[INFO] cloning repository https://github.com/asiyani/tcp-over-quic
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/asiyani/tcp-over-quic" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasiyani%2Ftcp-over-quic", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasiyani%2Ftcp-over-quic'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dfe91aa1e5105fbd4b036ee2ef4e740d23da85e9
[INFO] checking asiyani/tcp-over-quic against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fasiyani%2Ftcp-over-quic" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/asiyani/tcp-over-quic on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/asiyani/tcp-over-quic
[INFO] finished tweaking git repo https://github.com/asiyani/tcp-over-quic
[INFO] tweaked toml for git repo https://github.com/asiyani/tcp-over-quic written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/asiyani/tcp-over-quic already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.17
[INFO] [stderr]   Downloaded bitflags v1.2.1
[INFO] [stderr]   Downloaded lazy_static v1.4.0
[INFO] [stderr]   Downloaded tracing-log v0.1.1
[INFO] [stderr]   Downloaded rand_core v0.5.1
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.6
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.10
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.69
[INFO] [stderr]   Downloaded untrusted v0.7.1
[INFO] [stderr]   Downloaded libc v0.2.81
[INFO] [stderr]   Downloaded pin-project-internal v1.0.2
[INFO] [stderr]   Downloaded spin v0.5.2
[INFO] [stderr]   Downloaded version_check v0.9.2
[INFO] [stderr]   Downloaded rand v0.7.3
[INFO] [stderr]   Downloaded base64 v0.13.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.69
[INFO] [stderr]   Downloaded tracing-futures v0.2.4
[INFO] [stderr]   Downloaded synstructure v0.12.4
[INFO] [stderr]   Downloaded security-framework-sys v0.4.3
[INFO] [stderr]   Downloaded futures-sink v0.3.8
[INFO] [stderr]   Downloaded futures-channel v0.3.8
[INFO] [stderr]   Downloaded rcgen v0.8.9
[INFO] [stderr]   Downloaded fuchsia-zircon v0.3.3
[INFO] [stderr]   Downloaded anyhow v1.0.37
[INFO] [stderr]   Downloaded scoped-tls v1.0.0
[INFO] [stderr]   Downloaded quinn-proto v0.6.1
[INFO] [stderr]   Downloaded futures-macro v0.3.8
[INFO] [stderr]   Downloaded ws2_32-sys v0.2.1
[INFO] [stderr]   Downloaded proc-macro-error-attr v1.0.4
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded rustversion v1.0.4
[INFO] [stderr]   Downloaded ansi_term v0.11.0
[INFO] [stderr]   Downloaded atty v0.2.14
[INFO] [stderr]   Downloaded strsim v0.8.0
[INFO] [stderr]   Downloaded getrandom v0.1.16
[INFO] [stderr]   Downloaded textwrap v0.11.0
[INFO] [stderr]   Downloaded semver v0.9.0
[INFO] [stderr]   Downloaded base64 v0.11.0
[INFO] [stderr]   Downloaded num-integer v0.1.44
[INFO] [stderr]   Downloaded matchers v0.0.1
[INFO] [stderr]   Downloaded ansi_term v0.12.1
[INFO] [stderr]   Downloaded time v0.1.44
[INFO] [stderr]   Downloaded serde_derive v1.0.118
[INFO] [stderr]   Downloaded mio v0.6.23
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded ring v0.16.19
[INFO] [stderr]   Downloaded serde v1.0.118
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.69
[INFO] [stderr]   Downloaded iovec v0.1.4
[INFO] [stderr]   Downloaded futures v0.3.8
[INFO] [stderr]   Downloaded futures-executor v0.3.8
[INFO] [stderr]   Downloaded pin-project v0.4.27
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded tokio-macros v0.2.6
[INFO] [stderr]   Downloaded bytes v0.5.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded rustls v0.17.0
[INFO] [stderr]   Downloaded smallvec v1.6.0
[INFO] [stderr]   Downloaded syn v1.0.57
[INFO] [stderr]   Downloaded futures-util v0.3.8
[INFO] [stderr]   Downloaded pem v0.8.2
[INFO] [stderr]   Downloaded once_cell v1.5.2
[INFO] [stderr]   Downloaded log v0.4.11
[INFO] [stderr]   Downloaded tracing-core v0.1.17
[INFO] [stderr]   Downloaded winapi v0.2.8
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded loom v0.3.6
[INFO] [stderr]   Downloaded proc-macro2 v1.0.24
[INFO] [stderr]   Downloaded itoa v0.4.7
[INFO] [stderr]   Downloaded winapi v0.3.9
[INFO] [stderr]   Downloaded cfg-if v1.0.0
[INFO] [stderr]   Downloaded cfg-if v0.1.10
[INFO] [stderr]   Downloaded winapi-i686-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded winapi-x86_64-pc-windows-gnu v0.4.0
[INFO] [stderr]   Downloaded sct v0.6.0
[INFO] [stderr]   Downloaded memchr v2.3.4
[INFO] [stderr]   Downloaded rand_hc v0.2.0
[INFO] [stderr]   Downloaded vec_map v0.8.2
[INFO] [stderr]   Downloaded miow v0.2.2
[INFO] [stderr]   Downloaded proc-macro-error v1.0.4
[INFO] [stderr]   Downloaded fuchsia-zircon-sys v0.3.3
[INFO] [stderr]   Downloaded mio-uds v0.6.8
[INFO] [stderr]   Downloaded pin-project-internal v0.4.27
