[INFO] fetching crate async-fn-stream 0.2.2...
[INFO] checking async-fn-stream-0.2.2 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate async-fn-stream 0.2.2 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate async-fn-stream 0.2.2 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-fn-stream 0.2.2
[INFO] finished tweaking crates.io crate async-fn-stream 0.2.2
[INFO] tweaked toml for crates.io crate async-fn-stream 0.2.2 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate async-fn-stream 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-core v0.3.25
[INFO] [stderr]   Downloaded slab v0.4.7
[INFO] [stderr]   Downloaded futures-executor v0.3.25
[INFO] [stderr]   Downloaded futures-task v0.3.25
[INFO] [stderr]   Downloaded parking_lot_core v0.9.6
[INFO] [stderr]   Downloaded anyhow v1.0.68
[INFO] [stderr]   Downloaded bytes v1.3.0
[INFO] [stderr]   Downloaded socket2 v0.4.7
[INFO] [stderr]   Downloaded mio v0.8.5
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded futures-util v0.3.25
[INFO] [stderr]   Downloaded windows_aarch64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_gnullvm v0.42.1
[INFO] [stderr]   Downloaded tokio v1.24.2
[INFO] [stderr]   Downloaded libc v0.2.139
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.42.1
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.42.1
[INFO] [stderr]   Downloaded windows_i686_msvc v0.42.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0ffa44c9cc34c0f04d1eacf8ec0cadc3d2d7818429e52f64e4d9a3a648e537b
[INFO] running `Command { std: "docker" "start" "-a" "b0ffa44c9cc34c0f04d1eacf8ec0cadc3d2d7818429e52f64e4d9a3a648e537b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0ffa44c9cc34c0f04d1eacf8ec0cadc3d2d7818429e52f64e4d9a3a648e537b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0ffa44c9cc34c0f04d1eacf8ec0cadc3d2d7818429e52f64e4d9a3a648e537b", kill_on_drop: false }`
[INFO] [stdout] b0ffa44c9cc34c0f04d1eacf8ec0cadc3d2d7818429e52f64e4d9a3a648e537b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 05c0d7f31cf131829427695f5f9fbc2444b54695366d772ee1bb0ee5bbfb1388
[INFO] running `Command { std: "docker" "start" "-a" "05c0d7f31cf131829427695f5f9fbc2444b54695366d772ee1bb0ee5bbfb1388", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "05c0d7f31cf131829427695f5f9fbc2444b54695366d772ee1bb0ee5bbfb1388", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05c0d7f31cf131829427695f5f9fbc2444b54695366d772ee1bb0ee5bbfb1388", kill_on_drop: false }`
[INFO] [stdout] 05c0d7f31cf131829427695f5f9fbc2444b54695366d772ee1bb0ee5bbfb1388
[INFO] checking async-fn-stream-0.2.2 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate async-fn-stream 0.2.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate async-fn-stream 0.2.2 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-fn-stream 0.2.2
[INFO] finished tweaking crates.io crate async-fn-stream 0.2.2
[INFO] tweaked toml for crates.io crate async-fn-stream 0.2.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate async-fn-stream 0.2.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90fb74390d972cb4973d312d41035a29045d502ac57c0fdeca1cf0f231f1e608
[INFO] running `Command { std: "docker" "start" "-a" "90fb74390d972cb4973d312d41035a29045d502ac57c0fdeca1cf0f231f1e608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90fb74390d972cb4973d312d41035a29045d502ac57c0fdeca1cf0f231f1e608", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90fb74390d972cb4973d312d41035a29045d502ac57c0fdeca1cf0f231f1e608", kill_on_drop: false }`
[INFO] [stdout] 90fb74390d972cb4973d312d41035a29045d502ac57c0fdeca1cf0f231f1e608
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f72423807d1bdb538d75563302e4e5dc06ccc7651725e042e6512c2329cee9f
[INFO] running `Command { std: "docker" "start" "-a" "1f72423807d1bdb538d75563302e4e5dc06ccc7651725e042e6512c2329cee9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling parking_lot_core v0.9.6
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling tokio v1.24.2
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/proc-macro2-1.0.50/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0635`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `proc-macro2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "1f72423807d1bdb538d75563302e4e5dc06ccc7651725e042e6512c2329cee9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f72423807d1bdb538d75563302e4e5dc06ccc7651725e042e6512c2329cee9f", kill_on_drop: false }`
[INFO] [stdout] 1f72423807d1bdb538d75563302e4e5dc06ccc7651725e042e6512c2329cee9f
