[INFO] cloning repository https://github.com/stanzhengdev/recurse-cli-old
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stanzhengdev/recurse-cli-old" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanzhengdev%2Frecurse-cli-old", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanzhengdev%2Frecurse-cli-old'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b577a611d9ce46821651c2d5374af3ba4ea1908c
[INFO] checking stanzhengdev/recurse-cli-old against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanzhengdev%2Frecurse-cli-old" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stanzhengdev/recurse-cli-old on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stanzhengdev/recurse-cli-old
[INFO] finished tweaking git repo https://github.com/stanzhengdev/recurse-cli-old
[INFO] tweaked toml for git repo https://github.com/stanzhengdev/recurse-cli-old written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/stanzhengdev/recurse-cli-old already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+195ad4830e11a544391abe296b146450dea8411b" "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] 59e1a0e903ba98676388e98b7cd96605f9587e1e030a0af122932f42070c93f1
[INFO] running `Command { std: "docker" "start" "-a" "59e1a0e903ba98676388e98b7cd96605f9587e1e030a0af122932f42070c93f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e1a0e903ba98676388e98b7cd96605f9587e1e030a0af122932f42070c93f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e1a0e903ba98676388e98b7cd96605f9587e1e030a0af122932f42070c93f1", kill_on_drop: false }`
[INFO] [stdout] 59e1a0e903ba98676388e98b7cd96605f9587e1e030a0af122932f42070c93f1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+195ad4830e11a544391abe296b146450dea8411b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 885ee93c9f30290ab2406220ce266e863779d7fcc10acd6c8e4bb3619fc363cc
[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" "885ee93c9f30290ab2406220ce266e863779d7fcc10acd6c8e4bb3619fc363cc", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-segmentation v0.1.2
[INFO] [stderr]     Checking unicode-width v0.1.3
[INFO] [stderr]     Checking strsim v0.5.1
[INFO] [stderr]     Checking term_size v0.2.1
[INFO] [stderr]     Checking clap v2.18.0
[INFO] [stderr]     Checking recurse-cli v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let matches = App::new("Recurse")
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `matches`
[INFO] [stdout]  --> src/main.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |     let matches = App::new("Recurse")
[INFO] [stdout]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[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 2.66s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "885ee93c9f30290ab2406220ce266e863779d7fcc10acd6c8e4bb3619fc363cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "885ee93c9f30290ab2406220ce266e863779d7fcc10acd6c8e4bb3619fc363cc", kill_on_drop: false }`
[INFO] [stdout] 885ee93c9f30290ab2406220ce266e863779d7fcc10acd6c8e4bb3619fc363cc