[INFO] fetching crate masterpg 2.0.1...
[INFO] checking masterpg-2.0.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate masterpg 2.0.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate masterpg 2.0.1
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate masterpg 2.0.1
[INFO] tweaked toml for crates.io crate masterpg 2.0.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate masterpg 2.0.1 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 masterpg 2.0.1 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] 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] d1fe1a45650b9100f671e7bfc2fb49ca00c799d8c95543b51d09594b90593a63
[INFO] running `Command { std: "docker" "start" "-a" "d1fe1a45650b9100f671e7bfc2fb49ca00c799d8c95543b51d09594b90593a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d1fe1a45650b9100f671e7bfc2fb49ca00c799d8c95543b51d09594b90593a63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1fe1a45650b9100f671e7bfc2fb49ca00c799d8c95543b51d09594b90593a63", kill_on_drop: false }`
[INFO] [stdout] d1fe1a45650b9100f671e7bfc2fb49ca00c799d8c95543b51d09594b90593a63
[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] 7c567d61fa63d699df5e08e177b8b2576b730af2cc0d33f2b6f376b9ec194262
[INFO] running `Command { std: "docker" "start" "-a" "7c567d61fa63d699df5e08e177b8b2576b730af2cc0d33f2b6f376b9ec194262", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.97
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]     Checking nom v8.0.0
[INFO] [stderr]     Checking tree_by_path v1.0.3
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking parking_lot_core v0.9.11
[INFO] [stderr]     Checking fslock v0.2.1
[INFO] [stderr]     Checking parking_lot v0.12.4
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]    Compiling serial_test_derive v2.0.0
[INFO] [stderr]     Checking serial_test v2.0.0
[INFO] [stderr]     Checking string_io_and_mock v1.0.1
[INFO] [stderr]     Checking laconic v2.0.0
[INFO] [stderr]     Checking masterpg v2.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<OsString, Infallible>
[INFO] [stdout]   --> tests/utils/mod.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     OsString::from_str(TESTFILES_DIR).unwrap()
[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 `masterpg` (test "integration_tests") due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "7c567d61fa63d699df5e08e177b8b2576b730af2cc0d33f2b6f376b9ec194262", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c567d61fa63d699df5e08e177b8b2576b730af2cc0d33f2b6f376b9ec194262", kill_on_drop: false }`
[INFO] [stdout] 7c567d61fa63d699df5e08e177b8b2576b730af2cc0d33f2b6f376b9ec194262