[INFO] fetching crate cargo-casperlabs 0.9.1...
[INFO] checking cargo-casperlabs-0.9.1 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate cargo-casperlabs 0.9.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cargo-casperlabs 0.9.1 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-casperlabs 0.9.1
[INFO] finished tweaking crates.io crate cargo-casperlabs 0.9.1
[INFO] tweaked toml for crates.io crate cargo-casperlabs 0.9.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cargo-casperlabs 0.9.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be3c49508eb9de62354415533bdf8fc5118550bf5e1533a524bb97e16dc87170
[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" "be3c49508eb9de62354415533bdf8fc5118550bf5e1533a524bb97e16dc87170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be3c49508eb9de62354415533bdf8fc5118550bf5e1533a524bb97e16dc87170", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3c49508eb9de62354415533bdf8fc5118550bf5e1533a524bb97e16dc87170", kill_on_drop: false }`
[INFO] [stdout] be3c49508eb9de62354415533bdf8fc5118550bf5e1533a524bb97e16dc87170
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-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" "RUSTUP_TOOLCHAIN=4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d7a306246ec16547db63f3665429b13173525333af85c49ce7579d8d149a88d3
[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" "d7a306246ec16547db63f3665429b13173525333af85c49ce7579d8d149a88d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]     Checking arc-swap v0.4.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling escargot v0.5.0
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking parking_lot_core v0.7.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking parking_lot v0.10.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking signal-hook v0.1.16
[INFO] [stderr]     Checking crossterm v0.16.0
[INFO] [stderr]     Checking colour v0.5.0
[INFO] [stderr]     Checking cargo-casperlabs v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking assert_cmd v0.12.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 39.03s
[INFO] running `Command { std: "docker" "inspect" "d7a306246ec16547db63f3665429b13173525333af85c49ce7579d8d149a88d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a306246ec16547db63f3665429b13173525333af85c49ce7579d8d149a88d3", kill_on_drop: false }`
[INFO] [stdout] d7a306246ec16547db63f3665429b13173525333af85c49ce7579d8d149a88d3