[INFO] fetching crate darkcontract 0.0.5...
[INFO] checking darkcontract-0.0.5 against master#39cb3386ddc6c71657418be28dbb3987eea4aa4b for pr-133536
[INFO] extracting crate darkcontract 0.0.5 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate darkcontract 0.0.5 on toolchain 39cb3386ddc6c71657418be28dbb3987eea4aa4b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate darkcontract 0.0.5
[INFO] finished tweaking crates.io crate darkcontract 0.0.5
[INFO] tweaked toml for crates.io crate darkcontract 0.0.5 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate darkcontract 0.0.5 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" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs v2.0.2
[INFO] [stderr]   Downloaded hex v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v1.0.8
[INFO] [stderr]   Downloaded hermit-abi v0.1.7
[INFO] [stderr]   Downloaded sha2 v0.8.1
[INFO] [stderr]   Downloaded dirs-sys v0.3.4
[INFO] [stderr]   Downloaded c2-chacha v0.2.3
[INFO] [stderr]   Downloaded serde_json v1.0.48
[INFO] [stderr]   Downloaded subtle v2.2.2
[INFO] [stderr]   Downloaded syn v1.0.14
[INFO] [stderr]   Downloaded bls12_381 v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7098bd1ec2fb73caf4a91be18f8c21a96d0a2b16db6771cf54116cdec1b9c747
[INFO] running `Command { std: "docker" "start" "-a" "7098bd1ec2fb73caf4a91be18f8c21a96d0a2b16db6771cf54116cdec1b9c747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7098bd1ec2fb73caf4a91be18f8c21a96d0a2b16db6771cf54116cdec1b9c747", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7098bd1ec2fb73caf4a91be18f8c21a96d0a2b16db6771cf54116cdec1b9c747", kill_on_drop: false }`
[INFO] [stdout] 7098bd1ec2fb73caf4a91be18f8c21a96d0a2b16db6771cf54116cdec1b9c747
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+39cb3386ddc6c71657418be28dbb3987eea4aa4b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4eedb4a2a6277627496c48e0fc2cd9cc3c41cef5cbfbbc6e6d439cf814a373d5
[INFO] running `Command { std: "docker" "start" "-a" "4eedb4a2a6277627496c48e0fc2cd9cc3c41cef5cbfbbc6e6d439cf814a373d5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]     Checking byte-tools v0.3.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking opaque-debug v0.2.3
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking subtle v2.2.2
[INFO] [stderr]     Checking block-padding v0.1.5
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking hex v0.4.2
[INFO] [stderr]     Checking bls12_381 v0.1.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]     Checking darkcontract v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stdout] error[E0463]: can't find crate for `darktoken`
[INFO] [stdout]  --> examples/darkcontract.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | extern crate darktoken;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> examples/test.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]  --> examples/test.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |                     ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: no expected values for `feature`
[INFO] [stdout]   = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `App`, `Arg`, and `SubCommand`
[INFO] [stdout]  --> examples/darkcontract.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{App, Arg, SubCommand};
[INFO] [stdout]   |            ^^^  ^^^  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> examples/darkcontract.rs:559:10
[INFO] [stdout]     |
[INFO] [stdout] 559 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> examples/darkcontract.rs:559:21
[INFO] [stdout]     |
[INFO] [stdout] 559 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> examples/darkcontract.rs:567:10
[INFO] [stdout]     |
[INFO] [stdout] 567 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> examples/darkcontract.rs:567:21
[INFO] [stdout]     |
[INFO] [stdout] 567 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> examples/darkcontract.rs:684:10
[INFO] [stdout]     |
[INFO] [stdout] 684 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `cargo-clippy`
[INFO] [stdout]    --> examples/darkcontract.rs:684:21
[INFO] [stdout]     |
[INFO] [stdout] 684 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]     |                     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: no expected values for `feature`
[INFO] [stdout]     = help: consider adding `cargo-clippy` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]     = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `from_slice` is never used
[INFO] [stdout]   --> examples/test.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn from_slice(bytes: &[u8]) -> [u8; 32] {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FromString` is never used
[INFO] [stdout]   --> examples/test.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait FromString {
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `from_string` is never used
[INFO] [stdout]   --> examples/test.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 31 | impl Foo {
[INFO] [stdout]    | -------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     fn from_string(&self, serialized: &str) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> examples/test.rs:8:10
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |          ^--------
[INFO] [stdout]   |          |
[INFO] [stdout]   |          `Serialize` is not local
[INFO] [stdout]   |          move the `impl` block outside of this constant `_IMPL_SERIALIZE_FOR_FooObject`
[INFO] [stdout] 9 | struct FooObject {
[INFO] [stdout]   |        --------- `FooObject` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Serialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Serialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Serialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> examples/test.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | #[derive(Serialize, Deserialize, Debug)]
[INFO] [stdout]   |                     ^----------
[INFO] [stdout]   |                     |
[INFO] [stdout]   |                     `Deserialize` is not local
[INFO] [stdout]   |                     move the `impl` block outside of this constant `_IMPL_DESERIALIZE_FOR_FooObject`
[INFO] [stdout] 9 | struct FooObject {
[INFO] [stdout]   |        --------- `FooObject` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Deserialize` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Deserialize` may come from an old version of the `serde_derive` crate, try updating your dependency with `cargo update -p serde_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Deserialize` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `darkcontract` (example "darkcontract") due to 1 previous error; 7 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "4eedb4a2a6277627496c48e0fc2cd9cc3c41cef5cbfbbc6e6d439cf814a373d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4eedb4a2a6277627496c48e0fc2cd9cc3c41cef5cbfbbc6e6d439cf814a373d5", kill_on_drop: false }`
[INFO] [stdout] 4eedb4a2a6277627496c48e0fc2cd9cc3c41cef5cbfbbc6e6d439cf814a373d5
