[INFO] fetching crate secret_sharing 0.2.0...
[INFO] checking secret_sharing-0.2.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate secret_sharing 0.2.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate secret_sharing 0.2.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate secret_sharing 0.2.0
[INFO] finished tweaking crates.io crate secret_sharing 0.2.0
[INFO] tweaked toml for crates.io crate secret_sharing 0.2.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e76f49e8f8a05386d92aad6480ea153e5123f226d1b487240345da72d2f95e14
[INFO] running `Command { std: "docker" "start" "-a" "e76f49e8f8a05386d92aad6480ea153e5123f226d1b487240345da72d2f95e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e76f49e8f8a05386d92aad6480ea153e5123f226d1b487240345da72d2f95e14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76f49e8f8a05386d92aad6480ea153e5123f226d1b487240345da72d2f95e14", kill_on_drop: false }`
[INFO] [stdout] e76f49e8f8a05386d92aad6480ea153e5123f226d1b487240345da72d2f95e14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f27b66ebc2d0f362d262bf2a71885aec34881590b23783234fc8de860731538c
[INFO] running `Command { std: "docker" "start" "-a" "f27b66ebc2d0f362d262bf2a71885aec34881590b23783234fc8de860731538c", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.99
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking zeroize v1.4.1
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking miracl_amcl v3.2.5
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking rayon-core v1.9.1
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking generic-array v0.12.4
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha3 v0.8.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking amcl_wrapper v0.3.5
[INFO] [stderr]     Checking secret_sharing v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `FieldElementVector`
[INFO] [stdout]  --> src/pedersen_dvss.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::field_elem::{FieldElement, FieldElementVector};
[INFO] [stdout]   |                                              ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FieldElementVector`
[INFO] [stdout]  --> src/pedersen_dvss.rs:5:46
[INFO] [stdout]   |
[INFO] [stdout] 5 | use amcl_wrapper::field_elem::{FieldElement, FieldElementVector};
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.56s
[INFO] running `Command { std: "docker" "inspect" "f27b66ebc2d0f362d262bf2a71885aec34881590b23783234fc8de860731538c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f27b66ebc2d0f362d262bf2a71885aec34881590b23783234fc8de860731538c", kill_on_drop: false }`
[INFO] [stdout] f27b66ebc2d0f362d262bf2a71885aec34881590b23783234fc8de860731538c