[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] testing stanzhengdev/recurse-cli-old against master#99e3aef02079e9c10583638520cd0c134dc3a01d for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstanzhengdev%2Frecurse-cli-old" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stanzhengdev/recurse-cli-old on toolchain 99e3aef02079e9c10583638520cd0c134dc3a01d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "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-8/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" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e8751f298c1a7d033f6fb05d29418cc0ac505024384cdf9c266d49ba5015d9a
[INFO] running `Command { std: "docker" "start" "-a" "1e8751f298c1a7d033f6fb05d29418cc0ac505024384cdf9c266d49ba5015d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e8751f298c1a7d033f6fb05d29418cc0ac505024384cdf9c266d49ba5015d9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e8751f298c1a7d033f6fb05d29418cc0ac505024384cdf9c266d49ba5015d9a", kill_on_drop: false }`
[INFO] [stdout] 1e8751f298c1a7d033f6fb05d29418cc0ac505024384cdf9c266d49ba5015d9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2c0cbd54a7afabe0302763ce2983ca9cf2dfe4a2e71551a8f949c7ebff737bfb
[INFO] running `Command { std: "docker" "start" "-a" "2c0cbd54a7afabe0302763ce2983ca9cf2dfe4a2e71551a8f949c7ebff737bfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling unicode-width v0.1.3
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling strsim v0.5.1
[INFO] [stderr]    Compiling unicode-segmentation v0.1.2
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling clap v2.18.0
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.55s
[INFO] running `Command { std: "docker" "inspect" "2c0cbd54a7afabe0302763ce2983ca9cf2dfe4a2e71551a8f949c7ebff737bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c0cbd54a7afabe0302763ce2983ca9cf2dfe4a2e71551a8f949c7ebff737bfb", kill_on_drop: false }`
[INFO] [stdout] 2c0cbd54a7afabe0302763ce2983ca9cf2dfe4a2e71551a8f949c7ebff737bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6f74cf476ddc6b010b8786f1d425770a3a6d574ba336076220131ea757d069c
[INFO] running `Command { std: "docker" "start" "-a" "e6f74cf476ddc6b010b8786f1d425770a3a6d574ba336076220131ea757d069c", kill_on_drop: false }`
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "e6f74cf476ddc6b010b8786f1d425770a3a6d574ba336076220131ea757d069c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6f74cf476ddc6b010b8786f1d425770a3a6d574ba336076220131ea757d069c", kill_on_drop: false }`
[INFO] [stdout] e6f74cf476ddc6b010b8786f1d425770a3a6d574ba336076220131ea757d069c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+99e3aef02079e9c10583638520cd0c134dc3a01d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] be3c2c54f0bc52ce89eb83f19bd9433412ab1e9e56c4173121ea06b83095618d
[INFO] running `Command { std: "docker" "start" "-a" "be3c2c54f0bc52ce89eb83f19bd9433412ab1e9e56c4173121ea06b83095618d", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `matches`
[INFO] [stderr]  --> src/main.rs:9:9
[INFO] [stderr]   |
[INFO] [stderr] 9 |     let matches = App::new("Recurse")
[INFO] [stderr]   |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_matches`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/recurse_cli-fb3307d3f30e1bbb)
[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" "be3c2c54f0bc52ce89eb83f19bd9433412ab1e9e56c4173121ea06b83095618d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be3c2c54f0bc52ce89eb83f19bd9433412ab1e9e56c4173121ea06b83095618d", kill_on_drop: false }`
[INFO] [stdout] be3c2c54f0bc52ce89eb83f19bd9433412ab1e9e56c4173121ea06b83095618d