[INFO] fetching crate peggen-core 0.3.1...
[INFO] checking peggen-core-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate peggen-core 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate peggen-core 0.3.1
[INFO] finished tweaking crates.io crate peggen-core 0.3.1
[INFO] tweaked toml for crates.io crate peggen-core 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate peggen-core 0.3.1 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 crates.io crate peggen-core 0.3.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 6290a67d592d0ec419d0c9174ce6cb6385c791766f8a2d926640a14e27be4d5a
[INFO] running `Command { std: "docker" "start" "-a" "6290a67d592d0ec419d0c9174ce6cb6385c791766f8a2d926640a14e27be4d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6290a67d592d0ec419d0c9174ce6cb6385c791766f8a2d926640a14e27be4d5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6290a67d592d0ec419d0c9174ce6cb6385c791766f8a2d926640a14e27be4d5a", kill_on_drop: false }`
[INFO] [stdout] 6290a67d592d0ec419d0c9174ce6cb6385c791766f8a2d926640a14e27be4d5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] bb68b90cb2d63b0fa2c00b3e2df09a00b95c00b437d626f343bac0991d1cfd80
[INFO] running `Command { std: "docker" "start" "-a" "bb68b90cb2d63b0fa2c00b3e2df09a00b95c00b437d626f343bac0991d1cfd80", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling cc v1.1.2
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling proc-macro2-diagnostics v0.10.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]    Compiling itertools v0.12.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking aliasable v0.1.3
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking bytemuck v1.16.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.70
[INFO] [stderr]    Compiling psm v0.1.21
[INFO] [stderr]    Compiling stacker v0.1.15
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]    Compiling casey v0.4.0
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]    Compiling ouroboros_macro v0.18.4
[INFO] [stderr]     Checking ouroboros v0.18.4
[INFO] [stderr]     Checking peggen-core v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::string::String, Infallible>
[INFO] [stdout]   --> src/ast_fromstr.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   <$T as core::str::FromStr>::from_str(source).unwrap_or_else(|_| panic!("Cannot captured input into give type. "))
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 | / Impl!(
[INFO] [stdout] 32 | |     i8 i16 i32 i64 i128 isize
[INFO] [stdout] 33 | |     u8 u16 u32 u64 u128 usize
[INFO] [stdout] 34 | |     f32 f64
[INFO] [stdout] 35 | |     bool String
[INFO] [stdout] 36 | | );
[INFO] [stdout]    | |_- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]    = note: this error originates in the macro `Impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<alloc::string::String, Infallible>
[INFO] [stdout]   --> src/ast_fromstr.rs:12:17
[INFO] [stdout]    |
[INFO] [stdout] 12 |                   <$T as core::str::FromStr>::from_str(source).unwrap_or_else(|_| panic!("Cannot captured input into give type. "))
[INFO] [stdout]    |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 31 | / Impl!(
[INFO] [stdout] 32 | |     i8 i16 i32 i64 i128 isize
[INFO] [stdout] 33 | |     u8 u16 u32 u64 u128 usize
[INFO] [stdout] 34 | |     f32 f64
[INFO] [stdout] 35 | |     bool String
[INFO] [stdout] 36 | | );
[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 `Impl` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `peggen-core` (lib) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `peggen-core` (lib test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "bb68b90cb2d63b0fa2c00b3e2df09a00b95c00b437d626f343bac0991d1cfd80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb68b90cb2d63b0fa2c00b3e2df09a00b95c00b437d626f343bac0991d1cfd80", kill_on_drop: false }`
[INFO] [stdout] bb68b90cb2d63b0fa2c00b3e2df09a00b95c00b437d626f343bac0991d1cfd80
