[INFO] fetching crate async-oneshot 0.4.2...
[INFO] checking async-oneshot-0.4.2 against master#ffa2e7ae8fbf9badc035740db949b9dae271c29f for pr-78338
[INFO] extracting crate async-oneshot 0.4.2 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate async-oneshot 0.4.2 on toolchain ffa2e7ae8fbf9badc035740db949b9dae271c29f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-oneshot 0.4.2
[INFO] finished tweaking crates.io crate async-oneshot 0.4.2
[INFO] tweaked toml for crates.io crate async-oneshot 0.4.2 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "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] aa37eaf1d89bd3dda869e63bdf72e437a4b09183894e46106e36264f7ec510f0
[INFO] running `Command { std: "docker" "start" "-a" "aa37eaf1d89bd3dda869e63bdf72e437a4b09183894e46106e36264f7ec510f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa37eaf1d89bd3dda869e63bdf72e437a4b09183894e46106e36264f7ec510f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa37eaf1d89bd3dda869e63bdf72e437a4b09183894e46106e36264f7ec510f0", kill_on_drop: false }`
[INFO] [stdout] aa37eaf1d89bd3dda869e63bdf72e437a4b09183894e46106e36264f7ec510f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+ffa2e7ae8fbf9badc035740db949b9dae271c29f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aa13899c8515cd25d7cfb625ba43d88df8818cd751ca2f1aaaf3e597e1e0654
[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" "8aa13899c8515cd25d7cfb625ba43d88df8818cd751ca2f1aaaf3e597e1e0654", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-micro v0.3.1
[INFO] [stderr]     Checking futures-core v0.3.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking futures-lite v1.11.2
[INFO] [stderr]     Checking async-oneshot v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]   --> tests/test.rs:25:10
[INFO] [stdout]    |
[INFO] [stdout] 25 |     let (s, mut r) = oneshot::<i32>();
[INFO] [stdout]    |          ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.19s
[INFO] running `Command { std: "docker" "inspect" "8aa13899c8515cd25d7cfb625ba43d88df8818cd751ca2f1aaaf3e597e1e0654", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aa13899c8515cd25d7cfb625ba43d88df8818cd751ca2f1aaaf3e597e1e0654", kill_on_drop: false }`
[INFO] [stdout] 8aa13899c8515cd25d7cfb625ba43d88df8818cd751ca2f1aaaf3e597e1e0654