[INFO] cloning repository https://github.com/dvc94ch/flutter-keystore-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dvc94ch/flutter-keystore-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-keystore-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-keystore-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 980cc890278218d08243a498d41190f6ef83924c
[INFO] checking dvc94ch/flutter-keystore-plugin against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-keystore-plugin" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/flutter-keystore-plugin 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/dvc94ch/flutter-keystore-plugin
[INFO] finished tweaking git repo https://github.com/dvc94ch/flutter-keystore-plugin
[INFO] tweaked toml for git repo https://github.com/dvc94ch/flutter-keystore-plugin written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dvc94ch/flutter-keystore-plugin 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]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/paritytech/substrate`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded backtrace v0.3.43
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] a5aed507881396c6d89593fae97c4a52d782f602a212968c47a03a4689e87ed8
[INFO] running `Command { std: "docker" "start" "-a" "a5aed507881396c6d89593fae97c4a52d782f602a212968c47a03a4689e87ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5aed507881396c6d89593fae97c4a52d782f602a212968c47a03a4689e87ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5aed507881396c6d89593fae97c4a52d782f602a212968c47a03a4689e87ed8", kill_on_drop: false }`
[INFO] [stdout] a5aed507881396c6d89593fae97c4a52d782f602a212968c47a03a4689e87ed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 7bcb66aecabdd8d70a1d77916de503f212d0d6a52286379de71ac4c83b3a267f
[INFO] running `Command { std: "docker" "start" "-a" "7bcb66aecabdd8d70a1d77916de503f212d0d6a52286379de71ac4c83b3a267f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
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[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking parity-wasm v0.41.0
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling regex-syntax v0.6.14
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[INFO] [stderr]     Checking pbkdf2 v0.3.0
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[INFO] [stderr]     Checking parking_lot v0.7.1
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[INFO] [stderr]     Checking uint v0.8.2
[INFO] [stderr]    Compiling unicode-width v0.1.7
[INFO] [stderr]     Checking wasmi-validation v0.3.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling tiny-keccak v2.0.1
[INFO] [stderr]     Checking zeroize v0.9.3
[INFO] [stderr]     Checking environmental v1.1.1
[INFO] [stderr]     Checking png v0.15.3
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]     Checking once_cell v0.1.8
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[INFO] [stderr]    Compiling atty v0.2.14
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[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]     Checking arrayref v0.3.6
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[INFO] [stderr]     Checking constant_time_eq v0.1.5
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[INFO] [stderr]    Compiling remove_dir_all v0.5.2
[INFO] [stderr]    Compiling clap v2.33.0
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[INFO] [stderr]    Compiling Inflector v0.11.4
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[INFO] [stderr]     Checking checked_int_cast v1.0.0
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[INFO] [stderr]     Checking blockies v0.3.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking strobe-rs v0.5.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling zeroize_derive v1.0.0
[INFO] [stderr]    Compiling sp-debug-derive v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]    Compiling impl-trait-for-tuples v0.1.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking zeroize v1.1.0
[INFO] [stderr]     Checking failure v0.1.6
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[INFO] [stderr]     Checking ed25519-dalek v1.0.0-pre.3
[INFO] [stderr]     Checking substrate-bip39 v0.3.1
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[INFO] [stderr]     Checking serde_json v1.0.45
[INFO] [stderr]     Checking sp-storage v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]     Checking sp-externalities v0.8.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.1.1
[INFO] [stderr]    Compiling sp-runtime-interface-proc-macro v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]     Checking parity-scale-codec v1.1.2
[INFO] [stderr]     Checking impl-codec v0.4.2
[INFO] [stderr]     Checking sp-wasm-interface v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]     Checking primitive-types v0.6.2
[INFO] [stderr]    Compiling keystore-ffi v0.1.0 (/opt/rustwide/workdir/keystore-ffi)
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]     Checking sp-core v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]     Checking keystore v0.1.0 (/opt/rustwide/workdir/keystore)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     let password = cstr!(password);
[INFO] [stdout]    |                    --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     let phrase = cstr!(phrase);
[INFO] [stdout]    |                  ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     let password = cstr!(password);
[INFO] [stdout]    |                    --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     let phrase = cstr!(phrase);
[INFO] [stdout]    |                  ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:9:27
[INFO] [stdout]     |
[INFO] [stdout] 9   |         error!($result, 0);
[INFO] [stdout]     |                           ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     match error!(result) {
[INFO] [stdout]     |           -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:9:27
[INFO] [stdout]     |
[INFO] [stdout] 9   |         error!($result, 0);
[INFO] [stdout]     |                           ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     match error!(result) {
