[INFO] fetching crate ctflag 0.1.2...
[INFO] testing ctflag-0.1.2 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate ctflag 0.1.2 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate ctflag 0.1.2
[INFO] finished tweaking crates.io crate ctflag 0.1.2
[INFO] tweaked toml for crates.io crate ctflag 0.1.2 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ctflag 0.1.2 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46
[INFO] running `Command { std: "docker" "start" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling unicode-segmentation v1.13.3
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling ctflag_derive v0.1.2
[INFO] [stderr]    Compiling ctflag v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling ctflag v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `is_active`, `opt_address`, `address`, `number`, `size`, and `thing` are never read
[INFO] [stdout]   --> examples/simple.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | struct MyFlags {
[INFO] [stdout]    |        ------- fields in this struct
[INFO] [stdout] 20 |     #[flag(desc = "Whether this is active", default = true)]
[INFO] [stdout] 21 |     is_active: bool,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     opt_address: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 27 |     address: String,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     number: i64,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     size: Option<bool>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 36 |     thing: Thing,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `MyFlags` 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] [stderr]     Finished `release` profile [optimized] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: fields `is_active`, `opt_address`, `address`, `number`, `size`, and `thing` are never read
[INFO] [stderr]   --> examples/simple.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 19 | struct MyFlags {
[INFO] [stderr]    |        ------- fields in this struct
[INFO] [stderr] 20 |     #[flag(desc = "Whether this is active", default = true)]
[INFO] [stderr] 21 |     is_active: bool,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 24 |     opt_address: Option<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 27 |     address: String,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     number: i64,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 33 |     size: Option<bool>,
[INFO] [stderr]    |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 36 |     thing: Thing,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `MyFlags` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `ctflag` (example "simple") generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/build/ctflag/abe0d30ef63d19a6/out/ctflag-abe0d30ef63d19a6)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test tests::test_bad_bool ... ok
[INFO] [stdout] test tests::test_bad_default - should panic ... ok
[INFO] [stdout] test tests::test_bad_int ... ok
[INFO] [stdout] test tests::test_bool_using_eq ... ok
[INFO] [stdout] test tests::test_description ... ok
[INFO] [stdout] test tests::test_defaults ... ok
[INFO] [stdout] test tests::test_option_using_eq ... ok
[INFO] [stdout] test tests::test_option_using_space ... ok
[INFO] [stdout] test tests::test_bool_using_space ... ok
[INFO] [stdout] test tests::test_custom_type_using_eq ... ok
[INFO] [stdout] test tests::test_custom_type_using_space ... ok
[INFO] [stdout] test internal::tests::test_flag_iterator ... ok
[INFO] [stdout] test tests::test_int ... ok
[INFO] [stdout] test tests::test_missing_value ... ok
[INFO] [stdout] test tests::test_custom_defaults ... ok
[INFO] [stdout] test tests::test_short_name_using_space ... ok
[INFO] [stdout] test tests::test_using_space ... ok
[INFO] [stdout] test tests::test_using_eq ... ok
[INFO] [stdout] test tests::test_short_name_using_eq ... ok
[INFO] [stderr]    Doc-tests ctflag
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - Flags (line 164) ... ok
[INFO] [stdout] test src/lib.rs - FromArg (line 265) ... ok
[INFO] [stdout] test src/lib.rs - (line 93) ... ok
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Flags::description (line 221) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] test src/lib.rs - Flags::from_args (line 196) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.64s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46", kill_on_drop: false }`
[INFO] [stdout] 961ec463a8eceefd4f10f020aae04d5d48cafe537d4ed63cd6f167d899c68f46
