[INFO] cloning repository https://github.com/yrns/asyn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yrns/asyn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyrns%2Fasyn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyrns%2Fasyn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37ea3a41484e0361863fba816dd7790b3f350774
[INFO] checking yrns/asyn against try#5ec4d3b0c83717313176eefa7d71e9d36dc83355 for 155501-infallible-never-with-reservation
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyrns%2Fasyn" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yrns/asyn
[INFO] finished tweaking git repo https://github.com/yrns/asyn
[INFO] tweaked toml for git repo https://github.com/yrns/asyn written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yrns/asyn on toolchain 5ec4d3b0c83717313176eefa7d71e9d36dc83355
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yrns/asyn 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" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded numeric-array v0.5.2
[INFO] [stderr]   Downloaded typenum v1.16.0
[INFO] [stderr]   Downloaded num-traits v0.2.15
[INFO] [stderr]   Downloaded symphonia-codec-adpcm v0.5.2
[INFO] [stderr]   Downloaded dyn-clone v1.0.11
[INFO] [stderr]   Downloaded thiserror-impl v1.0.40
[INFO] [stderr]   Downloaded scopeguard v1.1.0
[INFO] [stderr]   Downloaded core-foundation-sys v0.6.2
[INFO] [stderr]   Downloaded coreaudio-sys v0.2.12
[INFO] [stderr]   Downloaded shlex v1.1.0
[INFO] [stderr]   Downloaded rsor v0.1.3
[INFO] [stderr]   Downloaded primal-check v0.3.3
[INFO] [stderr]   Downloaded flagset v0.4.3
[INFO] [stderr]   Downloaded winapi-util v0.1.5
[INFO] [stderr]   Downloaded toml_datetime v0.6.1
[INFO] [stderr]   Downloaded symphonia-utils-xiph v0.5.2
[INFO] [stderr]   Downloaded symphonia v0.5.2
[INFO] [stderr]   Downloaded symphonia-format-wav v0.5.2
[INFO] [stderr]   Downloaded transpose v0.2.2
[INFO] [stderr]   Downloaded symphonia-codec-pcm v0.5.2
[INFO] [stderr]   Downloaded lock_api v0.4.9
[INFO] [stderr]   Downloaded strength_reduce v0.2.4
[INFO] [stderr]   Downloaded quote v1.0.26
[INFO] [stderr]   Downloaded jobserver v0.1.26
[INFO] [stderr]   Downloaded parking_lot_core v0.9.7
[INFO] [stderr]   Downloaded num-complex v0.4.3
[INFO] [stderr]   Downloaded mach2 v0.4.1
[INFO] [stderr]   Downloaded walkdir v2.3.3
[INFO] [stderr]   Downloaded oboe v0.5.0
[INFO] [stderr]   Downloaded thiserror v1.0.40
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.4
[INFO] [stderr]   Downloaded symphonia-format-isomp4 v0.5.2
[INFO] [stderr]   Downloaded clang-sys v1.6.1
[INFO] [stderr]   Downloaded coreaudio-rs v0.11.2
[INFO] [stderr]   Downloaded duplicate v1.0.0
[INFO] [stderr]   Downloaded symphonia-format-ogg v0.5.2
[INFO] [stderr]   Downloaded log v0.4.17
[INFO] [stderr]   Downloaded unicode-ident v1.0.8
[INFO] [stderr]   Downloaded parking_lot v0.12.1
[INFO] [stderr]   Downloaded arrayvec v0.7.2
[INFO] [stderr]   Downloaded pin-project v1.0.12
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded once_cell v1.17.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.56
[INFO] [stderr]   Downloaded symphonia-metadata v0.5.2
[INFO] [stderr]   Downloaded symphonia-bundle-flac v0.5.2
[INFO] [stderr]   Downloaded jni v0.20.0
[INFO] [stderr]   Downloaded alsa v0.7.0
[INFO] [stderr]   Downloaded jni v0.19.0
[INFO] [stderr]   Downloaded symphonia-codec-vorbis v0.5.2
