[INFO] cloning repository https://github.com/Freaky/annoirc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Freaky/annoirc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreaky%2Fannoirc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreaky%2Fannoirc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fd1164911d3028e5f574cfc0fec083f2bc7c74ce
[INFO] checking Freaky/annoirc against try#23ffd2897cbb44320ca18dfe4d05dbacb37d55e0 for pr-115950
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFreaky%2Fannoirc" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Freaky/annoirc on toolchain 23ffd2897cbb44320ca18dfe4d05dbacb37d55e0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Freaky/annoirc
[INFO] finished tweaking git repo https://github.com/Freaky/annoirc
[INFO] tweaked toml for git repo https://github.com/Freaky/annoirc written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Freaky/annoirc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 339cb9f690c869877b6d18c812a6a5e9ef5414944147b76b35a73362cf966954
[INFO] running `Command { std: "docker" "start" "-a" "339cb9f690c869877b6d18c812a6a5e9ef5414944147b76b35a73362cf966954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "339cb9f690c869877b6d18c812a6a5e9ef5414944147b76b35a73362cf966954", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "339cb9f690c869877b6d18c812a6a5e9ef5414944147b76b35a73362cf966954", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:4f8da3c744d2da974e54ce020a79f4ad54313e914ebeaab8fc086f07e8d8b066" "/opt/rustwide/cargo-home/bin/cargo" "+23ffd2897cbb44320ca18dfe4d05dbacb37d55e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 218b16e315049f7555bbba8f94c30cbe03d370c93ed43d86fafc0b151892022e
[INFO] running `Command { std: "docker" "start" "-a" "218b16e315049f7555bbba8f94c30cbe03d370c93ed43d86fafc0b151892022e", kill_on_drop: false }`
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[INFO] [stdout] error[E0502]: cannot borrow `self.config` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/irc.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 newconf = self.config.next(), if !shutdown => {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 180 |                 Some(fut) = pending.next() => { let _ = fut; /* probably cancelled by a concurrency change */ },
[INFO] [stdout]     |                             ------- immutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 272 |                                     self.command(cmd, target.clone(), client.sender()).map(|fut| pending.push(fut));
[INFO] [stdout]     |                                     ---- immutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.config` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/irc.rs:160:27
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 newconf = self.config.next(), if !shutdown => {
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 180 |                 Some(fut) = pending.next() => { let _ = fut; /* probably cancelled by a concurrency change */ },
[INFO] [stdout]     |                             ------- immutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 272 |                                     self.command(cmd, target.clone(), client.sender()).map(|fut| pending.push(fut));
[INFO] [stdout]     |                                     ---- immutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.throttle` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/irc.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 Some(fut) = pending.next() => { let _ = fut; /* probably cancelled by a concurrency change */ },
[INFO] [stdout]     |                             ------- immutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 194 |                             self.throttle.success();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 272 |                                     self.command(cmd, target.clone(), client.sender()).map(|fut| pending.push(fut));
[INFO] [stdout]     |                                     ---- immutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0502]: cannot borrow `self.throttle` as mutable because it is also borrowed as immutable
[INFO] [stdout]    --> src/irc.rs:194:29
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 Some(fut) = pending.next() => { let _ = fut; /* probably cancelled by a concurrency change */ },
[INFO] [stdout]     |                             ------- immutable borrow later used here
[INFO] [stdout] ...
[INFO] [stdout] 194 |                             self.throttle.success();
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^^^^^^^ mutable borrow occurs here
[INFO] [stdout] ...
[INFO] [stdout] 272 |                                     self.command(cmd, target.clone(), client.sender()).map(|fut| pending.push(fut));
[INFO] [stdout]     |                                     ---- immutable borrow occurs here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0502`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `annoirc` (bin "annoirc" test) due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `annoirc` (bin "annoirc") due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "218b16e315049f7555bbba8f94c30cbe03d370c93ed43d86fafc0b151892022e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "218b16e315049f7555bbba8f94c30cbe03d370c93ed43d86fafc0b151892022e", kill_on_drop: false }`
[INFO] [stdout] 218b16e315049f7555bbba8f94c30cbe03d370c93ed43d86fafc0b151892022e