[INFO] fetching crate wstcp 0.2.0...
[INFO] testing wstcp-0.2.0 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate wstcp 0.2.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wstcp 0.2.0 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate wstcp 0.2.0
[INFO] finished tweaking crates.io crate wstcp 0.2.0
[INFO] tweaked toml for crates.io crate wstcp 0.2.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate wstcp 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.12
[INFO] [stderr]   Downloaded slog-async v2.5.0
[INFO] [stderr]   Downloaded async-task v1.3.1
[INFO] [stderr]   Downloaded serde_derive v1.0.110
[INFO] [stderr]   Downloaded httpcodec v0.2.3
[INFO] [stderr]   Downloaded async-std v1.5.0
[INFO] [stderr]   Downloaded kv-log-macro v1.0.5
[INFO] [stderr]   Downloaded once_cell v1.3.1
[INFO] [stderr]   Downloaded syn v1.0.19
[INFO] [stderr]   Downloaded bytecodec v0.4.13
[INFO] [stderr]   Downloaded slog-stdlog v3.0.5
[INFO] [stderr]   Downloaded serde v1.0.110
[INFO] [stderr]   Downloaded slog-kvfilter v0.7.0
[INFO] [stderr]   Downloaded trackable v0.2.23
[INFO] [stderr]   Downloaded crossbeam-channel v0.4.2
[INFO] [stderr]   Downloaded sloggers v0.3.6
[INFO] [stderr]   Downloaded slog-term v2.5.0
[INFO] [stderr]   Downloaded trackable_derive v0.1.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb21e91fe0fab9e0e4d4ac7464c29de5f70636725c80c5129736ccbcfc8d4198
[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" "bb21e91fe0fab9e0e4d4ac7464c29de5f70636725c80c5129736ccbcfc8d4198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb21e91fe0fab9e0e4d4ac7464c29de5f70636725c80c5129736ccbcfc8d4198", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb21e91fe0fab9e0e4d4ac7464c29de5f70636725c80c5129736ccbcfc8d4198", kill_on_drop: false }`
[INFO] [stdout] bb21e91fe0fab9e0e4d4ac7464c29de5f70636725c80c5129736ccbcfc8d4198
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2545b587c716acb9493f4b734ab831acc0780a0cc4b4ff66796c54e1996df12f
[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" "2545b587c716acb9493f4b734ab831acc0780a0cc4b4ff66796c54e1996df12f", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling arc-swap v0.4.6
[INFO] [stderr]    Compiling serde v1.0.110
[INFO] [stderr]    Compiling adler32 v1.0.4
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling futures-core v0.3.5
[INFO] [stderr]    Compiling once_cell v1.3.1
[INFO] [stderr]    Compiling futures-timer v2.0.2
[INFO] [stderr]    Compiling pin-project-lite v0.1.5
[INFO] [stderr]    Compiling base64 v0.12.1
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling crossbeam-channel v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling libflate v0.1.27
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling kv-log-macro v1.0.5
[INFO] [stderr]    Compiling slog-scope v4.3.0
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling slog-async v2.5.0
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling async-task v1.3.1
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling slog-kvfilter v0.7.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling slog-term v2.5.0
[INFO] [stderr]    Compiling async-std v1.5.0
[INFO] [stderr]    Compiling trackable_derive v0.1.3
[INFO] [stderr]    Compiling serde_derive v1.0.110
[INFO] [stderr]    Compiling trackable v0.2.23
[INFO] [stderr]    Compiling bytecodec v0.4.13
[INFO] [stderr]    Compiling httpcodec v0.2.3
[INFO] [stderr]    Compiling sloggers v0.3.6
[INFO] [stderr]    Compiling wstcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fin_flag`
[INFO] [stdout]   --> src/frame.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fin_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `proxy_addr`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     proxy_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 31s
[INFO] running `Command { std: "docker" "inspect" "2545b587c716acb9493f4b734ab831acc0780a0cc4b4ff66796c54e1996df12f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2545b587c716acb9493f4b734ab831acc0780a0cc4b4ff66796c54e1996df12f", kill_on_drop: false }`
[INFO] [stdout] 2545b587c716acb9493f4b734ab831acc0780a0cc4b4ff66796c54e1996df12f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cf01b82a87181bad47cd292d3354e97f4c37cc3485111271fbbbc4556855572
[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" "5cf01b82a87181bad47cd292d3354e97f4c37cc3485111271fbbbc4556855572", kill_on_drop: false }`
[INFO] [stderr]    Compiling wstcp v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `fin_flag`
[INFO] [stdout]   --> src/frame.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fin_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `proxy_addr`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     proxy_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `fin_flag`
[INFO] [stdout]   --> src/frame.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fin_flag: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `proxy_addr`
[INFO] [stdout]   --> src/server.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     proxy_addr: SocketAddr,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.78s
[INFO] running `Command { std: "docker" "inspect" "5cf01b82a87181bad47cd292d3354e97f4c37cc3485111271fbbbc4556855572", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cf01b82a87181bad47cd292d3354e97f4c37cc3485111271fbbbc4556855572", kill_on_drop: false }`
[INFO] [stdout] 5cf01b82a87181bad47cd292d3354e97f4c37cc3485111271fbbbc4556855572
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 33924778a42e422543633003d6bebce4bea5ff29e91fad962001a22b98280d56
[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" "33924778a42e422543633003d6bebce4bea5ff29e91fad962001a22b98280d56", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `fin_flag`
[INFO] [stderr]   --> src/frame.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fin_flag: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `proxy_addr`
[INFO] [stderr]   --> src/server.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     proxy_addr: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wstcp` (lib) generated 2 warnings
[INFO] [stderr] warning: `wstcp` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wstcp-c3f33138b8731030)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test util::test::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/wstcp-3c9c01cb9cc6e835)
[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] [stderr]    Doc-tests wstcp
[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" "33924778a42e422543633003d6bebce4bea5ff29e91fad962001a22b98280d56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33924778a42e422543633003d6bebce4bea5ff29e91fad962001a22b98280d56", kill_on_drop: false }`
[INFO] [stdout] 33924778a42e422543633003d6bebce4bea5ff29e91fad962001a22b98280d56