[INFO] fetching crate alerter 0.3.0...
[INFO] checking alerter-0.3.0 against try#42d1facfffa1a5357d6d62815f7be91f8ad69ed8 for pr-95474
[INFO] extracting crate alerter 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate alerter 0.3.0 on toolchain 42d1facfffa1a5357d6d62815f7be91f8ad69ed8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-2/source/.cargo/config.toml
[INFO] started tweaking crates.io crate alerter 0.3.0
[INFO] finished tweaking crates.io crate alerter 0.3.0
[INFO] tweaked toml for crates.io crate alerter 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate alerter 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "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] 3e4a0fef887e928a3d151033df5e33abd885921958ef747209dd678f57e23634
[INFO] running `Command { std: "docker" "start" "-a" "3e4a0fef887e928a3d151033df5e33abd885921958ef747209dd678f57e23634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3e4a0fef887e928a3d151033df5e33abd885921958ef747209dd678f57e23634", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e4a0fef887e928a3d151033df5e33abd885921958ef747209dd678f57e23634", kill_on_drop: false }`
[INFO] [stdout] 3e4a0fef887e928a3d151033df5e33abd885921958ef747209dd678f57e23634
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+42d1facfffa1a5357d6d62815f7be91f8ad69ed8" "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] 41fb10f8f7c7c35efc68f8edf026101799a6d84766cdfb3252d62aa6795114c9
[INFO] running `Command { std: "docker" "start" "-a" "41fb10f8f7c7c35efc68f8edf026101799a6d84766cdfb3252d62aa6795114c9", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling generic-array v0.14.5
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[INFO] [stderr]    Compiling synstructure v0.12.6
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[INFO] [stderr]     Checking matrix-sdk-common v0.4.1
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[INFO] [stderr]     Checking matrix-sdk-crypto v0.4.1
[INFO] [stderr]     Checking matrix-sdk-base v0.4.1
[INFO] [stderr]     Checking matrix-sdk v0.4.1
[INFO] [stderr]     Checking alerter v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6m 09s
[INFO] running `Command { std: "docker" "inspect" "41fb10f8f7c7c35efc68f8edf026101799a6d84766cdfb3252d62aa6795114c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41fb10f8f7c7c35efc68f8edf026101799a6d84766cdfb3252d62aa6795114c9", kill_on_drop: false }`
[INFO] [stdout] 41fb10f8f7c7c35efc68f8edf026101799a6d84766cdfb3252d62aa6795114c9