[INFO] fetching crate libglacierdisk 0.7.0...
[INFO] checking libglacierdisk-0.7.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate libglacierdisk 0.7.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libglacierdisk 0.7.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate libglacierdisk 0.7.0
[INFO] tweaked toml for crates.io crate libglacierdisk 0.7.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libglacierdisk 0.7.0 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 libglacierdisk 0.7.0 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] [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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4156469cb056e21e0c2d4e0d86ae6b96002b2e9c932918523d6187fde0a85110
[INFO] running `Command { std: "docker" "start" "-a" "4156469cb056e21e0c2d4e0d86ae6b96002b2e9c932918523d6187fde0a85110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4156469cb056e21e0c2d4e0d86ae6b96002b2e9c932918523d6187fde0a85110", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4156469cb056e21e0c2d4e0d86ae6b96002b2e9c932918523d6187fde0a85110", kill_on_drop: false }`
[INFO] [stdout] 4156469cb056e21e0c2d4e0d86ae6b96002b2e9c932918523d6187fde0a85110
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 4fdc72065d440fb86315d431f7975b4e2d17037be17d8c67879832b2023cfe6a
[INFO] running `Command { std: "docker" "start" "-a" "4fdc72065d440fb86315d431f7975b4e2d17037be17d8c67879832b2023cfe6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.93
[INFO] [stderr]    Compiling unicode-ident v1.0.16
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling getrandom v0.3.1
[INFO] [stderr]    Compiling zerocopy v0.8.18
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking log v0.4.25
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling quote v1.0.38
[INFO] [stderr]    Compiling syn v2.0.98
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking nix v0.26.4
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking sudo v0.6.0
[INFO] [stderr]     Checking rand_core v0.9.1
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]    Compiling c2rust-bitfields-derive v0.19.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking c2rust-bitfields v0.19.0
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking libatasmart-sys v0.2.1
[INFO] [stderr]     Checking rand v0.9.0
[INFO] [stderr]     Checking libatasmart v0.3.2
[INFO] [stderr]     Checking libglacierdisk v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/disk.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |   pub fn raw_disk(&self) -> Option<MutexGuard<libatasmart::Disk>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |   pub fn raw_disk(&self) -> Option<MutexGuard<'_, libatasmart::Disk>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/disk.rs:240:7
[INFO] [stdout]     |
[INFO] [stdout] 240 |       mount[1].parse::<PathBuf>().ok()
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `libglacierdisk` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `libglacierdisk` (lib) due to 1 previous error; 1 warning emitted
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/disk.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |   pub fn raw_disk(&self) -> Option<MutexGuard<libatasmart::Disk>> {
[INFO] [stdout]     |                   ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 131 |   pub fn raw_disk(&self) -> Option<MutexGuard<'_, libatasmart::Disk>> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]    --> src/disk.rs:240:7
[INFO] [stdout]     |
[INFO] [stdout] 240 |       mount[1].parse::<PathBuf>().ok()
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4fdc72065d440fb86315d431f7975b4e2d17037be17d8c67879832b2023cfe6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fdc72065d440fb86315d431f7975b4e2d17037be17d8c67879832b2023cfe6a", kill_on_drop: false }`
[INFO] [stdout] 4fdc72065d440fb86315d431f7975b4e2d17037be17d8c67879832b2023cfe6a
