[INFO] fetching crate recursive_sync 0.0.2...
[INFO] checking recursive_sync-0.0.2 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384
[INFO] extracting crate recursive_sync 0.0.2 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate recursive_sync 0.0.2 on toolchain 506512391b1a75ae450d36c9420978402a91abcc
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate recursive_sync 0.0.2
[INFO] finished tweaking crates.io crate recursive_sync 0.0.2
[INFO] tweaked toml for crates.io crate recursive_sync 0.0.2 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0ac32ce70bda283d5cb3a36521639abe9cd8ead568ce45b15c041831389ea22
[INFO] running `Command { std: "docker" "start" "-a" "f0ac32ce70bda283d5cb3a36521639abe9cd8ead568ce45b15c041831389ea22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0ac32ce70bda283d5cb3a36521639abe9cd8ead568ce45b15c041831389ea22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0ac32ce70bda283d5cb3a36521639abe9cd8ead568ce45b15c041831389ea22", kill_on_drop: false }`
[INFO] [stdout] f0ac32ce70bda283d5cb3a36521639abe9cd8ead568ce45b15c041831389ea22
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06218e2cb43ce1bfa3198db857b4927cd1809067528974ef4f4bc4061b88c5fd
[INFO] running `Command { std: "docker" "start" "-a" "06218e2cb43ce1bfa3198db857b4927cd1809067528974ef4f4bc4061b88c5fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling recursive_sync v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: the trait bound `[&str]: Default` is not satisfied
[INFO] [stdout]  --> build.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |         &Default::default(),
[INFO] [stdout]   |          ^^^^^^^^^^^^^^^^^^ the trait `Default` is not implemented for `[&str]`
[INFO] [stdout]   |
[INFO] [stdout] help: consider borrowing here
[INFO] [stdout]   |
[INFO] [stdout] 7 |         &&Default::default(),
[INFO] [stdout]   |          +
[INFO] [stdout] 7 |         &&mut Default::default(),
[INFO] [stdout]   |          ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 2 arguments but 3 arguments were supplied
[INFO] [stdout]    --> build.rs:5:5
[INFO] [stdout]     |
[INFO] [stdout] 5   |       gcc::compile_library(
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 6   |           "libsys_mutex.a",
[INFO] [stdout] 7   |           &Default::default(),
[INFO] [stdout]     |  ____________________________-
[INFO] [stdout] 8   | |         &["src/sys_mutex.c"]
[INFO] [stdout]     | |         --------------------
[INFO] [stdout]     | |_________|__________________|
[INFO] [stdout]     |           |                  help: remove the extra argument
[INFO] [stdout]     |           unexpected argument of type `&[&str; 1]`
[INFO] [stdout]     |
[INFO] [stdout] note: function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/gcc-0.3.55/src/lib.rs:238:8
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub fn compile_library(output: &str, files: &[&str]) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0277.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `recursive_sync` (build script) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "06218e2cb43ce1bfa3198db857b4927cd1809067528974ef4f4bc4061b88c5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06218e2cb43ce1bfa3198db857b4927cd1809067528974ef4f4bc4061b88c5fd", kill_on_drop: false }`
[INFO] [stdout] 06218e2cb43ce1bfa3198db857b4927cd1809067528974ef4f4bc4061b88c5fd