[INFO] cloning repository https://github.com/jhunterkohler/mix
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhunterkohler/mix" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhunterkohler%2Fmix", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhunterkohler%2Fmix'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8b3439854ecaebfd55dadb490533126a564f0bd9
[INFO] checking jhunterkohler/mix 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%2Fjhunterkohler%2Fmix" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jhunterkohler/mix
[INFO] finished tweaking git repo https://github.com/jhunterkohler/mix
[INFO] tweaked toml for git repo https://github.com/jhunterkohler/mix written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jhunterkohler/mix 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/jhunterkohler/mix 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] 8caf3e9552a5d26a983811710c796329bbbe3d84ed15b36bf236d2d41ba3378c
[INFO] running `Command { std: "docker" "start" "-a" "8caf3e9552a5d26a983811710c796329bbbe3d84ed15b36bf236d2d41ba3378c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8caf3e9552a5d26a983811710c796329bbbe3d84ed15b36bf236d2d41ba3378c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8caf3e9552a5d26a983811710c796329bbbe3d84ed15b36bf236d2d41ba3378c", kill_on_drop: false }`
[INFO] [stdout] 8caf3e9552a5d26a983811710c796329bbbe3d84ed15b36bf236d2d41ba3378c
[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] f55433c9fb91b6d50020b4b2820ba9467cfdf36c231350a6f9b9781a6519a631
[INFO] running `Command { std: "docker" "start" "-a" "f55433c9fb91b6d50020b4b2820ba9467cfdf36c231350a6f9b9781a6519a631", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]     Checking predicates-core v1.0.9
[INFO] [stderr]    Compiling assert_cmd v2.0.16
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking termtree v0.5.1
[INFO] [stderr]     Checking mixlib v0.5.0 (/opt/rustwide/workdir/mixlib)
[INFO] [stderr]     Checking predicates-tree v1.0.12
[INFO] [stdout] error: this type will no longer be must used: Result<isize, Infallible>
[INFO] [stdout]     --> mixlib/src/num.rs:1648:21
[INFO] [stdout]      |
[INFO] [stdout] 1648 |                       <$try_from_main_for_T>::try_from(repr)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1675 | / impl_int_conversions! {
[INFO] [stdout] 1676 | |     main_type = Short;
[INFO] [stdout] 1677 | |     repr_type = i16;
[INFO] [stdout] 1678 | |     main_from_repr_unchecked = from_i16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1684 | |     try_from_main_for_T = u8, u16, u32, u64, u128, usize, i8, isize;
[INFO] [stdout] 1685 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]     --> mixlib/src/num.rs:1628:21
[INFO] [stdout]      |
[INFO] [stdout] 1628 |                       <$repr_type>::try_from(value)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1699 | / impl_int_conversions! {
[INFO] [stdout] 1700 | |     main_type = MemoryAddress;
[INFO] [stdout] 1701 | |     repr_type = u16;
[INFO] [stdout] 1702 | |     main_from_repr_unchecked = from_u16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1708 | |     try_from_main_for_T = u8, usize, i8, isize;
[INFO] [stdout] 1709 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (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]     --> mixlib/src/num.rs:1648:21
[INFO] [stdout]      |
[INFO] [stdout] 1648 |                       <$try_from_main_for_T>::try_from(repr)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1699 | / impl_int_conversions! {
[INFO] [stdout] 1700 | |     main_type = MemoryAddress;
[INFO] [stdout] 1701 | |     repr_type = u16;
[INFO] [stdout] 1702 | |     main_from_repr_unchecked = from_u16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1708 | |     try_from_main_for_T = u8, usize, i8, isize;
[INFO] [stdout] 1709 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]     --> mixlib/src/num.rs:1648:21
[INFO] [stdout]      |
[INFO] [stdout] 1648 |                       <$try_from_main_for_T>::try_from(repr)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1718 | / impl_int_conversions! {
[INFO] [stdout] 1719 | |     main_type = LocationCounter;
[INFO] [stdout] 1720 | |     repr_type = u16;
[INFO] [stdout] 1721 | |     main_from_repr_unchecked = from_u16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1727 | |     try_from_main_for_T = u8, usize, i8, isize;
[INFO] [stdout] 1728 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mixlib` (lib test) due to 4 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<isize, Infallible>
[INFO] [stdout]     --> mixlib/src/num.rs:1648:21
[INFO] [stdout]      |
[INFO] [stdout] 1648 |                       <$try_from_main_for_T>::try_from(repr)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1675 | / impl_int_conversions! {
[INFO] [stdout] 1676 | |     main_type = Short;
[INFO] [stdout] 1677 | |     repr_type = i16;
[INFO] [stdout] 1678 | |     main_from_repr_unchecked = from_i16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1684 | |     try_from_main_for_T = u8, u16, u32, u64, u128, usize, i8, isize;
[INFO] [stdout] 1685 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<u16, Infallible>
[INFO] [stdout]     --> mixlib/src/num.rs:1628:21
[INFO] [stdout]      |
[INFO] [stdout] 1628 |                       <$repr_type>::try_from(value)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1699 | / impl_int_conversions! {
[INFO] [stdout] 1700 | |     main_type = MemoryAddress;
[INFO] [stdout] 1701 | |     repr_type = u16;
[INFO] [stdout] 1702 | |     main_from_repr_unchecked = from_u16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1708 | |     try_from_main_for_T = u8, usize, i8, isize;
[INFO] [stdout] 1709 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (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]     --> mixlib/src/num.rs:1648:21
[INFO] [stdout]      |
[INFO] [stdout] 1648 |                       <$try_from_main_for_T>::try_from(repr)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1699 | / impl_int_conversions! {
[INFO] [stdout] 1700 | |     main_type = MemoryAddress;
[INFO] [stdout] 1701 | |     repr_type = u16;
[INFO] [stdout] 1702 | |     main_from_repr_unchecked = from_u16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1708 | |     try_from_main_for_T = u8, usize, i8, isize;
[INFO] [stdout] 1709 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]     --> mixlib/src/num.rs:1648:21
[INFO] [stdout]      |
[INFO] [stdout] 1648 |                       <$try_from_main_for_T>::try_from(repr)
[INFO] [stdout]      |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1718 | / impl_int_conversions! {
[INFO] [stdout] 1719 | |     main_type = LocationCounter;
[INFO] [stdout] 1720 | |     repr_type = u16;
[INFO] [stdout] 1721 | |     main_from_repr_unchecked = from_u16_unchecked;
[INFO] [stdout] ...    |
[INFO] [stdout] 1727 | |     try_from_main_for_T = u8, usize, i8, isize;
[INFO] [stdout] 1728 | | }
[INFO] [stdout]      | |_- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this error originates in the macro `impl_int_conversions` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mixlib` (lib) due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "f55433c9fb91b6d50020b4b2820ba9467cfdf36c231350a6f9b9781a6519a631", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55433c9fb91b6d50020b4b2820ba9467cfdf36c231350a6f9b9781a6519a631", kill_on_drop: false }`
[INFO] [stdout] f55433c9fb91b6d50020b4b2820ba9467cfdf36c231350a6f9b9781a6519a631