[INFO] cloning repository https://github.com/Swiiz/asset_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Swiiz/asset_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiiz%2Fasset_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiiz%2Fasset_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f910c37b7ae07f02fcaedadfa98d3849903eb4f
[INFO] checking Swiiz/asset_tree against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSwiiz%2Fasset_tree" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Swiiz/asset_tree
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/Swiiz/asset_tree
[INFO] tweaked toml for git repo https://github.com/Swiiz/asset_tree written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Swiiz/asset_tree on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Swiiz/asset_tree 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de1844ffef983eb828f93a79e33bafcf48cc98099da39d7977057ee193d88a9c
[INFO] running `Command { std: "docker" "start" "-a" "de1844ffef983eb828f93a79e33bafcf48cc98099da39d7977057ee193d88a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de1844ffef983eb828f93a79e33bafcf48cc98099da39d7977057ee193d88a9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de1844ffef983eb828f93a79e33bafcf48cc98099da39d7977057ee193d88a9c", kill_on_drop: false }`
[INFO] [stdout] de1844ffef983eb828f93a79e33bafcf48cc98099da39d7977057ee193d88a9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 976614e8cf5cbfab6626e22702f5433999a81c142a4a46be5e5b3927f6a70591
[INFO] running `Command { std: "docker" "start" "-a" "976614e8cf5cbfab6626e22702f5433999a81c142a4a46be5e5b3927f6a70591", kill_on_drop: false }`
[INFO] [stderr]     Checking asset_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<files::Texture, Infallible>
[INFO] [stdout]   --> examples/full.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     asset_tree::asset_files! {
[INFO] [stdout] 73 | |         Texture : "png",
[INFO] [stdout] 74 | |         Shader : "glsl",
[INFO] [stdout] 75 | |         Blueprint : "bp",
[INFO] [stdout] 76 | |         Json : "json",
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `$crate::asset_files` which comes from the expansion of the macro `asset_tree::asset_files` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<files::Blueprint, Infallible>
[INFO] [stdout]   --> examples/full.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     asset_tree::asset_files! {
[INFO] [stdout] 73 | |         Texture : "png",
[INFO] [stdout] 74 | |         Shader : "glsl",
[INFO] [stdout] 75 | |         Blueprint : "bp",
[INFO] [stdout] 76 | |         Json : "json",
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::asset_files` which comes from the expansion of the macro `asset_tree::asset_files` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<files::Json, Infallible>
[INFO] [stdout]   --> examples/full.rs:72:5
[INFO] [stdout]    |
[INFO] [stdout] 72 | /     asset_tree::asset_files! {
[INFO] [stdout] 73 | |         Texture : "png",
[INFO] [stdout] 74 | |         Shader : "glsl",
[INFO] [stdout] 75 | |         Blueprint : "bp",
[INFO] [stdout] 76 | |         Json : "json",
[INFO] [stdout] 77 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::asset_files` which comes from the expansion of the macro `asset_tree::asset_files` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `asset_tree` (example "full") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "976614e8cf5cbfab6626e22702f5433999a81c142a4a46be5e5b3927f6a70591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "976614e8cf5cbfab6626e22702f5433999a81c142a4a46be5e5b3927f6a70591", kill_on_drop: false }`
[INFO] [stdout] 976614e8cf5cbfab6626e22702f5433999a81c142a4a46be5e5b3927f6a70591