[INFO] cloning repository https://github.com/ultrasaurus/irc-tokio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ultrasaurus/irc-tokio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasaurus%2Firc-tokio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasaurus%2Firc-tokio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6fd157604121cd5627a50abc364fe3d2fe96895b
[INFO] testing ultrasaurus/irc-tokio against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasaurus%2Firc-tokio" "/workspace/builds/worker-15/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-15/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ultrasaurus/irc-tokio on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ultrasaurus/irc-tokio
[INFO] finished tweaking git repo https://github.com/ultrasaurus/irc-tokio
[INFO] tweaked toml for git repo https://github.com/ultrasaurus/irc-tokio written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate git repo https://github.com/ultrasaurus/irc-tokio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5ecb6bf0b8c6b01a7fe22a965d3f4321fca02b88b2256473300f40234e3cdbd
[INFO] running `Command { std: "docker" "start" "-a" "a5ecb6bf0b8c6b01a7fe22a965d3f4321fca02b88b2256473300f40234e3cdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5ecb6bf0b8c6b01a7fe22a965d3f4321fca02b88b2256473300f40234e3cdbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5ecb6bf0b8c6b01a7fe22a965d3f4321fca02b88b2256473300f40234e3cdbd", kill_on_drop: false }`
[INFO] [stdout] a5ecb6bf0b8c6b01a7fe22a965d3f4321fca02b88b2256473300f40234e3cdbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c10f608f270de968f0b494abfdda9d385935766b19cbd5c0fcd8b71f25e88a05
[INFO] running `Command { std: "docker" "start" "-a" "c10f608f270de968f0b494abfdda9d385935766b19cbd5c0fcd8b71f25e88a05", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling futures-io v0.3.4
[INFO] [stderr]    Compiling bytes v0.5.2
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling pin-project-lite v0.1.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling futures-executor v0.3.4
[INFO] [stderr]    Compiling futures v0.3.4
[INFO] [stderr]    Compiling irc-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.71s
[INFO] running `Command { std: "docker" "inspect" "c10f608f270de968f0b494abfdda9d385935766b19cbd5c0fcd8b71f25e88a05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c10f608f270de968f0b494abfdda9d385935766b19cbd5c0fcd8b71f25e88a05", kill_on_drop: false }`
[INFO] [stdout] c10f608f270de968f0b494abfdda9d385935766b19cbd5c0fcd8b71f25e88a05
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9cb07e118d4a14f5f6baf63af88ad5fa1186e41a919106efbbb3cceaf8c9b58
[INFO] running `Command { std: "docker" "start" "-a" "f9cb07e118d4a14f5f6baf63af88ad5fa1186e41a919106efbbb3cceaf8c9b58", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-test v0.2.0
[INFO] [stderr]    Compiling irc-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `irc`
[INFO] [stdout]   --> examples/2b-session-struct.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |     let irc = Session::connect(addr, &irc_user, &irc_pass).await?;
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_irc`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> examples/2b-session-struct.rs:25:14
[INFO] [stdout]    |
[INFO] [stdout] 25 |       panic!(error_str)      // not sure what's a good pattern for returning an error here
[INFO] [stdout]    |              ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]    = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 25 |       panic!("{}", error_str)      // not sure what's a good pattern for returning an error here
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 25 |       std::panic::panic_any(error_str)      // not sure what's a good pattern for returning an error here
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.07s
[INFO] running `Command { std: "docker" "inspect" "f9cb07e118d4a14f5f6baf63af88ad5fa1186e41a919106efbbb3cceaf8c9b58", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9cb07e118d4a14f5f6baf63af88ad5fa1186e41a919106efbbb3cceaf8c9b58", kill_on_drop: false }`
[INFO] [stdout] f9cb07e118d4a14f5f6baf63af88ad5fa1186e41a919106efbbb3cceaf8c9b58
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b4083f4a971ad8392fec66593e92dd13ab66df03a84a9f281c4fda33609767ad
[INFO] running `Command { std: "docker" "start" "-a" "b4083f4a971ad8392fec66593e92dd13ab66df03a84a9f281c4fda33609767ad", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `irc`
[INFO] [stderr]   --> examples/2b-session-struct.rs:58:9
[INFO] [stderr]    |
[INFO] [stderr] 58 |     let irc = Session::connect(addr, &irc_user, &irc_pass).await?;
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_irc`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: panic message is not a string literal
[INFO] [stderr]   --> examples/2b-session-struct.rs:25:14
[INFO] [stderr]    |
[INFO] [stderr] 25 |       panic!(error_str)      // not sure what's a good pattern for returning an error here
[INFO] [stderr]    |              ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stderr]    = note: this is no longer accepted in Rust 2021
[INFO] [stderr] help: add a "{}" format string to Display the message
[INFO] [stderr]    |
[INFO] [stderr] 25 |       panic!("{}", error_str)      // not sure what's a good pattern for returning an error here
[INFO] [stderr]    |              ^^^^^
[INFO] [stderr] help: or use std::panic::panic_any instead
[INFO] [stderr]    |
[INFO] [stderr] 25 |       std::panic::panic_any(error_str)      // not sure what's a good pattern for returning an error here
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/irc_tokio-0c0093ab7ace133d)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test message::test::can_create_message ... ok
[INFO] [stdout] test message::test::test_missing_command ... ok
[INFO] [stdout] test message::test::test_string_too_long ... ok
[INFO] [stdout] test can_create_protocol ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/irc_tokio-11cfa1add6b7f0e7)
[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] [stderr]    Doc-tests irc-tokio
[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" "b4083f4a971ad8392fec66593e92dd13ab66df03a84a9f281c4fda33609767ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4083f4a971ad8392fec66593e92dd13ab66df03a84a9f281c4fda33609767ad", kill_on_drop: false }`
[INFO] [stdout] b4083f4a971ad8392fec66593e92dd13ab66df03a84a9f281c4fda33609767ad