[INFO] fetching crate scanf 2.0.0...
[INFO] checking scanf-2.0.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate scanf 2.0.0 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate scanf 2.0.0
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate scanf 2.0.0
[INFO] tweaked toml for crates.io crate scanf 2.0.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate scanf 2.0.0 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 scanf 2.0.0 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-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] e3d03611d3b5f17767390e02298ac928d98d274c4c8746172733e14faa14d137
[INFO] running `Command { std: "docker" "start" "-a" "e3d03611d3b5f17767390e02298ac928d98d274c4c8746172733e14faa14d137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3d03611d3b5f17767390e02298ac928d98d274c4c8746172733e14faa14d137", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d03611d3b5f17767390e02298ac928d98d274c4c8746172733e14faa14d137", kill_on_drop: false }`
[INFO] [stdout] e3d03611d3b5f17767390e02298ac928d98d274c4c8746172733e14faa14d137
[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] 101dcda781eb24b2425a2a53c2b0b999eac2258c6d824bf94ed139ab8239b3f6
[INFO] running `Command { std: "docker" "start" "-a" "101dcda781eb24b2425a2a53c2b0b999eac2258c6d824bf94ed139ab8239b3f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde_json v1.0.142
[INFO] [stderr]     Checking half v2.6.0
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking clap_builder v4.5.44
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking quote v1.0.40
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking syn v2.0.106
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking criterion-plot v0.6.0
[INFO] [stderr]     Checking clap v4.5.45
[INFO] [stderr]     Checking scanf v2.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.7.0
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> tests/integration_tests.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     sscanf!(input, "{}: {}", &mut request, &mut reply).unwrap();
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[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 `sscanf` (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<String, Infallible>
[INFO] [stdout]   --> tests/integration_tests.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     sscanf!(input, "{name}: {age}").unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]   --> tests/integration_tests.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 46 |     sscanf!(input, "{location}: {} {unit}", &mut temp).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]   --> tests/integration_tests.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 58 |     sscanf!(input, "{}: {}", &mut fruit, &mut count).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]   --> tests/integration_tests.rs:67:5
[INFO] [stdout]    |
[INFO] [stdout] 67 |     sscanf!(input, "{{{}}}", &mut message).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]   --> tests/integration_tests.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 97 |     sscanf!(input, "{name3}: {weight} {unit3}").unwrap();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]    --> tests/integration_tests.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 111 |     sscanf!(input, "{name}: {} {unit}", &mut age).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]    --> tests/integration_tests.rs:124:5
[INFO] [stdout]     |
[INFO] [stdout] 124 |     sscanf!(input, "{}: {}", &mut name, &mut age).unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]    --> tests/integration_tests.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     sscanf!(input, "Score: {any_name}, Player: {other_name}").unwrap();
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `sscanf` (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<String, Infallible>
[INFO] [stdout]    --> tests/integration_tests.rs:146:18
[INFO] [stdout]     |
[INFO] [stdout] 146 |     let result = sscanf!(input, "Score: {score}, Player: {_player}");
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `sscanf` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scanf` (test "integration_tests") due to 10 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "101dcda781eb24b2425a2a53c2b0b999eac2258c6d824bf94ed139ab8239b3f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "101dcda781eb24b2425a2a53c2b0b999eac2258c6d824bf94ed139ab8239b3f6", kill_on_drop: false }`
[INFO] [stdout] 101dcda781eb24b2425a2a53c2b0b999eac2258c6d824bf94ed139ab8239b3f6