[INFO] cloning repository https://github.com/stpettersens/rakeinrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stpettersens/rakeinrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstpettersens%2Frakeinrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstpettersens%2Frakeinrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ff1a242be6bf6d91c50e212efb8ce15db059aae
[INFO] testing stpettersens/rakeinrust against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstpettersens%2Frakeinrust" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stpettersens/rakeinrust on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stpettersens/rakeinrust
[INFO] finished tweaking git repo https://github.com/stpettersens/rakeinrust
[INFO] tweaked toml for git repo https://github.com/stpettersens/rakeinrust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/stpettersens/rakeinrust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7a4bcc6f444997f326af868dfc05fd4318251af20a9ae8145cecc1a6a49592e
[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" "f7a4bcc6f444997f326af868dfc05fd4318251af20a9ae8145cecc1a6a49592e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7a4bcc6f444997f326af868dfc05fd4318251af20a9ae8145cecc1a6a49592e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7a4bcc6f444997f326af868dfc05fd4318251af20a9ae8145cecc1a6a49592e", kill_on_drop: false }`
[INFO] [stdout] f7a4bcc6f444997f326af868dfc05fd4318251af20a9ae8145cecc1a6a49592e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e46a4f5d51153038dc50848f2328a5c5f4e8047ef2c0c8020c2b4eeecb7292e
[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" "7e46a4f5d51153038dc50848f2328a5c5f4e8047ef2c0c8020c2b4eeecb7292e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling clioptions v0.1.0
[INFO] [stderr]    Compiling os_type v2.0.0
[INFO] [stderr]    Compiling rrake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |                     Err(e) => v.set_value(""),
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cap`
[INFO] [stdout]    --> src/main.rs:371:13
[INFO] [stdout]     |
[INFO] [stdout] 371 |         for cap in p.captures_iter(&l) {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:482:21
[INFO] [stdout]     |
[INFO] [stdout] 482 |                 let c = &task.get_params();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.66s
[INFO] running `Command { std: "docker" "inspect" "7e46a4f5d51153038dc50848f2328a5c5f4e8047ef2c0c8020c2b4eeecb7292e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e46a4f5d51153038dc50848f2328a5c5f4e8047ef2c0c8020c2b4eeecb7292e", kill_on_drop: false }`
[INFO] [stdout] 7e46a4f5d51153038dc50848f2328a5c5f4e8047ef2c0c8020c2b4eeecb7292e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ba6165837b7d9ad8f887ae4e0ca1da14d7c13cc60001396b6a8102fe89a8c18
[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" "7ba6165837b7d9ad8f887ae4e0ca1da14d7c13cc60001396b6a8102fe89a8c18", kill_on_drop: false }`
[INFO] [stderr]    Compiling rrake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `e`
[INFO] [stdout]    --> src/main.rs:208:25
[INFO] [stdout]     |
[INFO] [stdout] 208 |                     Err(e) => v.set_value(""),
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cap`
[INFO] [stdout]    --> src/main.rs:371:13
[INFO] [stdout]     |
[INFO] [stdout] 371 |         for cap in p.captures_iter(&l) {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/main.rs:482:21
[INFO] [stdout]     |
[INFO] [stdout] 482 |                 let c = &task.get_params();
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "7ba6165837b7d9ad8f887ae4e0ca1da14d7c13cc60001396b6a8102fe89a8c18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba6165837b7d9ad8f887ae4e0ca1da14d7c13cc60001396b6a8102fe89a8c18", kill_on_drop: false }`
[INFO] [stdout] 7ba6165837b7d9ad8f887ae4e0ca1da14d7c13cc60001396b6a8102fe89a8c18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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=warn" "-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" "+beta-2021-01-01" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ab6e460db3bbfd5376a2d1689e2ec4080e731dfcc1de2a4c9d22ed61213b7dca
[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" "ab6e460db3bbfd5376a2d1689e2ec4080e731dfcc1de2a4c9d22ed61213b7dca", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `e`
[INFO] [stdout] running 0 tests
[INFO] [stderr]    --> src/main.rs:208:25
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 208 |                     Err(e) => v.set_value(""),
[INFO] [stdout] 
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_e`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cap`
[INFO] [stderr]    --> src/main.rs:371:13
[INFO] [stderr]     |
[INFO] [stderr] 371 |         for cap in p.captures_iter(&l) {
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_cap`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `c`
[INFO] [stderr]    --> src/main.rs:482:21
[INFO] [stderr]     |
[INFO] [stderr] 482 |                 let c = &task.get_params();
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stderr] 
[INFO] [stderr] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rrake-713ecf4cb6f74ed3
[INFO] running `Command { std: "docker" "inspect" "ab6e460db3bbfd5376a2d1689e2ec4080e731dfcc1de2a4c9d22ed61213b7dca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab6e460db3bbfd5376a2d1689e2ec4080e731dfcc1de2a4c9d22ed61213b7dca", kill_on_drop: false }`
[INFO] [stdout] ab6e460db3bbfd5376a2d1689e2ec4080e731dfcc1de2a4c9d22ed61213b7dca