[INFO] fetching crate object-rainbow 0.0.0-a.6...
[INFO] checking object-rainbow-0.0.0-a.6 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate object-rainbow 0.0.0-a.6 into /workspace/builds/worker-5-tc2/source
[INFO] removed /workspace/builds/worker-5-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate object-rainbow 0.0.0-a.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate object-rainbow 0.0.0-a.6
[INFO] tweaked toml for crates.io crate object-rainbow 0.0.0-a.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate object-rainbow 0.0.0-a.6 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 object-rainbow 0.0.0-a.6 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] ded254030ad411f42428c9bc2850824e026505631bb5cf96f3212665c6dfdb08
[INFO] running `Command { std: "docker" "start" "-a" "ded254030ad411f42428c9bc2850824e026505631bb5cf96f3212665c6dfdb08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ded254030ad411f42428c9bc2850824e026505631bb5cf96f3212665c6dfdb08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ded254030ad411f42428c9bc2850824e026505631bb5cf96f3212665c6dfdb08", kill_on_drop: false }`
[INFO] [stdout] ded254030ad411f42428c9bc2850824e026505631bb5cf96f3212665c6dfdb08
[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] 0c99d9e1f5fe28564d7563d72bf7ef2a928900ec665de6aeeb5275b0ec66a943
[INFO] running `Command { std: "docker" "start" "-a" "0c99d9e1f5fe28564d7563d72bf7ef2a928900ec665de6aeeb5275b0ec66a943", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]     Checking bitflags v2.9.4
[INFO] [stderr]     Checking linux-raw-sys v0.11.0
[INFO] [stderr]    Compiling libc v0.2.175
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]    Compiling anyhow v1.0.99
[INFO] [stderr]     Checking piper v0.2.4
[INFO] [stderr]     Checking tracing-core v0.1.34
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]     Checking thread_local v1.1.9
[INFO] [stderr]     Checking nu-ansi-term v0.50.1
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking futures-lite v2.6.1
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.20
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.4.1
[INFO] [stderr]     Checking async-executor v1.13.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.6
[INFO] [stderr]     Checking generic-array v0.14.7
[INFO] [stderr]     Checking generic-array v1.2.0
[INFO] [stderr]     Checking event-listener-strategy v0.5.4
[INFO] [stderr]     Checking async-lock v3.4.1
[INFO] [stderr]     Checking async-channel v2.5.0
[INFO] [stderr]     Checking blocking v1.6.2
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking async-fs v2.1.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]    Compiling thiserror-impl v2.0.16
[INFO] [stderr]    Compiling tracing-attributes v0.1.30
[INFO] [stderr]    Compiling object-rainbow-derive v0.0.0-a.5
[INFO] [stderr]     Checking polling v3.10.0
[INFO] [stderr]     Checking async-io v2.5.0
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]     Checking async-signal v0.2.12
[INFO] [stderr]     Checking async-net v2.0.0
[INFO] [stderr]     Checking thiserror v2.0.16
[INFO] [stderr]     Checking async-process v2.4.0
[INFO] [stderr]     Checking object-rainbow v0.0.0-a.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking smol v2.0.2
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout]  96 |                 (*self).try_into().expect("discriminant out of range")
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[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 `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:99:17
[INFO] [stdout]     |
[INFO] [stdout]  99 |                 (*self).try_into().ok()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[INFO] [stdout]     | ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 usize::try_from(self.get())
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[INFO] [stdout]     | ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 usize::try_from(self.get()).ok()?.checked_sub(1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[INFO] [stdout]     | ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 (*self).try_into().expect("discriminant out of range")
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 (*self).try_into().ok()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:251:17
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 usize::try_from(self.get())
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 usize::try_from(self.get()).ok()?.checked_sub(1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `object-rainbow` (lib) due to 8 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:96:17
[INFO] [stdout]     |
[INFO] [stdout]  96 |                 (*self).try_into().expect("discriminant out of range")
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[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 `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:99:17
[INFO] [stdout]     |
[INFO] [stdout]  99 |                 (*self).try_into().ok()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[INFO] [stdout]     | ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:114:17
[INFO] [stdout]     |
[INFO] [stdout] 114 |                 usize::try_from(self.get())
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[INFO] [stdout]     | ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:120:17
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 usize::try_from(self.get()).ok()?.checked_sub(1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 438 | ae!(u8);
[INFO] [stdout]     | ------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `ae` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:233:17
[INFO] [stdout]     |
[INFO] [stdout] 233 |                 (*self).try_into().expect("discriminant out of range")
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:236:17
[INFO] [stdout]     |
[INFO] [stdout] 236 |                 (*self).try_into().ok()
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:251:17
[INFO] [stdout]     |
[INFO] [stdout] 251 |                 usize::try_from(self.get())
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (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<usize, Infallible>
[INFO] [stdout]    --> src/numeric/private.rs:257:17
[INFO] [stdout]     |
[INFO] [stdout] 257 |                 usize::try_from(self.get()).ok()?.checked_sub(1)
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 441 | lebe!(u16);
[INFO] [stdout]     | ---------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `lebe` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `object-rainbow` (lib test) due to 8 previous errors
[INFO] running `Command { std: "docker" "inspect" "0c99d9e1f5fe28564d7563d72bf7ef2a928900ec665de6aeeb5275b0ec66a943", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c99d9e1f5fe28564d7563d72bf7ef2a928900ec665de6aeeb5275b0ec66a943", kill_on_drop: false }`
[INFO] [stdout] 0c99d9e1f5fe28564d7563d72bf7ef2a928900ec665de6aeeb5275b0ec66a943
