[INFO] fetching crate ctflag 0.1.2...
[INFO] testing ctflag-0.1.2 against 1.60.0 for beta-1.61-1
[INFO] extracting crate ctflag 0.1.2 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate ctflag 0.1.2 on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ctflag_derive v0.1.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c965691b231e84a87effe24c843ae3ffcc9641ef30de0a5095f16dfbf53a212d
[INFO] running `Command { std: "docker" "start" "-a" "c965691b231e84a87effe24c843ae3ffcc9641ef30de0a5095f16dfbf53a212d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c965691b231e84a87effe24c843ae3ffcc9641ef30de0a5095f16dfbf53a212d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c965691b231e84a87effe24c843ae3ffcc9641ef30de0a5095f16dfbf53a212d", kill_on_drop: false }`
[INFO] [stdout] c965691b231e84a87effe24c843ae3ffcc9641ef30de0a5095f16dfbf53a212d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fb46cb801e6cc87b15377e87e3ed3d801e43ea472587c260e297c5f091e18808
[INFO] running `Command { std: "docker" "start" "-a" "fb46cb801e6cc87b15377e87e3ed3d801e43ea472587c260e297c5f091e18808", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 v1.9.0
[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 dev [unoptimized + debuginfo] target(s) in 10.06s
[INFO] running `Command { std: "docker" "inspect" "fb46cb801e6cc87b15377e87e3ed3d801e43ea472587c260e297c5f091e18808", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb46cb801e6cc87b15377e87e3ed3d801e43ea472587c260e297c5f091e18808", kill_on_drop: false }`
[INFO] [stdout] fb46cb801e6cc87b15377e87e3ed3d801e43ea472587c260e297c5f091e18808
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b486c0e122a111e1b0ecd32987c8bec4573dc4bbb9c40ff5dbab85630645107f
[INFO] running `Command { std: "docker" "start" "-a" "b486c0e122a111e1b0ecd32987c8bec4573dc4bbb9c40ff5dbab85630645107f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ctflag v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `is_active`
[INFO] [stdout]   --> examples/simple.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     is_active: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `MyFlags` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Flags)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opt_address`
[INFO] [stdout]   --> examples/simple.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     opt_address: Option<String>,
[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]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Flags)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `address`
[INFO] [stdout]   --> examples/simple.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     address: String,
[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]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Flags)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number`
[INFO] [stdout]   --> examples/simple.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     number: i64,
[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]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Flags)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> examples/simple.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 |     size: Option<bool>,
[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]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Flags)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `thing`
[INFO] [stdout]   --> examples/simple.rs:36:5
[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]   --> examples/simple.rs:18:10
[INFO] [stdout]    |
[INFO] [stdout] 18 | #[derive(Debug, Flags)]
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.55s
[INFO] running `Command { std: "docker" "inspect" "b486c0e122a111e1b0ecd32987c8bec4573dc4bbb9c40ff5dbab85630645107f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b486c0e122a111e1b0ecd32987c8bec4573dc4bbb9c40ff5dbab85630645107f", kill_on_drop: false }`
[INFO] [stdout] b486c0e122a111e1b0ecd32987c8bec4573dc4bbb9c40ff5dbab85630645107f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5d12c6abba97db05b0f2beca5df14556cec3e1ad0c47f7a683d09efba4fc3f52
[INFO] running `Command { std: "docker" "start" "-a" "5d12c6abba97db05b0f2beca5df14556cec3e1ad0c47f7a683d09efba4fc3f52", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `is_active`
[INFO] [stderr]   --> examples/simple.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     is_active: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `MyFlags` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]   --> examples/simple.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Flags)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opt_address`
[INFO] [stderr]   --> examples/simple.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     opt_address: Option<String>,
[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]   --> examples/simple.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Flags)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `address`
[INFO] [stderr]   --> examples/simple.rs:27:5
[INFO] [stderr]    |
[INFO] [stderr] 27 |     address: String,
[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]   --> examples/simple.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Flags)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `number`
[INFO] [stderr]   --> examples/simple.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     number: i64,
[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]   --> examples/simple.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Flags)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> examples/simple.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 |     size: Option<bool>,
[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]   --> examples/simple.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Flags)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `thing`
[INFO] [stderr]   --> examples/simple.rs:36:5
[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]   --> examples/simple.rs:18:10
[INFO] [stderr]    |
[INFO] [stderr] 18 | #[derive(Debug, Flags)]
[INFO] [stderr]    |          ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: `ctflag` (example "simple") generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ctflag-ae6118015b8221cd)
[INFO] [stdout] 
[INFO] [stdout] running 19 tests
[INFO] [stdout] test internal::tests::test_flag_iterator ... ok
[INFO] [stdout] test tests::test_bad_int ... ok
[INFO] [stdout] test tests::test_bad_bool ... ok
[INFO] [stdout] test tests::test_bool_using_eq ... 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_defaults ... ok
[INFO] [stdout] test tests::test_custom_type_using_space ... ok
[INFO] [stdout] test tests::test_defaults ... ok
[INFO] [stdout] test tests::test_description ... ok
[INFO] [stdout] test tests::test_int ... ok
[INFO] [stdout] test tests::test_missing_value ... ok
[INFO] [stdout] test tests::test_option_using_eq ... ok
[INFO] [stdout] test tests::test_option_using_space ... ok
[INFO] [stdout] test tests::test_short_name_using_eq ... ok
[INFO] [stdout] test tests::test_short_name_using_space ... ok
[INFO] [stdout] test tests::test_using_eq ... ok
[INFO] [stdout] test tests::test_using_space ... ok
[INFO] [stdout] test tests::test_bad_default - should panic ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 19 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.06s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests ctflag
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test src/lib.rs - (line 70) ... ok
[INFO] [stdout] test src/lib.rs - Flags (line 164) ... ok
[INFO] [stdout] test src/lib.rs - (line 30) ... ok
[INFO] [stdout] test src/lib.rs - FromArg (line 265) ... ok
[INFO] [stdout] test src/lib.rs - Flags::description (line 221) ... ok
[INFO] [stdout] test src/lib.rs - (line 93) ... ok
[INFO] [stdout] test src/lib.rs - Flags::from_args (line 196) ... ok
[INFO] [stdout] test src/lib.rs - (line 43) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.61s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5d12c6abba97db05b0f2beca5df14556cec3e1ad0c47f7a683d09efba4fc3f52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d12c6abba97db05b0f2beca5df14556cec3e1ad0c47f7a683d09efba4fc3f52", kill_on_drop: false }`
[INFO] [stdout] 5d12c6abba97db05b0f2beca5df14556cec3e1ad0c47f7a683d09efba4fc3f52