[INFO] cloning repository https://github.com/gcc2ge/tss-recovery
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gcc2ge/tss-recovery" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcc2ge%2Ftss-recovery", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcc2ge%2Ftss-recovery'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 65626ae5f4628e80dfd8a4f21509fa048ae51e0c
[INFO] checking gcc2ge/tss-recovery against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgcc2ge%2Ftss-recovery" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gcc2ge/tss-recovery 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 git repo https://github.com/gcc2ge/tss-recovery
[INFO] finished tweaking git repo https://github.com/gcc2ge/tss-recovery
[INFO] tweaked toml for git repo https://github.com/gcc2ge/tss-recovery written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/gcc2ge/tss-recovery 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 2aa363bc7feaaa73c92b67fb09285e7d6d06176a5487ddc84ec6db347795f5f8
[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" "2aa363bc7feaaa73c92b67fb09285e7d6d06176a5487ddc84ec6db347795f5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2aa363bc7feaaa73c92b67fb09285e7d6d06176a5487ddc84ec6db347795f5f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2aa363bc7feaaa73c92b67fb09285e7d6d06176a5487ddc84ec6db347795f5f8", kill_on_drop: false }`
[INFO] [stdout] 2aa363bc7feaaa73c92b67fb09285e7d6d06176a5487ddc84ec6db347795f5f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 1d67f73c70dcd6b83cb3dd0840aa37277a9d40fc7d9ed41e7e4ad52d2bc546a8
[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" "1d67f73c70dcd6b83cb3dd0840aa37277a9d40fc7d9ed41e7e4ad52d2bc546a8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking keccak v0.1.0
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking zeroize v0.10.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling secp256k1 v0.15.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking blake2b_simd v0.5.11
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]     Checking sha2 v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking rust-gmp v0.5.0 (https://github.com/KZen-networks/rust-gmp#a15e0ec2)
[INFO] [stderr]     Checking curv v0.2.3 (https://github.com/KZen-networks/curv?tag=v0.2.3#d6c575b5)
[INFO] [stderr]     Checking tss_recovery v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut g = sample_polynomial(t, lost); 
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut t = (0..n)
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vss_scheme`
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |         let (vss_scheme, secret_shares) = VerifiableSS::share(1, 3, &secret);
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vss_scheme`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vss_scheme`
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:195:14
[INFO] [stdout]     |
[INFO] [stdout] 195 |         let (vss_scheme, secret_shares) = VerifiableSS::share(1, 3, &secret);
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vss_scheme`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vss_scheme`
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:228:14
[INFO] [stdout]     |
[INFO] [stdout] 228 |         let (vss_scheme, secret_shares) = VerifiableSS::share(2, 5, &secret);
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vss_scheme`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `vss_scheme`
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:273:14
[INFO] [stdout]     |
[INFO] [stdout] 273 |         let (vss_scheme, secret_shares) = VerifiableSS::share(2, 5, &secret);
[INFO] [stdout]     |              ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_vss_scheme`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:115:9
[INFO] [stdout]     |
[INFO] [stdout] 115 |     let mut g = sample_polynomial(t, lost); 
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/polynomial/lagrange_interpolation.rs:116:9
[INFO] [stdout]     |
[INFO] [stdout] 116 |     let mut t = (0..n)
[INFO] [stdout]     |         ----^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.79s
[INFO] running `Command { std: "docker" "inspect" "1d67f73c70dcd6b83cb3dd0840aa37277a9d40fc7d9ed41e7e4ad52d2bc546a8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d67f73c70dcd6b83cb3dd0840aa37277a9d40fc7d9ed41e7e4ad52d2bc546a8", kill_on_drop: false }`
[INFO] [stdout] 1d67f73c70dcd6b83cb3dd0840aa37277a9d40fc7d9ed41e7e4ad52d2bc546a8