[INFO] fetching crate docopt 1.1.1...
[INFO] checking docopt-1.1.1 against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] extracting crate docopt 1.1.1 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate docopt 1.1.1
[INFO] finished tweaking crates.io crate docopt 1.1.1
[INFO] tweaked toml for crates.io crate docopt 1.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate docopt 1.1.1 on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate docopt 1.1.1 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" "+93086cfebfccb79083c59d0d3b2052944bba643c" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 393c3bf762e345df71b1886ba9d76e7ddf00ee579a348ee81f7cfad753216da4
[INFO] running `Command { std: "docker" "start" "-a" "393c3bf762e345df71b1886ba9d76e7ddf00ee579a348ee81f7cfad753216da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "393c3bf762e345df71b1886ba9d76e7ddf00ee579a348ee81f7cfad753216da4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "393c3bf762e345df71b1886ba9d76e7ddf00ee579a348ee81f7cfad753216da4", kill_on_drop: false }`
[INFO] [stdout] 393c3bf762e345df71b1886ba9d76e7ddf00ee579a348ee81f7cfad753216da4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae1950ea36169f93461cec79977790b1bb81a434ca4e52c0cae7e84d91989792
[INFO] running `Command { std: "docker" "start" "-a" "ae1950ea36169f93461cec79977790b1bb81a434ca4e52c0cae7e84d91989792", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.63
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking docopt v1.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `arg_x`, `arg_y`, and `cmd_mine` are never read
[INFO] [stdout]   --> examples/decode.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 28 |     arg_x: Option<isize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 29 |     arg_y: Option<isize>,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 30 |     cmd_ship: bool,
[INFO] [stdout] 31 |     cmd_mine: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `arg_command` is never read
[INFO] [stdout]   --> examples/optional_command.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | struct Args {
[INFO] [stdout]    |        ---- field in this struct
[INFO] [stdout] 25 |     arg_command: Command,
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> examples/optional_command.rs:63:13
[INFO] [stdout]    |
[INFO] [stdout] 63 |     Unknown(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Command` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 63 -     Unknown(String),
[INFO] [stdout] 63 +     Unknown(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arg_command`, `arg_args`, `flag_list`, and `flag_verbose` are never read
[INFO] [stdout]   --> examples/cargo.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 33 |     arg_command: Option<Command>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 34 |     arg_args: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 35 |     flag_list: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 36 |     flag_verbose: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arg_source`, `arg_dest`, `arg_dir`, `flag_archive`, and `flag_verbose` are never read
[INFO] [stdout]   --> examples/verbose_multiple.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 22 |     arg_source: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 23 |     arg_dest: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 24 |     arg_dir: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 25 |     flag_archive: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 26 |     flag_verbose: usize,
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arg_source`, `arg_dest`, `arg_dir`, and `flag_archive` are never read
[INFO] [stdout]   --> examples/cp.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Args {
[INFO] [stdout]    |        ---- fields in this struct
[INFO] [stdout] 15 |     arg_source: Vec<String>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 16 |     arg_dest: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 17 |     arg_dir: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 18 |     flag_archive: 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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `arg_file`, `cmd_info`, `cmd_update`, and `arg_value` are never read
[INFO] [stdout]   --> src/test/mod.rs:86:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |     struct Args {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 86 |         arg_file: String,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 87 |         cmd_info: bool,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 88 |         cmd_update: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 89 |         arg_timestamp: u64,
[INFO] [stdout] 90 |         arg_value: f64,
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `Deserializer` is never constructed
[INFO] [stdout]    --> src/dopt.rs:638:12
[INFO] [stdout]     |
[INFO] [stdout] 638 | pub struct Deserializer<'de> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `docopt` (bin "docopt-wordlist" test) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "ae1950ea36169f93461cec79977790b1bb81a434ca4e52c0cae7e84d91989792", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae1950ea36169f93461cec79977790b1bb81a434ca4e52c0cae7e84d91989792", kill_on_drop: false }`
[INFO] [stdout] ae1950ea36169f93461cec79977790b1bb81a434ca4e52c0cae7e84d91989792
