[INFO] fetching crate gmt_dos-actors 12.0.0...
[INFO] checking gmt_dos-actors-12.0.0 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate gmt_dos-actors 12.0.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate gmt_dos-actors 12.0.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate gmt_dos-actors 12.0.0
[INFO] tweaked toml for crates.io crate gmt_dos-actors 12.0.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gmt_dos-actors 12.0.0 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate gmt_dos-actors 12.0.0 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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded vec_box v1.0.0
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[INFO] [stderr]   Downloaded complot v0.3.5
[INFO] [stderr]   Downloaded paris v1.5.15
[INFO] [stderr]   Downloaded gmt_dos-actors_dsl v2.2.0
[INFO] [stderr]   Downloaded iter-read v1.1.0
[INFO] [stderr]   Downloaded gmt_dos-clients v5.0.0
[INFO] [stderr]   Downloaded serde-pickle v1.2.0
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[INFO] [stdout] dde646993f3acb27b32ce209180a2ae7fe94c6a1df21a3f7c036e02dbddf4099
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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_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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 85ac683f04df3c180508f8f2e89fb1de5b6629406d21ee0e5c24d97e8ba08044
[INFO] running `Command { std: "docker" "start" "-a" "85ac683f04df3c180508f8f2e89fb1de5b6629406d21ee0e5c24d97e8ba08044", kill_on_drop: false }`
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[INFO] [stdout] warning: struct `Differentiator` is never constructed
[INFO] [stdout]  --> examples/simple/feedback.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Differentiator(f64, f64);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Integrator` is never constructed
[INFO] [stdout]   --> examples/simple/feedback.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Integrator {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `last` are never used
[INFO] [stdout]   --> examples/simple/feedback.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Integrator {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(gain: f64, n_data: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn last(&self) -> Option<Vec<f64>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IntegratorToDifferentiator` is never used
[INFO] [stdout]   --> examples/simple/feedback.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum IntegratorToDifferentiator {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sampler` is never constructed
[INFO] [stdout]  --> examples/simple/sampler.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Sampler(f64);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] /*
[INFO] [stdout] Model MODEL [ready] :
[INFO] [stdout]   1: source_actor[SignalToFilter] -> logging_actor
[INFO] [stdout]   1: source_actor[SignalToFilter] -> filter_actor[FilterToSink] -> logging_actor
[INFO] [stdout]  */
[INFO] [stdout] warning: constant `R` is never used
[INFO] [stdout]   --> examples/simple_dsl/main.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 |     const R: usize = 1;
[INFO] [stdout]    |           ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Differentiator` is never constructed
[INFO] [stdout]  --> examples/simple_dsl/feedback.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Differentiator(f64, f64);
[INFO] [stdout]   |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Integrator` is never constructed
[INFO] [stdout]   --> examples/simple_dsl/feedback.rs:27:12
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct Integrator {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `last` are never used
[INFO] [stdout]   --> examples/simple_dsl/feedback.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Integrator {
[INFO] [stdout]    | --------------- associated items in this implementation
[INFO] [stdout] 32 |     pub fn new(gain: f64, n_data: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 38 |     pub fn last(&self) -> Option<Vec<f64>> {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `IntegratorToDifferentiator` is never used
[INFO] [stdout]   --> examples/simple_dsl/feedback.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum IntegratorToDifferentiator {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Sampler` is never constructed
[INFO] [stdout]  --> examples/simple_dsl/sampler.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Sampler(f64);
[INFO] [stdout]   |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `actor`
[INFO] [stdout]   --> src/client.rs:69:13
[INFO] [stdout]    |
[INFO] [stdout] 69 |         let actor: Actor<_> = Actor::from(&client);
[INFO] [stdout]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_actor`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other_client`
[INFO] [stdout]   --> src/client.rs:71:13
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let other_client: Client<'_, TestClient> = client;
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_other_client`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 43.80s
[INFO] running `Command { std: "docker" "inspect" "85ac683f04df3c180508f8f2e89fb1de5b6629406d21ee0e5c24d97e8ba08044", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85ac683f04df3c180508f8f2e89fb1de5b6629406d21ee0e5c24d97e8ba08044", kill_on_drop: false }`
[INFO] [stdout] 85ac683f04df3c180508f8f2e89fb1de5b6629406d21ee0e5c24d97e8ba08044