[INFO] fetching crate i3wm_switch_windows 0.3.0...
[INFO] checking i3wm_switch_windows-0.3.0 against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] extracting crate i3wm_switch_windows 0.3.0 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate i3wm_switch_windows 0.3.0
[INFO] finished tweaking crates.io crate i3wm_switch_windows 0.3.0
[INFO] tweaked toml for crates.io crate i3wm_switch_windows 0.3.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate i3wm_switch_windows 0.3.0 on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate i3wm_switch_windows 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c5472574760edb591d4b7ff9ffe1f025250668bc9f19105b3a21111e3e51bf8
[INFO] running `Command { std: "docker" "start" "-a" "2c5472574760edb591d4b7ff9ffe1f025250668bc9f19105b3a21111e3e51bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c5472574760edb591d4b7ff9ffe1f025250668bc9f19105b3a21111e3e51bf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c5472574760edb591d4b7ff9ffe1f025250668bc9f19105b3a21111e3e51bf8", kill_on_drop: false }`
[INFO] [stdout] 2c5472574760edb591d4b7ff9ffe1f025250668bc9f19105b3a21111e3e51bf8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03bef59c77ffa092415636ea862f3b148417b0f6da80d77903549d1f91b17e1e
[INFO] running `Command { std: "docker" "start" "-a" "03bef59c77ffa092415636ea862f3b148417b0f6da80d77903549d1f91b17e1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.81
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.154
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]    Compiling serde v1.0.199
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]    Compiling serde_json v1.0.116
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]    Compiling syn v2.0.60
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.199
[INFO] [stderr]    Compiling serde_repr v0.1.19
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking tokio-stream v0.1.15
[INFO] [stderr]     Checking i3ipc-types v0.16.0
[INFO] [stderr]     Checking tokio-i3ipc v0.16.0
[INFO] [stderr]     Checking i3wm_switch_windows v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.54s
[INFO] running `Command { std: "docker" "inspect" "03bef59c77ffa092415636ea862f3b148417b0f6da80d77903549d1f91b17e1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03bef59c77ffa092415636ea862f3b148417b0f6da80d77903549d1f91b17e1e", kill_on_drop: false }`
[INFO] [stdout] 03bef59c77ffa092415636ea862f3b148417b0f6da80d77903549d1f91b17e1e