[INFO] fetching crate ratsio 0.4.0-alpha.1...
[INFO] checking ratsio-0.4.0-alpha.1 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate ratsio 0.4.0-alpha.1 into /workspace/builds/worker-72/source
[INFO] validating manifest of crates.io crate ratsio 0.4.0-alpha.1 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ratsio 0.4.0-alpha.1
[INFO] finished tweaking crates.io crate ratsio 0.4.0-alpha.1
[INFO] tweaked toml for crates.io crate ratsio 0.4.0-alpha.1 written to /workspace/builds/worker-72/source/Cargo.toml
[INFO] crate crates.io crate ratsio 0.4.0-alpha.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6de3abb5851419838bd50fe37954f3d909b8ee414175a33232c59670d89348b
[INFO] running `Command { std: "docker" "start" "-a" "e6de3abb5851419838bd50fe37954f3d909b8ee414175a33232c59670d89348b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6de3abb5851419838bd50fe37954f3d909b8ee414175a33232c59670d89348b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6de3abb5851419838bd50fe37954f3d909b8ee414175a33232c59670d89348b", kill_on_drop: false }`
[INFO] [stdout] e6de3abb5851419838bd50fe37954f3d909b8ee414175a33232c59670d89348b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-72/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56aa1df4b0e65d14f1d58098f2eddd297b77c9f7f65bf24923e608260c10f292
[INFO] running `Command { std: "docker" "start" "-a" "56aa1df4b0e65d14f1d58098f2eddd297b77c9f7f65bf24923e608260c10f292", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]     Checking cfg-if v1.0.0
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[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
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[INFO] [stderr]    Compiling hashbrown v0.9.1
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[INFO] [stderr]    Compiling ident_case v1.0.1
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[INFO] [stderr]    Compiling remove_dir_all v0.5.3
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[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]     Checking futures-executor v0.3.14
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[INFO] [stderr]     Checking tokio-native-tls v0.3.0
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[INFO] [stderr]    Compiling ratsio v0.4.0-alpha.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ratsio::protocol`
[INFO] [stdout]  --> tests/nats_client_test.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ratsio::protocol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratsio::nuid`
[INFO] [stdout]  --> tests/nats_client_test.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use ratsio::nuid;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ratsio::nats_client::UriVec`
[INFO] [stdout]  --> examples/nats_publish.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ratsio::nats_client::UriVec;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/nats_sub_tls.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let mut runtime = tokio::runtime::Runtime::new().unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> examples/nats_subscribe.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut runtime = tokio::runtime::Runtime::new().unwrap();
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/nats_sub_token.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut runtime = tokio::runtime::Runtime::new().unwrap();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> examples/stan_subscribe.rs:46:13
[INFO] [stdout]    |
[INFO] [stdout] 46 |         let mut runtime = tokio::runtime::Runtime::new().unwrap();
[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: variable does not need to be mutable
[INFO] [stdout]   --> examples/nats_sub_user.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 |         let mut runtime = tokio::runtime::Runtime::new().unwrap();
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.32s
[INFO] running `Command { std: "docker" "inspect" "56aa1df4b0e65d14f1d58098f2eddd297b77c9f7f65bf24923e608260c10f292", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56aa1df4b0e65d14f1d58098f2eddd297b77c9f7f65bf24923e608260c10f292", kill_on_drop: false }`
[INFO] [stdout] 56aa1df4b0e65d14f1d58098f2eddd297b77c9f7f65bf24923e608260c10f292