[INFO] cloning repository https://github.com/andres-pipicello/mIRCo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andres-pipicello/mIRCo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandres-pipicello%2FmIRCo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandres-pipicello%2FmIRCo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0c0a126fd90987aacab6a08e5fcd7b948f0f8d1b
[INFO] checking andres-pipicello/mIRCo against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandres-pipicello%2FmIRCo" "/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/andres-pipicello/mIRCo on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andres-pipicello/mIRCo
[INFO] finished tweaking git repo https://github.com/andres-pipicello/mIRCo
[INFO] tweaked toml for git repo https://github.com/andres-pipicello/mIRCo written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/andres-pipicello/mIRCo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--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-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d98c6b3c961242f1eb2f9c51067f85e6a515749bf31aebace8d4a29c30c7373
[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" "8d98c6b3c961242f1eb2f9c51067f85e6a515749bf31aebace8d4a29c30c7373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d98c6b3c961242f1eb2f9c51067f85e6a515749bf31aebace8d4a29c30c7373", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d98c6b3c961242f1eb2f9c51067f85e6a515749bf31aebace8d4a29c30c7373", kill_on_drop: false }`
[INFO] [stdout] 8d98c6b3c961242f1eb2f9c51067f85e6a515749bf31aebace8d4a29c30c7373
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56f95f17b812cf1c7f1e5f2b33102865060aa1dd9f04b7b437ac840e6d75f812
[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" "56f95f17b812cf1c7f1e5f2b33102865060aa1dd9f04b7b437ac840e6d75f812", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking ucd-util v0.1.5
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]     Checking ansi-escapes v0.1.0
[INFO] [stderr]     Checking whoami v0.5.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking crossterm_utils v0.2.4
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking socket2 v0.3.10
[INFO] [stderr]     Checking terminal_size v0.1.8
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking regex-syntax v0.6.10
[INFO] [stderr]     Checking crossterm_cursor v0.2.5
[INFO] [stderr]     Checking crossterm_screen v0.2.4
[INFO] [stderr]     Checking crossterm_style v0.3.3
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking termion v1.5.3
[INFO] [stderr]     Checking crossterm_input v0.3.8
[INFO] [stderr]     Checking crossterm_terminal v0.2.5
[INFO] [stderr]     Checking dns-lookup v1.0.1
[INFO] [stderr]     Checking crossterm v0.9.6
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking regex v1.2.0
[INFO] [stderr]     Checking rustyline v5.0.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]     Checking mirco v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::irc::{Message, Command};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Command`
[INFO] [stdout]   --> src/main.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 | use crate::irc::{Message, Command};
[INFO] [stdout]    |                           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...                   _ => {}
[INFO] [stdout]    |                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/main.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...                   _ => {}
[INFO] [stdout]    |                       ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   other => {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/main.rs:85:29
[INFO] [stdout]    |
[INFO] [stdout] 85 | ...                   other => {
[INFO] [stdout]    |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.36s
[INFO] running `Command { std: "docker" "inspect" "56f95f17b812cf1c7f1e5f2b33102865060aa1dd9f04b7b437ac840e6d75f812", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56f95f17b812cf1c7f1e5f2b33102865060aa1dd9f04b7b437ac840e6d75f812", kill_on_drop: false }`
[INFO] [stdout] 56f95f17b812cf1c7f1e5f2b33102865060aa1dd9f04b7b437ac840e6d75f812