[INFO] fetching crate futures-rate 0.1.5...
[INFO] building futures-rate-0.1.5 against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] extracting crate futures-rate 0.1.5 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate futures-rate 0.1.5 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 futures-rate 0.1.5
[INFO] finished tweaking crates.io crate futures-rate 0.1.5
[INFO] tweaked toml for crates.io crate futures-rate 0.1.5 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate futures-rate 0.1.5 already has a lockfile, it will not be regenerated
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3ba030652baa377a7054f2986bae718fb705445ee0b084f6757c35433909cd89
[INFO] running `Command { std: "docker" "start" "-a" "3ba030652baa377a7054f2986bae718fb705445ee0b084f6757c35433909cd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ba030652baa377a7054f2986bae718fb705445ee0b084f6757c35433909cd89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba030652baa377a7054f2986bae718fb705445ee0b084f6757c35433909cd89", kill_on_drop: false }`
[INFO] [stdout] 3ba030652baa377a7054f2986bae718fb705445ee0b084f6757c35433909cd89
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 981bf4ba2f357f32002ddaa1f462def05080f9d1f1ab21d77e3685241e269e33
[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" "981bf4ba2f357f32002ddaa1f462def05080f9d1f1ab21d77e3685241e269e33", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-queue v0.2.0
[INFO] [stderr]    Compiling futures-rate v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/gatekeeper.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 | /             (
[INFO] [stdout] 105 | |                 async move {
[INFO] [stdout] 106 | |                     ticket.await?;
[INFO] [stdout] 107 | |                     Ok(fut.await)
[INFO] [stdout] 108 | |                 }
[INFO] [stdout] 109 | |                 //            Token {},
[INFO] [stdout] 110 | |             ),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 |             async move {
[INFO] [stdout] 105 |                     ticket.await?;
[INFO] [stdout] 106 |                     Ok(fut.await)
[INFO] [stdout] 107 |                 }
[INFO] [stdout] 108 |                 //            Token {},,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `policy`
[INFO] [stdout]   --> src/gatekeeper.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     policy: TokenPolicy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "981bf4ba2f357f32002ddaa1f462def05080f9d1f1ab21d77e3685241e269e33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "981bf4ba2f357f32002ddaa1f462def05080f9d1f1ab21d77e3685241e269e33", kill_on_drop: false }`
[INFO] [stdout] 981bf4ba2f357f32002ddaa1f462def05080f9d1f1ab21d77e3685241e269e33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 6a0e919eedbb2868c1815a24fbdf9740b8a392a78a168ac3ac836dee9bffbe30
[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" "6a0e919eedbb2868c1815a24fbdf9740b8a392a78a168ac3ac836dee9bffbe30", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling futures-core v0.3.1
[INFO] [stderr]    Compiling futures-sink v0.3.1
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/gatekeeper.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 | /             (
[INFO] [stdout] 105 | |                 async move {
[INFO] [stdout] 106 | |                     ticket.await?;
[INFO] [stdout] 107 | |                     Ok(fut.await)
[INFO] [stdout] 108 | |                 }
[INFO] [stdout] 109 | |                 //            Token {},
[INFO] [stdout] 110 | |             ),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 |             async move {
[INFO] [stdout] 105 |                     ticket.await?;
[INFO] [stdout] 106 |                     Ok(fut.await)
[INFO] [stdout] 107 |                 }
[INFO] [stdout] 108 |                 //            Token {},,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `policy`
[INFO] [stdout]   --> src/gatekeeper.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     policy: TokenPolicy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling futures-channel v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]    Compiling futures-util v0.3.1
[INFO] [stderr]    Compiling futures-executor v0.3.1
[INFO] [stderr]    Compiling futures v0.3.1
[INFO] [stderr]    Compiling futures-rate v0.1.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `GateKeeperConfig`, `TokenPolicy`
[INFO] [stdout]  --> examples/cooperative_mode.rs:5:32
[INFO] [stdout]   |
[INFO] [stdout] 5 | use futures_rate::{GateKeeper, GateKeeperConfig, TokenPolicy};
[INFO] [stdout]   |                                ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/gatekeeper.rs:104:13
[INFO] [stdout]     |
[INFO] [stdout] 104 | /             (
[INFO] [stdout] 105 | |                 async move {
[INFO] [stdout] 106 | |                     ticket.await?;
[INFO] [stdout] 107 | |                     Ok(fut.await)
[INFO] [stdout] 108 | |                 }
[INFO] [stdout] 109 | |                 //            Token {},
[INFO] [stdout] 110 | |             ),
[INFO] [stdout]     | |_____________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 104 |             async move {
[INFO] [stdout] 105 |                     ticket.await?;
[INFO] [stdout] 106 |                     Ok(fut.await)
[INFO] [stdout] 107 |                 }
[INFO] [stdout] 108 |                 //            Token {},,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/cooperative_mode.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let mut keeper = GateKeeper::new(1);
[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: panic message is not a string literal
[INFO] [stdout]   --> examples/cooperative_mode.rs:54:13
[INFO] [stdout]    |
[INFO] [stdout] 54 | /             format!(
[INFO] [stdout] 55 | |                 "{}'s exclusive access is violated ... which should not happen to this test ...",
[INFO] [stdout] 56 | |                 id
[INFO] [stdout] 57 | |             )
[INFO] [stdout]    | |_____________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 54 |             
[INFO] [stdout] 55 |                 "{}'s exclusive access is violated ... which should not happen to this test ...",
[INFO] [stdout] 56 |                 id
[INFO] [stdout] 57 |             
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `policy`
[INFO] [stdout]   --> src/gatekeeper.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     policy: TokenPolicy,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 25.85s
[INFO] running `Command { std: "docker" "inspect" "6a0e919eedbb2868c1815a24fbdf9740b8a392a78a168ac3ac836dee9bffbe30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a0e919eedbb2868c1815a24fbdf9740b8a392a78a168ac3ac836dee9bffbe30", kill_on_drop: false }`
[INFO] [stdout] 6a0e919eedbb2868c1815a24fbdf9740b8a392a78a168ac3ac836dee9bffbe30
