[INFO] fetching crate combiner 0.2.2...
[INFO] checking combiner-0.2.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate combiner 0.2.2 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate combiner 0.2.2
[INFO] finished tweaking crates.io crate combiner 0.2.2
[INFO] tweaked toml for crates.io crate combiner 0.2.2 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate combiner 0.2.2 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 combiner 0.2.2 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 955f8bc84dd36d82f5ab8c4abbccaf92e25a827e2fd7acd4655331ec093f064c
[INFO] running `Command { std: "docker" "start" "-a" "955f8bc84dd36d82f5ab8c4abbccaf92e25a827e2fd7acd4655331ec093f064c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "955f8bc84dd36d82f5ab8c4abbccaf92e25a827e2fd7acd4655331ec093f064c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "955f8bc84dd36d82f5ab8c4abbccaf92e25a827e2fd7acd4655331ec093f064c", kill_on_drop: false }`
[INFO] [stdout] 955f8bc84dd36d82f5ab8c4abbccaf92e25a827e2fd7acd4655331ec093f064c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 90b608cb30f4b820d03a02dd813c5cfce4e8ffb968ac6d5bcdba6979f4eb70a4
[INFO] running `Command { std: "docker" "start" "-a" "90b608cb30f4b820d03a02dd813c5cfce4e8ffb968ac6d5bcdba6979f4eb70a4", kill_on_drop: false }`
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling serde v1.0.203
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling unicode-segmentation v1.11.0
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking csv-core v0.1.11
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking is-terminal v0.4.12
[INFO] [stderr]    Compiling rustix v0.38.34
[INFO] [stderr]     Checking encode_unicode v1.0.0
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking csv v1.3.0
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking prettytable-rs v0.10.0
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking regex v1.10.5
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking fancy-regex v0.12.0
[INFO] [stderr]     Checking predicates v3.1.2
[INFO] [stderr]     Checking globset v0.4.14
[INFO] [stderr]     Checking ignore v0.4.22
[INFO] [stderr]     Checking assert_cmd v2.0.16
[INFO] [stderr]     Checking tiktoken-rs v0.5.9
[INFO] [stderr]     Checking combiner v0.2.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// Input directory to process
[INFO] [stdout] 8 | |     #[structopt(short, long, default_value = ".")]
[INFO] [stdout] 9 | |     directory: String,
[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/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// Output file path/name
[INFO] [stdout] 12 | |     #[structopt(short, long, default_value = "combined_output.txt")]
[INFO] [stdout] 13 | |     output: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Tokenizer to use
[INFO] [stdout] 16 | |     #[structopt(
[INFO] [stdout] 17 | |         short,
[INFO] [stdout] 18 | |         long,
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     )]
[INFO] [stdout] 22 | |     tokenizer: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | /     /// Input directory to process
[INFO] [stdout] 8 | |     #[structopt(short, long, default_value = ".")]
[INFO] [stdout] 9 | |     directory: String,
[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/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | /     /// Output file path/name
[INFO] [stdout] 12 | |     #[structopt(short, long, default_value = "combined_output.txt")]
[INFO] [stdout] 13 | |     output: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<String, Infallible>
[INFO] [stdout]   --> src/main.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | /     /// Tokenizer to use
[INFO] [stdout] 16 | |     #[structopt(
[INFO] [stdout] 17 | |         short,
[INFO] [stdout] 18 | |         long,
[INFO] [stdout] ...  |
[INFO] [stdout] 21 | |     )]
[INFO] [stdout] 22 | |     tokenizer: String,
[INFO] [stdout]    | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `combiner` (bin "combiner" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `combiner` (bin "combiner") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "90b608cb30f4b820d03a02dd813c5cfce4e8ffb968ac6d5bcdba6979f4eb70a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90b608cb30f4b820d03a02dd813c5cfce4e8ffb968ac6d5bcdba6979f4eb70a4", kill_on_drop: false }`
[INFO] [stdout] 90b608cb30f4b820d03a02dd813c5cfce4e8ffb968ac6d5bcdba6979f4eb70a4