[INFO] fetching crate portforwarder-rs 0.1.0...
[INFO] checking portforwarder-rs-0.1.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate portforwarder-rs 0.1.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate portforwarder-rs 0.1.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate portforwarder-rs 0.1.0
[INFO] finished tweaking crates.io crate portforwarder-rs 0.1.0
[INFO] tweaked toml for crates.io crate portforwarder-rs 0.1.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eb666e8cf335387eb31a5c64a36dd707985f700d716bfbb7affce726e14fef43
[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" "eb666e8cf335387eb31a5c64a36dd707985f700d716bfbb7affce726e14fef43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb666e8cf335387eb31a5c64a36dd707985f700d716bfbb7affce726e14fef43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb666e8cf335387eb31a5c64a36dd707985f700d716bfbb7affce726e14fef43", kill_on_drop: false }`
[INFO] [stdout] eb666e8cf335387eb31a5c64a36dd707985f700d716bfbb7affce726e14fef43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 793d468dc6f0d2a905d54a06076166a56ec71db399dc6b9e212b2ae2f6da8c1e
[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" "793d468dc6f0d2a905d54a06076166a56ec71db399dc6b9e212b2ae2f6da8c1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking bit-vec v0.4.4
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking xml-rs v0.3.6
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]     Checking bit-set v0.4.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking xmltree v0.3.2
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking get_if_addrs v0.4.1
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking chan v0.1.23
[INFO] [stderr]     Checking chan-signal v0.3.3
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking igd v0.6.0
[INFO] [stderr]     Checking portforwarder-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.98s
[INFO] running `Command { std: "docker" "inspect" "793d468dc6f0d2a905d54a06076166a56ec71db399dc6b9e212b2ae2f6da8c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "793d468dc6f0d2a905d54a06076166a56ec71db399dc6b9e212b2ae2f6da8c1e", kill_on_drop: false }`
[INFO] [stdout] 793d468dc6f0d2a905d54a06076166a56ec71db399dc6b9e212b2ae2f6da8c1e