[INFO] fetching crate file-watcher 0.0.18...
[INFO] checking file-watcher-0.0.18 against master#893fadd11a52aa26fc19c67ee1b79f03d6a1bed3 for pr-77153
[INFO] extracting crate file-watcher 0.0.18 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate file-watcher 0.0.18 on toolchain 893fadd11a52aa26fc19c67ee1b79f03d6a1bed3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate file-watcher 0.0.18
[INFO] finished tweaking crates.io crate file-watcher 0.0.18
[INFO] tweaked toml for crates.io crate file-watcher 0.0.18 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8088d0e985186cfcee87681faff691868679b3a3bcfc923b7dfb3400d2b15b5f
[INFO] running `Command { std: "docker" "start" "-a" "8088d0e985186cfcee87681faff691868679b3a3bcfc923b7dfb3400d2b15b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8088d0e985186cfcee87681faff691868679b3a3bcfc923b7dfb3400d2b15b5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8088d0e985186cfcee87681faff691868679b3a3bcfc923b7dfb3400d2b15b5f", kill_on_drop: false }`
[INFO] [stdout] 8088d0e985186cfcee87681faff691868679b3a3bcfc923b7dfb3400d2b15b5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+893fadd11a52aa26fc19c67ee1b79f03d6a1bed3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7d97337b69db63055cc671fdf4197f16c5c23984c230838867d59b07d94a46e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e7d97337b69db63055cc671fdf4197f16c5c23984c230838867d59b07d94a46e", kill_on_drop: false }`
[INFO] [stderr]     Checking set-error v1.0.1
[INFO] [stderr]     Checking file-watcher v0.0.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     open_file_func: Rc<Fn(&str) -> WatchingFuncResult<T>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> WatchingFuncResult<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |     functions_on_run: Vec<Rc<Fn(T) -> WatchingFuncResult<T>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> WatchingFuncResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |     function_on_end: Rc<Fn(T) -> Result<(), String>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:18:24
[INFO] [stdout]    |
[INFO] [stdout] 18 |     open_file_func: Rc<Fn(&str) -> WatchingFuncResult<T>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&str) -> WatchingFuncResult<T>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:26:30
[INFO] [stdout]    |
[INFO] [stdout] 26 |     functions_on_run: Vec<Rc<Fn(T) -> WatchingFuncResult<T>>>,
[INFO] [stdout]    |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> WatchingFuncResult<T>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:27:25
[INFO] [stdout]    |
[INFO] [stdout] 27 |     function_on_end: Rc<Fn(T) -> Result<(), String>>,
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(T) -> Result<(), String>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "e7d97337b69db63055cc671fdf4197f16c5c23984c230838867d59b07d94a46e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7d97337b69db63055cc671fdf4197f16c5c23984c230838867d59b07d94a46e", kill_on_drop: false }`
[INFO] [stdout] e7d97337b69db63055cc671fdf4197f16c5c23984c230838867d59b07d94a46e