[INFO] cloning repository https://github.com/ArtifactCabinet/rust-workbench
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ArtifactCabinet/rust-workbench" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtifactCabinet%2Frust-workbench", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtifactCabinet%2Frust-workbench'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6d2242b12abd6c352ef6422af37997d599afc007
[INFO] checking ArtifactCabinet/rust-workbench against try#b20a093d9fb1ffaa04ae9852cb034864a992bafd for pr-85073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtifactCabinet%2Frust-workbench" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ArtifactCabinet/rust-workbench on toolchain b20a093d9fb1ffaa04ae9852cb034864a992bafd
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ArtifactCabinet/rust-workbench
[INFO] finished tweaking git repo https://github.com/ArtifactCabinet/rust-workbench
[INFO] tweaked toml for git repo https://github.com/ArtifactCabinet/rust-workbench written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/ArtifactCabinet/rust-workbench already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 946bd25a2d3381f7ce43e57e9debd4e83c61f393ceb5cd118750a8e9cd9263b9
[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" "946bd25a2d3381f7ce43e57e9debd4e83c61f393ceb5cd118750a8e9cd9263b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "946bd25a2d3381f7ce43e57e9debd4e83c61f393ceb5cd118750a8e9cd9263b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "946bd25a2d3381f7ce43e57e9debd4e83c61f393ceb5cd118750a8e9cd9263b9", kill_on_drop: false }`
[INFO] [stdout] 946bd25a2d3381f7ce43e57e9debd4e83c61f393ceb5cd118750a8e9cd9263b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+b20a093d9fb1ffaa04ae9852cb034864a992bafd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad3f0d6fca4fead33bb0dcc937fabb182e7860d2519517496f7e50d449b14bcc
[INFO] running `Command { std: "docker" "start" "-a" "ad3f0d6fca4fead33bb0dcc937fabb182e7860d2519517496f7e50d449b14bcc", kill_on_drop: false }`
[INFO] [stderr]     Checking rust-workbench v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/p02_practice.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let names = vec![1,2,3,4,5];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `add`
[INFO] [stdout]  --> src/p02_practice.rs:1:8
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn add (a:i64,b:i64) -> i64 {
[INFO] [stdout]   |        ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `filter`
[INFO] [stdout]   --> src/p02_practice.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn filter(){
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `names`
[INFO] [stdout]   --> src/p02_practice.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let names = vec![1,2,3,4,5];
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_names`
[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: function is never used: `filter`
[INFO] [stdout]   --> src/p02_practice.rs:17:4
[INFO] [stdout]    |
[INFO] [stdout] 17 | fn filter(){
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.53s
[INFO] running `Command { std: "docker" "inspect" "ad3f0d6fca4fead33bb0dcc937fabb182e7860d2519517496f7e50d449b14bcc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad3f0d6fca4fead33bb0dcc937fabb182e7860d2519517496f7e50d449b14bcc", kill_on_drop: false }`
[INFO] [stdout] ad3f0d6fca4fead33bb0dcc937fabb182e7860d2519517496f7e50d449b14bcc