[INFO] cloning repository https://github.com/wenewzhang/lapin-demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wenewzhang/lapin-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwenewzhang%2Flapin-demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwenewzhang%2Flapin-demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3ee604109818081271b02cdf03988b05a08c76a
[INFO] testing wenewzhang/lapin-demo against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwenewzhang%2Flapin-demo" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wenewzhang/lapin-demo on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wenewzhang/lapin-demo
[INFO] finished tweaking git repo https://github.com/wenewzhang/lapin-demo
[INFO] tweaked toml for git repo https://github.com/wenewzhang/lapin-demo written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/wenewzhang/lapin-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 1e357e85bad93c8b9490bbe08d6cebf774e7094b603c0e7ca5b019a571cc8689
[INFO] running `Command { std: "docker" "start" "-a" "1e357e85bad93c8b9490bbe08d6cebf774e7094b603c0e7ca5b019a571cc8689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e357e85bad93c8b9490bbe08d6cebf774e7094b603c0e7ca5b019a571cc8689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e357e85bad93c8b9490bbe08d6cebf774e7094b603c0e7ca5b019a571cc8689", kill_on_drop: false }`
[INFO] [stdout] 1e357e85bad93c8b9490bbe08d6cebf774e7094b603c0e7ca5b019a571cc8689
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--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] 6dcb480998689291b1a43fa064a521849b793570c7b39738f493221a4b8a7e73
[INFO] running `Command { std: "docker" "start" "-a" "6dcb480998689291b1a43fa064a521849b793570c7b39738f493221a4b8a7e73", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling openssl v0.10.33
[INFO] [stderr]    Compiling futures-core v0.3.14
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]    Compiling arrayvec v0.5.2
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling tap v1.0.1
[INFO] [stderr]    Compiling amq-protocol v6.0.3
[INFO] [stderr]    Compiling cookie-factory v0.3.2
[INFO] [stderr]    Compiling cache-padded v1.1.1
[INFO] [stderr]    Compiling fastrand v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.14
[INFO] [stderr]    Compiling async-task v4.0.3
[INFO] [stderr]    Compiling parking v2.0.0
[INFO] [stderr]    Compiling lapin v1.7.0
[INFO] [stderr]    Compiling waker-fn v1.1.0
[INFO] [stderr]    Compiling futures-sink v0.3.14
[INFO] [stderr]    Compiling event-listener v2.5.1
[INFO] [stderr]    Compiling atomic-waker v1.0.0
[INFO] [stderr]    Compiling vec-arena v1.1.0
[INFO] [stderr]    Compiling openssl-sys v0.9.61
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling lock_api v0.4.3
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling concurrent-queue v1.2.2
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling socket2 v0.4.0
[INFO] [stderr]    Compiling mio v0.7.11
[INFO] [stderr]    Compiling futures-lite v1.11.3
[INFO] [stderr]    Compiling polling v2.0.3
[INFO] [stderr]    Compiling bitvec v0.19.5
[INFO] [stderr]    Compiling async-channel v1.6.1
[INFO] [stderr]    Compiling spinning_top v0.2.3
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling amq-protocol-uri v6.0.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling async-io v1.4.0
[INFO] [stderr]    Compiling blocking v1.0.2
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling pem v0.8.3
[INFO] [stderr]    Compiling env_logger v0.8.3
[INFO] [stderr]    Compiling tcp-stream v0.20.6
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling tokio-macros v1.1.0
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling pin-project v1.0.7
[INFO] [stderr]    Compiling flume v0.10.4
[INFO] [stderr]    Compiling amq-protocol-tcp v6.0.3
[INFO] [stderr]    Compiling pinky-swear v4.4.0
[INFO] [stderr]    Compiling pinky-swear v5.1.0
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling amq-protocol-types v6.0.3
[INFO] [stderr]    Compiling tokio-amqp v1.0.0
[INFO] [stderr]    Compiling lapin-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let queue = channel_a
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:76:5
[INFO] [stdout]     |
[INFO] [stdout] 76  | /     channel_b
[INFO] [stdout] 77  | |         .basic_consume(
[INFO] [stdout] 78  | |             "hello",
[INFO] [stdout] 79  | |             "my_consumer",
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |             }
[INFO] [stdout] 105 | |         });
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 08s
[INFO] running `Command { std: "docker" "inspect" "6dcb480998689291b1a43fa064a521849b793570c7b39738f493221a4b8a7e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6dcb480998689291b1a43fa064a521849b793570c7b39738f493221a4b8a7e73", kill_on_drop: false }`
[INFO] [stdout] 6dcb480998689291b1a43fa064a521849b793570c7b39738f493221a4b8a7e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c35f99acd148865216b6a5dabd7dbd945bce27e2b7d044dd42cd392a821c6e0f
[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" "c35f99acd148865216b6a5dabd7dbd945bce27e2b7d044dd42cd392a821c6e0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling ansi_term v0.12.1
[INFO] [stderr]    Compiling sharded-slab v0.1.1
[INFO] [stderr]    Compiling tracing-log v0.1.2
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling tracing-serde v0.1.2
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling matchers v0.0.1
[INFO] [stderr]    Compiling tracing-subscriber v0.2.17
[INFO] [stderr]    Compiling lapin-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `queue`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let queue = channel_a
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:76:5
[INFO] [stdout]     |
[INFO] [stdout] 76  | /     channel_b
[INFO] [stdout] 77  | |         .basic_consume(
[INFO] [stdout] 78  | |             "hello",
[INFO] [stdout] 79  | |             "my_consumer",
[INFO] [stdout] ...   |
[INFO] [stdout] 104 | |             }
[INFO] [stdout] 105 | |         });
[INFO] [stdout]     | |___________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 10.84s
[INFO] running `Command { std: "docker" "inspect" "c35f99acd148865216b6a5dabd7dbd945bce27e2b7d044dd42cd392a821c6e0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35f99acd148865216b6a5dabd7dbd945bce27e2b7d044dd42cd392a821c6e0f", kill_on_drop: false }`
[INFO] [stdout] c35f99acd148865216b6a5dabd7dbd945bce27e2b7d044dd42cd392a821c6e0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "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] 5f8dfaec1f06f288b04d2d47c29ded167533adc7a0a57c37251e08fce599b89b
[INFO] running `Command { std: "docker" "start" "-a" "5f8dfaec1f06f288b04d2d47c29ded167533adc7a0a57c37251e08fce599b89b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `queue`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let queue = channel_a
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_queue`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:76:5
[INFO] [stderr]     |
[INFO] [stderr] 76  | /     channel_b
[INFO] [stderr] 77  | |         .basic_consume(
[INFO] [stderr] 78  | |             "hello",
[INFO] [stderr] 79  | |             "my_consumer",
[INFO] [stderr] ...   |
[INFO] [stderr] 104 | |             }
[INFO] [stderr] 105 | |         });
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/lapin_demo-b8661ec25840abed)
[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" "5f8dfaec1f06f288b04d2d47c29ded167533adc7a0a57c37251e08fce599b89b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f8dfaec1f06f288b04d2d47c29ded167533adc7a0a57c37251e08fce599b89b", kill_on_drop: false }`
[INFO] [stdout] 5f8dfaec1f06f288b04d2d47c29ded167533adc7a0a57c37251e08fce599b89b