[INFO] fetching crate hwatch 0.1.6...
[INFO] testing hwatch-0.1.6 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate hwatch 0.1.6 into /workspace/builds/worker-97/source
[INFO] validating manifest of crates.io crate hwatch 0.1.6 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hwatch 0.1.6
[INFO] finished tweaking crates.io crate hwatch 0.1.6
[INFO] tweaked toml for crates.io crate hwatch 0.1.6 written to /workspace/builds/worker-97/source/Cargo.toml
[INFO] crate crates.io crate hwatch 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b8a7f9ac47510c980ba7251100797fe67288437615682c54a6b037e7622c570
[INFO] running `Command { std: "docker" "start" "-a" "3b8a7f9ac47510c980ba7251100797fe67288437615682c54a6b037e7622c570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b8a7f9ac47510c980ba7251100797fe67288437615682c54a6b037e7622c570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b8a7f9ac47510c980ba7251100797fe67288437615682c54a6b037e7622c570", kill_on_drop: false }`
[INFO] [stdout] 3b8a7f9ac47510c980ba7251100797fe67288437615682c54a6b037e7622c570
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b81a233bbcefd21f299bd4cca9080e73c8b87d54065ee21a50dc1301e5cc8fa
[INFO] running `Command { std: "docker" "start" "-a" "5b81a233bbcefd21f299bd4cca9080e73c8b87d54065ee21a50dc1301e5cc8fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling proc-macro2 v1.0.30
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling difference v2.0.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling ncurses v5.101.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling time v0.1.41
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling chrono v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling hwatch v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_command`
[INFO] [stdout]    --> src/view/mod.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn set_command(&mut self, _command: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/common.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     writeln!(logfile, "{}", logdata);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/view/mod.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 logging_result(&self.logfile, &_result);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.16s
[INFO] running `Command { std: "docker" "inspect" "5b81a233bbcefd21f299bd4cca9080e73c8b87d54065ee21a50dc1301e5cc8fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b81a233bbcefd21f299bd4cca9080e73c8b87d54065ee21a50dc1301e5cc8fa", kill_on_drop: false }`
[INFO] [stdout] 5b81a233bbcefd21f299bd4cca9080e73c8b87d54065ee21a50dc1301e5cc8fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7edfa54fc70a96aac25ddc69caa27275d8a5923b9b3a6e9b01d394c0eca44e86
[INFO] running `Command { std: "docker" "start" "-a" "7edfa54fc70a96aac25ddc69caa27275d8a5923b9b3a6e9b01d394c0eca44e86", kill_on_drop: false }`
[INFO] [stderr]    Compiling hwatch v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `set_command`
[INFO] [stdout]    --> src/view/mod.rs:237:12
[INFO] [stdout]     |
[INFO] [stdout] 237 |     pub fn set_command(&mut self, _command: String) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/common.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 |     writeln!(logfile, "{}", logdata);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/view/mod.rs:110:17
[INFO] [stdout]     |
[INFO] [stdout] 110 |                 logging_result(&self.logfile, &_result);
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "7edfa54fc70a96aac25ddc69caa27275d8a5923b9b3a6e9b01d394c0eca44e86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7edfa54fc70a96aac25ddc69caa27275d8a5923b9b3a6e9b01d394c0eca44e86", kill_on_drop: false }`
[INFO] [stdout] 7edfa54fc70a96aac25ddc69caa27275d8a5923b9b3a6e9b01d394c0eca44e86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-97/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fb57fffb2533859a30262c2bc924348e5c3e00f521a57bcb0c8574e92c85a295
[INFO] running `Command { std: "docker" "start" "-a" "fb57fffb2533859a30262c2bc924348e5c3e00f521a57bcb0c8574e92c85a295", kill_on_drop: false }`
[INFO] [stderr] warning: associated function is never used: `set_command`
[INFO] [stderr]    --> src/view/mod.rs:237:12
[INFO] [stderr]     |
[INFO] [stderr] 237 |     pub fn set_command(&mut self, _command: String) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/common.rs:36:5
[INFO] [stderr]    |
[INFO] [stderr] 36 |     writeln!(logfile, "{}", logdata);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/view/mod.rs:110:17
[INFO] [stderr]     |
[INFO] [stderr] 110 |                 logging_result(&self.logfile, &_result);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `hwatch` (bin "hwatch" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/hwatch-b23ccde68556f301)
[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" "fb57fffb2533859a30262c2bc924348e5c3e00f521a57bcb0c8574e92c85a295", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb57fffb2533859a30262c2bc924348e5c3e00f521a57bcb0c8574e92c85a295", kill_on_drop: false }`
[INFO] [stdout] fb57fffb2533859a30262c2bc924348e5c3e00f521a57bcb0c8574e92c85a295