[INFO] cloning repository https://github.com/oxwm/oxwm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/oxwm/oxwm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxwm%2Foxwm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxwm%2Foxwm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a8c62786b8f2f988128d5f036d62cb4b5737991e
[INFO] checking oxwm/oxwm against master#50e1dc1536264ab71c0850f346b12309477f29f7 for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Foxwm%2Foxwm" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/oxwm/oxwm on toolchain 50e1dc1536264ab71c0850f346b12309477f29f7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/oxwm/oxwm
[INFO] finished tweaking git repo https://github.com/oxwm/oxwm
[INFO] tweaked toml for git repo https://github.com/oxwm/oxwm written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/oxwm/oxwm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2b40dd874616dfb243f8a8bda7cfffa54f839df4d97683a50c2e0fbc93790d2
[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" "c2b40dd874616dfb243f8a8bda7cfffa54f839df4d97683a50c2e0fbc93790d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2b40dd874616dfb243f8a8bda7cfffa54f839df4d97683a50c2e0fbc93790d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2b40dd874616dfb243f8a8bda7cfffa54f839df4d97683a50c2e0fbc93790d2", kill_on_drop: false }`
[INFO] [stdout] c2b40dd874616dfb243f8a8bda7cfffa54f839df4d97683a50c2e0fbc93790d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+50e1dc1536264ab71c0850f346b12309477f29f7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 288e894f45aef5f52d4bbd43f90edef968e7a45831044633058dc48bea35bd0a
[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" "288e894f45aef5f52d4bbd43f90edef968e7a45831044633058dc48bea35bd0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking dirs-sys v0.3.6
[INFO] [stderr]     Checking nix v0.20.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking simple_logger v1.11.0
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking x11rb v0.8.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking oxwm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `x11rb::connection::Connection`
[INFO] [stdout]  --> src/util.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use x11rb::connection::Connection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11rb::protocol::xproto::ConnectionExt`
[INFO] [stdout]  --> src/util.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use x11rb::protocol::xproto::ConnectionExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Result`
[INFO] [stdout]  --> src/util.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11rb::connection::Connection`
[INFO] [stdout]  --> src/util.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use x11rb::connection::Connection;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x11rb::protocol::xproto::ConnectionExt`
[INFO] [stdout]  --> src/util.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use x11rb::protocol::xproto::ConnectionExt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::Result`
[INFO] [stdout]  --> src/util.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::Result;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.40s
[INFO] running `Command { std: "docker" "inspect" "288e894f45aef5f52d4bbd43f90edef968e7a45831044633058dc48bea35bd0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "288e894f45aef5f52d4bbd43f90edef968e7a45831044633058dc48bea35bd0a", kill_on_drop: false }`
[INFO] [stdout] 288e894f45aef5f52d4bbd43f90edef968e7a45831044633058dc48bea35bd0a