[INFO] cloning repository https://github.com/VladasZ/tools
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/VladasZ/tools" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladasZ%2Ftools", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladasZ%2Ftools'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 141da30b98f9e6304be08cc58fafbd661bd7ffd9
[INFO] testing VladasZ/tools against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FVladasZ%2Ftools" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/VladasZ/tools on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/VladasZ/tools
[INFO] finished tweaking git repo https://github.com/VladasZ/tools
[INFO] tweaked toml for git repo https://github.com/VladasZ/tools written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/VladasZ/tools already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded path-absolutize v3.0.11
[INFO] [stderr]   Downloaded path-dedot v3.0.14
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.28.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.28.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.28.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.28.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.28.0
[INFO] [stderr]   Downloaded windows-sys v0.28.0
[INFO] [stderr]   Downloaded android-ndk-sys v0.2.0
[INFO] [stderr]   Downloaded windows v0.28.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dc6368119a2aed5891b4e89e539787bd14f191411922d0a8ce25fbface484bee
[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" "dc6368119a2aed5891b4e89e539787bd14f191411922d0a8ce25fbface484bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc6368119a2aed5891b4e89e539787bd14f191411922d0a8ce25fbface484bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6368119a2aed5891b4e89e539787bd14f191411922d0a8ce25fbface484bee", kill_on_drop: false }`
[INFO] [stdout] dc6368119a2aed5891b4e89e539787bd14f191411922d0a8ce25fbface484bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d61050e34791191711512af408f670567b37fd4f8055a2fa85b25a71cabbf74b
[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" "d61050e34791191711512af408f670567b37fd4f8055a2fa85b25a71cabbf74b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling pin-project-lite v0.2.7
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling slab v0.4.5
[INFO] [stderr]    Compiling bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling path-dedot v3.0.14
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling path-absolutize v3.0.11
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling futures-executor v0.3.18
[INFO] [stderr]    Compiling futures v0.3.18
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] running `Command { std: "docker" "inspect" "d61050e34791191711512af408f670567b37fd4f8055a2fa85b25a71cabbf74b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61050e34791191711512af408f670567b37fd4f8055a2fa85b25a71cabbf74b", kill_on_drop: false }`
[INFO] [stdout] d61050e34791191711512af408f670567b37fd4f8055a2fa85b25a71cabbf74b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--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] 4d8b89ac74f4e13c985517e4570171fafb4cbcdb32b831e9ce631cdd9c048bf0
[INFO] running `Command { std: "docker" "start" "-a" "4d8b89ac74f4e13c985517e4570171fafb4cbcdb32b831e9ce631cdd9c048bf0", kill_on_drop: false }`
[INFO] [stderr]    Compiling tools v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AtomicBool`, `future::Future`
[INFO] [stdout]  --> examples/signals.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     future::Future,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 3 |     sync::{
[INFO] [stdout] 4 |         atomic::{AtomicBool, AtomicU64, Ordering},
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `futures::future::FutureExt as _`
[INFO] [stdout]  --> examples/signals.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use futures::future::FutureExt as _;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `signal_hook::consts::SIGINT`
[INFO] [stdout]   --> examples/signals.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use signal_hook::consts::SIGINT;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `task::JoinHandle`
[INFO] [stdout]   --> examples/signals.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     task::JoinHandle,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `join`
[INFO] [stdout]   --> examples/signals.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |         let join = task::spawn(async move {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_join`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> examples/signals.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     slot().await;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "4d8b89ac74f4e13c985517e4570171fafb4cbcdb32b831e9ce631cdd9c048bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d8b89ac74f4e13c985517e4570171fafb4cbcdb32b831e9ce631cdd9c048bf0", kill_on_drop: false }`
[INFO] [stdout] 4d8b89ac74f4e13c985517e4570171fafb4cbcdb32b831e9ce631cdd9c048bf0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 1373d7d011c77d288056eb7d489d9e244130f3b9439bef7d2999718371ed4ecd
[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" "1373d7d011c77d288056eb7d489d9e244130f3b9439bef7d2999718371ed4ecd", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused imports: `AtomicBool`, `future::Future`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> examples/signals.rs:2:5
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 2 |     future::Future,
[INFO] [stdout] 
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 3 |     sync::{
[INFO] [stderr] 4 |         atomic::{AtomicBool, AtomicU64, Ordering},
[INFO] [stderr]   |                  ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `futures::future::FutureExt as _`
[INFO] [stderr]  --> examples/signals.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use futures::future::FutureExt as _;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `signal_hook::consts::SIGINT`
[INFO] [stderr]   --> examples/signals.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use signal_hook::consts::SIGINT;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `task::JoinHandle`
[INFO] [stderr]   --> examples/signals.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     task::JoinHandle,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `join`
[INFO] [stderr]   --> examples/signals.rs:28:13
[INFO] [stderr]    |
[INFO] [stderr] 28 |         let join = task::spawn(async move {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_join`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> examples/signals.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     slot().await;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `tools` (example "signals") generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tools-36b6a382b80b2504)
[INFO] [stderr]    Doc-tests tools
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1373d7d011c77d288056eb7d489d9e244130f3b9439bef7d2999718371ed4ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1373d7d011c77d288056eb7d489d9e244130f3b9439bef7d2999718371ed4ecd", kill_on_drop: false }`
[INFO] [stdout] 1373d7d011c77d288056eb7d489d9e244130f3b9439bef7d2999718371ed4ecd