[INFO] fetching crate jsave 0.2.1... [INFO] checking jsave-0.2.1 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170 [INFO] extracting crate jsave 0.2.1 into /workspace/builds/worker-2-tc1/source [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-2-tc1/source/Cargo.toml [INFO] validating manifest of crates.io crate jsave 0.2.1 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [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" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e881a2b3bd1804c21819b3de3fa37b6dd818328f3007e2b869feba1d35ca695b [INFO] running `Command { std: "docker" "start" "-a" "e881a2b3bd1804c21819b3de3fa37b6dd818328f3007e2b869feba1d35ca695b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e881a2b3bd1804c21819b3de3fa37b6dd818328f3007e2b869feba1d35ca695b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e881a2b3bd1804c21819b3de3fa37b6dd818328f3007e2b869feba1d35ca695b", kill_on_drop: false }` [INFO] [stdout] e881a2b3bd1804c21819b3de3fa37b6dd818328f3007e2b869feba1d35ca695b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3b0a8c3b7e54d20c28f0740c4a8f66d28df0dac6ae2a3dcc4d489bbbadfe2c57 [INFO] running `Command { std: "docker" "start" "-a" "3b0a8c3b7e54d20c28f0740c4a8f66d28df0dac6ae2a3dcc4d489bbbadfe2c57", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.95 [INFO] [stderr] Compiling parking_lot_core v0.9.11 [INFO] [stderr] Checking smallvec v1.15.1 [INFO] [stderr] Checking parking_lot v0.12.4 [INFO] [stderr] Compiling quote v1.0.40 [INFO] [stderr] Compiling syn v2.0.104 [INFO] [stderr] Compiling serde_derive v1.0.219 [INFO] [stderr] Checking serde v1.0.219 [INFO] [stderr] Checking serde_json v1.0.140 [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 signature `for<'a> fn(&'a _)` [INFO] [stdout] found a closure with signature `fn(&mut _)` [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-1949cf8c6b5b557f/lock_api-0.4.13/src/remutex.rs:676:12 [INFO] [stdout] | [INFO] [stdout] 671 | pub fn try_map( [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 signature `for<'a> fn(&'a _)` [INFO] [stdout] found a closure with signature `fn(&mut _)` [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-1949cf8c6b5b557f/lock_api-0.4.13/src/remutex.rs:676:12 [INFO] [stdout] | [INFO] [stdout] 671 | pub fn try_map( [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" "3b0a8c3b7e54d20c28f0740c4a8f66d28df0dac6ae2a3dcc4d489bbbadfe2c57", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3b0a8c3b7e54d20c28f0740c4a8f66d28df0dac6ae2a3dcc4d489bbbadfe2c57", kill_on_drop: false }` [INFO] [stdout] 3b0a8c3b7e54d20c28f0740c4a8f66d28df0dac6ae2a3dcc4d489bbbadfe2c57