[INFO] fetching crate jvm-descriptors 0.1.0...
[INFO] checking jvm-descriptors-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate jvm-descriptors 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate jvm-descriptors 0.1.0
[INFO] finished tweaking crates.io crate jvm-descriptors 0.1.0
[INFO] tweaked toml for crates.io crate jvm-descriptors 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate jvm-descriptors 0.1.0 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] [stderr]       Adding chumsky v0.9.3 (available: v0.11.2)
[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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3373faffc280bfcdf1b6f8dfa7cf6c80aebf8bb7d2e54fc6d88deeb99682207f
[INFO] running `Command { std: "docker" "start" "-a" "3373faffc280bfcdf1b6f8dfa7cf6c80aebf8bb7d2e54fc6d88deeb99682207f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3373faffc280bfcdf1b6f8dfa7cf6c80aebf8bb7d2e54fc6d88deeb99682207f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3373faffc280bfcdf1b6f8dfa7cf6c80aebf8bb7d2e54fc6d88deeb99682207f", kill_on_drop: false }`
[INFO] [stdout] 3373faffc280bfcdf1b6f8dfa7cf6c80aebf8bb7d2e54fc6d88deeb99682207f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c12f0bf3ab209bbd98a90521f2ae98d75f5df80cabdf6da00d84f96ce22afc18
[INFO] running `Command { std: "docker" "start" "-a" "c12f0bf3ab209bbd98a90521f2ae98d75f5df80cabdf6da00d84f96ce22afc18", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.32.2
[INFO] [stderr]    Compiling stacker v0.1.22
[INFO] [stderr]     Checking ahash v0.8.12
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling ar_archive_writer v0.2.0
[INFO] [stderr]    Compiling psm v0.1.28
[INFO] [stderr]     Checking chumsky v0.9.3
[INFO] [stderr]     Checking jvm-descriptors v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/method.rs:117:7
[INFO] [stdout]     |
[INFO] [stdout] 117 |       "hello(Ljava/lang/String;)V".parse(),
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/method.rs:118:7
[INFO] [stdout]     |
[INFO] [stdout] 118 | /       Ok(
[INFO] [stdout] 119 | |         Method::Method {
[INFO] [stdout] 120 | |           name: "hello".to_string(),
[INFO] [stdout] 121 | |           parameters: vec![Type::Class(Class {
[INFO] [stdout] ...   |
[INFO] [stdout] 127 | |         .to_string()
[INFO] [stdout] 128 | |       )
[INFO] [stdout]     | |_______^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]    --> src/method.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     assert_eq!(
[INFO] [stdout] 117 | |       "hello(Ljava/lang/String;)V".parse(),
[INFO] [stdout] 118 | |       Ok(
[INFO] [stdout] 119 | |         Method::Method {
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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]    --> src/method.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     assert_eq!(
[INFO] [stdout] 117 | |       "hello(Ljava/lang/String;)V".parse(),
[INFO] [stdout] 118 | |       Ok(
[INFO] [stdout] 119 | |         Method::Method {
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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]    --> src/method.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     assert_eq!(
[INFO] [stdout] 117 | |       "hello(Ljava/lang/String;)V".parse(),
[INFO] [stdout] 118 | |       Ok(
[INFO] [stdout] 119 | |         Method::Method {
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (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]    --> src/method.rs:116:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | /     assert_eq!(
[INFO] [stdout] 117 | |       "hello(Ljava/lang/String;)V".parse(),
[INFO] [stdout] 118 | |       Ok(
[INFO] [stdout] 119 | |         Method::Method {
[INFO] [stdout] ...   |
[INFO] [stdout] 129 | |     );
[INFO] [stdout]     | |_____^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `assert_eq` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jvm-descriptors` (lib test) due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "c12f0bf3ab209bbd98a90521f2ae98d75f5df80cabdf6da00d84f96ce22afc18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c12f0bf3ab209bbd98a90521f2ae98d75f5df80cabdf6da00d84f96ce22afc18", kill_on_drop: false }`
[INFO] [stdout] c12f0bf3ab209bbd98a90521f2ae98d75f5df80cabdf6da00d84f96ce22afc18