[INFO] [stderr]   Downloaded regex-automata v0.1.9
[INFO] [stderr]   Downloaded serde_json v1.0.61
[INFO] [stderr]   Downloaded generator v0.6.23
[INFO] [stderr]   Downloaded sharded-slab v0.1.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.3.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.11
[INFO] [stderr]   Downloaded thread_local v1.0.1
[INFO] [stderr]   Downloaded pin-project-lite v0.2.0
[INFO] [stderr]   Downloaded tracing v0.1.22
[INFO] [stderr]   Downloaded quote v1.0.8
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.7
[INFO] [stderr]   Downloaded futures-io v0.3.8
[INFO] [stderr]   Downloaded futures-task v0.3.8
[INFO] [stderr]   Downloaded quinn v0.6.1
[INFO] [stderr]   Downloaded kernel32-sys v0.2.2
[INFO] [stderr]   Downloaded num_cpus v1.13.0
[INFO] [stderr]   Downloaded err-derive v0.2.4
[INFO] [stderr]   Downloaded security-framework v0.4.4
[INFO] [stderr]   Downloaded socket2 v0.3.19
[INFO] [stderr]   Downloaded slab v0.4.2
[INFO] [stderr]   Downloaded winapi-build v0.1.1
[INFO] [stderr]   Downloaded rand_chacha v0.2.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.7.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.3.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.69
[INFO] [stderr]   Downloaded yasna v0.3.2
[INFO] [stderr]   Downloaded fnv v1.0.7
[INFO] [stderr]   Downloaded net2 v0.2.37
[INFO] [stderr]   Downloaded pin-project-lite v0.1.11
[INFO] [stderr]   Downloaded tokio v0.2.24
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.15
[INFO] [stderr]   Downloaded chrono v0.4.19
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded ryu v1.0.5
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.69
[INFO] [stderr]   Downloaded cc v1.0.66
[INFO] [stderr]   Downloaded web-sys v0.3.46
[INFO] [stderr]   Downloaded wasi v0.10.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded schannel v0.1.19
[INFO] [stderr]   Downloaded webpki v0.21.4
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded unicode-xid v0.2.1
[INFO] [stderr]   Downloaded wasi v0.9.0+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded openssl-probe v0.1.2
[INFO] [stderr]   Downloaded core-foundation v0.7.0
[INFO] [stderr]   Downloaded bumpalo v3.4.0
[INFO] [stderr]   Downloaded tracing-serde v0.1.2
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded semver-parser v0.7.0
[INFO] [stderr]   Downloaded pin-project v1.0.2
[INFO] [stderr]   Downloaded ct-logs v0.6.0
[INFO] [stderr]   Downloaded js-sys v0.3.46
[INFO] [stderr]   Downloaded futures-core v0.3.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "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] 76fb30b38ee05df64e3eea90187e45fa0ce7b9e2cb02e4648bcd97cd2023c851
[INFO] running `Command { std: "docker" "start" "-a" "76fb30b38ee05df64e3eea90187e45fa0ce7b9e2cb02e4648bcd97cd2023c851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76fb30b38ee05df64e3eea90187e45fa0ce7b9e2cb02e4648bcd97cd2023c851", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fb30b38ee05df64e3eea90187e45fa0ce7b9e2cb02e4648bcd97cd2023c851", kill_on_drop: false }`
[INFO] [stdout] 76fb30b38ee05df64e3eea90187e45fa0ce7b9e2cb02e4648bcd97cd2023c851
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 6c66e919e12ce9fbef45292fa12601dde903fe5704c30bda8f09e1420606a108
[INFO] running `Command { std: "docker" "start" "-a" "6c66e919e12ce9fbef45292fa12601dde903fe5704c30bda8f09e1420606a108", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking untrusted v0.7.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling rustversion v1.0.4
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking smallvec v1.6.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling ring v0.16.19
[INFO] [stderr]     Checking pem v0.8.2
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling err-derive v0.2.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking yasna v0.3.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking rcgen v0.8.9
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling tracing-attributes v0.1.11
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.24
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking tracing v0.1.22
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking quinn-proto v0.6.1
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking quinn v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.15
[INFO] [stderr]     Checking tcp-over-quic v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.11s
[INFO] running `Command { std: "docker" "inspect" "6c66e919e12ce9fbef45292fa12601dde903fe5704c30bda8f09e1420606a108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c66e919e12ce9fbef45292fa12601dde903fe5704c30bda8f09e1420606a108", kill_on_drop: false }`
[INFO] [stdout] 6c66e919e12ce9fbef45292fa12601dde903fe5704c30bda8f09e1420606a108