[INFO] fetching crate watchdog 0.2.6...
[INFO] checking watchdog-0.2.6 against try#b0d0ea232bdae12fa8da8491a91ae1db029990ef for pr-84037
[INFO] extracting crate watchdog 0.2.6 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate watchdog 0.2.6 on toolchain b0d0ea232bdae12fa8da8491a91ae1db029990ef
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate watchdog 0.2.6
[INFO] finished tweaking crates.io crate watchdog 0.2.6
[INFO] tweaked toml for crates.io crate watchdog 0.2.6 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded globwalk v0.3.1
[INFO] [stderr]   Downloaded predicates v0.9.1
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded predicates-tree v0.9.0
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded notify v4.0.16
[INFO] [stderr]   Downloaded subprocess v0.1.20
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded predicates-core v0.9.0
[INFO] [stderr]   Downloaded assert_fs v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "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] 6d4f98daf668413df66f56028c7c665be407888ae782fb400d381da2234af8d0
[INFO] running `Command { std: "docker" "start" "-a" "6d4f98daf668413df66f56028c7c665be407888ae782fb400d381da2234af8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d4f98daf668413df66f56028c7c665be407888ae782fb400d381da2234af8d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d4f98daf668413df66f56028c7c665be407888ae782fb400d381da2234af8d0", kill_on_drop: false }`
[INFO] [stdout] 6d4f98daf668413df66f56028c7c665be407888ae782fb400d381da2234af8d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+b0d0ea232bdae12fa8da8491a91ae1db029990ef" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 4153ed0ae4ac02f1aa6c13005bc1dc86382190c3665dd25adf843a7873655c00
[INFO] running `Command { std: "docker" "start" "-a" "4153ed0ae4ac02f1aa6c13005bc1dc86382190c3665dd25adf843a7873655c00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking predicates-core v0.9.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking float-cmp v0.4.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking predicates-tree v0.9.0
[INFO] [stderr]     Checking predicates v0.9.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking ignore v0.4.17
[INFO] [stderr]     Checking notify v4.0.16
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]     Checking assert_fs v0.9.0
[INFO] [stderr]     Checking watchdog v0.2.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |     cb: &Fn(&mut RecommendedWatcher, &DirEntry),
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut RecommendedWatcher, &DirEntry)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     panic!("{}", e);
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |     cb: &Fn(&mut RecommendedWatcher, &DirEntry),
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut RecommendedWatcher, &DirEntry)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/main.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     panic!(e);
[INFO] [stdout]    |                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     panic!("{}", e);
[INFO] [stdout]    |                            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 33 |                     std::panic::panic_any(e);
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.85s
[INFO] running `Command { std: "docker" "inspect" "4153ed0ae4ac02f1aa6c13005bc1dc86382190c3665dd25adf843a7873655c00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4153ed0ae4ac02f1aa6c13005bc1dc86382190c3665dd25adf843a7873655c00", kill_on_drop: false }`
[INFO] [stdout] 4153ed0ae4ac02f1aa6c13005bc1dc86382190c3665dd25adf843a7873655c00