[INFO] fetching crate clipline 0.4.0...
[INFO] checking clipline-0.4.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate clipline 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate clipline 0.4.0
[INFO] finished tweaking crates.io crate clipline 0.4.0
[INFO] tweaked toml for crates.io crate clipline 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate clipline 0.4.0 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 clipline 0.4.0 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 06b2bb589ff6333b45fb2edceed33064617b25335e0eeb93e19c055866bb168b
[INFO] running `Command { std: "docker" "start" "-a" "06b2bb589ff6333b45fb2edceed33064617b25335e0eeb93e19c055866bb168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06b2bb589ff6333b45fb2edceed33064617b25335e0eeb93e19c055866bb168b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b2bb589ff6333b45fb2edceed33064617b25335e0eeb93e19c055866bb168b", kill_on_drop: false }`
[INFO] [stdout] 06b2bb589ff6333b45fb2edceed33064617b25335e0eeb93e19c055866bb168b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 913d9b528cf300dd4e466c685a408082d550522ededf684fc938aa6558033e2d
[INFO] running `Command { std: "docker" "start" "-a" "913d9b528cf300dd4e466c685a408082d550522ededf684fc938aa6558033e2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling rustix v1.0.8
[INFO] [stderr]     Checking linux-raw-sys v0.9.4
[INFO] [stderr]     Checking bitflags v2.9.1
[INFO] [stderr]     Checking once_cell v1.21.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking clipline v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.3.3
[INFO] [stderr]     Checking wait-timeout v0.2.1
[INFO] [stderr]     Checking rand_core v0.9.3
[INFO] [stderr]     Checking rand v0.9.2
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking tempfile v3.20.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_a.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | line_au!(u16 | i16, exact = ["16", "32", "64"]);
[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 `iter_fwd` which comes from the expansion of the macro `line_au` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_a.rs:121:1
[INFO] [stdout]     |
[INFO] [stdout] 121 | line_au!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_au` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_a.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | line_a!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_a` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_a.rs:229:1
[INFO] [stdout]     |
[INFO] [stdout] 229 | line_a!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_a` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_b.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | line_bu!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_bu` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_b.rs:142:1
[INFO] [stdout]     |
[INFO] [stdout] 142 | line_bu!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_bu` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_b.rs:250:1
[INFO] [stdout]     |
[INFO] [stdout] 250 | line_b!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_b` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_b.rs:250:1
[INFO] [stdout]     |
[INFO] [stdout] 250 | line_b!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ---------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_b` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_d.rs:211:1
[INFO] [stdout]     |
[INFO] [stdout] 211 | line_d2!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_d2` (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/macros.rs:121:27
[INFO] [stdout]     |
[INFO] [stdout] 121 |                 let len = usize::try_from(self.len()).expect("cannot overflow");
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/line_d.rs:211:1
[INFO] [stdout]     |
[INFO] [stdout] 211 | line_d2!(u16 | i16, exact = ["16", "32", "64"]);
[INFO] [stdout]     | ----------------------------------------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `iter_fwd` which comes from the expansion of the macro `line_d2` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking proptest v1.7.0
[INFO] [stderr] error: could not compile `clipline` (lib) due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "913d9b528cf300dd4e466c685a408082d550522ededf684fc938aa6558033e2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "913d9b528cf300dd4e466c685a408082d550522ededf684fc938aa6558033e2d", kill_on_drop: false }`
[INFO] [stdout] 913d9b528cf300dd4e466c685a408082d550522ededf684fc938aa6558033e2d