[INFO] [stderr]   Downloaded symphonia-format-mkv v0.5.2
[INFO] [stderr]   Downloaded cpal v0.15.2
[INFO] [stderr]   Downloaded bumpalo v3.12.0
[INFO] [stderr]   Downloaded bytemuck v1.13.1
[INFO] [stderr]   Downloaded symphonia-bundle-mp3 v0.5.2
[INFO] [stderr]   Downloaded toml_edit v0.19.8
[INFO] [stderr]   Downloaded thingbuf v0.1.3
[INFO] [stderr]   Downloaded combine v4.6.6
[INFO] [stderr]   Downloaded symphonia-core v0.5.2
[INFO] [stderr]   Downloaded winnow v0.4.1
[INFO] [stderr]   Downloaded oboe-sys v0.5.0
[INFO] [stderr]   Downloaded symphonia-codec-alac v0.5.2
[INFO] [stderr]   Downloaded symphonia-codec-aac v0.5.2
[INFO] [stderr]   Downloaded pin-project-internal v1.0.12
[INFO] [stderr]   Downloaded glam v0.24.0
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded syn v2.0.14
[INFO] [stderr]   Downloaded glam v0.22.0
[INFO] [stderr]   Downloaded rustfft v6.1.0
[INFO] [stderr]   Downloaded fundsp v0.13.0
[INFO] [stderr]   Downloaded libc v0.2.141
[INFO] [stderr]   Downloaded encoding_rs v0.8.32
[INFO] [stderr]   Downloaded funutd v0.11.0
[INFO] [stderr]   Downloaded funutd v0.12.0
[INFO] [stderr]   Downloaded windows v0.46.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2164ce946564a85ab61f0216b07a7a4ee6078cb88034ecb6af038b6f3d839bd9
[INFO] running `Command { std: "docker" "start" "-a" "2164ce946564a85ab61f0216b07a7a4ee6078cb88034ecb6af038b6f3d839bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2164ce946564a85ab61f0216b07a7a4ee6078cb88034ecb6af038b6f3d839bd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2164ce946564a85ab61f0216b07a7a4ee6078cb88034ecb6af038b6f3d839bd9", kill_on_drop: false }`
[INFO] [stdout] 2164ce946564a85ab61f0216b07a7a4ee6078cb88034ecb6af038b6f3d839bd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+5ec4d3b0c83717313176eefa7d71e9d36dc83355" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4bd0c4cc72170d7a14a40166a63c13a3a5b7b87977045a6b19fa614bb7343061
[INFO] running `Command { std: "docker" "start" "-a" "4bd0c4cc72170d7a14a40166a63c13a3a5b7b87977045a6b19fa614bb7343061", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking arrayvec v0.7.2
[INFO] [stderr]     Checking bytemuck v1.13.1
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking encoding_rs v0.8.32
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling quote v1.0.26
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking symphonia-core v0.5.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stdout] error[E0635]: unknown feature `proc_macro_span_shrink`
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/proc-macro2-1.0.56/src/lib.rs:92:30
[INFO] [stdout]    |
[INFO] [stdout] 92 |     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: there is a feature with a similar name: `proc_macro_span_file`
[INFO] [stdout]    |
[INFO] [stdout] 92 -     feature(proc_macro_span, proc_macro_span_shrink)
[INFO] [stdout] 92 +     feature(proc_macro_span, proc_macro_span_file)
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[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 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4bd0c4cc72170d7a14a40166a63c13a3a5b7b87977045a6b19fa614bb7343061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bd0c4cc72170d7a14a40166a63c13a3a5b7b87977045a6b19fa614bb7343061", kill_on_drop: false }`
[INFO] [stdout] 4bd0c4cc72170d7a14a40166a63c13a3a5b7b87977045a6b19fa614bb7343061