[INFO] fetching crate orchestra 0.4.1...
[INFO] checking orchestra-0.4.1 against master#61cc47e367d7be91e13bcd01e4e96e0e233d4f6d for pr-133502-17
[INFO] extracting crate orchestra 0.4.1 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate orchestra 0.4.1
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate orchestra 0.4.1
[INFO] tweaked toml for crates.io crate orchestra 0.4.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate orchestra 0.4.1 on toolchain 61cc47e367d7be91e13bcd01e4e96e0e233d4f6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate orchestra 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00e437d761ffeb33fd1e907b1b9c2f4975ee6e92448b466173abc242a46b084f
[INFO] running `Command { std: "docker" "start" "-a" "00e437d761ffeb33fd1e907b1b9c2f4975ee6e92448b466173abc242a46b084f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00e437d761ffeb33fd1e907b1b9c2f4975ee6e92448b466173abc242a46b084f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00e437d761ffeb33fd1e907b1b9c2f4975ee6e92448b466173abc242a46b084f", kill_on_drop: false }`
[INFO] [stdout] 00e437d761ffeb33fd1e907b1b9c2f4975ee6e92448b466173abc242a46b084f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+61cc47e367d7be91e13bcd01e4e96e0e233d4f6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e49d216b4218b3d1e97c44b0381500533e488bdc500d50321da91dc4ba16914d
[INFO] running `Command { std: "docker" "start" "-a" "e49d216b4218b3d1e97c44b0381500533e488bdc500d50321da91dc4ba16914d", kill_on_drop: false }`
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[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]    --> src/lib.rs:300:3
[INFO] [stdout]     |
[INFO] [stdout] 300 |         source: Box<dyn 'static + std::error::Error + Send + Sync>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.1
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[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr] ✅ Found no strongly connected components, hence no cycles exist
[INFO] [stderr] ⚡ Found 1 strongly connected component which includes at least one cycle
[INFO] [stderr] cycle(001) ∈ α: Sender ~~{"Msg1029"}~~> Receiver ~~{"MsgU64"}~~>  *
[INFO] [stderr] ⚡ Found 1 strongly connected component which includes at least one cycle
[INFO] [stderr] cycle(001) ∈ α: Sender ~~{"MsgU8"}~~> Receiver ~~{"MsgU64"}~~>  *
[INFO] [stderr] ⚡ Found 1 strongly connected component which includes at least one cycle
[INFO] [stderr] cycle(001) ∈ α: SubsystemA ~~{"Message2"}~~> SubsystemB ~~{"Message1"}~~>  *
[INFO] [stderr] ⚡ Found 1 strongly connected component which includes at least one cycle
[INFO] [stderr] cycle(001) ∈ α: Sender ~~{"Msg1029"}~~> Receiver ~~{"MsgU64"}~~>  *
[INFO] [stderr] ⚡ Found 1 strongly connected component which includes at least one cycle
[INFO] [stderr] cycle(001) ∈ α: SubA ~~{"MsgB"}~~> SubB ~~{"MsgA"}~~>  *
[INFO] [stderr] ⚡ Found 1 strongly connected component which includes at least one cycle
[INFO] [stderr] cycle(001) ∈ α: Awesome ~~{"Plinko"}~~> GoblinTower ~~{"MsgStrukt"}~~>  *
[INFO] [stderr] ⚡ Found 1 strongly connected component which includes at least one cycle
[INFO] [stderr] cycle(001) ∈ α: Sender ~~{"MsgU8"}~~> Receiver ~~{"MsgU64"}~~>  *
[INFO] [stdout] warning: value assigned to `source` is never read
[INFO] [stdout]    --> src/lib.rs:300:3
[INFO] [stdout]     |
[INFO] [stdout] 300 |         source: Box<dyn 'static + std::error::Error + Send + Sync>,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `MyError` is never used
[INFO] [stdout]   --> examples/backpressure.rs:59:6
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum MyError {
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.14s
[INFO] running `Command { std: "docker" "inspect" "e49d216b4218b3d1e97c44b0381500533e488bdc500d50321da91dc4ba16914d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e49d216b4218b3d1e97c44b0381500533e488bdc500d50321da91dc4ba16914d", kill_on_drop: false }`
[INFO] [stdout] e49d216b4218b3d1e97c44b0381500533e488bdc500d50321da91dc4ba16914d