[INFO] cloning repository https://github.com/krishpranav/rustyflutter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/krishpranav/rustyflutter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishpranav%2Frustyflutter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishpranav%2Frustyflutter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0b1adec820aee397b98e940846c2bb1ecefbe58
[INFO] checking krishpranav/rustyflutter against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishpranav%2Frustyflutter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krishpranav/rustyflutter
[INFO] finished tweaking git repo https://github.com/krishpranav/rustyflutter
[INFO] tweaked toml for git repo https://github.com/krishpranav/rustyflutter written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krishpranav/rustyflutter on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krishpranav/rustyflutter 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] checking krishpranav/rustyflutter against try#b98202ad067d72e45cec8be3d5c15d86ef0fd086 for pr-155193
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkrishpranav%2Frustyflutter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/krishpranav/rustyflutter
[INFO] finished tweaking git repo https://github.com/krishpranav/rustyflutter
[INFO] tweaked toml for git repo https://github.com/krishpranav/rustyflutter written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/krishpranav/rustyflutter on toolchain b98202ad067d72e45cec8be3d5c15d86ef0fd086
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/krishpranav/rustyflutter 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" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-slash v0.1.5
[INFO] [stderr]   Downloaded walkdir v0.1.8
[INFO] [stderr]   Downloaded copy_dir v0.1.2
[INFO] [stderr]   Downloaded utf16_lit v2.0.2
[INFO] [stderr]   Downloaded glib-macros v0.14.1
[INFO] [stderr]   Downloaded gobject-sys v0.14.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.14.9
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.14.0
[INFO] [stderr]   Downloaded gtk3-macros v0.14.0
[INFO] [stderr]   Downloaded gdk-pixbuf v0.14.0
[INFO] [stderr]   Downloaded process_path v0.1.4
[INFO] [stderr]   Downloaded mmap-fixed v0.1.5
[INFO] [stderr]   Downloaded velcro_core v0.5.4
[INFO] [stderr]   Downloaded velcro_macros v0.5.4
[INFO] [stderr]   Downloaded velcro v0.5.4
[INFO] [stderr]   Downloaded windows_macros v0.28.0
[INFO] [stderr]   Downloaded windows_quote v0.28.0
[INFO] [stderr]   Downloaded atk-sys v0.14.0
[INFO] [stderr]   Downloaded pango-sys v0.14.0
[INFO] [stderr]   Downloaded slice-pool v0.4.1
[INFO] [stderr]   Downloaded cfg-expr v0.8.1
[INFO] [stderr]   Downloaded detour v0.8.1
[INFO] [stderr]   Downloaded cairo-rs v0.14.9
[INFO] [stderr]   Downloaded libudis86-sys v0.2.1
[INFO] [stderr]   Downloaded gio-sys v0.14.0
[INFO] [stderr]   Downloaded gdk v0.14.3
[INFO] [stderr]   Downloaded gdk-sys v0.14.0
[INFO] [stderr]   Downloaded glib-sys v0.14.0
[INFO] [stderr]   Downloaded gtk-sys v0.14.0
[INFO] [stderr]   Downloaded glib v0.14.8
[INFO] [stderr]   Downloaded gio v0.14.8
[INFO] [stderr]   Downloaded atk v0.14.0
[INFO] [stderr]   Downloaded pango v0.14.8
[INFO] [stderr]   Downloaded system-deps v3.2.0
[INFO] [stderr]   Downloaded gtk v0.14.3
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.28.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.28.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.28.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.28.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.28.0
[INFO] [stderr]   Downloaded windows-sys v0.28.0
[INFO] [stderr]   Downloaded windows_reader v0.28.0
[INFO] [stderr]   Downloaded windows_gen v0.28.0
[INFO] [stderr]   Downloaded windows v0.28.0
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b99fb34724a0c99d2653656c7e1043dfa569a128421c42f5d0727b5eb1367601
[INFO] running `Command { std: "docker" "start" "-a" "b99fb34724a0c99d2653656c7e1043dfa569a128421c42f5d0727b5eb1367601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b99fb34724a0c99d2653656c7e1043dfa569a128421c42f5d0727b5eb1367601", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b99fb34724a0c99d2653656c7e1043dfa569a128421c42f5d0727b5eb1367601", kill_on_drop: false }`
[INFO] [stdout] b99fb34724a0c99d2653656c7e1043dfa569a128421c42f5d0727b5eb1367601
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b98202ad067d72e45cec8be3d5c15d86ef0fd086" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3363d0cb74ed158c37e9e8c9b1abd86840cde67158b1054686b6f8401b96f983
[INFO] running `Command { std: "docker" "start" "-a" "3363d0cb74ed158c37e9e8c9b1abd86840cde67158b1054686b6f8401b96f983", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling either v1.8.1
[INFO] [stderr]    Compiling version-compare v0.0.11
[INFO] [stderr]    Compiling strum v0.21.0
[INFO] [stderr]    Compiling libc v0.2.141
[INFO] [stderr]    Compiling proc-macro2 v1.0.56
[INFO] [stderr]    Compiling anyhow v1.0.70
[INFO] [stderr]    Compiling cfg-expr v0.8.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling toml_datetime v0.6.1
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling gio v0.14.8
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling field-offset v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.28
[INFO] [stderr]     Checking winapi v0.2.8
[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 gtk v0.14.3
[INFO] [stderr]     Checking unicode-bidi v0.3.13
[INFO] [stderr]    Compiling async-trait v0.1.68
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking cc v1.0.79
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking convert_case v0.4.0
[INFO] [stderr]     Checking dunce v1.0.3
[INFO] [stderr]     Checking path-slash v0.1.5
[INFO] [stderr]     Checking cargo-emit v0.2.1
[INFO] [stderr]     Checking pathdiff v0.2.1
[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" "3363d0cb74ed158c37e9e8c9b1abd86840cde67158b1054686b6f8401b96f983", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3363d0cb74ed158c37e9e8c9b1abd86840cde67158b1054686b6f8401b96f983", kill_on_drop: false }`
[INFO] [stdout] 3363d0cb74ed158c37e9e8c9b1abd86840cde67158b1054686b6f8401b96f983