[INFO] fetching crate jotty 0.3.1...
[INFO] testing jotty-0.3.1 against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] extracting crate jotty 0.3.1 into /workspace/builds/worker-77/source
[INFO] validating manifest of crates.io crate jotty 0.3.1 on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jotty 0.3.1
[INFO] finished tweaking crates.io crate jotty 0.3.1
[INFO] tweaked toml for crates.io crate jotty 0.3.1 written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate crates.io crate jotty 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded snowflake v1.3.0
[INFO] [stderr]   Downloaded zookeeper_derive v0.4.1
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[INFO] running `Command { std: "docker" "inspect" "d96d7c9df7c4e12210f3854674f8d3a304d346a6ed99cb829701a79412034d82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d96d7c9df7c4e12210f3854674f8d3a304d346a6ed99cb829701a79412034d82", kill_on_drop: false }`
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[INFO] [stdout] 53955a32d4f448341f6c9253a26ca5ae708abe85fd32f7706dd00011bc46e139
[INFO] running `Command { std: "docker" "start" "-a" "53955a32d4f448341f6c9253a26ca5ae708abe85fd32f7706dd00011bc46e139", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.100
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
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[INFO] [stderr]    Compiling zkstate v0.1.19
[INFO] [stderr]    Compiling jotty v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.08s
[INFO] running `Command { std: "docker" "inspect" "53955a32d4f448341f6c9253a26ca5ae708abe85fd32f7706dd00011bc46e139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53955a32d4f448341f6c9253a26ca5ae708abe85fd32f7706dd00011bc46e139", kill_on_drop: false }`
[INFO] [stdout] 53955a32d4f448341f6c9253a26ca5ae708abe85fd32f7706dd00011bc46e139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e4e45d66609f7b3818d1c13d6c26e227bd71bae545b49282f93a8ea51423ea00
[INFO] running `Command { std: "docker" "start" "-a" "e4e45d66609f7b3818d1c13d6c26e227bd71bae545b49282f93a8ea51423ea00", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr]    Compiling env_logger v0.9.0
[INFO] [stderr]    Compiling jotty v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/multi_task_job.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/manager.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/manager.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> examples/manager.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jotty::HandlerResult`
[INFO] [stdout]  --> examples/manager.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use jotty::HandlerResult;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zk_server_urls`
[INFO] [stdout]   --> examples/manager.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn zk_server_urls() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/executor.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/executor.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `anyhow::Context`
[INFO] [stdout]  --> examples/executor.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use anyhow::Context;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jotty::HandlerResult`
[INFO] [stdout]   --> examples/executor.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use jotty::HandlerResult;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zk_server_urls`
[INFO] [stdout]   --> examples/executor.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn zk_server_urls() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> examples/client.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::sync::Arc`
[INFO] [stdout]  --> examples/client.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Arc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> examples/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `jotty`
[INFO] [stdout]  --> examples/client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use jotty;
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `zk_server_urls`
[INFO] [stdout]   --> examples/client.rs:16:4
[INFO] [stdout]    |
[INFO] [stdout] 16 | fn zk_server_urls() -> String {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 9.91s
[INFO] running `Command { std: "docker" "inspect" "e4e45d66609f7b3818d1c13d6c26e227bd71bae545b49282f93a8ea51423ea00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e45d66609f7b3818d1c13d6c26e227bd71bae545b49282f93a8ea51423ea00", kill_on_drop: false }`
[INFO] [stdout] e4e45d66609f7b3818d1c13d6c26e227bd71bae545b49282f93a8ea51423ea00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b18ffc143358b637198ebf038f9dcba8942bdc41e4cc82fc7994c9c536aadf5e
[INFO] running `Command { std: "docker" "start" "-a" "b18ffc143358b637198ebf038f9dcba8942bdc41e4cc82fc7994c9c536aadf5e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> examples/executor.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> examples/executor.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Context`
[INFO] [stderr]  --> examples/executor.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use anyhow::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jotty::HandlerResult`
[INFO] [stderr]   --> examples/executor.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use jotty::HandlerResult;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `zk_server_urls`
[INFO] [stderr]   --> examples/executor.rs:18:4
[INFO] [stderr]    |
[INFO] [stderr] 18 | fn zk_server_urls() -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> examples/client.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> examples/client.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> examples/client.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jotty`
[INFO] [stderr]  --> examples/client.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use jotty;
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `zk_server_urls`
[INFO] [stderr]   --> examples/client.rs:16:4
[INFO] [stderr]    |
[INFO] [stderr] 16 | fn zk_server_urls() -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> examples/multi_task_job.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::sync::Arc`
[INFO] [stderr]  --> examples/manager.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::sync::Arc;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> examples/manager.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `anyhow::Context`
[INFO] [stderr]  --> examples/manager.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use anyhow::Context;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `jotty::HandlerResult`
[INFO] [stderr]  --> examples/manager.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use jotty::HandlerResult;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `zk_server_urls`
[INFO] [stderr]   --> examples/manager.rs:17:4
[INFO] [stderr]    |
[INFO] [stderr] 17 | fn zk_server_urls() -> String {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jotty` (example "executor") generated 5 warnings
[INFO] [stderr] warning: `jotty` (example "client") generated 5 warnings
[INFO] [stderr] warning: `jotty` (example "multi_task_job") generated 1 warning
[INFO] [stderr] warning: `jotty` (example "manager") generated 5 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jotty-655d704c64055e56)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test proto::tests::test_one_occurance ... ok
[INFO] [stdout] test proto::tests::test_two ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests jotty
[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" "b18ffc143358b637198ebf038f9dcba8942bdc41e4cc82fc7994c9c536aadf5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b18ffc143358b637198ebf038f9dcba8942bdc41e4cc82fc7994c9c536aadf5e", kill_on_drop: false }`
[INFO] [stdout] b18ffc143358b637198ebf038f9dcba8942bdc41e4cc82fc7994c9c536aadf5e