[INFO] fetching crate manyhow 0.11.4...
[INFO] checking manyhow-0.11.4 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate manyhow 0.11.4 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate manyhow 0.11.4 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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]      Locking 13 packages to latest compatible versions
[INFO] [stderr]       Adding proc-macro-utils v0.8.0 (latest: v0.10.0)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.77)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro-utils v0.8.0
[INFO] [stderr]   Downloaded proc-macro-utils v0.10.0
[INFO] [stderr]   Downloaded manyhow-macros v0.11.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e7b43d5480842f16a43a56096bb5bd2848c75c50c8696a0bbf2c54b239ab874d
[INFO] running `Command { std: "docker" "start" "-a" "e7b43d5480842f16a43a56096bb5bd2848c75c50c8696a0bbf2c54b239ab874d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e7b43d5480842f16a43a56096bb5bd2848c75c50c8696a0bbf2c54b239ab874d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7b43d5480842f16a43a56096bb5bd2848c75c50c8696a0bbf2c54b239ab874d", kill_on_drop: false }`
[INFO] [stdout] e7b43d5480842f16a43a56096bb5bd2848c75c50c8696a0bbf2c54b239ab874d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f65d83ce29f1ac9b076fc56878fc52d855f2cabd98c21eed1a396fe72b6c393c
[INFO] running `Command { std: "docker" "start" "-a" "f65d83ce29f1ac9b076fc56878fc52d855f2cabd98c21eed1a396fe72b6c393c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]    Compiling smallvec v1.13.2
[INFO] [stderr]    Compiling proc-macro-utils v0.10.0
[INFO] [stderr]     Checking quote v1.0.37
[INFO] [stderr]    Compiling manyhow-macros v0.11.4
[INFO] [stderr]     Checking syn v2.0.77
[INFO] [stderr]     Checking proc-macro-utils v0.8.0
[INFO] [stderr]     Checking manyhow v0.11.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                         Err(error) => {
[INFO] [stdout]     |                         ^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout] ...
[INFO] [stdout] 728 |         function!(quote!(hello), |input: TokenStream| -> TokenStream { input });
[INFO] [stdout]     |         ----------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__macro_handler` which comes from the expansion of the macro `function` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                           Err(error) => {
[INFO] [stdout]     |                           ^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout] ...
[INFO] [stdout] 732 |           let _: TokenStream1 = function!(
[INFO] [stdout]     |  _______________________________-
[INFO] [stdout] 733 | |             TokenStream1::from(quote!(hello)),
[INFO] [stdout] 734 | |             |input: TokenStream1| -> TokenStream1 { input }
[INFO] [stdout] 735 | |         );
[INFO] [stdout]     | |_________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: this warning originates in the macro `$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] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                           Err(error) => {
[INFO] [stdout]     |                           ^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[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: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: this warning originates in the macro `$crate::__macro_handler` which comes from the expansion of the macro `function` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/lib.rs:295:25
[INFO] [stdout]     |
[INFO] [stdout] 295 |                           Err(error) => {
[INFO] [stdout]     |                           ^^^^^^^^^^ matches no values because `Infallible` is uninhabited
[INFO] [stdout] ...
[INFO] [stdout] 750 |           let output: TokenStream = function!(quote!(20), |_input: syn2::LitInt| -> syn2::Ident {
[INFO] [stdout]     |  ___________________________________-
[INFO] [stdout] 751 | |             syn2::parse_quote!(hello)
[INFO] [stdout] 752 | |         });
[INFO] [stdout]     | |__________- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: to learn more about uninhabited types, see https://doc.rust-lang.org/nomicon/exotic-sizes.html#empty-types
[INFO] [stdout]     = note: this warning originates in the macro `$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] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `Command { std: "docker" "inspect" "f65d83ce29f1ac9b076fc56878fc52d855f2cabd98c21eed1a396fe72b6c393c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f65d83ce29f1ac9b076fc56878fc52d855f2cabd98c21eed1a396fe72b6c393c", kill_on_drop: false }`
[INFO] [stdout] f65d83ce29f1ac9b076fc56878fc52d855f2cabd98c21eed1a396fe72b6c393c