[INFO] cloning repository https://github.com/FrozenDroid/serialmonitor-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrozenDroid/serialmonitor-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrozenDroid%2Fserialmonitor-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrozenDroid%2Fserialmonitor-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82625c794fc9bb30fc24a2817f1c67f186bfbba8
[INFO] checking FrozenDroid/serialmonitor-rust against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrozenDroid%2Fserialmonitor-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrozenDroid/serialmonitor-rust on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FrozenDroid/serialmonitor-rust
[INFO] finished tweaking git repo https://github.com/FrozenDroid/serialmonitor-rust
[INFO] tweaked toml for git repo https://github.com/FrozenDroid/serialmonitor-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/FrozenDroid/serialmonitor-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.4.6
[INFO] [stderr]   Downloaded cairo-rs v0.3.0
[INFO] [stderr]   Downloaded gdk-sys v0.5.0
[INFO] [stderr]   Downloaded futures v0.1.18
[INFO] [stderr]   Downloaded pango v0.3.0
[INFO] [stderr]   Downloaded gtk-sys v0.5.0
[INFO] [stderr]   Downloaded gtk v0.3.0
[INFO] [stderr]   Downloaded pango-sys v0.5.0
[INFO] [stderr]   Downloaded gdk-pixbuf-sys v0.5.0
[INFO] [stderr]   Downloaded glib v0.4.1
[INFO] [stderr]   Downloaded gdk-pixbuf v0.3.0
[INFO] [stderr]   Downloaded futures-glib v0.3.2
[INFO] [stderr]   Downloaded relm-state v0.11.0
[INFO] [stderr]   Downloaded relm-derive-common v0.11.0
[INFO] [stderr]   Downloaded gobject-sys v0.5.0
[INFO] [stderr]   Downloaded atk-sys v0.5.0
[INFO] [stderr]   Downloaded gio v0.3.0
[INFO] [stderr]   Downloaded c_vec v1.2.1
[INFO] [stderr]   Downloaded gdk v0.7.0
[INFO] [stderr]   Downloaded regex v0.2.5
[INFO] [stderr]   Downloaded gio-sys v0.5.0
[INFO] [stderr]   Downloaded glib-sys v0.5.0
[INFO] [stderr]   Downloaded relm-derive v0.11.0
[INFO] [stderr]   Downloaded cairo-sys-rs v0.5.0
[INFO] [stderr]   Downloaded relm-core v0.11.0
[INFO] [stderr]   Downloaded relm-gen-widget v0.11.0
[INFO] [stderr]   Downloaded relm v0.11.0
[INFO] [stderr]   Downloaded relm-attributes v0.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "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] fa4a2bf6f4102b05dd59c014ac4f12246e62559d1c9a89499890ac395973b4c4
[INFO] running `Command { std: "docker" "start" "-a" "fa4a2bf6f4102b05dd59c014ac4f12246e62559d1c9a89499890ac395973b4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa4a2bf6f4102b05dd59c014ac4f12246e62559d1c9a89499890ac395973b4c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa4a2bf6f4102b05dd59c014ac4f12246e62559d1c9a89499890ac395973b4c4", kill_on_drop: false }`
[INFO] [stdout] fa4a2bf6f4102b05dd59c014ac4f12246e62559d1c9a89499890ac395973b4c4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 973fe0d4b12c9e960558819044d0246b6905a304a93be91f33579f4f41d32553
[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" "973fe0d4b12c9e960558819044d0246b6905a304a93be91f33579f4f41d32553", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling cairo-rs v0.3.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling gdk-pixbuf v0.3.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]     Checking futures v0.1.18
[INFO] [stderr]    Compiling gio v0.3.0
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking slab v0.4.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling gdk v0.7.0
[INFO] [stderr]     Checking c_vec v1.2.1
[INFO] [stderr]    Compiling regex-syntax v0.4.2
[INFO] [stderr]    Compiling gtk v0.3.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.0
[INFO] [stderr]    Compiling glib-sys v0.5.0
[INFO] [stderr]    Compiling gobject-sys v0.5.0
[INFO] [stderr]    Compiling gio-sys v0.5.0
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.5.0
[INFO] [stderr]    Compiling cairo-sys-rs v0.5.0
[INFO] [stderr]    Compiling pango-sys v0.5.0
[INFO] [stderr]    Compiling gdk-sys v0.5.0
[INFO] [stderr]    Compiling atk-sys v0.5.0
[INFO] [stderr]    Compiling gtk-sys v0.5.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling memchr v2.0.1
[INFO] [stderr]    Compiling thread_local v0.3.5
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling aho-corasick v0.6.4
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]    Compiling regex v0.2.5
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]     Checking glib v0.4.1
[INFO] [stderr]     Checking futures-glib v0.3.2
[INFO] [stderr]     Checking relm-core v0.11.0
[INFO] [stderr]     Checking relm-state v0.11.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling relm-gen-widget v0.11.0
[INFO] [stderr]     Checking pango v0.3.0
[INFO] [stderr]    Compiling relm-derive-common v0.11.0
[INFO] [stderr]    Compiling relm-derive v0.11.0
[INFO] [stderr]    Compiling relm-attributes v0.11.0
[INFO] [stderr]     Checking relm v0.11.0
[INFO] [stderr]     Checking serialmonitor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> serialmonitor.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> serialmonitor.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> serialmonitor.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> serialmonitor.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(proc_macro)]
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "973fe0d4b12c9e960558819044d0246b6905a304a93be91f33579f4f41d32553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "973fe0d4b12c9e960558819044d0246b6905a304a93be91f33579f4f41d32553", kill_on_drop: false }`
[INFO] [stdout] 973fe0d4b12c9e960558819044d0246b6905a304a93be91f33579f4f41d32553