[INFO] fetching crate subscriber-rs 0.0.1...
[INFO] checking subscriber-rs-0.0.1 against master#406e03fd02faf5cc8409a8b6b04c26990d6227e6 for pr-101437-1
[INFO] extracting crate subscriber-rs 0.0.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate subscriber-rs 0.0.1 on toolchain 406e03fd02faf5cc8409a8b6b04c26990d6227e6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subscriber-rs 0.0.1
[INFO] finished tweaking crates.io crate subscriber-rs 0.0.1
[INFO] tweaked toml for crates.io crate subscriber-rs 0.0.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate subscriber-rs 0.0.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded parking_lot_core v0.9.2
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.34.0
[INFO] [stderr]   Downloaded futures-io v0.3.21
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[INFO] [stderr]   Downloaded futures-macro v0.3.21
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[INFO] [stderr]   Downloaded futures v0.3.21
[INFO] [stderr]   Downloaded futures-executor v0.3.21
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[INFO] [stderr]   Downloaded bytes v1.1.0
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded windows_i686_msvc v0.34.0
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[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.34.0
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[INFO] [stderr]   Downloaded libc v0.2.122
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded windows-sys v0.34.0
[INFO] [stderr]   Downloaded pin-project-lite v0.2.8
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[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded parking_lot v0.12.0
[INFO] [stderr]   Downloaded futures-sink v0.3.21
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[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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55d4bcd2414c8961bc7dcdee0062a14c082dda42a805b149e033e2f1e8e2da3f
[INFO] running `Command { std: "docker" "start" "-a" "55d4bcd2414c8961bc7dcdee0062a14c082dda42a805b149e033e2f1e8e2da3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55d4bcd2414c8961bc7dcdee0062a14c082dda42a805b149e033e2f1e8e2da3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55d4bcd2414c8961bc7dcdee0062a14c082dda42a805b149e033e2f1e8e2da3f", kill_on_drop: false }`
[INFO] [stdout] 55d4bcd2414c8961bc7dcdee0062a14c082dda42a805b149e033e2f1e8e2da3f
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+406e03fd02faf5cc8409a8b6b04c26990d6227e6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73532d92764724e37343cc058a10e8e20898ed1d88a5f7e6ebafe68dfb55be07
[INFO] running `Command { std: "docker" "start" "-a" "73532d92764724e37343cc058a10e8e20898ed1d88a5f7e6ebafe68dfb55be07", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking futures-sink v0.3.21
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling parking_lot_core v0.9.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling lock_api v0.4.7
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking futures-executor v0.3.21
[INFO] [stderr]     Checking futures v0.3.21
[INFO] [stderr]     Checking subscriber-rs v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/simple.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `SubscribeHandle`
[INFO] [stdout]  --> examples/simple.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     SubscribeHandle, Subscriber, SubscriberCallback, SubscriberError, SubscriberEvent,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/simple.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let mut server: SubscriberServer<SEventType, SEvent, SubscriberConfig, Sub<SEvent>> =
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.20s
[INFO] running `Command { std: "docker" "inspect" "73532d92764724e37343cc058a10e8e20898ed1d88a5f7e6ebafe68dfb55be07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73532d92764724e37343cc058a10e8e20898ed1d88a5f7e6ebafe68dfb55be07", kill_on_drop: false }`
[INFO] [stdout] 73532d92764724e37343cc058a10e8e20898ed1d88a5f7e6ebafe68dfb55be07