[INFO] fetching crate witcher 0.1.19...
[INFO] checking witcher-0.1.19 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] extracting crate witcher 0.1.19 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate witcher 0.1.19 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate witcher 0.1.19
[INFO] finished tweaking crates.io crate witcher 0.1.19
[INFO] tweaked toml for crates.io crate witcher 0.1.19 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate witcher 0.1.19 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 006227a870dc1ec3125241144ffd94ae37b354fac8730ef701993966a054133f
[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" "006227a870dc1ec3125241144ffd94ae37b354fac8730ef701993966a054133f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "006227a870dc1ec3125241144ffd94ae37b354fac8730ef701993966a054133f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "006227a870dc1ec3125241144ffd94ae37b354fac8730ef701993966a054133f", kill_on_drop: false }`
[INFO] [stdout] 006227a870dc1ec3125241144ffd94ae37b354fac8730ef701993966a054133f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9f1d6b919d6d9671ef550762061457da45f9f6009ec4b3099e8097de9da723e
[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" "b9f1d6b919d6d9671ef550762061457da45f9f6009ec4b3099e8097de9da723e", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking gory v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking witcher v0.1.19 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "b9f1d6b919d6d9671ef550762061457da45f9f6009ec4b3099e8097de9da723e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9f1d6b919d6d9671ef550762061457da45f9f6009ec4b3099e8097de9da723e", kill_on_drop: false }`
[INFO] [stdout] b9f1d6b919d6d9671ef550762061457da45f9f6009ec4b3099e8097de9da723e