8bf3e9226", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling static_assertions v0.2.5
[INFO] [stderr]    Compiling rustc-hex v2.1.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling pwasm-libc v0.2.1
[INFO] [stderr]    Compiling fixed-hash v0.3.2
[INFO] [stderr]    Compiling uint v0.5.0
[INFO] [stderr]    Compiling tiny-keccak v1.5.0
[INFO] [stderr]    Compiling pwasm-alloc v0.4.1
[INFO] [stderr]    Compiling pwasm-std v0.13.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0557]: feature has been removed
[INFO] [stdout]  --> src/lib.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 | #![feature(link_args)]
[INFO] [stdout]   |            ^^^^^^^^^ feature has been removed
[INFO] [stdout]   |
[INFO] [stdout]   = note: removed in favor of using `-C link-arg=ARG` on command line, which is available from cargo build scripts with `cargo:rustc-link-arg` now
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/lib.rs:53:1
[INFO] [stdout]    |
[INFO] [stdout] 53 | #[no_mangle]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 54 | #[cfg(not(feature = "std"))]
[INFO] [stdout] 55 | pub use panic::panic_fmt;
[INFO] [stdout]    | ------------------------- not a free function, impl method or static
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a free function, impl method or static
[INFO] [stdout]   --> src/lib.rs:57:1
[INFO] [stdout]    |
[INFO] [stdout] 57 | #[no_mangle]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout] 58 | #[cfg(not(feature = "std"))]
[INFO] [stdout] 59 | pub use panic::oom;
[INFO] [stdout]    | ------------------- not a free function, impl method or static
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0557`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pwasm-std` due to 2 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3a030b8301272f5ccbf3286e9ad7406ee4880b92f33cd0cab9d9e2c8bf3e9226", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a030b8301272f5ccbf3286e9ad7406ee4880b92f33cd0cab9d9e2c8bf3e9226", kill_on_drop: false }`
[INFO] [stdout] 3a030b8301272f5ccbf3286e9ad7406ee4880b92f33cd0cab9d9e2c8bf3e9226