[INFO] fetching crate jsave 0.2.1...
[INFO] checking jsave-0.2.1 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate jsave 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate jsave 0.2.1 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "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-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9321cb740f1d5536b72763062cac1c141a91a2d572dd552d563e36bed3dfc2f2
[INFO] running `Command { std: "docker" "start" "-a" "9321cb740f1d5536b72763062cac1c141a91a2d572dd552d563e36bed3dfc2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9321cb740f1d5536b72763062cac1c141a91a2d572dd552d563e36bed3dfc2f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9321cb740f1d5536b72763062cac1c141a91a2d572dd552d563e36bed3dfc2f2", kill_on_drop: false }`
[INFO] [stdout] 9321cb740f1d5536b72763062cac1c141a91a2d572dd552d563e36bed3dfc2f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f2d46755806c0cb78fe2cff8a76e719a49991cfe4425a9396ca6c6bd2b83ec80
[INFO] running `Command { std: "docker" "start" "-a" "f2d46755806c0cb78fe2cff8a76e719a49991cfe4425a9396ca6c6bd2b83ec80", kill_on_drop: false }`
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]     Checking 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 _,)`
[INFO] [stdout]                found a closure with arguments `(&_,)`
[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/index.crates.io-6f17d22bba15001f/lock_api-0.4.12/src/remutex.rs:676:12
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn try_map<U: ?Sized, F>(
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 676 |         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[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 _,)`
[INFO] [stdout]                found a closure with arguments `(&_,)`
[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/index.crates.io-6f17d22bba15001f/lock_api-0.4.12/src/remutex.rs:676:12
[INFO] [stdout]     |
[INFO] [stdout] 671 |     pub fn try_map<U: ?Sized, F>(
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 676 |         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] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `jsave` (lib test) due to 1 previous error
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jsave` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "f2d46755806c0cb78fe2cff8a76e719a49991cfe4425a9396ca6c6bd2b83ec80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2d46755806c0cb78fe2cff8a76e719a49991cfe4425a9396ca6c6bd2b83ec80", kill_on_drop: false }`
[INFO] [stdout] f2d46755806c0cb78fe2cff8a76e719a49991cfe4425a9396ca6c6bd2b83ec80
