[INFO] fetching crate zip-extensions 0.8.3...
[INFO] checking zip-extensions-0.8.3 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate zip-extensions 0.8.3 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate zip-extensions 0.8.3
[INFO] finished tweaking crates.io crate zip-extensions 0.8.3
[INFO] tweaked toml for crates.io crate zip-extensions 0.8.3 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate zip-extensions 0.8.3 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 zip-extensions 0.8.3 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] [stderr]     Blocking waiting for file lock on package cache
[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] e8c402d57ed417c92d8fab23b9daf348d146cbb94474d43be348b410949a82d7
[INFO] running `Command { std: "docker" "start" "-a" "e8c402d57ed417c92d8fab23b9daf348d146cbb94474d43be348b410949a82d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8c402d57ed417c92d8fab23b9daf348d146cbb94474d43be348b410949a82d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8c402d57ed417c92d8fab23b9daf348d146cbb94474d43be348b410949a82d7", kill_on_drop: false }`
[INFO] [stdout] e8c402d57ed417c92d8fab23b9daf348d146cbb94474d43be348b410949a82d7
[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] 8bc797bfe219bb9ccd3c95e9abc97a0d966ed982d2e0fd344b70fce0bb720305
[INFO] running `Command { std: "docker" "start" "-a" "8bc797bfe219bb9ccd3c95e9abc97a0d966ed982d2e0fd344b70fce0bb720305", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.3.2
[INFO] [stderr]     Checking zlib-rs v0.5.0
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking crc v3.2.1
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]     Checking zopfli v0.8.2
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking sha1 v0.10.6
[INFO] [stderr]     Checking lzma-rs v0.3.0
[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]     Checking libz-rs-sys v0.5.0
[INFO] [stderr]     Checking flate2 v1.1.1
[INFO] [stderr]     Checking xz2 v0.1.7
[INFO] [stderr]    Compiling zeroize_derive v1.4.2
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking zip v3.0.0
[INFO] [stderr]     Checking zip-extensions v0.8.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let archive_file = PathBuf::from_str("missing.zip").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<PathBuf, Infallible>
[INFO] [stdout]   --> src/lib.rs:26:28
[INFO] [stdout]    |
[INFO] [stdout] 26 |         let archive_file = PathBuf::from_str("empty.zip").unwrap();
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zip-extensions` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "8bc797bfe219bb9ccd3c95e9abc97a0d966ed982d2e0fd344b70fce0bb720305", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bc797bfe219bb9ccd3c95e9abc97a0d966ed982d2e0fd344b70fce0bb720305", kill_on_drop: false }`
[INFO] [stdout] 8bc797bfe219bb9ccd3c95e9abc97a0d966ed982d2e0fd344b70fce0bb720305