[INFO] fetching crate watchdog 0.2.6...
[INFO] testing watchdog-0.2.6 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate watchdog 0.2.6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate watchdog 0.2.6 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", 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-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded normalize-line-endings v0.2.2
[INFO] [stderr]   Downloaded float-cmp v0.4.0
[INFO] [stderr]   Downloaded globwalk v0.3.1
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded predicates v0.9.1
[INFO] [stderr]   Downloaded subprocess v0.1.20
[INFO] [stderr]   Downloaded inotify-sys v0.1.4
[INFO] [stderr]   Downloaded predicates-core v0.9.0
[INFO] [stderr]   Downloaded predicates-tree 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 902bbcc5694b706534b2cffb022023e6bd543a647744e45e32eddc345a352fbf
[INFO] running `Command { std: "docker" "start" "-a" "902bbcc5694b706534b2cffb022023e6bd543a647744e45e32eddc345a352fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "902bbcc5694b706534b2cffb022023e6bd543a647744e45e32eddc345a352fbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "902bbcc5694b706534b2cffb022023e6bd543a647744e45e32eddc345a352fbf", kill_on_drop: false }`
[INFO] [stdout] 902bbcc5694b706534b2cffb022023e6bd543a647744e45e32eddc345a352fbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a00d2d8ffc54241fd007cd32f8c9cc457dcd6a52c3dc0e6bec2c5d52bbca441
[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" "7a00d2d8ffc54241fd007cd32f8c9cc457dcd6a52c3dc0e6bec2c5d52bbca441", kill_on_drop: false }`
[INFO] [stderr]    Compiling predicates-core v0.9.0
[INFO] [stderr]    Compiling normalize-line-endings v0.2.2
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling subprocess v0.1.20
[INFO] [stderr]    Compiling float-cmp v0.4.0
[INFO] [stderr]    Compiling globwalk v0.3.1
[INFO] [stderr]    Compiling predicates v0.9.1
[INFO] [stderr]    Compiling predicates-tree v0.9.0
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling assert_fs v0.9.0
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.03s
[INFO] running `Command { std: "docker" "inspect" "7a00d2d8ffc54241fd007cd32f8c9cc457dcd6a52c3dc0e6bec2c5d52bbca441", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a00d2d8ffc54241fd007cd32f8c9cc457dcd6a52c3dc0e6bec2c5d52bbca441", kill_on_drop: false }`
[INFO] [stdout] 7a00d2d8ffc54241fd007cd32f8c9cc457dcd6a52c3dc0e6bec2c5d52bbca441
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02b0494d852e4818619cdb5d113e40180135326d53a4b8eede90a08e0239337
[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" "e02b0494d852e4818619cdb5d113e40180135326d53a4b8eede90a08e0239337", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.46s
[INFO] running `Command { std: "docker" "inspect" "e02b0494d852e4818619cdb5d113e40180135326d53a4b8eede90a08e0239337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02b0494d852e4818619cdb5d113e40180135326d53a4b8eede90a08e0239337", kill_on_drop: false }`
[INFO] [stdout] e02b0494d852e4818619cdb5d113e40180135326d53a4b8eede90a08e0239337
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 595d5094346d1347b41e73f00efddcbd0f66237948100f7241f79ec850378bd3
[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" "595d5094346d1347b41e73f00efddcbd0f66237948100f7241f79ec850378bd3", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |     cb: &Fn(&mut RecommendedWatcher, &DirEntry),
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&mut RecommendedWatcher, &DirEntry)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/watchdog-c85af80fa89d2d5c
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "595d5094346d1347b41e73f00efddcbd0f66237948100f7241f79ec850378bd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "595d5094346d1347b41e73f00efddcbd0f66237948100f7241f79ec850378bd3", kill_on_drop: false }`
[INFO] [stdout] 595d5094346d1347b41e73f00efddcbd0f66237948100f7241f79ec850378bd3