[INFO] [stdout]     |           -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     CString::from_raw(phrase);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let _ = CString::from_raw(phrase);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     CString::from_raw(phrase);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let _ = CString::from_raw(phrase);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 41s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: keystore-ffi v0.1.0 (/opt/rustwide/workdir/keystore-ffi)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "7bcb66aecabdd8d70a1d77916de503f212d0d6a52286379de71ac4c83b3a267f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bcb66aecabdd8d70a1d77916de503f212d0d6a52286379de71ac4c83b3a267f", kill_on_drop: false }`
[INFO] [stdout] 7bcb66aecabdd8d70a1d77916de503f212d0d6a52286379de71ac4c83b3a267f
[INFO] checking dvc94ch/flutter-keystore-plugin against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdvc94ch%2Fflutter-keystore-plugin" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dvc94ch/flutter-keystore-plugin on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dvc94ch/flutter-keystore-plugin
[INFO] finished tweaking git repo https://github.com/dvc94ch/flutter-keystore-plugin
[INFO] tweaked toml for git repo https://github.com/dvc94ch/flutter-keystore-plugin written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dvc94ch/flutter-keystore-plugin 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ba6820707175e42ccc7fd7e2512741a71d56b88028cd976bf5d2fc47b88fcd1
[INFO] running `Command { std: "docker" "start" "-a" "7ba6820707175e42ccc7fd7e2512741a71d56b88028cd976bf5d2fc47b88fcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ba6820707175e42ccc7fd7e2512741a71d56b88028cd976bf5d2fc47b88fcd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ba6820707175e42ccc7fd7e2512741a71d56b88028cd976bf5d2fc47b88fcd1", kill_on_drop: false }`
[INFO] [stdout] 7ba6820707175e42ccc7fd7e2512741a71d56b88028cd976bf5d2fc47b88fcd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 954ac5167e7b54d756c3348dd1ac67ce86fce2d73582966e6a24578e69ae39c2
[INFO] running `Command { std: "docker" "start" "-a" "954ac5167e7b54d756c3348dd1ac67ce86fce2d73582966e6a24578e69ae39c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]     Checking rand_core v0.4.2
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[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking rand_core v0.3.1
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[INFO] [stderr]     Checking primitive-types v0.6.2
[INFO] [stderr]     Checking sp-runtime-interface v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]     Checking sp-core v2.0.0 (https://github.com/paritytech/substrate#85b65a38)
[INFO] [stderr]     Checking keystore v0.1.0 (/opt/rustwide/workdir/keystore)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     let password = cstr!(password);
[INFO] [stdout]    |                    --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     let phrase = cstr!(phrase);
[INFO] [stdout]    |                  ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:9:27
[INFO] [stdout]     |
[INFO] [stdout] 9   |         error!($result, 0);
[INFO] [stdout]     |                           ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     match error!(result) {
[INFO] [stdout]     |           -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     let password = cstr!(password);
[INFO] [stdout]    |                    --------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]    |
[INFO] [stdout] 24 |         cstr!($ptr, 0);
[INFO] [stdout]    |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 99 |     let phrase = cstr!(phrase);
[INFO] [stdout]    |                  ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 100 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:24:23
[INFO] [stdout]     |
[INFO] [stdout] 24  |         cstr!($ptr, 0);
[INFO] [stdout]     |                       ^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     let password = cstr!(password);
[INFO] [stdout]     |                    --------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `cstr` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:9:27
[INFO] [stdout]     |
[INFO] [stdout] 9   |         error!($result, 0);
[INFO] [stdout]     |                           ^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     match error!(result) {
[INFO] [stdout]     |           -------------- in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]     = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]     = note: this warning originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     CString::from_raw(phrase);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let _ = CString::from_raw(phrase);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Box::<T>::from_raw` that must be used
[INFO] [stdout]   --> keystore-ffi/src/lib.rs:60:5
[INFO] [stdout]    |
[INFO] [stdout] 60 |     Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: call `drop(Box::from_raw(ptr))` if you intend to drop the `Box`
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 60 |     let _ = Box::from_raw(keystore as *mut Keystore);
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `CString::from_raw` that must be used
[INFO] [stdout]    --> keystore-ffi/src/lib.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     CString::from_raw(phrase);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: call `drop(from_raw(ptr))` if you intend to drop the `CString`
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 166 |     let _ = CString::from_raw(phrase);
[INFO] [stdout]     |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: keystore-ffi v0.1.0 (/opt/rustwide/workdir/keystore-ffi)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "954ac5167e7b54d756c3348dd1ac67ce86fce2d73582966e6a24578e69ae39c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "954ac5167e7b54d756c3348dd1ac67ce86fce2d73582966e6a24578e69ae39c2", kill_on_drop: false }`
[INFO] [stdout] 954ac5167e7b54d756c3348dd1ac67ce86fce2d73582966e6a24578e69ae39c2