[INFO] fetching crate squinter-cli 0.3.1...
[INFO] checking squinter-cli-0.3.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate squinter-cli 0.3.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate squinter-cli 0.3.1
[INFO] finished tweaking crates.io crate squinter-cli 0.3.1
[INFO] tweaked toml for crates.io crate squinter-cli 0.3.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate squinter-cli 0.3.1 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 squinter-cli 0.3.1 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] [stderr]     Blocking waiting for file lock on package cache
[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] db406db4b378b1036767a4a7a5ccf07405725ab2eef9c3fc11ceaeac1338ac4b
[INFO] running `Command { std: "docker" "start" "-a" "db406db4b378b1036767a4a7a5ccf07405725ab2eef9c3fc11ceaeac1338ac4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db406db4b378b1036767a4a7a5ccf07405725ab2eef9c3fc11ceaeac1338ac4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db406db4b378b1036767a4a7a5ccf07405725ab2eef9c3fc11ceaeac1338ac4b", kill_on_drop: false }`
[INFO] [stdout] db406db4b378b1036767a4a7a5ccf07405725ab2eef9c3fc11ceaeac1338ac4b
[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] 0f37c7a3265036c4a997f345b4bf03bd29c6017a1468ee0e3d1278ef38a0e632
[INFO] running `Command { std: "docker" "start" "-a" "0f37c7a3265036c4a997f345b4bf03bd29c6017a1468ee0e3d1278ef38a0e632", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]     Checking twox-hash v2.1.0
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking lzma-rs v0.3.0
[INFO] [stderr]     Checking ruzstd v0.8.0
[INFO] [stderr]    Compiling toml_edit v0.19.15
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling proc-macro-crate v1.3.1
[INFO] [stderr]    Compiling num_enum_derive v0.5.11
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking num_enum v0.5.11
[INFO] [stderr]     Checking squinter v0.3.1
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking squinter-cli v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/unsquashfs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     filesystem: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/unsquashfs.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     files: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/unsquashfs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     dir: PathBuf,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `squinter-cli` (bin "unsquashfs" test) 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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/unsquashfs.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     filesystem: PathBuf,
[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<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/unsquashfs.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     files: Vec<PathBuf>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/bin/unsquashfs.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     dir: PathBuf,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `squinter-cli` (bin "unsquashfs") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "0f37c7a3265036c4a997f345b4bf03bd29c6017a1468ee0e3d1278ef38a0e632", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f37c7a3265036c4a997f345b4bf03bd29c6017a1468ee0e3d1278ef38a0e632", kill_on_drop: false }`
[INFO] [stdout] 0f37c7a3265036c4a997f345b4bf03bd29c6017a1468ee0e3d1278ef38a0e632