[INFO] fetching crate rs-filewatch-trigger 0.2.1...
[INFO] testing rs-filewatch-trigger-0.2.1 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate rs-filewatch-trigger 0.2.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rs-filewatch-trigger 0.2.1 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 rs-filewatch-trigger 0.2.1
[INFO] finished tweaking crates.io crate rs-filewatch-trigger 0.2.1
[INFO] tweaked toml for crates.io crate rs-filewatch-trigger 0.2.1 written to /workspace/builds/worker-4/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 path-dedot v1.2.4
[INFO] [stderr]   Downloaded vlog v0.1.4
[INFO] [stderr]   Downloaded slash-formatter v2.2.6
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded path-absolutize v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stdout] 2ba43c49fd84502a196d78fd81498b935c43d131b5a2050cc2cf7bfd9305406e
[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" "2ba43c49fd84502a196d78fd81498b935c43d131b5a2050cc2cf7bfd9305406e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2ba43c49fd84502a196d78fd81498b935c43d131b5a2050cc2cf7bfd9305406e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba43c49fd84502a196d78fd81498b935c43d131b5a2050cc2cf7bfd9305406e", kill_on_drop: false }`
[INFO] [stdout] 2ba43c49fd84502a196d78fd81498b935c43d131b5a2050cc2cf7bfd9305406e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 2eea30aa135be366929f6a6508c2bbc64b1e8e529bd448ffa321c920cb0a0af0
[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" "2eea30aa135be366929f6a6508c2bbc64b1e8e529bd448ffa321c920cb0a0af0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling slash-formatter v2.2.6
[INFO] [stderr]    Compiling strfmt v0.1.6
[INFO] [stderr]    Compiling vlog v0.1.4
[INFO] [stderr]    Compiling path-dedot v1.2.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.4
[INFO] [stderr]    Compiling bstr v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling regex v1.4.2
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling path-absolutize v1.2.1
[INFO] [stderr]    Compiling signal-hook v0.1.17
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling globset v0.4.6
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling rs-filewatch-trigger v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut watcher: Box<WeakWatcher> = if !config.force_poll {
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn WeakWatcher`
[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 37.98s
[INFO] running `Command { std: "docker" "inspect" "2eea30aa135be366929f6a6508c2bbc64b1e8e529bd448ffa321c920cb0a0af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eea30aa135be366929f6a6508c2bbc64b1e8e529bd448ffa321c920cb0a0af0", kill_on_drop: false }`
[INFO] [stdout] 2eea30aa135be366929f6a6508c2bbc64b1e8e529bd448ffa321c920cb0a0af0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] dae56fb6f070a5d9529d0bd4723540f6869759d5808863c9cce1b2bda5522b8f
[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" "dae56fb6f070a5d9529d0bd4723540f6869759d5808863c9cce1b2bda5522b8f", kill_on_drop: false }`
[INFO] [stderr]    Compiling rs-filewatch-trigger v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:67:26
[INFO] [stdout]    |
[INFO] [stdout] 67 |     let mut watcher: Box<WeakWatcher> = if !config.force_poll {
[INFO] [stdout]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn WeakWatcher`
[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 1.56s
[INFO] running `Command { std: "docker" "inspect" "dae56fb6f070a5d9529d0bd4723540f6869759d5808863c9cce1b2bda5522b8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dae56fb6f070a5d9529d0bd4723540f6869759d5808863c9cce1b2bda5522b8f", kill_on_drop: false }`
[INFO] [stdout] dae56fb6f070a5d9529d0bd4723540f6869759d5808863c9cce1b2bda5522b8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 77d5373e58f4438f44d7e81df3a50e9b908118d971f5479ef47bf4cf50895b02
[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" "77d5373e58f4438f44d7e81df3a50e9b908118d971f5479ef47bf4cf50895b02", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:67:26
[INFO] [stderr]    |
[INFO] [stderr] 67 |     let mut watcher: Box<WeakWatcher> = if !config.force_poll {
[INFO] [stderr]    |                          ^^^^^^^^^^^ help: use `dyn`: `dyn WeakWatcher`
[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 0.10s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/fwt-51387e325dfacf2f
[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" "77d5373e58f4438f44d7e81df3a50e9b908118d971f5479ef47bf4cf50895b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77d5373e58f4438f44d7e81df3a50e9b908118d971f5479ef47bf4cf50895b02", kill_on_drop: false }`
[INFO] [stdout] 77d5373e58f4438f44d7e81df3a50e9b908118d971f5479ef47bf4cf50895b02