[INFO] fetching crate supswap 0.0.1...
[INFO] checking supswap-0.0.1 against try#e0f03aec47b100bc29555561bd62a99d1bc6aca5 for pr-86231
[INFO] extracting crate supswap 0.0.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate supswap 0.0.1 on toolchain e0f03aec47b100bc29555561bd62a99d1bc6aca5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate supswap 0.0.1
[INFO] finished tweaking crates.io crate supswap 0.0.1
[INFO] tweaked toml for crates.io crate supswap 0.0.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate supswap 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1291e39c0caa97443c37f98b7f8aeaffdf6334fc121764e708ed555c08f7020f
[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" "1291e39c0caa97443c37f98b7f8aeaffdf6334fc121764e708ed555c08f7020f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1291e39c0caa97443c37f98b7f8aeaffdf6334fc121764e708ed555c08f7020f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1291e39c0caa97443c37f98b7f8aeaffdf6334fc121764e708ed555c08f7020f", kill_on_drop: false }`
[INFO] [stdout] 1291e39c0caa97443c37f98b7f8aeaffdf6334fc121764e708ed555c08f7020f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+e0f03aec47b100bc29555561bd62a99d1bc6aca5" "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] 4afe106963196ba557dc5cda5ef3a782be7c4f7f732f21e330b754e4e4806b8c
[INFO] running `Command { std: "docker" "start" "-a" "4afe106963196ba557dc5cda5ef3a782be7c4f7f732f21e330b754e4e4806b8c", kill_on_drop: false }`
[INFO] [stderr]     Checking supswap v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "4afe106963196ba557dc5cda5ef3a782be7c4f7f732f21e330b754e4e4806b8c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4afe106963196ba557dc5cda5ef3a782be7c4f7f732f21e330b754e4e4806b8c", kill_on_drop: false }`
[INFO] [stdout] 4afe106963196ba557dc5cda5ef3a782be7c4f7f732f21e330b754e4e4806b8c