[INFO] cloning repository https://github.com/ohmrun/stx_run
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ohmrun/stx_run" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohmrun%2Fstx_run", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohmrun%2Fstx_run'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 662de1f864eadf72fb0683d16936ddf6ee69d14d
[INFO] checking ohmrun/stx_run against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fohmrun%2Fstx_run" "/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/ohmrun/stx_run on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ohmrun/stx_run
[INFO] finished tweaking git repo https://github.com/ohmrun/stx_run
[INFO] tweaked toml for git repo https://github.com/ohmrun/stx_run written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ohmrun/stx_run already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 45cc5b135d59426ee55f69917238a34f90b364e7e09d825095d0741228e96f98
[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" "45cc5b135d59426ee55f69917238a34f90b364e7e09d825095d0741228e96f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "45cc5b135d59426ee55f69917238a34f90b364e7e09d825095d0741228e96f98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45cc5b135d59426ee55f69917238a34f90b364e7e09d825095d0741228e96f98", kill_on_drop: false }`
[INFO] [stdout] 45cc5b135d59426ee55f69917238a34f90b364e7e09d825095d0741228e96f98
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 52eea74152dbd9338fffb11f4d1e45180e5835ce4506dbae10d4853d2a2724c7
[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" "52eea74152dbd9338fffb11f4d1e45180e5835ce4506dbae10d4853d2a2724c7", kill_on_drop: false }`
[INFO] [stderr]     Checking stx_run v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias is never used: `Handler`
[INFO] [stdout]  --> src/main/rust/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Handler<O> = fn(o:O);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Reactor`
[INFO] [stdout]   --> src/main/rust/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Reactor<O> = dyn Recaller<(),O,()>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Handler`
[INFO] [stdout]  --> src/main/rust/main.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | type Handler<O> = fn(o:O);
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias is never used: `Reactor`
[INFO] [stdout]   --> src/main/rust/main.rs:10:1
[INFO] [stdout]    |
[INFO] [stdout] 10 | type Reactor<O> = dyn Recaller<(),O,()>;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "52eea74152dbd9338fffb11f4d1e45180e5835ce4506dbae10d4853d2a2724c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52eea74152dbd9338fffb11f4d1e45180e5835ce4506dbae10d4853d2a2724c7", kill_on_drop: false }`
[INFO] [stdout] 52eea74152dbd9338fffb11f4d1e45180e5835ce4506dbae10d4853d2a2724c7