[INFO] crate portforwarder-rs 0.1.0 is already in cache
[INFO] extracting crate portforwarder-rs 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/portforwarder-rs/0.1.0
[INFO] extracting crate portforwarder-rs 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/portforwarder-rs/0.1.0
[INFO] validating manifest of portforwarder-rs-0.1.0 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of portforwarder-rs-0.1.0 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing portforwarder-rs-0.1.0
[INFO] finished frobbing portforwarder-rs-0.1.0
[INFO] frobbed toml for portforwarder-rs-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/portforwarder-rs/0.1.0/Cargo.toml
[INFO] started frobbing portforwarder-rs-0.1.0
[INFO] finished frobbing portforwarder-rs-0.1.0
[INFO] frobbed toml for portforwarder-rs-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/portforwarder-rs/0.1.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing portforwarder-rs-0.1.0 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/portforwarder-rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 1b0bb5c62c7ab487aca2ceb1a7a9a36296a6b7ef8df62fecdc7bae9c3ba064a7
[INFO] running `"docker" "start" "-a" "1b0bb5c62c7ab487aca2ceb1a7a9a36296a6b7ef8df62fecdc7bae9c3ba064a7"`
[INFO] [stderr]    Compiling c_linked_list v1.1.1
[INFO] [stderr]    Compiling xmltree v0.3.2
[INFO] [stderr]    Compiling chan v0.1.23
[INFO] [stderr]    Compiling get_if_addrs v0.4.1
[INFO] [stderr]    Compiling igd v0.6.0
[INFO] [stderr]    Compiling chan-signal v0.3.3
[INFO] [stderr]    Compiling portforwarder-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.30s
[INFO] running `"docker" "inspect" "1b0bb5c62c7ab487aca2ceb1a7a9a36296a6b7ef8df62fecdc7bae9c3ba064a7"`
[INFO] running `"docker" "rm" "-f" "1b0bb5c62c7ab487aca2ceb1a7a9a36296a6b7ef8df62fecdc7bae9c3ba064a7"`
[INFO] [stdout] 1b0bb5c62c7ab487aca2ceb1a7a9a36296a6b7ef8df62fecdc7bae9c3ba064a7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/portforwarder-rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] a73bcb52db22813734dc723f0ba589b4193cc1e14760388d52c6588090605d4d
[INFO] running `"docker" "start" "-a" "a73bcb52db22813734dc723f0ba589b4193cc1e14760388d52c6588090605d4d"`
[INFO] [stderr]    Compiling portforwarder-rs v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.69s
[INFO] running `"docker" "inspect" "a73bcb52db22813734dc723f0ba589b4193cc1e14760388d52c6588090605d4d"`
[INFO] running `"docker" "rm" "-f" "a73bcb52db22813734dc723f0ba589b4193cc1e14760388d52c6588090605d4d"`
[INFO] [stdout] a73bcb52db22813734dc723f0ba589b4193cc1e14760388d52c6588090605d4d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/portforwarder-rs/0.1.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f75fe6a4cd0786656e9dd4c979440392463fb6b65b4ca6372d5c26ca2cbaabd4
[INFO] running `"docker" "start" "-a" "f75fe6a4cd0786656e9dd4c979440392463fb6b65b4ca6372d5c26ca2cbaabd4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/portforwarder_rs-091557092a3b18c1
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/pf-37d1caac0075af61
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests portforwarder-rs
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "f75fe6a4cd0786656e9dd4c979440392463fb6b65b4ca6372d5c26ca2cbaabd4"`
[INFO] running `"docker" "rm" "-f" "f75fe6a4cd0786656e9dd4c979440392463fb6b65b4ca6372d5c26ca2cbaabd4"`
[INFO] [stdout] f75fe6a4cd0786656e9dd4c979440392463fb6b65b4ca6372d5c26ca2cbaabd4