[INFO] fetching crate varlink_generator 10.0.0...
[INFO] checking varlink_generator-10.0.0 against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] extracting crate varlink_generator 10.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate varlink_generator 10.0.0 on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate varlink_generator 10.0.0
[INFO] finished tweaking crates.io crate varlink_generator 10.0.0
[INFO] tweaked toml for crates.io crate varlink_generator 10.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate varlink_generator 10.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76b34b6a777375437dc27dce68f9d27bb31374221930072c37e6cca7247e5c6
[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" "a76b34b6a777375437dc27dce68f9d27bb31374221930072c37e6cca7247e5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76b34b6a777375437dc27dce68f9d27bb31374221930072c37e6cca7247e5c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76b34b6a777375437dc27dce68f9d27bb31374221930072c37e6cca7247e5c6", kill_on_drop: false }`
[INFO] [stdout] a76b34b6a777375437dc27dce68f9d27bb31374221930072c37e6cca7247e5c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79b52fca853b9e8004ae9e7154eee0251fd8729f99f0d96f61a469ebb3d006d8
[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" "79b52fca853b9e8004ae9e7154eee0251fd8729f99f0d96f61a469ebb3d006d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling peg-runtime v0.6.3
[INFO] [stderr]    Compiling varlink_parser v4.1.0
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling syn v1.0.62
[INFO] [stderr]     Checking chainerror v0.7.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking unified-diff v0.2.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling peg-macros v0.6.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking peg v0.6.3
[INFO] [stderr]     Checking varlink_generator v10.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.50s
[INFO] running `Command { std: "docker" "inspect" "79b52fca853b9e8004ae9e7154eee0251fd8729f99f0d96f61a469ebb3d006d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79b52fca853b9e8004ae9e7154eee0251fd8729f99f0d96f61a469ebb3d006d8", kill_on_drop: false }`
[INFO] [stdout] 79b52fca853b9e8004ae9e7154eee0251fd8729f99f0d96f61a469ebb3d006d8