[INFO] fetching crate jsave 0.2.1...
[INFO] testing jsave-0.2.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate jsave 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate jsave 0.2.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsave 0.2.1
[INFO] finished tweaking crates.io crate jsave 0.2.1
[INFO] tweaked toml for crates.io crate jsave 0.2.1 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f621aa68bccf9e7cb8655c07379a95e93fdf61b20b572ef2b0a09e7caa44d10
[INFO] running `Command { std: "docker" "start" "-a" "2f621aa68bccf9e7cb8655c07379a95e93fdf61b20b572ef2b0a09e7caa44d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f621aa68bccf9e7cb8655c07379a95e93fdf61b20b572ef2b0a09e7caa44d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f621aa68bccf9e7cb8655c07379a95e93fdf61b20b572ef2b0a09e7caa44d10", kill_on_drop: false }`
[INFO] [stdout] 2f621aa68bccf9e7cb8655c07379a95e93fdf61b20b572ef2b0a09e7caa44d10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d692784d1ec66eebc50fff62964e1d22c09fbd3a8fe41fb35faef448d880363c
[INFO] running `Command { std: "docker" "start" "-a" "d692784d1ec66eebc50fff62964e1d22c09fbd3a8fe41fb35faef448d880363c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling jsave v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0277]: expected a `FnOnce<(&T,)>` closure, found `F`
[INFO] [stdout]    --> src/remutex.rs:192:52
[INFO] [stdout]     |
[INFO] [stdout] 192 |         InnerReentrantMutexGuard::try_map(s.guard, f).map_or_else(
[INFO] [stdout]     |         ---------------------------------          ^ expected an `FnOnce<(&T,)>` closure, found `F`
[INFO] [stdout]     |         |
[INFO] [stdout]     |         required by a bound introduced by this call
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected a closure with arguments `(&mut T,)`
[INFO] [stdout]                found a closure with arguments `(&T,)`
[INFO] [stdout] note: required by a bound in `parking_lot::lock_api::ReentrantMutexGuard::<'a, R, G, T>::try_map`
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/lock_api-0.4.9/src/remutex.rs:657:12
[INFO] [stdout]     |
[INFO] [stdout] 657 |         F: FnOnce(&T) -> Option<&U>,
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^ required by this bound in `ReentrantMutexGuard::<'a, R, G, T>::try_map`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsave` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "d692784d1ec66eebc50fff62964e1d22c09fbd3a8fe41fb35faef448d880363c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d692784d1ec66eebc50fff62964e1d22c09fbd3a8fe41fb35faef448d880363c", kill_on_drop: false }`
[INFO] [stdout] d692784d1ec66eebc50fff62964e1d22c09fbd3a8fe41fb35faef448d880363c
