[INFO] fetching crate i3-focus-last 0.5.1...
[INFO] checking i3-focus-last-0.5.1 against master#36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923 for pr-81863
[INFO] extracting crate i3-focus-last 0.5.1 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate i3-focus-last 0.5.1 on toolchain 36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate i3-focus-last 0.5.1
[INFO] finished tweaking crates.io crate i3-focus-last 0.5.1
[INFO] tweaked toml for crates.io crate i3-focus-last 0.5.1 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate i3-focus-last 0.5.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "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] e751dfc90654edccc76bf855c87231c88ed1e53cdce906e178d7a9a4aed0d1e9
[INFO] running `Command { std: "docker" "start" "-a" "e751dfc90654edccc76bf855c87231c88ed1e53cdce906e178d7a9a4aed0d1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e751dfc90654edccc76bf855c87231c88ed1e53cdce906e178d7a9a4aed0d1e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e751dfc90654edccc76bf855c87231c88ed1e53cdce906e178d7a9a4aed0d1e9", kill_on_drop: false }`
[INFO] [stdout] e751dfc90654edccc76bf855c87231c88ed1e53cdce906e178d7a9a4aed0d1e9
[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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+36ecbc94eb6be90bc38b2d0fdd4bfac3f34d9923" "check" "--frozen" "--all" "--all-targets" "--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] f88b6eb1d980a61f9570f566a17c9e42f8500230e27b515f024932dcff94d173
[INFO] running `Command { std: "docker" "start" "-a" "f88b6eb1d980a61f9570f566a17c9e42f8500230e27b515f024932dcff94d173", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]    Compiling gumdrop_derive v0.8.0
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking gumdrop v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.60
[INFO] [stderr]     Checking swayipc-types v1.0.0-alpha.1
[INFO] [stderr]     Checking swayipc v3.0.0-alpha.1
[INFO] [stderr]     Checking i3-focus-last v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.64s
[INFO] running `Command { std: "docker" "inspect" "f88b6eb1d980a61f9570f566a17c9e42f8500230e27b515f024932dcff94d173", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f88b6eb1d980a61f9570f566a17c9e42f8500230e27b515f024932dcff94d173", kill_on_drop: false }`
[INFO] [stdout] f88b6eb1d980a61f9570f566a17c9e42f8500230e27b515f024932dcff94d173