[INFO] fetching crate gw 0.2.0...
[INFO] checking gw-0.2.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate gw 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate gw 0.2.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gw 0.2.0
[INFO] finished tweaking crates.io crate gw 0.2.0
[INFO] tweaked toml for crates.io crate gw 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate gw 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "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] c734a0f93794d6226d69abe4b7e94bade7e3daf11c9ca09df0a60ee71a682471
[INFO] running `Command { std: "docker" "start" "-a" "c734a0f93794d6226d69abe4b7e94bade7e3daf11c9ca09df0a60ee71a682471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c734a0f93794d6226d69abe4b7e94bade7e3daf11c9ca09df0a60ee71a682471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c734a0f93794d6226d69abe4b7e94bade7e3daf11c9ca09df0a60ee71a682471", kill_on_drop: false }`
[INFO] [stdout] c734a0f93794d6226d69abe4b7e94bade7e3daf11c9ca09df0a60ee71a682471
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e70b0bb1e7362f375845e2abb3a4bea4914be64544b74fc802d85bb67ec84504
[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" "e70b0bb1e7362f375845e2abb3a4bea4914be64544b74fc802d85bb67ec84504", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.15
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking predicates-core v1.0.0
[INFO] [stderr]    Compiling escargot v0.3.1
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.2.2
[INFO] [stderr]     Checking gw v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking float-cmp v0.5.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]     Checking predicates-tree v1.0.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking predicates v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking assert_cmd v0.10.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.70s
[INFO] running `Command { std: "docker" "inspect" "e70b0bb1e7362f375845e2abb3a4bea4914be64544b74fc802d85bb67ec84504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e70b0bb1e7362f375845e2abb3a4bea4914be64544b74fc802d85bb67ec84504", kill_on_drop: false }`
[INFO] [stdout] e70b0bb1e7362f375845e2abb3a4bea4914be64544b74fc802d85bb67ec84504