[INFO] cloning repository https://github.com/jw3/example-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jw3/example-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw3%2Fexample-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw3%2Fexample-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 951d631720ec939578f7c241a2e0f234a0098b39
[INFO] checking jw3/example-rust against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjw3%2Fexample-rust" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jw3/example-rust 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 git repo https://github.com/jw3/example-rust
[INFO] finished tweaking git repo https://github.com/jw3/example-rust
[INFO] tweaked toml for git repo https://github.com/jw3/example-rust written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/jw3/example-rust 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/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] 2971057351e8b4cdb2e63a053df4db54c54811c8d8f14edad94df78931b6cc51
[INFO] running `Command { std: "docker" "start" "-a" "2971057351e8b4cdb2e63a053df4db54c54811c8d8f14edad94df78931b6cc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2971057351e8b4cdb2e63a053df4db54c54811c8d8f14edad94df78931b6cc51", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2971057351e8b4cdb2e63a053df4db54c54811c8d8f14edad94df78931b6cc51", kill_on_drop: false }`
[INFO] [stdout] 2971057351e8b4cdb2e63a053df4db54c54811c8d8f14edad94df78931b6cc51
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5783783b16c3bb83dc4a27ddb6eb01c16b99c77537d6ccbfa8b518fc1d134b30
[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" "5783783b16c3bb83dc4a27ddb6eb01c16b99c77537d6ccbfa8b518fc1d134b30", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.4
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking smallvec v0.6.2
[INFO] [stderr]     Checking rustc-demangle v0.1.8
[INFO] [stderr]     Checking matches v0.1.6
[INFO] [stderr]    Compiling backtrace v0.2.3
[INFO] [stderr]     Checking stable_deref_trait v1.1.0
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking unicode-normalization v0.1.7
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]     Checking linked-hash-map v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.4.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]     Checking log v0.4.3
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking tokio-timer v0.2.4
[INFO] [stderr]     Checking lru-cache v0.1.1
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking crossbeam-epoch v0.4.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking lock_api v0.1.3
[INFO] [stderr]    Compiling actix_derive v0.2.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking socket2 v0.3.7
[INFO] [stderr]     Checking hostname v0.1.5
[INFO] [stderr]     Checking resolv-conf v0.6.1
[INFO] [stderr]     Checking bytes v0.4.8
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking mio v0.6.15
[INFO] [stderr]     Checking tokio-io v0.1.7
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]     Checking parking_lot_core v0.2.14
[INFO] [stderr]     Checking tokio-threadpool v0.1.5
[INFO] [stderr]     Checking uuid v0.6.5
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking mio-uds v0.6.6
[INFO] [stderr]     Checking tokio-reactor v0.1.2
[INFO] [stderr]     Checking tokio-codec v0.1.0
[INFO] [stderr]     Checking parking_lot v0.5.5
[INFO] [stderr]     Checking parking_lot v0.6.2
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]     Checking crossbeam-channel v0.2.1
[INFO] [stderr]     Checking tokio-tcp v0.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.1
[INFO] [stderr]     Checking tokio-signal v0.2.1
[INFO] [stderr]     Checking tokio-fs v0.1.1
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr]     Checking tokio v0.1.7
[INFO] [stderr]     Checking backtrace v0.3.9
[INFO] [stderr]     Checking error-chain v0.1.12
[INFO] [stderr]     Checking trust-dns-proto v0.4.0
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]     Checking trust-dns-resolver v0.9.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking actix v0.7.0
[INFO] [stderr]     Checking example-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.40s
[INFO] running `Command { std: "docker" "inspect" "5783783b16c3bb83dc4a27ddb6eb01c16b99c77537d6ccbfa8b518fc1d134b30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5783783b16c3bb83dc4a27ddb6eb01c16b99c77537d6ccbfa8b518fc1d134b30", kill_on_drop: false }`
[INFO] [stdout] 5783783b16c3bb83dc4a27ddb6eb01c16b99c77537d6ccbfa8b518fc1d134b30