[INFO] fetching crate cargo-blinc 0.1.2...
[INFO] checking cargo-blinc-0.1.2 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate cargo-blinc 0.1.2 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate cargo-blinc 0.1.2
[INFO] finished tweaking crates.io crate cargo-blinc 0.1.2
[INFO] tweaked toml for crates.io crate cargo-blinc 0.1.2 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate cargo-blinc 0.1.2 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 cargo-blinc 0.1.2 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 3a97c0a11fffdabae6c6960ec142e1c1929c80091aa93bd8e23b3bb226d4f0ed
[INFO] running `Command { std: "docker" "start" "-a" "3a97c0a11fffdabae6c6960ec142e1c1929c80091aa93bd8e23b3bb226d4f0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3a97c0a11fffdabae6c6960ec142e1c1929c80091aa93bd8e23b3bb226d4f0ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3a97c0a11fffdabae6c6960ec142e1c1929c80091aa93bd8e23b3bb226d4f0ed", kill_on_drop: false }`
[INFO] [stdout] 3a97c0a11fffdabae6c6960ec142e1c1929c80091aa93bd8e23b3bb226d4f0ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 06b9e48ed8ecaf1cca6d93d4e60ff8f5255473e31a30f54171108a9f881ccc49
[INFO] running `Command { std: "docker" "start" "-a" "06b9e48ed8ecaf1cca6d93d4e60ff8f5255473e31a30f54171108a9f881ccc49", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]     Checking memchr v2.6.3
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling pkg-config v0.3.27
[INFO] [stderr]    Compiling futures-core v0.3.28
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling futures-task v0.3.28
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling rusb v0.8.1
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]    Compiling lock_api v0.4.10
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling parking_lot_core v0.9.8
[INFO] [stderr]    Compiling rustix v0.38.13
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling thiserror v1.0.48
[INFO] [stderr]     Checking smallvec v1.11.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unicode-width v0.1.10
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]     Checking linux-raw-sys v0.4.7
[INFO] [stderr]     Checking bitflags v2.4.0
[INFO] [stderr]     Checking aho-corasick v1.0.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking termcolor v1.2.0
[INFO] [stderr]     Checking anstyle v1.0.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.33
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking is-terminal v0.4.9
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking regex-automata v0.3.8
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]    Compiling libusb1-sys v0.5.0
[INFO] [stderr]     Checking blinkrs v1.0.2
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling thiserror-impl v1.0.48
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]     Checking regex v1.9.5
[INFO] [stderr]     Checking bstr v1.6.2
[INFO] [stderr]     Checking predicates v3.0.3
[INFO] [stderr]     Checking env_logger v0.10.0
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking assert_cmd v2.0.12
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking transition v0.1.1
[INFO] [stderr]     Checking toml_edit v0.20.0
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking cargo-blinc v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         /// Initializes configuration file named .blinc (note the dot)
[INFO] [stdout] 11 | |         #[structopt(short, long)]
[INFO] [stdout] 12 | |         init: Option<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<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | /         /// Points to configuration file
[INFO] [stdout] 15 | |         #[structopt(short, long, default_value = ".blinc")]
[INFO] [stdout] 16 | |         config: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-blinc` (bin "cargo-blinc") due to 2 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<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 | /         /// Initializes configuration file named .blinc (note the dot)
[INFO] [stdout] 11 | |         #[structopt(short, long)]
[INFO] [stdout] 12 | |         init: Option<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<std::string::String, Infallible>
[INFO] [stdout]   --> src/args.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | /         /// Points to configuration file
[INFO] [stdout] 15 | |         #[structopt(short, long, default_value = ".blinc")]
[INFO] [stdout] 16 | |         config: String,
[INFO] [stdout]    | |______________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo-blinc` (bin "cargo-blinc" test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "06b9e48ed8ecaf1cca6d93d4e60ff8f5255473e31a30f54171108a9f881ccc49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06b9e48ed8ecaf1cca6d93d4e60ff8f5255473e31a30f54171108a9f881ccc49", kill_on_drop: false }`
[INFO] [stdout] 06b9e48ed8ecaf1cca6d93d4e60ff8f5255473e31a30f54171108a9f881ccc49
