[INFO] fetching crate emojfuscate 0.2.0...
[INFO] checking emojfuscate-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate emojfuscate 0.2.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate emojfuscate 0.2.0
[INFO] finished tweaking crates.io crate emojfuscate 0.2.0
[INFO] tweaked toml for crates.io crate emojfuscate 0.2.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate emojfuscate 0.2.0 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 emojfuscate 0.2.0 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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 47e397c2b847bb6cc9b0c7766aa1d4852f3a3cbfbca4a52abbdb31e299c28c1a
[INFO] running `Command { std: "docker" "start" "-a" "47e397c2b847bb6cc9b0c7766aa1d4852f3a3cbfbca4a52abbdb31e299c28c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "47e397c2b847bb6cc9b0c7766aa1d4852f3a3cbfbca4a52abbdb31e299c28c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47e397c2b847bb6cc9b0c7766aa1d4852f3a3cbfbca4a52abbdb31e299c28c1a", kill_on_drop: false }`
[INFO] [stdout] 47e397c2b847bb6cc9b0c7766aa1d4852f3a3cbfbca4a52abbdb31e299c28c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 520e256992976f2d8b71d15babdcd92dacaa2b825a76af8924dfd641dba6ed39
[INFO] running `Command { std: "docker" "start" "-a" "520e256992976f2d8b71d15babdcd92dacaa2b825a76af8924dfd641dba6ed39", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.86
[INFO] [stderr]    Compiling syn v2.0.71
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]     Checking unicode-ident v1.0.12
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rustix v0.38.34
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking quote v1.0.36
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking tempfile v3.10.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]    Compiling clap_derive v4.5.4
[INFO] [stderr]    Compiling emojfuscate_derive v0.1.0
[INFO] [stderr]     Checking proptest v1.4.0
[INFO] [stderr]     Checking clap v4.5.4
[INFO] [stderr]     Checking emojfuscate v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/emojfuscate/emojfuscate.rs:170:54
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     let start_emoji = usize_to_emoji(usize::try_from(START_EMOJI_VALUE).unwrap());
[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<usize, Infallible>
[INFO] [stdout]    --> src/emojfuscate/emojfuscate.rs:175:53
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let stop_emoji = usize_to_emoji(usize::try_from(STOP_EMOJI_VALUE).unwrap());
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/emojfuscate/emojfuscate.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 usize_to_emoji(usize::try_from(MAX_EMOJI_VALUE + padding).unwrap());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emojfuscate` (lib) due to 3 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<usize, Infallible>
[INFO] [stdout]    --> src/emojfuscate/emojfuscate.rs:170:54
[INFO] [stdout]     |
[INFO] [stdout] 170 |                     let start_emoji = usize_to_emoji(usize::try_from(START_EMOJI_VALUE).unwrap());
[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<usize, Infallible>
[INFO] [stdout]    --> src/emojfuscate/emojfuscate.rs:175:53
[INFO] [stdout]     |
[INFO] [stdout] 175 |                     let stop_emoji = usize_to_emoji(usize::try_from(STOP_EMOJI_VALUE).unwrap());
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<usize, Infallible>
[INFO] [stdout]    --> src/emojfuscate/emojfuscate.rs:203:32
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 usize_to_emoji(usize::try_from(MAX_EMOJI_VALUE + padding).unwrap());
[INFO] [stdout]     |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `emojfuscate` (lib test) due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "520e256992976f2d8b71d15babdcd92dacaa2b825a76af8924dfd641dba6ed39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520e256992976f2d8b71d15babdcd92dacaa2b825a76af8924dfd641dba6ed39", kill_on_drop: false }`
[INFO] [stdout] 520e256992976f2d8b71d15babdcd92dacaa2b825a76af8924dfd641dba6ed39