[INFO] fetching crate darktoken 0.0.6... [INFO] checking darktoken-0.0.6 against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579 [INFO] extracting crate darktoken 0.0.6 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate darktoken 0.0.6 on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking crates.io crate darktoken 0.0.6 [INFO] finished tweaking crates.io crate darktoken 0.0.6 [INFO] tweaked toml for crates.io crate darktoken 0.0.6 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate crates.io crate darktoken 0.0.6 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d977a0982517310a94ffffbcef3ecf1485c01ae3e025cfaa6489082ff887fd82 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d977a0982517310a94ffffbcef3ecf1485c01ae3e025cfaa6489082ff887fd82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d977a0982517310a94ffffbcef3ecf1485c01ae3e025cfaa6489082ff887fd82", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d977a0982517310a94ffffbcef3ecf1485c01ae3e025cfaa6489082ff887fd82", kill_on_drop: false }` [INFO] [stdout] d977a0982517310a94ffffbcef3ecf1485c01ae3e025cfaa6489082ff887fd82 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0b13e2c639e30b5eee26ee9108b31fc3be158edcf112ccba34970bf41fbec85f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "0b13e2c639e30b5eee26ee9108b31fc3be158edcf112ccba34970bf41fbec85f", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.66 [INFO] [stderr] Compiling typenum v1.11.2 [INFO] [stderr] Checking cfg-if v0.1.10 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling unicode-xid v0.2.0 [INFO] [stderr] Compiling syn v1.0.14 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking byte-tools v0.3.1 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Checking opaque-debug v0.2.3 [INFO] [stderr] Checking fake-simd v0.1.2 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking subtle v2.2.2 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking block-padding v0.1.5 [INFO] [stderr] Compiling proc-macro2 v1.0.8 [INFO] [stderr] Checking bls12_381 v0.1.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking itertools v0.8.2 [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 dirs v2.0.2 [INFO] [stderr] Checking clap v2.33.0 [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 darktoken v0.0.6 (/opt/rustwide/workdir) [INFO] [stderr] Compiling serde_derive v1.0.104 [INFO] [stderr] Checking serde v1.0.104 [INFO] [stderr] Checking serde_json v1.0.48 [INFO] [stdout] warning: associated function is never used: `from_string` [INFO] [stdout] --> examples/test.rs:39:8 [INFO] [stdout] | [INFO] [stdout] 39 | fn from_string(&self, serialized: &str) -> Self { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `App`, `Arg`, `SubCommand` [INFO] [stdout] --> examples/darktoken.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: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable statement [INFO] [stdout] --> examples/darktoken.rs:951:5 [INFO] [stdout] | [INFO] [stdout] 949 | return; [INFO] [stdout] | ------ any code following this expression is unreachable [INFO] [stdout] 950 | [INFO] [stdout] 951 | / let settings = CoconutSettings { [INFO] [stdout] 952 | | attributes: 2, [INFO] [stdout] 953 | | [INFO] [stdout] 954 | | threshold: 5, [INFO] [stdout] 955 | | total: 7, [INFO] [stdout] 956 | | }; [INFO] [stdout] | |______^ unreachable statement [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token1` [INFO] [stdout] --> examples/darktoken.rs:986:13 [INFO] [stdout] | [INFO] [stdout] 986 | Ok((token1, token2)) => println!("split worked."), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_token1` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `token2` [INFO] [stdout] --> examples/darktoken.rs:986:21 [INFO] [stdout] | [INFO] [stdout] 986 | Ok((token1, token2)) => println!("split worked."), [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_token2` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `sign_request` [INFO] [stdout] --> examples/darktoken.rs:116:13 [INFO] [stdout] | [INFO] [stdout] 116 | let sign_request = self.coconut.make_blind_sign_request( [INFO] [stdout] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_sign_request` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `deposit_new` [INFO] [stdout] --> examples/darktoken.rs:108:8 [INFO] [stdout] | [INFO] [stdout] 108 | fn deposit_new(&self, value: u64) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CommitProofBuilder` [INFO] [stdout] --> examples/darktoken.rs:374:8 [INFO] [stdout] | [INFO] [stdout] 374 | struct CommitProofBuilder<'a, R: darktoken::RngInstance> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct is never constructed: `CommitProof` [INFO] [stdout] --> examples/darktoken.rs:392:8 [INFO] [stdout] | [INFO] [stdout] 392 | struct CommitProof { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> examples/darktoken.rs:398:8 [INFO] [stdout] | [INFO] [stdout] 398 | fn new( [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `commitments` [INFO] [stdout] --> examples/darktoken.rs:412:8 [INFO] [stdout] | [INFO] [stdout] 412 | fn commitments(&self) -> Box { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `finish` [INFO] [stdout] --> examples/darktoken.rs:422:8 [INFO] [stdout] | [INFO] [stdout] 422 | fn finish(&self, challenge: &bls::Scalar) -> CommitProof { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `commitments` [INFO] [stdout] --> examples/darktoken.rs:441:8 [INFO] [stdout] | [INFO] [stdout] 441 | fn commitments<'a, R: darktoken::RngInstance>( [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> examples/darktoken.rs:779:9 [INFO] [stdout] | [INFO] [stdout] 779 | fs::remove_file(&token_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> examples/darktoken.rs:807:13 [INFO] [stdout] | [INFO] [stdout] 807 | fs::remove_file(&token_path); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 14 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 48.29s [INFO] running `Command { std: "docker" "inspect" "0b13e2c639e30b5eee26ee9108b31fc3be158edcf112ccba34970bf41fbec85f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b13e2c639e30b5eee26ee9108b31fc3be158edcf112ccba34970bf41fbec85f", kill_on_drop: false }` [INFO] [stdout] 0b13e2c639e30b5eee26ee9108b31fc3be158edcf112ccba34970bf41fbec85f