[INFO] fetching crate mech-range 0.2.65...
[INFO] checking mech-range-0.2.65 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate mech-range 0.2.65 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate mech-range 0.2.65
[INFO] finished tweaking crates.io crate mech-range 0.2.65
[INFO] tweaked toml for crates.io crate mech-range 0.2.65 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate mech-range 0.2.65 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 mech-range 0.2.65 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-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c95d48a61820c1b4b713a6b4f7a77de766f9e04c4cf6ea9cdcc3ddb361166443
[INFO] running `Command { std: "docker" "start" "-a" "c95d48a61820c1b4b713a6b4f7a77de766f9e04c4cf6ea9cdcc3ddb361166443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c95d48a61820c1b4b713a6b4f7a77de766f9e04c4cf6ea9cdcc3ddb361166443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c95d48a61820c1b4b713a6b4f7a77de766f9e04c4cf6ea9cdcc3ddb361166443", kill_on_drop: false }`
[INFO] [stdout] c95d48a61820c1b4b713a6b4f7a77de766f9e04c4cf6ea9cdcc3ddb361166443
[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 -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] 7a7618ac6854ea235da0a2f0de5d17dcb5fa16615f11eaf70d053304d777c6cb
[INFO] running `Command { std: "docker" "start" "-a" "7a7618ac6854ea235da0a2f0de5d17dcb5fa16615f11eaf70d053304d777c6cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking bytemuck v1.24.0
[INFO] [stderr]    Compiling matrixmultiply v0.3.10
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking alloc-no-stdlib v2.0.4
[INFO] [stderr]     Checking bytecount v0.6.9
[INFO] [stderr]     Checking unicode-width v0.2.2
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling proc-macro-error-attr2 v2.0.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking inventory v0.3.21
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling nalgebra-macros v0.3.0
[INFO] [stderr]     Checking indexmap v2.12.0
[INFO] [stderr]     Checking alloc-stdlib v0.2.2
[INFO] [stderr]     Checking safe_arch v0.7.4
[INFO] [stderr]     Checking brotli-decompressor v5.0.0
[INFO] [stderr]     Checking papergrid v0.14.0
[INFO] [stderr]    Compiling proc-macro-error2 v2.0.1
[INFO] [stderr]     Checking wide v0.7.33
[INFO] [stderr]    Compiling tabled_derive v0.10.0
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking approx v0.5.1
[INFO] [stderr]     Checking brotli v8.0.2
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking tabled v0.18.0
[INFO] [stderr]     Checking simba v0.9.1
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking bincode v2.0.1
[INFO] [stderr]     Checking nalgebra v0.34.1
[INFO] [stderr]     Checking mech-core v0.2.65
[INFO] [stderr]     Checking mech-range v0.2.65 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/exclusive.rs:89:24
[INFO] [stdout]     |
[INFO] [stdout]  89 |               let size = diff.try_into().map_err(|_| MechError {file: file!().to_string(),tokens: vec![],msg: "Range size overflow".to_stri...
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 | /   impl_range_exclusive_match_arms!(RangeExclusiveScalar, arg1_value, arg2_value,
[INFO] [stdout] 134 | |     F32, "f32";
[INFO] [stdout] 135 | |     F64, "f64";
[INFO] [stdout] 136 | |     i8,  "i8";
[INFO] [stdout] ...   |
[INFO] [stdout] 145 | |     u128,"u128";
[INFO] [stdout] 146 | |   )
[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_range_exclusive_match_arms` (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<usize, Infallible>
[INFO] [stdout]    --> src/inclusive.rs:89:24
[INFO] [stdout]     |
[INFO] [stdout]  89 |               let size = (diff + $ty::one()).try_into().map_err(|_| MechError {file: file!().to_string(),tokens: vec![],msg: "Range size ov...
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 | /   impl_range_inclusive_match_arms!(RangeInclusiveScalar, arg1_value, arg2_value,
[INFO] [stdout] 134 | |     F32, "f32";
[INFO] [stdout] 135 | |     F64, "f64";
[INFO] [stdout] 136 | |     i8,  "i8";
[INFO] [stdout] ...   |
[INFO] [stdout] 145 | |     u128,"u128";
[INFO] [stdout] 146 | |   )
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_range_inclusive_match_arms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mech-range` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/exclusive.rs:89:24
[INFO] [stdout]     |
[INFO] [stdout]  89 |               let size = diff.try_into().map_err(|_| MechError {file: file!().to_string(),tokens: vec![],msg: "Range size overflow".to_stri...
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 | /   impl_range_exclusive_match_arms!(RangeExclusiveScalar, arg1_value, arg2_value,
[INFO] [stdout] 134 | |     F32, "f32";
[INFO] [stdout] 135 | |     F64, "f64";
[INFO] [stdout] 136 | |     i8,  "i8";
[INFO] [stdout] ...   |
[INFO] [stdout] 145 | |     u128,"u128";
[INFO] [stdout] 146 | |   )
[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_range_exclusive_match_arms` (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<usize, Infallible>
[INFO] [stdout]    --> src/inclusive.rs:89:24
[INFO] [stdout]     |
[INFO] [stdout]  89 |               let size = (diff + $ty::one()).try_into().map_err(|_| MechError {file: file!().to_string(),tokens: vec![],msg: "Range size ov...
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 133 | /   impl_range_inclusive_match_arms!(RangeInclusiveScalar, arg1_value, arg2_value,
[INFO] [stdout] 134 | |     F32, "f32";
[INFO] [stdout] 135 | |     F64, "f64";
[INFO] [stdout] 136 | |     i8,  "i8";
[INFO] [stdout] ...   |
[INFO] [stdout] 145 | |     u128,"u128";
[INFO] [stdout] 146 | |   )
[INFO] [stdout]     | |___- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `impl_range_inclusive_match_arms` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mech-range` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "7a7618ac6854ea235da0a2f0de5d17dcb5fa16615f11eaf70d053304d777c6cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7618ac6854ea235da0a2f0de5d17dcb5fa16615f11eaf70d053304d777c6cb", kill_on_drop: false }`
[INFO] [stdout] 7a7618ac6854ea235da0a2f0de5d17dcb5fa16615f11eaf70d053304d777c6cb
