[INFO] fetching crate jsave 0.2.1...
[INFO] checking jsave-0.2.1 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate jsave 0.2.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate jsave 0.2.1 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8739bdbcb3bf492162d9479f960f518d9e6a13d6c76f325a40ad283b10681cc9
[INFO] running `Command { std: "docker" "start" "-a" "8739bdbcb3bf492162d9479f960f518d9e6a13d6c76f325a40ad283b10681cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8739bdbcb3bf492162d9479f960f518d9e6a13d6c76f325a40ad283b10681cc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8739bdbcb3bf492162d9479f960f518d9e6a13d6c76f325a40ad283b10681cc9", kill_on_drop: false }`
[INFO] [stdout] 8739bdbcb3bf492162d9479f960f518d9e6a13d6c76f325a40ad283b10681cc9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 778b57988227addeac33b22db66ecdbc7d9a308809a01ceb790a07b5f57a2546
[INFO] running `Command { std: "docker" "start" "-a" "778b57988227addeac33b22db66ecdbc7d9a308809a01ceb790a07b5f57a2546", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[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-0.4.11/src/remutex.rs:670:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     pub fn try_map<U: ?Sized, F>(
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 670 |         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-0.4.11/src/remutex.rs:670:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     pub fn try_map<U: ?Sized, F>(
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 670 |         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 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jsave` (lib test) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "778b57988227addeac33b22db66ecdbc7d9a308809a01ceb790a07b5f57a2546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "778b57988227addeac33b22db66ecdbc7d9a308809a01ceb790a07b5f57a2546", kill_on_drop: false }`
[INFO] [stdout] 778b57988227addeac33b22db66ecdbc7d9a308809a01ceb790a07b5f57a2546
[INFO] checking jsave-0.2.1 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate jsave 0.2.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate jsave 0.2.1 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dd5182eca3d50979e692f1718ff3d2959d9ad370eb14e70d1404693171b5dad5
[INFO] running `Command { std: "docker" "start" "-a" "dd5182eca3d50979e692f1718ff3d2959d9ad370eb14e70d1404693171b5dad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd5182eca3d50979e692f1718ff3d2959d9ad370eb14e70d1404693171b5dad5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd5182eca3d50979e692f1718ff3d2959d9ad370eb14e70d1404693171b5dad5", kill_on_drop: false }`
[INFO] [stdout] dd5182eca3d50979e692f1718ff3d2959d9ad370eb14e70d1404693171b5dad5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67ffae35e1f4a69405cc6930ef27d1973ac0c7ed2b368955bd0b16627451d5ef
[INFO] running `Command { std: "docker" "start" "-a" "67ffae35e1f4a69405cc6930ef27d1973ac0c7ed2b368955bd0b16627451d5ef", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.197
[INFO] [stderr]     Checking serde_json v1.0.115
[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-0.4.11/src/remutex.rs:670:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     pub fn try_map<U: ?Sized, F>(
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 670 |         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-0.4.11/src/remutex.rs:670:12
[INFO] [stdout]     |
[INFO] [stdout] 665 |     pub fn try_map<U: ?Sized, F>(
[INFO] [stdout]     |            ------- required by a bound in this associated function
[INFO] [stdout] ...
[INFO] [stdout] 670 |         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 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 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` (lib test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `jsave` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "67ffae35e1f4a69405cc6930ef27d1973ac0c7ed2b368955bd0b16627451d5ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67ffae35e1f4a69405cc6930ef27d1973ac0c7ed2b368955bd0b16627451d5ef", kill_on_drop: false }`
[INFO] [stdout] 67ffae35e1f4a69405cc6930ef27d1973ac0c7ed2b368955bd0b16627451d5ef
