[INFO] fetching crate kyoto_network 0.1.0...
[INFO] testing kyoto_network-0.1.0 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate kyoto_network 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kyoto_network 0.1.0 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kyoto_network 0.1.0
[INFO] finished tweaking crates.io crate kyoto_network 0.1.0
[INFO] tweaked toml for crates.io crate kyoto_network 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kyoto_data v0.1.0
[INFO] [stderr]   Downloaded kyoto_machine v0.1.0
[INFO] [stderr]   Downloaded kyoto_protocol v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a009fe6cd0b015e4c8d7a690961d5bd2be67dcdf2c8a45055af20c6e8c977c5
[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" "5a009fe6cd0b015e4c8d7a690961d5bd2be67dcdf2c8a45055af20c6e8c977c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a009fe6cd0b015e4c8d7a690961d5bd2be67dcdf2c8a45055af20c6e8c977c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a009fe6cd0b015e4c8d7a690961d5bd2be67dcdf2c8a45055af20c6e8c977c5", kill_on_drop: false }`
[INFO] [stdout] 5a009fe6cd0b015e4c8d7a690961d5bd2be67dcdf2c8a45055af20c6e8c977c5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd52f855dce54012015d305567d44f26bcf168b269723322601f86970398800b
[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" "cd52f855dce54012015d305567d44f26bcf168b269723322601f86970398800b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling httparse v1.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling tracing-core v0.1.18
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling instant v0.1.10
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling sharded-slab v0.1.2
[INFO] [stderr]    Compiling lock_api v0.4.4
[INFO] [stderr]    Compiling thread_local v1.1.3
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling mio v0.7.13
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]    Compiling kyoto_protocol v0.1.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling kyoto_data v0.1.0
[INFO] [stderr]    Compiling kyoto_machine v0.1.0
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling tracing v0.1.26
[INFO] [stderr]    Compiling pin-project v1.0.8
[INFO] [stderr]    Compiling tracing-subscriber v0.2.19
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stderr]    Compiling kyoto_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `error_type`
[INFO] [stdout]   --> src/network_handler.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Response::Error{ error_type, message } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.37s
[INFO] running `Command { std: "docker" "inspect" "cd52f855dce54012015d305567d44f26bcf168b269723322601f86970398800b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd52f855dce54012015d305567d44f26bcf168b269723322601f86970398800b", kill_on_drop: false }`
[INFO] [stdout] cd52f855dce54012015d305567d44f26bcf168b269723322601f86970398800b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1911e0c25b99866f9e3413a5f99a064dba66a59421ac4a1028db9441e6fc1807
[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" "1911e0c25b99866f9e3413a5f99a064dba66a59421ac4a1028db9441e6fc1807", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `error_type`
[INFO] [stdout]   --> src/network_handler.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Response::Error{ error_type, message } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling kyoto_network v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `error_type`
[INFO] [stdout]   --> src/network_handler.rs:61:30
[INFO] [stdout]    |
[INFO] [stdout] 61 |             Response::Error{ error_type, message } => {
[INFO] [stdout]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "1911e0c25b99866f9e3413a5f99a064dba66a59421ac4a1028db9441e6fc1807", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1911e0c25b99866f9e3413a5f99a064dba66a59421ac4a1028db9441e6fc1807", kill_on_drop: false }`
[INFO] [stdout] 1911e0c25b99866f9e3413a5f99a064dba66a59421ac4a1028db9441e6fc1807
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d9df7e710b0c4d272f2636843113c002a2b4636bce934ba6b746d57cacfca46b
[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" "d9df7e710b0c4d272f2636843113c002a2b4636bce934ba6b746d57cacfca46b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `error_type`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/network_handler.rs:61:30
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 61 |             Response::Error{ error_type, message } => {
[INFO] [stdout] 
[INFO] [stderr]    |                              ^^^^^^^^^^ help: try ignoring the field: `error_type: _`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `kyoto_network` (lib) generated 1 warning
[INFO] [stderr] warning: `kyoto_network` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/kyoto_network-bfac99253e199a79)
[INFO] [stderr]    Doc-tests kyoto_network
[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" "d9df7e710b0c4d272f2636843113c002a2b4636bce934ba6b746d57cacfca46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9df7e710b0c4d272f2636843113c002a2b4636bce934ba6b746d57cacfca46b", kill_on_drop: false }`
[INFO] [stdout] d9df7e710b0c4d272f2636843113c002a2b4636bce934ba6b746d57cacfca46b