[INFO] cloning repository https://github.com/singulared/swayboard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/singulared/swayboard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingulared%2Fswayboard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingulared%2Fswayboard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0d3357cc7837bc65983c0f4d4de323e7a3137291
[INFO] building singulared/swayboard against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsingulared%2Fswayboard" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/singulared/swayboard on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/singulared/swayboard
[INFO] finished tweaking git repo https://github.com/singulared/swayboard
[INFO] tweaked toml for git repo https://github.com/singulared/swayboard written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate git repo https://github.com/singulared/swayboard already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ryu v1.0.6
[INFO] [stderr]   Downloaded futures-macro v0.3.18
[INFO] [stderr]   Downloaded futures-util v0.3.18
[INFO] [stderr]   Downloaded futures-lite v1.12.0
[INFO] [stderr]   Downloaded futures-io v0.3.18
[INFO] [stderr]   Downloaded parking v2.0.0
[INFO] [stderr]   Downloaded waker-fn v1.1.0
[INFO] [stderr]   Downloaded tokio-macros v1.6.0
[INFO] [stderr]   Downloaded async-process v1.3.0
[INFO] [stderr]   Downloaded atomic-waker v1.0.0
[INFO] [stderr]   Downloaded concurrent-queue v1.2.2
[INFO] [stderr]   Downloaded polling v2.2.0
[INFO] [stderr]   Downloaded async-io v1.6.0
[INFO] [stderr]   Downloaded async-task v4.0.3
[INFO] [stderr]   Downloaded tokio v1.14.0
[INFO] [stderr]   Downloaded cache-padded v1.1.1
[INFO] [stderr]   Downloaded futures-task v0.3.18
[INFO] [stderr]   Downloaded signal-hook v0.3.12
[INFO] [stderr]   Downloaded wepoll-ffi v0.1.2
[INFO] [stderr]   Downloaded swayipc-types v1.0.0-alpha.3
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
[INFO] [stderr]   Downloaded blocking v1.1.0
[INFO] [stderr]   Downloaded libc v0.2.109
[INFO] [stderr]   Downloaded async-channel v1.6.1
[INFO] [stderr]   Downloaded event-listener v2.5.1
[INFO] [stderr]   Downloaded serde_derive v1.0.131
[INFO] [stderr]   Downloaded fastrand v1.5.0
[INFO] [stderr]   Downloaded futures-core v0.3.18
[INFO] [stderr]   Downloaded serde v1.0.131
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded swayipc-async v2.0.0-alpha.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da5afaacdb9d8d84527b85f46cdfef448dba9d66c44aa0591c91282a0ddf10a7
[INFO] running `Command { std: "docker" "start" "-a" "da5afaacdb9d8d84527b85f46cdfef448dba9d66c44aa0591c91282a0ddf10a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5afaacdb9d8d84527b85f46cdfef448dba9d66c44aa0591c91282a0ddf10a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5afaacdb9d8d84527b85f46cdfef448dba9d66c44aa0591c91282a0ddf10a7", kill_on_drop: false }`
[INFO] [stdout] da5afaacdb9d8d84527b85f46cdfef448dba9d66c44aa0591c91282a0ddf10a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b1b662ace9c03940c2bd2535a80d3da812d09f16a519f81e7f8973184e9c27
[INFO] running `Command { std: "docker" "start" "-a" "81b1b662ace9c03940c2bd2535a80d3da812d09f16a519f81e7f8973184e9c27", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling futures-core v0.3.18
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling signal-hook v0.3.12
[INFO] [stderr]    Compiling futures-io v0.3.18
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling fastrand v1.5.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling tracing-core v0.1.21
[INFO] [stderr]    Compiling sharded-slab v0.1.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling futures-lite v1.12.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling polling v2.2.0
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling async-io v1.6.0
[INFO] [stderr]    Compiling async-process v1.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling tracing v0.1.29
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling swayipc-types v1.0.0-alpha.3
[INFO] [stderr]    Compiling tracing-subscriber v0.2.25
[INFO] [stderr]    Compiling swayipc-async v2.0.0-alpha.3
[INFO] [stderr]    Compiling swayboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/manager.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let res = ipc
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 1m 18s
[INFO] running `Command { std: "docker" "inspect" "81b1b662ace9c03940c2bd2535a80d3da812d09f16a519f81e7f8973184e9c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b1b662ace9c03940c2bd2535a80d3da812d09f16a519f81e7f8973184e9c27", kill_on_drop: false }`
[INFO] [stdout] 81b1b662ace9c03940c2bd2535a80d3da812d09f16a519f81e7f8973184e9c27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 754fa846a07ec8af367af105f56a5bd9e3bbc2f8a07bdc20584b33d2c6921960
[INFO] running `Command { std: "docker" "start" "-a" "754fa846a07ec8af367af105f56a5bd9e3bbc2f8a07bdc20584b33d2c6921960", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling swayboard v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/manager.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let res = ipc
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `res`
[INFO] [stdout]   --> src/manager.rs:57:13
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let res = ipc
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_res`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 2.97s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/swayboard-b1d416bef3be5567)
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/swayboard-87cbe4cacf1ff357)
[INFO] running `Command { std: "docker" "inspect" "754fa846a07ec8af367af105f56a5bd9e3bbc2f8a07bdc20584b33d2c6921960", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754fa846a07ec8af367af105f56a5bd9e3bbc2f8a07bdc20584b33d2c6921960", kill_on_drop: false }`
[INFO] [stdout] 754fa846a07ec8af367af105f56a5bd9e3bbc2f8a07bdc20584b33d2c6921960