[INFO] fetching crate secp256kfun 0.9.1...
[INFO] checking secp256kfun-0.9.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate secp256kfun 0.9.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate secp256kfun 0.9.1 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 crates.io crate secp256kfun 0.9.1
[INFO] finished tweaking crates.io crate secp256kfun 0.9.1
[INFO] tweaked toml for crates.io crate secp256kfun 0.9.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate secp256kfun 0.9.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded os_str_bytes v6.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-test-macro v0.3.30
[INFO] [stderr]   Downloaded wasm-bindgen-test v0.3.30
[INFO] [stderr]   Downloaded subtle-ng v2.5.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 343ee2f46f3f8b604136bf34c2632d3c4819f8eb8bbe423966a3ba64c91d9776
[INFO] running `Command { std: "docker" "start" "-a" "343ee2f46f3f8b604136bf34c2632d3c4819f8eb8bbe423966a3ba64c91d9776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "343ee2f46f3f8b604136bf34c2632d3c4819f8eb8bbe423966a3ba64c91d9776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343ee2f46f3f8b604136bf34c2632d3c4819f8eb8bbe423966a3ba64c91d9776", kill_on_drop: false }`
[INFO] [stdout] 343ee2f46f3f8b604136bf34c2632d3c4819f8eb8bbe423966a3ba64c91d9776
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 0e106524df4acef139214af7fed1837bb27135b4e34d69bad9794a032c26066a
[INFO] running `Command { std: "docker" "start" "-a" "0e106524df4acef139214af7fed1837bb27135b4e34d69bad9794a032c26066a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
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[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling rayon-core v1.9.2
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon v1.5.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ciborium-io v0.2.0
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[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking plotters v0.3.1
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[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking secp256kfun v0.9.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking proptest v1.0.0
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/vendor/k256/scalar/scalar_4x64.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:65:39
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `basepoint_double_mul` is never used
[INFO] [stdout]   --> src/backend/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait TimeSensitive {
[INFO] [stdout]    |           ------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn basepoint_double_mul(x: &Scalar, A: &BasePoint, y: &Scalar, B: &Point) -> Point;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ciborium v0.2.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.4.0
[INFO] [stdout] warning: the item `op` is imported redundantly
[INFO] [stdout]    --> src/scalar.rs:423:22
[INFO] [stdout]     |
[INFO] [stdout] 422 |     use super::*;
[INFO] [stdout]     |         -------- the item `op` is already imported here
[INFO] [stdout] 423 |     use crate::{hex, op, s};
[INFO] [stdout]     |                      ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryInto` is imported redundantly
[INFO] [stdout]  --> src/vendor/k256/scalar/scalar_4x64.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use core::convert::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/core/src/prelude/mod.rs:65:39
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `TryInto` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `g` is imported redundantly
[INFO] [stdout]    --> src/op.rs:205:17
[INFO] [stdout]     |
[INFO] [stdout] 205 |       use crate::{g, marker::*, Point, Scalar, G};
[INFO] [stdout]     |                   ^
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/macros.rs:273:1
[INFO] [stdout]     |
[INFO] [stdout] 273 | / macro_rules! g {
[INFO] [stdout] 274 | |     ($($t:tt)+) => {{
[INFO] [stdout] 275 | |         #[allow(unused_imports)]
[INFO] [stdout] 276 | |         use core::borrow::Borrow;
[INFO] [stdout] 277 | |         $crate::_g!(@scalar [] $($t)+) }};
[INFO] [stdout] 278 | | }
[INFO] [stdout]     | |_- the item `g` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `basepoint_double_mul` is never used
[INFO] [stdout]   --> src/backend/mod.rs:48:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub trait TimeSensitive {
[INFO] [stdout]    |           ------------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 48 |     fn basepoint_double_mul(x: &Scalar, A: &BasePoint, y: &Scalar, B: &Point) -> Point;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 24.27s
[INFO] running `Command { std: "docker" "inspect" "0e106524df4acef139214af7fed1837bb27135b4e34d69bad9794a032c26066a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e106524df4acef139214af7fed1837bb27135b4e34d69bad9794a032c26066a", kill_on_drop: false }`
[INFO] [stdout] 0e106524df4acef139214af7fed1837bb27135b4e34d69bad9794a032c26066a