[INFO] fetching crate cumulus 0.0.6...
[INFO] checking cumulus-0.0.6 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate cumulus 0.0.6 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate cumulus 0.0.6 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cumulus 0.0.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate cumulus 0.0.6
[INFO] tweaked toml for crates.io crate cumulus 0.0.6 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate cumulus 0.0.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded inspector v0.1.0
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] c210db171427f78c40df77d140c154f96d517bb1d889473a0672f7b4eea3bf28
[INFO] running `Command { std: "docker" "start" "-a" "c210db171427f78c40df77d140c154f96d517bb1d889473a0672f7b4eea3bf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c210db171427f78c40df77d140c154f96d517bb1d889473a0672f7b4eea3bf28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c210db171427f78c40df77d140c154f96d517bb1d889473a0672f7b4eea3bf28", kill_on_drop: false }`
[INFO] [stdout] c210db171427f78c40df77d140c154f96d517bb1d889473a0672f7b4eea3bf28
[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" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] efe511839984ad6f9400f4a6d5d13d8ef4877dc77c5113d689b2b630b03a37b4
[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" "efe511839984ad6f9400f4a6d5d13d8ef4877dc77c5113d689b2b630b03a37b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking linked-hash-map v0.5.3
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking inspector v0.1.0
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling cumulus v0.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling thiserror-impl v1.0.22
[INFO] [stderr]     Checking thiserror v1.0.22
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.41s
[INFO] running `Command { std: "docker" "inspect" "efe511839984ad6f9400f4a6d5d13d8ef4877dc77c5113d689b2b630b03a37b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe511839984ad6f9400f4a6d5d13d8ef4877dc77c5113d689b2b630b03a37b4", kill_on_drop: false }`
[INFO] [stdout] efe511839984ad6f9400f4a6d5d13d8ef4877dc77c5113d689b2b630b03a37b4