[INFO] cloning repository https://github.com/various3211workd/file_monitor_learning
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/various3211workd/file_monitor_learning" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarious3211workd%2Ffile_monitor_learning", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarious3211workd%2Ffile_monitor_learning'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6701b77d9f45d4dec0ff6053ae5a35eef526330a
[INFO] testing various3211workd/file_monitor_learning against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvarious3211workd%2Ffile_monitor_learning" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/various3211workd/file_monitor_learning on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/various3211workd/file_monitor_learning
[INFO] finished tweaking git repo https://github.com/various3211workd/file_monitor_learning
[INFO] tweaked toml for git repo https://github.com/various3211workd/file_monitor_learning written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/various3211workd/file_monitor_learning already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f36529524d4732653c628f012a89f4b0c53b5938670cb3438c6931364e9c59bf
[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" "f36529524d4732653c628f012a89f4b0c53b5938670cb3438c6931364e9c59bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f36529524d4732653c628f012a89f4b0c53b5938670cb3438c6931364e9c59bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f36529524d4732653c628f012a89f4b0c53b5938670cb3438c6931364e9c59bf", kill_on_drop: false }`
[INFO] [stdout] f36529524d4732653c628f012a89f4b0c53b5938670cb3438c6931364e9c59bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--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] 19859556e81ef430310e80b468b0cbc8ad6f4db2b69a13d31f1c95616ddf62fb
[INFO] running `Command { std: "docker" "start" "-a" "19859556e81ef430310e80b468b0cbc8ad6f4db2b69a13d31f1c95616ddf62fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling rand_core v0.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling byteorder v1.3.1
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.26
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling lazycell v1.2.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling memchr v2.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling rayon v1.0.3
[INFO] [stderr]    Compiling serde v1.0.85
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling same-file v1.0.4
[INFO] [stderr]    Compiling sysinfo v0.8.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.6.5
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling walkdir v2.2.7
[INFO] [stderr]    Compiling smallvec v0.6.8
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-executor v0.1.6
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.9.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling inotify-sys v0.1.3
[INFO] [stderr]    Compiling filetime v0.2.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling mio v0.6.16
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling tokio-io v0.1.11
[INFO] [stderr]    Compiling mio-extras v2.0.5
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.8
[INFO] [stderr]    Compiling inotify v0.6.1
[INFO] [stderr]    Compiling notify v4.0.7
[INFO] [stderr]    Compiling serde_derive v1.0.85
[INFO] [stderr]    Compiling docopt v0.8.3
[INFO] [stderr]    Compiling moni v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 28s
[INFO] running `Command { std: "docker" "inspect" "19859556e81ef430310e80b468b0cbc8ad6f4db2b69a13d31f1c95616ddf62fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19859556e81ef430310e80b468b0cbc8ad6f4db2b69a13d31f1c95616ddf62fb", kill_on_drop: false }`
[INFO] [stdout] 19859556e81ef430310e80b468b0cbc8ad6f4db2b69a13d31f1c95616ddf62fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--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] a6d338577f3df8b21174d4d295ee5d69429bbfe3cb613e8ba4c45ac4dfa5edb5
[INFO] running `Command { std: "docker" "start" "-a" "a6d338577f3df8b21174d4d295ee5d69429bbfe3cb613e8ba4c45ac4dfa5edb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling moni v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "a6d338577f3df8b21174d4d295ee5d69429bbfe3cb613e8ba4c45ac4dfa5edb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6d338577f3df8b21174d4d295ee5d69429bbfe3cb613e8ba4c45ac4dfa5edb5", kill_on_drop: false }`
[INFO] [stdout] a6d338577f3df8b21174d4d295ee5d69429bbfe3cb613e8ba4c45ac4dfa5edb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", 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] 0fb8de9913c9e5c428705a29a96a50d7de81791562ae9f18bd742a86effb8328
[INFO] running `Command { std: "docker" "start" "-a" "0fb8de9913c9e5c428705a29a96a50d7de81791562ae9f18bd742a86effb8328", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/moni-749707ea9c23e9d3
[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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/moni-080aabfae3eb5949
[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
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests moni
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0fb8de9913c9e5c428705a29a96a50d7de81791562ae9f18bd742a86effb8328", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fb8de9913c9e5c428705a29a96a50d7de81791562ae9f18bd742a86effb8328", kill_on_drop: false }`
[INFO] [stdout] 0fb8de9913c9e5c428705a29a96a50d7de81791562ae9f18bd742a86effb8328