[INFO] cloning repository https://github.com/svechinsky/slope
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/svechinsky/slope" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvechinsky%2Fslope", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvechinsky%2Fslope'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 449bc356ee0edefe594416b8b08494fe50f37158
[INFO] checking svechinsky/slope against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsvechinsky%2Fslope" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/svechinsky/slope on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/svechinsky/slope
[INFO] finished tweaking git repo https://github.com/svechinsky/slope
[INFO] tweaked toml for git repo https://github.com/svechinsky/slope written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/svechinsky/slope 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] acb097299883eb7451629b7eb2ad62aabb94d75ba2dfa1d4beea7f0ba0156eae
[INFO] running `Command { std: "docker" "start" "-a" "acb097299883eb7451629b7eb2ad62aabb94d75ba2dfa1d4beea7f0ba0156eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "acb097299883eb7451629b7eb2ad62aabb94d75ba2dfa1d4beea7f0ba0156eae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acb097299883eb7451629b7eb2ad62aabb94d75ba2dfa1d4beea7f0ba0156eae", kill_on_drop: false }`
[INFO] [stdout] acb097299883eb7451629b7eb2ad62aabb94d75ba2dfa1d4beea7f0ba0156eae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 120bd8624e8060ca475562c877a6060122b3f5ada681d16df471835018651666
[INFO] running `Command { std: "docker" "start" "-a" "120bd8624e8060ca475562c877a6060122b3f5ada681d16df471835018651666", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling gcc v0.3.54
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking untrusted v0.5.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking bitflags v1.0.3
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking data-encoding v2.1.1
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking atty v0.2.10
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]     Checking clap v2.31.2
[INFO] [stderr]    Compiling rayon v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling ring v0.12.1
[INFO] [stderr]     Checking serde_json v1.0.21
[INFO] [stderr]     Checking slope v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `transaction::simple_transaction::SimpleTransaction`
[INFO] [stdout]  --> src/conflict_set/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use transaction::simple_transaction::SimpleTransaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `transaction::simple_transaction::SimpleTransaction`
[INFO] [stdout]  --> src/conflict_set/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use transaction::simple_transaction::SimpleTransaction;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/conflict_set/mod.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn add_conflicting_vertex(&mut self, V);
[INFO] [stdout]   |                                        ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/state/mod.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn validate(&self, &T) -> bool; 
[INFO] [stdout]   |                        ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/transaction/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn generate(Self::GenerateTuple) -> Self;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::GenerateTuple`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/transaction/mod.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn deserialize(String) -> Result<Self, error::TransactionError> where Self: Sized;
[INFO] [stdout]    |                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/conflict_set/mod.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 |   fn add_conflicting_vertex(&mut self, V);
[INFO] [stdout]   |                                        ^ help: try naming the parameter or explicitly ignoring it: `_: V`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout]   = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]  --> src/state/mod.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 |     fn validate(&self, &T) -> bool; 
[INFO] [stdout]   |                        ^^ help: try naming the parameter or explicitly ignoring it: `_: &T`
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]   = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/transaction/mod.rs:10:17
[INFO] [stdout]    |
[INFO] [stdout] 10 |     fn generate(Self::GenerateTuple) -> Self;
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: Self::GenerateTuple`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/transaction/mod.rs:12:20
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn deserialize(String) -> Result<Self, error::TransactionError> where Self: Sized;
[INFO] [stdout]    |                    ^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: String`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public`
[INFO] [stdout]   --> src/state/simple_state.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let public = key_pair.public_key_bytes();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_public`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/state/simple_state.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let sig = key_pair.sign(MESSAGE);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]   --> src/state/simple_state.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn validate(&self, transaction: &SimpleTransaction) -> bool{
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `public`
[INFO] [stdout]   --> src/state/simple_state.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 31 |         let public = key_pair.public_key_bytes();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_public`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sig`
[INFO] [stdout]   --> src/state/simple_state.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |         let sig = key_pair.sign(MESSAGE);
[INFO] [stdout]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_sig`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `transaction`
[INFO] [stdout]   --> src/state/simple_state.rs:38:24
[INFO] [stdout]    |
[INFO] [stdout] 38 |     fn validate(&self, transaction: &SimpleTransaction) -> bool{
[INFO] [stdout]    |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_transaction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/state/simple_state.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SimpleState{
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> SimpleState {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/state/simple_state.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl SimpleState{
[INFO] [stdout]    | ---------------- associated function in this implementation
[INFO] [stdout] 18 |     pub fn new() -> SimpleState {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "120bd8624e8060ca475562c877a6060122b3f5ada681d16df471835018651666", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "120bd8624e8060ca475562c877a6060122b3f5ada681d16df471835018651666", kill_on_drop: false }`
[INFO] [stdout] 120bd8624e8060ca475562c877a6060122b3f5ada681d16df471835018651666
