[INFO] cloning repository https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F603e3e81647dfd24%2Feurocrypt-stacking-2021-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F603e3e81647dfd24%2Feurocrypt-stacking-2021-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 79d7b923bedb86e999aed0615a0028a97fb8c88d
[INFO] testing 603e3e81647dfd24/eurocrypt-stacking-2021-code against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F603e3e81647dfd24%2Feurocrypt-stacking-2021-code" "/workspace/builds/worker-39/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-39/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code
[INFO] finished tweaking git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code
[INFO] tweaked toml for git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code written to /workspace/builds/worker-39/source/Cargo.toml
[INFO] crate git repo https://github.com/603e3e81647dfd24/eurocrypt-stacking-2021-code already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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 curve25519-dalek v3.0.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3ef1633d00d7a830d4073cbedb50a611e37295fe9e5b1ef258f4bde292aab217
[INFO] running `Command { std: "docker" "start" "-a" "3ef1633d00d7a830d4073cbedb50a611e37295fe9e5b1ef258f4bde292aab217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3ef1633d00d7a830d4073cbedb50a611e37295fe9e5b1ef258f4bde292aab217", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ef1633d00d7a830d4073cbedb50a611e37295fe9e5b1ef258f4bde292aab217", kill_on_drop: false }`
[INFO] [stdout] 3ef1633d00d7a830d4073cbedb50a611e37295fe9e5b1ef258f4bde292aab217
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-39/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f769f2fd599673bc045119346c8be428a7a8c612bfd4fc70a2f79ed971546615
[INFO] running `Command { std: "docker" "start" "-a" "f769f2fd599673bc045119346c8be428a7a8c612bfd4fc70a2f79ed971546615", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling libc v0.2.91
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling subtle v2.4.0
[INFO] [stderr]    Compiling byteorder v1.4.3
[INFO] [stderr]    Compiling zeroize v1.2.0
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling curve25519-dalek v3.0.2
[INFO] [stderr]    Compiling sha2 v0.9.3
[INFO] [stderr]    Compiling stacksig v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(associated_type_defaults)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `compiler::*`
[INFO] [stdout]   --> src/lib.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use compiler::*;
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `test::Bencher`
[INFO] [stdout]   --> src/lib.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use test::Bencher;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rand_core::OsRng`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | use rand_core::OsRng;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `curve25519_dalek::constants::RISTRETTO_BASEPOINT_TABLE`
[INFO] [stdout]   --> src/lib.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 | use curve25519_dalek::constants::RISTRETTO_BASEPOINT_TABLE;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `curve25519_dalek::ristretto::RistrettoPoint`
[INFO] [stdout]   --> src/lib.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | use curve25519_dalek::ristretto::RistrettoPoint;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `curve25519_dalek::scalar::Scalar`
[INFO] [stdout]   --> src/lib.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | use curve25519_dalek::scalar::Scalar;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]   --> src/lib.rs:54:1
[INFO] [stdout]    |
[INFO] [stdout] 54 | / macro_rules! compile {
[INFO] [stdout] 55 | |     ($pks:expr, $sk:expr) => {{
[INFO] [stdout] 56 | |         let sk = CompiledWitness::new($sk, Side::Left); // for benchmarking the signer is always the left-most key
[INFO] [stdout] 57 | |         let len = $pks.len() / 2;
[INFO] [stdout] ...  |
[INFO] [stdout] 66 | |     }};
[INFO] [stdout] 67 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:69:1
[INFO] [stdout]     |
[INFO] [stdout] 69  | / macro_rules! compilen {
[INFO] [stdout] 70  | |     (1, $pks:expr, $sk:expr) => {{
[INFO] [stdout] 71  | |         compile!($pks, $sk)
[INFO] [stdout] 72  | |     }};
[INFO] [stdout] ...   |
[INFO] [stdout] 116 | |     }};
[INFO] [stdout] 117 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition
[INFO] [stdout]    --> src/lib.rs:119:1
[INFO] [stdout]     |
[INFO] [stdout] 119 | / macro_rules! bench_scheme {
[INFO] [stdout] 120 | |     ($b:expr, $n:tt, $s:tt) => {{
[INFO] [stdout] 121 | |         let sk = Scalar::random(&mut OsRng);
[INFO] [stdout] 122 | |         let mut pk: Vec<RistrettoPoint> = Vec::with_capacity(1 << $n);
[INFO] [stdout] ...   |
[INFO] [stdout] 131 | |     }};
[INFO] [stdout] 132 | | }
[INFO] [stdout]     | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `stacksig` due to 3 previous errors; 9 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "f769f2fd599673bc045119346c8be428a7a8c612bfd4fc70a2f79ed971546615", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f769f2fd599673bc045119346c8be428a7a8c612bfd4fc70a2f79ed971546615", kill_on_drop: false }`
[INFO] [stdout] f769f2fd599673bc045119346c8be428a7a8c612bfd4fc70a2f79ed971546615