[INFO] fetching crate fake-tcp 0.5.0...
[INFO] testing fake-tcp-0.5.0 against try#fc4ba03ef77ca5018fb78a097d3b924d30f15bfc+target=i686-unknown-linux-musl for musl_upgrade_1_2_take4
[INFO] extracting crate fake-tcp 0.5.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate fake-tcp 0.5.0 on toolchain fc4ba03ef77ca5018fb78a097d3b924d30f15bfc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fake-tcp 0.5.0
[INFO] finished tweaking crates.io crate fake-tcp 0.5.0
[INFO] tweaked toml for crates.io crate fake-tcp 0.5.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pnet_packet v0.31.0
[INFO] [stderr]   Downloaded pnet_macros_support v0.31.0
[INFO] [stderr]   Downloaded pnet_sys v0.31.0
[INFO] [stderr]   Downloaded tokio-tun v0.7.0
[INFO] [stderr]   Downloaded pnet_transport v0.31.0
[INFO] [stderr]   Downloaded pnet v0.31.0
[INFO] [stderr]   Downloaded pnet_datalink v0.31.0
[INFO] [stderr]   Downloaded internet-checksum v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 706289f88057c6332857cfd41891d250f2e5fa90bfb27c79cba05ecda494e63a
[INFO] running `Command { std: "docker" "start" "-a" "706289f88057c6332857cfd41891d250f2e5fa90bfb27c79cba05ecda494e63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "706289f88057c6332857cfd41891d250f2e5fa90bfb27c79cba05ecda494e63a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "706289f88057c6332857cfd41891d250f2e5fa90bfb27c79cba05ecda494e63a", kill_on_drop: false }`
[INFO] [stdout] 706289f88057c6332857cfd41891d250f2e5fa90bfb27c79cba05ecda494e63a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "build" "--frozen" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 7dac85259fd710ecc42dd8d1c2d80b2186e5cfdc12dcebc68211df09ce81143f
[INFO] running `Command { std: "docker" "start" "-a" "7dac85259fd710ecc42dd8d1c2d80b2186e5cfdc12dcebc68211df09ce81143f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.105
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling no-std-net v0.6.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde v1.0.150
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling parking_lot_core v0.9.5
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling bytes v1.3.0
[INFO] [stderr]    Compiling pnet_base v0.31.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling pnet_macros_support v0.31.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.17
[INFO] [stderr]    Compiling pnet v0.31.0
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling internet-checksum v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.23.0
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling spin v0.9.4
[INFO] [stderr]    Compiling getrandom v0.2.8
[INFO] [stderr]    Compiling pnet_sys v0.31.0
[INFO] [stderr]    Compiling num_cpus v1.14.0
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling nanorand v0.7.0
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling ipnetwork v0.19.0
[INFO] [stderr]    Compiling pnet_datalink v0.31.0
[INFO] [stderr]    Compiling pnet_macros v0.31.0
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.12
[INFO] [stderr]    Compiling pnet_packet v0.31.0
[INFO] [stderr]    Compiling pin-project v1.0.12
[INFO] [stderr]    Compiling flume v0.10.14
[INFO] [stderr]    Compiling pnet_transport v0.31.0
[INFO] [stderr]    Compiling tokio-tun v0.7.0
[INFO] [stderr]    Compiling fake-tcp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.11s
[INFO] running `Command { std: "docker" "inspect" "7dac85259fd710ecc42dd8d1c2d80b2186e5cfdc12dcebc68211df09ce81143f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dac85259fd710ecc42dd8d1c2d80b2186e5cfdc12dcebc68211df09ce81143f", kill_on_drop: false }`
[INFO] [stdout] 7dac85259fd710ecc42dd8d1c2d80b2186e5cfdc12dcebc68211df09ce81143f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--no-run" "--message-format=json" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] dd30a66cc7e93531dc8c51632ed6f2273c5bd9b4d1d6f826d3c11904f105406b
[INFO] running `Command { std: "docker" "start" "-a" "dd30a66cc7e93531dc8c51632ed6f2273c5bd9b4d1d6f826d3c11904f105406b", kill_on_drop: false }`
[INFO] [stderr]    Compiling fake-tcp v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.74s
[INFO] running `Command { std: "docker" "inspect" "dd30a66cc7e93531dc8c51632ed6f2273c5bd9b4d1d6f826d3c11904f105406b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd30a66cc7e93531dc8c51632ed6f2273c5bd9b4d1d6f826d3c11904f105406b", kill_on_drop: false }`
[INFO] [stdout] dd30a66cc7e93531dc8c51632ed6f2273c5bd9b4d1d6f826d3c11904f105406b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "RUSTDOCFLAGS=--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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+fc4ba03ef77ca5018fb78a097d3b924d30f15bfc" "test" "--frozen" "--target" "i686-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 655898692f4b61b3d1479b3995c0a7642dfe10ed8f7222c2ce24a2a8d34ac1cb
[INFO] running `Command { std: "docker" "start" "-a" "655898692f4b61b3d1479b3995c0a7642dfe10ed8f7222c2ce24a2a8d34ac1cb", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/i686-unknown-linux-musl/debug/deps/fake_tcp-1b5c1472cb272dad)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "655898692f4b61b3d1479b3995c0a7642dfe10ed8f7222c2ce24a2a8d34ac1cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "655898692f4b61b3d1479b3995c0a7642dfe10ed8f7222c2ce24a2a8d34ac1cb", kill_on_drop: false }`
[INFO] [stdout] 655898692f4b61b3d1479b3995c0a7642dfe10ed8f7222c2ce24a2a8d34ac1cb