[INFO] fetching crate adlib 0.1.1...
[INFO] building adlib-0.1.1 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate adlib 0.1.1 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate adlib 0.1.1 on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate adlib 0.1.1
[INFO] finished tweaking crates.io crate adlib 0.1.1
[INFO] tweaked toml for crates.io crate adlib 0.1.1 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d3ff190f3c6070502e0d6e5660d0e2bcf5b46037dd611d3721c6591e27b6ada
[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" "4d3ff190f3c6070502e0d6e5660d0e2bcf5b46037dd611d3721c6591e27b6ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d3ff190f3c6070502e0d6e5660d0e2bcf5b46037dd611d3721c6591e27b6ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d3ff190f3c6070502e0d6e5660d0e2bcf5b46037dd611d3721c6591e27b6ada", kill_on_drop: false }`
[INFO] [stdout] 4d3ff190f3c6070502e0d6e5660d0e2bcf5b46037dd611d3721c6591e27b6ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2718fb1cb51264a7ef99692e41d51622f7ff36f310900a9440242f08843ee0e0
[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" "2718fb1cb51264a7ef99692e41d51622f7ff36f310900a9440242f08843ee0e0", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling async-stream-impl v0.3.2
[INFO] [stderr]    Compiling async-stream v0.3.2
[INFO] [stderr]    Compiling adlib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pipe.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn plug<'a>(&'a mut self, mut plug: P) -> &'a mut Self {
[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: field is never read: `source`
[INFO] [stdout]  --> src/pipe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     source: IN,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sink`
[INFO] [stdout]  --> src/pipe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sink: OUT,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prev`
[INFO] [stdout]   --> src/plug.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) prev: &'a dyn Stream<Item = PipeMessage>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.03s
[INFO] running `Command { std: "docker" "inspect" "2718fb1cb51264a7ef99692e41d51622f7ff36f310900a9440242f08843ee0e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2718fb1cb51264a7ef99692e41d51622f7ff36f310900a9440242f08843ee0e0", kill_on_drop: false }`
[INFO] [stdout] 2718fb1cb51264a7ef99692e41d51622f7ff36f310900a9440242f08843ee0e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d3a3779471706386f37debd6fa9acc81e1c7fc881ba3c920abf78b64f95fdc2
[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" "8d3a3779471706386f37debd6fa9acc81e1c7fc881ba3c920abf78b64f95fdc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling adlib v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pipe.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn plug<'a>(&'a mut self, mut plug: P) -> &'a mut Self {
[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: field is never read: `source`
[INFO] [stdout]  --> src/pipe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     source: IN,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sink`
[INFO] [stdout]  --> src/pipe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sink: OUT,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prev`
[INFO] [stdout]   --> src/plug.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) prev: &'a dyn Stream<Item = PipeMessage>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/pipe.rs:10:35
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn plug<'a>(&'a mut self, mut plug: P) -> &'a mut Self {
[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: field is never read: `source`
[INFO] [stdout]  --> src/pipe.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     source: IN,
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sink`
[INFO] [stdout]  --> src/pipe.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sink: OUT,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `prev`
[INFO] [stdout]   --> src/plug.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub(crate) prev: &'a dyn Stream<Item = PipeMessage>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "8d3a3779471706386f37debd6fa9acc81e1c7fc881ba3c920abf78b64f95fdc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3a3779471706386f37debd6fa9acc81e1c7fc881ba3c920abf78b64f95fdc2", kill_on_drop: false }`
[INFO] [stdout] 8d3a3779471706386f37debd6fa9acc81e1c7fc881ba3c920abf78b64f95fdc2
