[INFO] fetching crate telegrax 0.5.0...
[INFO] checking telegrax-0.5.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate telegrax 0.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] removed /workspace/builds/worker-7-tc2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate telegrax 0.5.0
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate telegrax 0.5.0
[INFO] tweaked toml for crates.io crate telegrax 0.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate telegrax 0.5.0 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 telegrax 0.5.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 06c3035aa8fc65b9098a1ec07ab7345d0b1d03669a39c3b10040014ab7cbc07f
[INFO] running `Command { std: "docker" "start" "-a" "06c3035aa8fc65b9098a1ec07ab7345d0b1d03669a39c3b10040014ab7cbc07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "06c3035aa8fc65b9098a1ec07ab7345d0b1d03669a39c3b10040014ab7cbc07f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06c3035aa8fc65b9098a1ec07ab7345d0b1d03669a39c3b10040014ab7cbc07f", kill_on_drop: false }`
[INFO] [stdout] 06c3035aa8fc65b9098a1ec07ab7345d0b1d03669a39c3b10040014ab7cbc07f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 73fcd6ed85a4dbd239fe4f0564a25043583c82aea81d15924852f1bbb13a45cb
[INFO] running `Command { std: "docker" "start" "-a" "73fcd6ed85a4dbd239fe4f0564a25043583c82aea81d15924852f1bbb13a45cb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.158
[INFO] [stderr]    Compiling serde v1.0.209
[INFO] [stderr]    Compiling slab v0.4.9
[INFO] [stderr]    Compiling cc v1.1.16
[INFO] [stderr]     Checking tinyvec v1.8.0
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]     Checking rustls-pki-types v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling rustls v0.23.12
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking regex-syntax v0.8.4
[INFO] [stderr]     Checking flate2 v1.0.33
[INFO] [stderr]    Compiling syn v2.0.77
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking webpki-roots v0.26.5
[INFO] [stderr]     Checking sdd v3.0.4
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking scc v2.2.2
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking kix v0.4.0
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking url v2.5.2
[INFO] [stderr]     Checking regex-automata v0.4.7
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling serde_derive v1.0.209
[INFO] [stderr]    Compiling serial_test_derive v3.1.1
[INFO] [stderr]     Checking regex v1.10.6
[INFO] [stderr]     Checking serial_test v3.1.1
[INFO] [stderr]     Checking rustls-webpki v0.102.7
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking serde_json v1.0.128
[INFO] [stderr]     Checking serde-hjson v1.0.0
[INFO] [stderr]     Checking luci v0.1.0
[INFO] [stderr]     Checking ureq v2.10.1
[INFO] [stderr]     Checking telegrax v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> tests/integration/kit.rs:22:22
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let files = [PathBuf::from_str(&crate_path)
[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 `telegrax` (test "integration") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "73fcd6ed85a4dbd239fe4f0564a25043583c82aea81d15924852f1bbb13a45cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73fcd6ed85a4dbd239fe4f0564a25043583c82aea81d15924852f1bbb13a45cb", kill_on_drop: false }`
[INFO] [stdout] 73fcd6ed85a4dbd239fe4f0564a25043583c82aea81d15924852f1bbb13a45cb