[INFO] cloning repository https://github.com/jb-san/rgrok
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jb-san/rgrok" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjb-san%2Frgrok", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjb-san%2Frgrok'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40e07699cd983e1b93c74bede0521a5dfa892f8b
[INFO] testing jb-san/rgrok against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjb-san%2Frgrok" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jb-san/rgrok on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jb-san/rgrok
[INFO] finished tweaking git repo https://github.com/jb-san/rgrok
[INFO] tweaked toml for git repo https://github.com/jb-san/rgrok written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/jb-san/rgrok already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d47bbeea5ebbc2430f1a2c2cd9a495d69e58999725a090eace5d00a68b9379f0
[INFO] running `Command { std: "docker" "start" "-a" "d47bbeea5ebbc2430f1a2c2cd9a495d69e58999725a090eace5d00a68b9379f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d47bbeea5ebbc2430f1a2c2cd9a495d69e58999725a090eace5d00a68b9379f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d47bbeea5ebbc2430f1a2c2cd9a495d69e58999725a090eace5d00a68b9379f0", kill_on_drop: false }`
[INFO] [stdout] d47bbeea5ebbc2430f1a2c2cd9a495d69e58999725a090eace5d00a68b9379f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97cb1694ef782c656c578e794795ecd866fdb8be1d563de712c4e44921369c0f
[INFO] running `Command { std: "docker" "start" "-a" "97cb1694ef782c656c578e794795ecd866fdb8be1d563de712c4e44921369c0f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling unicode-width v0.1.6
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling rgrok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `rgrokCLI` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod rgrokCLI;
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case: `rgrok_cli`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` 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 12.37s
[INFO] running `Command { std: "docker" "inspect" "97cb1694ef782c656c578e794795ecd866fdb8be1d563de712c4e44921369c0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97cb1694ef782c656c578e794795ecd866fdb8be1d563de712c4e44921369c0f", kill_on_drop: false }`
[INFO] [stdout] 97cb1694ef782c656c578e794795ecd866fdb8be1d563de712c4e44921369c0f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7981b9cbf1369fdea0bfb47666083fbb998b1cfcd298ce635e7f85a3b9f9726
[INFO] running `Command { std: "docker" "start" "-a" "f7981b9cbf1369fdea0bfb47666083fbb998b1cfcd298ce635e7f85a3b9f9726", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rgrok v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `SubCommand`
[INFO] [stdout]  --> src/main.rs:4:22
[INFO] [stdout]   |
[INFO] [stdout] 4 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |                      ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `rgrokCLI` should have a snake case name
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod rgrokCLI;
[INFO] [stdout]   |     ^^^^^^^^ help: convert the identifier to snake case: `rgrok_cli`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.99s
[INFO] running `Command { std: "docker" "inspect" "f7981b9cbf1369fdea0bfb47666083fbb998b1cfcd298ce635e7f85a3b9f9726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7981b9cbf1369fdea0bfb47666083fbb998b1cfcd298ce635e7f85a3b9f9726", kill_on_drop: false }`
[INFO] [stdout] f7981b9cbf1369fdea0bfb47666083fbb998b1cfcd298ce635e7f85a3b9f9726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7c4cbd64a6610f1492edbe2faed27dae1d2f5e896298922675f8c2e9bb2cc967
[INFO] running `Command { std: "docker" "start" "-a" "7c4cbd64a6610f1492edbe2faed27dae1d2f5e896298922675f8c2e9bb2cc967", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]  --> src/main.rs:4:22
[INFO] [stderr]   |
[INFO] [stderr] 4 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]   |                      ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `rgrokCLI` should have a snake case name
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod rgrokCLI;
[INFO] [stderr]   |     ^^^^^^^^ help: convert the identifier to snake case: `rgrok_cli`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rgrok` (bin "rgrok" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rgrok-7e3c5cbc129c2792)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7c4cbd64a6610f1492edbe2faed27dae1d2f5e896298922675f8c2e9bb2cc967", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c4cbd64a6610f1492edbe2faed27dae1d2f5e896298922675f8c2e9bb2cc967", kill_on_drop: false }`
[INFO] [stdout] 7c4cbd64a6610f1492edbe2faed27dae1d2f5e896298922675f8c2e9bb2cc967