[INFO] fetching crate post-sockets 0.1.0...
[INFO] testing post-sockets-0.1.0 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate post-sockets 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate post-sockets 0.1.0 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate post-sockets 0.1.0
[INFO] finished tweaking crates.io crate post-sockets 0.1.0
[INFO] tweaked toml for crates.io crate post-sockets 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 726dbcb217ad69fae35b372bab6aa41397703ffec00c55bd5727f8d875173e48
[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" "726dbcb217ad69fae35b372bab6aa41397703ffec00c55bd5727f8d875173e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "726dbcb217ad69fae35b372bab6aa41397703ffec00c55bd5727f8d875173e48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726dbcb217ad69fae35b372bab6aa41397703ffec00c55bd5727f8d875173e48", kill_on_drop: false }`
[INFO] [stdout] 726dbcb217ad69fae35b372bab6aa41397703ffec00c55bd5727f8d875173e48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c2440d88abf4bab918ece5454506f63483b325c1c1e6e1091978b25e63a1e527
[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" "c2440d88abf4bab918ece5454506f63483b325c1c1e6e1091978b25e63a1e527", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling post-sockets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/carrier.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/protocols/quic/mod.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn decode_message(&self, data : &[u8]) -> Option<Self::M> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mesg`
[INFO] [stdout]   --> src/protocols/quic/mod.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn encode_message(&self, mesg : &Self::M) -> &[u8] {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mesg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Carrier`
[INFO] [stdout]   --> src/carrier.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Carrier<P : Protocol> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/carrier.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.97s
[INFO] running `Command { std: "docker" "inspect" "c2440d88abf4bab918ece5454506f63483b325c1c1e6e1091978b25e63a1e527", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2440d88abf4bab918ece5454506f63483b325c1c1e6e1091978b25e63a1e527", kill_on_drop: false }`
[INFO] [stdout] c2440d88abf4bab918ece5454506f63483b325c1c1e6e1091978b25e63a1e527
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d493a395e019db404aedc868ef332d085aa4d671c6240e9e131ffcf0dcbc3d54
[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" "d493a395e019db404aedc868ef332d085aa4d671c6240e9e131ffcf0dcbc3d54", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/carrier.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/protocols/quic/mod.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn decode_message(&self, data : &[u8]) -> Option<Self::M> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mesg`
[INFO] [stdout]   --> src/protocols/quic/mod.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn encode_message(&self, mesg : &Self::M) -> &[u8] {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mesg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Carrier`
[INFO] [stdout]   --> src/carrier.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Carrier<P : Protocol> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/carrier.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling post-sockets v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/carrier.rs:34:24
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stdout]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]   --> src/protocols/quic/mod.rs:71:30
[INFO] [stdout]    |
[INFO] [stdout] 71 |     fn decode_message(&self, data : &[u8]) -> Option<Self::M> {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mesg`
[INFO] [stdout]   --> src/protocols/quic/mod.rs:75:30
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn encode_message(&self, mesg : &Self::M) -> &[u8] {
[INFO] [stdout]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mesg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Carrier`
[INFO] [stdout]   --> src/carrier.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct Carrier<P : Protocol> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send`
[INFO] [stdout]   --> src/carrier.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.39s
[INFO] running `Command { std: "docker" "inspect" "d493a395e019db404aedc868ef332d085aa4d671c6240e9e131ffcf0dcbc3d54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d493a395e019db404aedc868ef332d085aa4d671c6240e9e131ffcf0dcbc3d54", kill_on_drop: false }`
[INFO] [stdout] d493a395e019db404aedc868ef332d085aa4d671c6240e9e131ffcf0dcbc3d54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", 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] 1b5131f818f601be70cf0ffc3896725ed9d1df5f3d1e8e4905f835284fa3cdbd
[INFO] running `Command { std: "docker" "start" "-a" "1b5131f818f601be70cf0ffc3896725ed9d1df5f3d1e8e4905f835284fa3cdbd", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `msg`
[INFO] [stderr]   --> src/carrier.rs:34:24
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stderr]    |                        ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:71:30
[INFO] [stderr]    |
[INFO] [stderr] 71 |     fn decode_message(&self, data : &[u8]) -> Option<Self::M> {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mesg`
[INFO] [stderr]   --> src/protocols/quic/mod.rs:75:30
[INFO] [stderr]    |
[INFO] [stderr] 75 |     fn encode_message(&self, mesg : &Self::M) -> &[u8] {
[INFO] [stderr]    |                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mesg`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Carrier`
[INFO] [stderr]   --> src/carrier.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | pub struct Carrier<P : Protocol> {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `send`
[INFO] [stderr]   --> src/carrier.rs:34:8
[INFO] [stderr]    |
[INFO] [stderr] 34 |     fn send(&mut self, msg : &P::M) {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `post-sockets` (lib) generated 5 warnings
[INFO] [stderr] warning: `post-sockets` (lib test) generated 5 warnings (5 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/post_sockets-1526a53de042bcd9)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quic_client-c5eb908f73887bf1)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/quic_server-f8a6c09474bea2bf)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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] [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 post-sockets
[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" "1b5131f818f601be70cf0ffc3896725ed9d1df5f3d1e8e4905f835284fa3cdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b5131f818f601be70cf0ffc3896725ed9d1df5f3d1e8e4905f835284fa3cdbd", kill_on_drop: false }`
[INFO] [stdout] 1b5131f818f601be70cf0ffc3896725ed9d1df5f3d1e8e4905f835284fa3cdbd