[INFO] fetching crate sway-alttab 1.1.2...
[INFO] testing sway-alttab-1.1.2 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate sway-alttab 1.1.2 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate sway-alttab 1.1.2 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sway-alttab 1.1.2
[INFO] finished tweaking crates.io crate sway-alttab 1.1.2
[INFO] tweaked toml for crates.io crate sway-alttab 1.1.2 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate sway-alttab 1.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded daemonize v0.4.1
[INFO] [stderr]   Downloaded swayipc v2.2.4
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 2a279325234c0dde53386fcc8edd3ffa82eaeac20db499059b1fb45eaad04929
[INFO] running `Command { std: "docker" "start" "-a" "2a279325234c0dde53386fcc8edd3ffa82eaeac20db499059b1fb45eaad04929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a279325234c0dde53386fcc8edd3ffa82eaeac20db499059b1fb45eaad04929", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a279325234c0dde53386fcc8edd3ffa82eaeac20db499059b1fb45eaad04929", kill_on_drop: false }`
[INFO] [stdout] 2a279325234c0dde53386fcc8edd3ffa82eaeac20db499059b1fb45eaad04929
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] 105f0165295032c167734285175f41d9e6cffca17387ea685f6b649c607549d4
[INFO] running `Command { std: "docker" "start" "-a" "105f0165295032c167734285175f41d9e6cffca17387ea685f6b649c607549d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]    Compiling boxfnonce v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling signal-hook v0.1.12
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]    Compiling daemonize v0.4.1
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.44
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling swayipc v2.2.4
[INFO] [stderr]    Compiling sway-alttab v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.02s
[INFO] running `Command { std: "docker" "inspect" "105f0165295032c167734285175f41d9e6cffca17387ea685f6b649c607549d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "105f0165295032c167734285175f41d9e6cffca17387ea685f6b649c607549d4", kill_on_drop: false }`
[INFO] [stdout] 105f0165295032c167734285175f41d9e6cffca17387ea685f6b649c607549d4
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "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] f6f5c987651c41c86b7ab58031f19d561b98fb78c11a5e638b454fdd51fd3984
[INFO] running `Command { std: "docker" "start" "-a" "f6f5c987651c41c86b7ab58031f19d561b98fb78c11a5e638b454fdd51fd3984", kill_on_drop: false }`
[INFO] [stderr]    Compiling sway-alttab v1.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.60s
[INFO] running `Command { std: "docker" "inspect" "f6f5c987651c41c86b7ab58031f19d561b98fb78c11a5e638b454fdd51fd3984", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6f5c987651c41c86b7ab58031f19d561b98fb78c11a5e638b454fdd51fd3984", kill_on_drop: false }`
[INFO] [stdout] f6f5c987651c41c86b7ab58031f19d561b98fb78c11a5e638b454fdd51fd3984
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6e66a7b9aac0dc9ee1185a69cc7e74ba4bbb61733c3bdc39ca668058bf83a573
[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" "6e66a7b9aac0dc9ee1185a69cc7e74ba4bbb61733c3bdc39ca668058bf83a573", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/sway_alttab-79b96e297be69fdb
[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" "6e66a7b9aac0dc9ee1185a69cc7e74ba4bbb61733c3bdc39ca668058bf83a573", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e66a7b9aac0dc9ee1185a69cc7e74ba4bbb61733c3bdc39ca668058bf83a573", kill_on_drop: false }`
[INFO] [stdout] 6e66a7b9aac0dc9ee1185a69cc7e74ba4bbb61733c3bdc39ca668058bf83a573