[INFO] cloning repository https://github.com/Ell/neatbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ell/neatbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEll%2Fneatbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEll%2Fneatbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02577f5d2eeb973ffa1d7815845be052b3142cd9
[INFO] checking Ell/neatbot against try#81275a1445c7502a974118e0c69b795ab60be991 for pr-80243
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEll%2Fneatbot" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Ell/neatbot on toolchain 81275a1445c7502a974118e0c69b795ab60be991
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Ell/neatbot
[INFO] finished tweaking git repo https://github.com/Ell/neatbot
[INFO] tweaked toml for git repo https://github.com/Ell/neatbot written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Ell/neatbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded irc-rust v0.3.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6a5bcd30f20f7a0aaa8dab2e561e2fce065f8ba1256d67afdde402afbf7e273
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b6a5bcd30f20f7a0aaa8dab2e561e2fce065f8ba1256d67afdde402afbf7e273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6a5bcd30f20f7a0aaa8dab2e561e2fce065f8ba1256d67afdde402afbf7e273", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6a5bcd30f20f7a0aaa8dab2e561e2fce065f8ba1256d67afdde402afbf7e273", kill_on_drop: false }`
[INFO] [stdout] b6a5bcd30f20f7a0aaa8dab2e561e2fce065f8ba1256d67afdde402afbf7e273
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+81275a1445c7502a974118e0c69b795ab60be991" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21a844ef09c2511d77f8c428d4658b42677de65ef65d542ac4539cbd733773f1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "21a844ef09c2511d77f8c428d4658b42677de65ef65d542ac4539cbd733773f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling anyhow v1.0.35
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]     Checking irc-rust v0.3.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling tokio v0.3.6
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking parking_lot_core v0.8.1
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-sys-next v0.1.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-next v1.0.2
[INFO] [stderr]     Checking platform-dirs v0.3.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio-util v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking neatbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/connection.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let Some(connection) = self.connections.get_mut(name) {}
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_connection`
[INFO] [stdout]   --> src/connection.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn remove_connection(&mut self, name: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_message`
[INFO] [stdout]   --> src/connection.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub async fn send_message(&mut self, name: &str, message: Message) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disconnect`
[INFO] [stdout]    --> src/connection.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub async fn disconnect(&mut self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_message`
[INFO] [stdout]    --> src/connection.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub async fn send_message(&self, message: Message) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `connection`
[INFO] [stdout]   --> src/connection.rs:47:21
[INFO] [stdout]    |
[INFO] [stdout] 47 |         if let Some(connection) = self.connections.get_mut(name) {}
[INFO] [stdout]    |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_connection`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `remove_connection`
[INFO] [stdout]   --> src/connection.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 |     pub fn remove_connection(&mut self, name: &str) -> Result<()> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_message`
[INFO] [stdout]   --> src/connection.rs:60:18
[INFO] [stdout]    |
[INFO] [stdout] 60 |     pub async fn send_message(&mut self, name: &str, message: Message) -> Result<()> {
[INFO] [stdout]    |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `disconnect`
[INFO] [stdout]    --> src/connection.rs:148:18
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub async fn disconnect(&mut self) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `send_message`
[INFO] [stdout]    --> src/connection.rs:152:18
[INFO] [stdout]     |
[INFO] [stdout] 152 |     pub async fn send_message(&self, message: Message) -> Result<()> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "21a844ef09c2511d77f8c428d4658b42677de65ef65d542ac4539cbd733773f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21a844ef09c2511d77f8c428d4658b42677de65ef65d542ac4539cbd733773f1", kill_on_drop: false }`
[INFO] [stdout] 21a844ef09c2511d77f8c428d4658b42677de65ef65d542ac4539cbd733773f1