[INFO] cloning repository https://github.com/Khigashiguchi/rust_cli_docopt
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Khigashiguchi/rust_cli_docopt" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKhigashiguchi%2Frust_cli_docopt", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKhigashiguchi%2Frust_cli_docopt'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 391ce74adadd8d5a519a743968af9aefac489577
[INFO] checking Khigashiguchi/rust_cli_docopt against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKhigashiguchi%2Frust_cli_docopt" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Khigashiguchi/rust_cli_docopt on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Khigashiguchi/rust_cli_docopt
[INFO] finished tweaking git repo https://github.com/Khigashiguchi/rust_cli_docopt
[INFO] tweaked toml for git repo https://github.com/Khigashiguchi/rust_cli_docopt written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Khigashiguchi/rust_cli_docopt already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive_internals v0.17.0
[INFO] [stderr]   Downloaded docopt v0.8.1
[INFO] [stderr]   Downloaded strsim v0.6.0
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded serde v1.0.23
[INFO] [stderr]   Downloaded serde_derive v1.0.23
[INFO] [stderr]   Downloaded regex v0.2.3
[INFO] [stderr]   Downloaded libc v0.2.34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 026c3c854d9ba8fd3d9b2bcdb931e61c893a4318d3853ba75a2b63d6c7a3520d
[INFO] running `Command { std: "docker" "start" "-a" "026c3c854d9ba8fd3d9b2bcdb931e61c893a4318d3853ba75a2b63d6c7a3520d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "026c3c854d9ba8fd3d9b2bcdb931e61c893a4318d3853ba75a2b63d6c7a3520d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "026c3c854d9ba8fd3d9b2bcdb931e61c893a4318d3853ba75a2b63d6c7a3520d", kill_on_drop: false }`
[INFO] [stdout] 026c3c854d9ba8fd3d9b2bcdb931e61c893a4318d3853ba75a2b63d6c7a3520d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc40716ee35c51e3a42c6f8e0eddeb279056d7d58ea1991b9a7db813d6e73469
[INFO] running `Command { std: "docker" "start" "-a" "dc40716ee35c51e3a42c6f8e0eddeb279056d7d58ea1991b9a7db813d6e73469", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking libc v0.2.34
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking serde v1.0.23
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking memchr v2.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.4
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]     Checking cli_docopt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 23 |     cmd_import: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 24 |     arg_import_repo: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     cmd_list: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     cmd_update: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     arg_update_repo: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     cmd_delete: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     arg_delete_repo: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     flag_help: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     flag_version: bool
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/main.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 23 |     cmd_import: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 24 |     arg_import_repo: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 25 |     cmd_list: bool,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 26 |     cmd_update: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 27 |     arg_update_repo: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     cmd_delete: bool,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 29 |     arg_delete_repo: String,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 30 |     flag_help: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 31 |     flag_version: bool
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Args` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.15s
[INFO] running `Command { std: "docker" "inspect" "dc40716ee35c51e3a42c6f8e0eddeb279056d7d58ea1991b9a7db813d6e73469", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc40716ee35c51e3a42c6f8e0eddeb279056d7d58ea1991b9a7db813d6e73469", kill_on_drop: false }`
[INFO] [stdout] dc40716ee35c51e3a42c6f8e0eddeb279056d7d58ea1991b9a7db813d6e73469