[INFO] cloning repository https://github.com/jtthill/rocketbot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jtthill/rocketbot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtthill%2Frocketbot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtthill%2Frocketbot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f419568deae7af4d6b92a85af24c3e50f370561
[INFO] checking jtthill/rocketbot against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjtthill%2Frocketbot" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jtthill/rocketbot on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jtthill/rocketbot
[INFO] finished tweaking git repo https://github.com/jtthill/rocketbot
[INFO] tweaked toml for git repo https://github.com/jtthill/rocketbot written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jtthill/rocketbot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", 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] cdb586d6b67f9d2c876c128858c85560c0877f5b33533539b86ed3d8eefaa75e
[INFO] running `Command { std: "docker" "start" "-a" "cdb586d6b67f9d2c876c128858c85560c0877f5b33533539b86ed3d8eefaa75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdb586d6b67f9d2c876c128858c85560c0877f5b33533539b86ed3d8eefaa75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb586d6b67f9d2c876c128858c85560c0877f5b33533539b86ed3d8eefaa75e", kill_on_drop: false }`
[INFO] [stdout] cdb586d6b67f9d2c876c128858c85560c0877f5b33533539b86ed3d8eefaa75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2602cbdc41a753f1292c64e597dadd684f9d7b600679b71d057103029439c824
[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" "2602cbdc41a753f1292c64e597dadd684f9d7b600679b71d057103029439c824", kill_on_drop: false }`
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking libc v0.2.18
[INFO] [stderr]     Checking log v0.3.6
[INFO] [stderr]     Checking rustc-serialize v0.3.22
[INFO] [stderr]     Checking fern v0.3.5
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking time v0.1.35
[INFO] [stderr]     Checking irc v0.11.6
[INFO] [stderr]     Checking rocketbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> src/logging.rs:20:61
[INFO] [stdout]    |
[INFO] [stdout] 20 |         format: Box::new(|msg: &str, level: &log::LogLevel, location: &log::LogLocation| {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `location`
[INFO] [stdout]   --> src/logging.rs:20:61
[INFO] [stdout]    |
[INFO] [stdout] 20 |         format: Box::new(|msg: &str, level: &log::LogLevel, location: &log::LogLocation| {
[INFO] [stdout]    |                                                             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_location`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.09s
[INFO] running `Command { std: "docker" "inspect" "2602cbdc41a753f1292c64e597dadd684f9d7b600679b71d057103029439c824", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2602cbdc41a753f1292c64e597dadd684f9d7b600679b71d057103029439c824", kill_on_drop: false }`
[INFO] [stdout] 2602cbdc41a753f1292c64e597dadd684f9d7b600679b71d057103029439c824