[INFO] fetching crate manyhow 0.11.4...
[INFO] checking manyhow-0.11.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate manyhow 0.11.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate manyhow 0.11.4
[INFO] finished tweaking crates.io crate manyhow 0.11.4
[INFO] tweaked toml for crates.io crate manyhow 0.11.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate manyhow 0.11.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 12 packages to latest compatible versions
[INFO] [stderr]       Adding darling_core v0.20.11 (available: v0.21.3)
[INFO] [stderr]       Adding proc-macro-utils v0.8.0 (available: v0.10.0)
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.110)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] a0e48d61de3b94ce9890f6a4fab64036fcf1bab2f96c56bda3306d611e147c60
[INFO] running `Command { std: "docker" "start" "-a" "a0e48d61de3b94ce9890f6a4fab64036fcf1bab2f96c56bda3306d611e147c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0e48d61de3b94ce9890f6a4fab64036fcf1bab2f96c56bda3306d611e147c60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0e48d61de3b94ce9890f6a4fab64036fcf1bab2f96c56bda3306d611e147c60", kill_on_drop: false }`
[INFO] [stdout] a0e48d61de3b94ce9890f6a4fab64036fcf1bab2f96c56bda3306d611e147c60
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 486d3df7eb604e0768083ac751e66728498a7cbdea9941c56613f81afedc67d2
[INFO] running `Command { std: "docker" "start" "-a" "486d3df7eb604e0768083ac751e66728498a7cbdea9941c56613f81afedc67d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]     Checking syn v2.0.110
[INFO] [stderr]     Checking proc-macro-utils v0.8.0
[INFO] [stderr]     Checking manyhow v0.11.4 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/lib.rs:294:27
[INFO] [stdout]     |
[INFO] [stdout] 294 |                     match (&$crate::__private::WhatType::from(&output)).manyhow_try(output) {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 728 |         function!(quote!(hello), |input: TokenStream| -> TokenStream { input });
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]     = note: this error originates in the macro `$crate::__macro_handler` which comes from the expansion of the macro `function` (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: std::result::Result<proc_macro::TokenStream, Infallible>
[INFO] [stdout]    --> src/lib.rs:294:27
[INFO] [stdout]     |
[INFO] [stdout] 294 |                       match (&$crate::__private::WhatType::from(&output)).manyhow_try(output) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 732 |           let _: TokenStream1 = function!(
[INFO] [stdout]     |  _______________________________-
[INFO] [stdout] 733 | |             TokenStream1::from(quote!(hello)),
[INFO] [stdout] 734 | |             |input: TokenStream1| -> TokenStream1 { input }
[INFO] [stdout] 735 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::__macro_handler` which comes from the expansion of the macro `function` (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: std::result::Result<proc_macro2::TokenStream, Infallible>
[INFO] [stdout]    --> src/lib.rs:294:27
[INFO] [stdout]     |
[INFO] [stdout] 294 |                       match (&$crate::__private::WhatType::from(&output)).manyhow_try(output) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 741 |           let output: TokenStream = function!(
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 742 | |             #[as_dummy]
[INFO] [stdout] 743 | |             quote!(hello;),
[INFO] [stdout] 744 | |             |input: syn2::LitInt| -> TokenStream { input.into_token_stream() }
[INFO] [stdout] 745 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::__macro_handler` which comes from the expansion of the macro `function` (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: std::result::Result<proc_macro2::Ident, Infallible>
[INFO] [stdout]    --> src/lib.rs:294:27
[INFO] [stdout]     |
[INFO] [stdout] 294 |                       match (&$crate::__private::WhatType::from(&output)).manyhow_try(output) {
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 750 |           let output: TokenStream = function!(quote!(20), |_input: syn2::LitInt| -> syn2::Ident {
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 751 | |             syn2::parse_quote!(hello)
[INFO] [stdout] 752 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::__macro_handler` which comes from the expansion of the macro `function` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `manyhow` (lib test) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "486d3df7eb604e0768083ac751e66728498a7cbdea9941c56613f81afedc67d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "486d3df7eb604e0768083ac751e66728498a7cbdea9941c56613f81afedc67d2", kill_on_drop: false }`
[INFO] [stdout] 486d3df7eb604e0768083ac751e66728498a7cbdea9941c56613f81afedc67d2
