[INFO] fetching crate async-borrow 0.2.1...
[INFO] checking async-borrow-0.2.1 against try#ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1 for pr-145108
[INFO] extracting crate async-borrow 0.2.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate async-borrow 0.2.1
[INFO] finished tweaking crates.io crate async-borrow 0.2.1
[INFO] tweaked toml for crates.io crate async-borrow 0.2.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate async-borrow 0.2.1 on toolchain ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 44 packages to latest compatible versions
[INFO] [stderr]       Adding tokio-macros v1.8.2 (available: v2.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9cf58e22892b27e3d9a86d2eb2a7503545185aefdeee29f46dbe7bce7dacdad9
[INFO] running `Command { std: "docker" "start" "-a" "9cf58e22892b27e3d9a86d2eb2a7503545185aefdeee29f46dbe7bce7dacdad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9cf58e22892b27e3d9a86d2eb2a7503545185aefdeee29f46dbe7bce7dacdad9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cf58e22892b27e3d9a86d2eb2a7503545185aefdeee29f46dbe7bce7dacdad9", kill_on_drop: false }`
[INFO] [stdout] 9cf58e22892b27e3d9a86d2eb2a7503545185aefdeee29f46dbe7bce7dacdad9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 65c65d0a6a1ed9d52fb979e09128538f3c771750fef3d4921de2fd4d9217544c
[INFO] running `Command { std: "docker" "start" "-a" "65c65d0a6a1ed9d52fb979e09128538f3c771750fef3d4921de2fd4d9217544c", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-sink v0.3.31
[INFO] [stderr]     Checking pin-project-lite v0.2.16
[INFO] [stderr]     Checking futures-core v0.3.31
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]     Checking slab v0.4.11
[INFO] [stderr]     Checking futures-task v0.3.31
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking futures-channel v0.3.31
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr] error: could not compile `futures-macro` (lib)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   could not execute process `/opt/rustwide/rustup-home/toolchains/ae40d86d689c7b8b0a48c1e4b9d38e02bc2beab1/bin/rustc --crate-name futures_macro --edition=2018 /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/futures-macro-0.3.31/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no --warn=unreachable_pub --warn=unexpected_cfgs --warn=single_use_lifetimes --warn=rust_2018_idioms --warn=missing_debug_implementations --check-cfg 'cfg(futures_sanitizer)' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=ec9adbcfe9136eee -C extra-filename=-1b7ba8a9ab1b94db --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-0a3b3fe24b469f09.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-e098ac900c08002b.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-fd7acfdfced8ef98.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid` (never executed)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No such file or directory (os error 2)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "65c65d0a6a1ed9d52fb979e09128538f3c771750fef3d4921de2fd4d9217544c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65c65d0a6a1ed9d52fb979e09128538f3c771750fef3d4921de2fd4d9217544c", kill_on_drop: false }`
[INFO] [stdout] 65c65d0a6a1ed9d52fb979e09128538f3c771750fef3d4921de2fd4d9217544c