[INFO] cloning repository https://github.com/JoshMcguigan/natty
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JoshMcguigan/natty" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fnatty", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fnatty'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a400af82627097a8933ba3e917dc17f5dc2e1bd
[INFO] testing JoshMcguigan/natty against 1.75.0 for beta-1.76-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJoshMcguigan%2Fnatty" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JoshMcguigan/natty on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JoshMcguigan/natty
[INFO] finished tweaking git repo https://github.com/JoshMcguigan/natty
[INFO] tweaked toml for git repo https://github.com/JoshMcguigan/natty written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/JoshMcguigan/natty already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/vorner/tuntap.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scoped-tls v0.1.2
[INFO] [stderr]   Downloaded tokio-core v0.1.17
[INFO] [stderr]   Downloaded tokio-uds v0.2.5
[INFO] [stderr]   Downloaded pnet_datalink v0.22.0
[INFO] [stderr]   Downloaded pnet_base v0.22.0
[INFO] [stderr]   Downloaded tokio-codec v0.1.1
[INFO] [stderr]   Downloaded pnet_macros_support v0.22.0
[INFO] [stderr]   Downloaded hermit-abi v0.1.3
[INFO] [stderr]   Downloaded memoffset v0.5.2
[INFO] [stderr]   Downloaded pnet_sys v0.22.0
[INFO] [stderr]   Downloaded pnet_transport v0.22.0
[INFO] [stderr]   Downloaded num_cpus v1.11.0
[INFO] [stderr]   Downloaded parking_lot_core v0.6.2
[INFO] [stderr]   Downloaded lock_api v0.3.1
[INFO] [stderr]   Downloaded tokio-timer v0.2.11
[INFO] [stderr]   Downloaded crossbeam-epoch v0.7.2
[INFO] [stderr]   Downloaded tokio v0.1.22
[INFO] [stderr]   Downloaded futures v0.1.29
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.16
[INFO] [stderr]   Downloaded tokio-sync v0.1.7
[INFO] [stderr]   Downloaded parking_lot v0.9.0
[INFO] [stderr]   Downloaded tokio-reactor v0.1.10
[INFO] [stderr]   Downloaded tokio-udp v0.1.5
[INFO] [stderr]   Downloaded ipnetwork v0.14.0
[INFO] [stderr]   Downloaded tokio-io v0.1.12
[INFO] [stderr]   Downloaded crossbeam v0.7.2
[INFO] [stderr]   Downloaded pnet v0.22.0
[INFO] [stderr]   Downloaded pnet_packet v0.22.0
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.6
[INFO] [stderr]   Downloaded tokio-fs v0.1.6
[INFO] [stderr]   Downloaded tokio-tcp v0.1.3
[INFO] [stderr]   Downloaded pnet_macros v0.22.0
[INFO] [stderr]   Downloaded tokio-executor v0.1.8
[INFO] [stderr]   Downloaded smallvec v0.6.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd39e3d631f991b1ee2389892cb24cf7624e2d1d4c84aece1c8322c9fd3e751e
[INFO] running `Command { std: "docker" "start" "-a" "fd39e3d631f991b1ee2389892cb24cf7624e2d1d4c84aece1c8322c9fd3e751e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd39e3d631f991b1ee2389892cb24cf7624e2d1d4c84aece1c8322c9fd3e751e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd39e3d631f991b1ee2389892cb24cf7624e2d1d4c84aece1c8322c9fd3e751e", kill_on_drop: false }`
[INFO] [stdout] fd39e3d631f991b1ee2389892cb24cf7624e2d1d4c84aece1c8322c9fd3e751e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 898d5764eac66a9bc3502127e02528427555ea68a31865d213d0689322960d1c
[INFO] running `Command { std: "docker" "start" "-a" "898d5764eac66a9bc3502127e02528427555ea68a31865d213d0689322960d1c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling futures v0.1.29
[INFO] [stderr]    Compiling scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.0.3
[INFO] [stderr]    Compiling smallvec v0.6.12
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bitflags v0.5.0
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling lock_api v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.12
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling pnet_base v0.22.0
[INFO] [stderr]    Compiling glob v0.2.11
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling pnet_macros_support v0.22.0
[INFO] [stderr]    Compiling cc v1.0.46
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling scoped-tls v0.1.2
[INFO] [stderr]    Compiling pnet v0.22.0
[INFO] [stderr]    Compiling crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.0
[INFO] [stderr]    Compiling pnet_sys v0.22.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling tokio-executor v0.1.8
[INFO] [stderr]    Compiling tokio-sync v0.1.7
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling tun-tap v0.1.2 (https://github.com/vorner/tuntap.git#2ba28bfb)
[INFO] [stderr]    Compiling tokio-timer v0.2.11
[INFO] [stderr]    Compiling tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling tokio-threadpool v0.1.16
[INFO] [stderr]    Compiling crossbeam v0.7.2
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.10
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling syntex_pos v0.42.0
[INFO] [stderr]    Compiling tokio-udp v0.1.5
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling syntex_errors v0.42.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling syntex_syntax v0.42.0
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling ipnetwork v0.14.0
[INFO] [stderr]    Compiling pnet_datalink v0.22.0
[INFO] [stderr]    Compiling syntex v0.42.2
[INFO] [stderr]    Compiling pnet_macros v0.22.0
[INFO] [stderr]    Compiling pnet_packet v0.22.0
[INFO] [stderr]    Compiling pnet_transport v0.22.0
[INFO] [stderr]    Compiling natty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.50s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "898d5764eac66a9bc3502127e02528427555ea68a31865d213d0689322960d1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898d5764eac66a9bc3502127e02528427555ea68a31865d213d0689322960d1c", kill_on_drop: false }`
[INFO] [stdout] 898d5764eac66a9bc3502127e02528427555ea68a31865d213d0689322960d1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd2c5f19d46a78709ff2192b6b69be1fa6c0f673c29425893e4c1305d422e928
[INFO] running `Command { std: "docker" "start" "-a" "dd2c5f19d46a78709ff2192b6b69be1fa6c0f673c29425893e4c1305d422e928", kill_on_drop: false }`
[INFO] [stderr]    Compiling natty v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "dd2c5f19d46a78709ff2192b6b69be1fa6c0f673c29425893e4c1305d422e928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd2c5f19d46a78709ff2192b6b69be1fa6c0f673c29425893e4c1305d422e928", kill_on_drop: false }`
[INFO] [stdout] dd2c5f19d46a78709ff2192b6b69be1fa6c0f673c29425893e4c1305d422e928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a2f173fbc24c3c3724094166cf373a4736713da6658941852f710a231923d191
[INFO] running `Command { std: "docker" "start" "-a" "a2f173fbc24c3c3724094166cf373a4736713da6658941852f710a231923d191", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: rustc-serialize v0.3.24
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/natty-f86e90649662819e)
[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" "a2f173fbc24c3c3724094166cf373a4736713da6658941852f710a231923d191", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2f173fbc24c3c3724094166cf373a4736713da6658941852f710a231923d191", kill_on_drop: false }`
[INFO] [stdout] a2f173fbc24c3c3724094166cf373a4736713da6658941852f710a231923d191