[INFO] cloning repository https://github.com/spec-tacles/rustacles
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/spec-tacles/rustacles" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspec-tacles%2Frustacles", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspec-tacles%2Frustacles'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 556911faa6b9e74bc1010bce6271e54f38a69676
[INFO] checking spec-tacles/rustacles against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fspec-tacles%2Frustacles" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/spec-tacles/rustacles on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/spec-tacles/rustacles
[INFO] finished tweaking git repo https://github.com/spec-tacles/rustacles
[INFO] tweaked toml for git repo https://github.com/spec-tacles/rustacles written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/spec-tacles/rustacles already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded amq-protocol-uri v6.0.3
[INFO] [stderr]   Downloaded amq-protocol-tcp v6.0.3
[INFO] [stderr]   Downloaded amq-protocol-types v6.0.3
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[INFO] [stderr]   Downloaded async-tungstenite v0.6.0
[INFO] [stderr]   Downloaded cookie-factory v0.3.2
[INFO] [stderr]   Downloaded lapin v1.7.1
[INFO] [stderr]   Downloaded amq-protocol v6.0.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8aeed598148b5d4a6a29916075f9c9c75819e6201b162655c515344c02e1a216
[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" "8aeed598148b5d4a6a29916075f9c9c75819e6201b162655c515344c02e1a216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8aeed598148b5d4a6a29916075f9c9c75819e6201b162655c515344c02e1a216", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aeed598148b5d4a6a29916075f9c9c75819e6201b162655c515344c02e1a216", kill_on_drop: false }`
[INFO] [stdout] 8aeed598148b5d4a6a29916075f9c9c75819e6201b162655c515344c02e1a216
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "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] ec6026d8161f1f32b01c8d52ec0af1267bfd7bad321835ab3274e662c8311942
[INFO] running `Command { std: "docker" "start" "-a" "ec6026d8161f1f32b01c8d52ec0af1267bfd7bad321835ab3274e662c8311942", kill_on_drop: false }`
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[INFO] [stderr]    Compiling quote v1.0.9
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[INFO] [stderr]     Checking async-std v1.9.0
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[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]    Compiling openssl v0.10.35
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[INFO] [stderr]     Checking rand v0.6.5
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[INFO] [stderr]     Checking rand_chacha v0.2.2
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[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking nanoid v0.3.0
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[INFO] [stderr]     Checking amq-protocol-uri v6.0.3
[INFO] [stderr]     Checking pem v0.8.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking tcp-stream v0.20.7
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking amq-protocol-tcp v6.0.3
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
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[INFO] [stderr]     Checking thiserror v1.0.26
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[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking tokio-stream v0.1.7
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[INFO] [stderr]     Checking serde v1.0.127
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
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[INFO] [stderr]     Checking async-tungstenite v0.6.0
[INFO] [stderr]     Checking h2 v0.2.7
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[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking amq-protocol-types v6.0.3
[INFO] [stderr]     Checking hyper v0.13.10
[INFO] [stderr]     Checking rustacles-model v0.1.0 (/opt/rustwide/workdir/models)
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.10
[INFO] [stderr]     Checking rustacles-brokers v0.2.0 (/opt/rustwide/workdir/brokers)
[INFO] [stderr]     Checking rustacles-gateway v0.1.0 (/opt/rustwide/workdir/gateway)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> gateway/src/queue.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn start_send(mut self: Pin<&mut Self>, item: TungsteniteMessage) -> Result<(), Self::Error> {
[INFO] [stdout]    |                   ----^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> gateway/src/queue.rs:26:19
[INFO] [stdout]    |
[INFO] [stdout] 26 |     fn start_send(mut self: Pin<&mut Self>, item: TungsteniteMessage) -> Result<(), Self::Error> {
[INFO] [stdout]    |                   ----^^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 08s
[INFO] running `Command { std: "docker" "inspect" "ec6026d8161f1f32b01c8d52ec0af1267bfd7bad321835ab3274e662c8311942", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6026d8161f1f32b01c8d52ec0af1267bfd7bad321835ab3274e662c8311942", kill_on_drop: false }`
[INFO] [stdout] ec6026d8161f1f32b01c8d52ec0af1267bfd7bad321835ab3274e662c8311942