[INFO] updating cached repository https://github.com/ultrasaurus/irc-tokio
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6fd157604121cd5627a50abc364fe3d2fe96895b
[INFO] testing ultrasaurus/irc-tokio against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fultrasaurus%2Firc-tokio" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ultrasaurus/irc-tokio on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/ultrasaurus/irc-tokio already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9aba304d0aa4092b603fb77d4a48942767aa9a788dc7834dbddf8b13bce4022e
[INFO] running `"docker" "start" "-a" "9aba304d0aa4092b603fb77d4a48942767aa9a788dc7834dbddf8b13bce4022e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling bytes v0.5.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling num_cpus v1.11.1
[INFO] [stderr]    Compiling signal-hook-registry v1.2.0
[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 22.70s
[INFO] running `"docker" "inspect" "9aba304d0aa4092b603fb77d4a48942767aa9a788dc7834dbddf8b13bce4022e"`
[INFO] running `"docker" "rm" "-f" "9aba304d0aa4092b603fb77d4a48942767aa9a788dc7834dbddf8b13bce4022e"`
[INFO] [stdout] 9aba304d0aa4092b603fb77d4a48942767aa9a788dc7834dbddf8b13bce4022e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fc72cf7256731fdb30d6213768e636e813a0e0873f2191023f25ba2788c4e317
[INFO] running `"docker" "start" "-a" "fc72cf7256731fdb30d6213768e636e813a0e0873f2191023f25ba2788c4e317"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling tokio-test v0.2.0
[INFO] [stderr]    Compiling irc-tokio v0.1.0 (/opt/rustwide/workdir)
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.78s
[INFO] running `"docker" "inspect" "fc72cf7256731fdb30d6213768e636e813a0e0873f2191023f25ba2788c4e317"`
[INFO] running `"docker" "rm" "-f" "fc72cf7256731fdb30d6213768e636e813a0e0873f2191023f25ba2788c4e317"`
[INFO] [stdout] fc72cf7256731fdb30d6213768e636e813a0e0873f2191023f25ba2788c4e317
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stdout] 98b0e76b504f4c24980d5a08312ae3dba5713998e07322182436619fafd378f6
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "98b0e76b504f4c24980d5a08312ae3dba5713998e07322182436619fafd378f6"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[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: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/irc_tokio-381d644c8dc75097
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test message::test::test_missing_command ... ok
[INFO] [stdout] test message::test::can_create_message ... 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
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/irc_tokio-370a75e401189fa6
[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
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "98b0e76b504f4c24980d5a08312ae3dba5713998e07322182436619fafd378f6"`
[INFO] running `"docker" "rm" "-f" "98b0e76b504f4c24980d5a08312ae3dba5713998e07322182436619fafd378f6"`
[INFO] [stdout] 98b0e76b504f4c24980d5a08312ae3dba5713998e07322182436619fafd378f6