[INFO] cloning repository https://github.com/truthixify/freivald
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/truthixify/freivald" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruthixify%2Ffreivald", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruthixify%2Ffreivald'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d693161cda4ceea9601b0e13b6ca96bf7cf0313b
[INFO] checking truthixify/freivald against master#9f48dedc9763334a587c66558974635807a113ed for pr-137394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftruthixify%2Ffreivald" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/truthixify/freivald on toolchain 9f48dedc9763334a587c66558974635807a113ed
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/truthixify/freivald
[INFO] finished tweaking git repo https://github.com/truthixify/freivald
[INFO] tweaked toml for git repo https://github.com/truthixify/freivald written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/truthixify/freivald 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" "+9f48dedc9763334a587c66558974635807a113ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]   Downloaded ark-bls12-381 v0.3.0
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15cf44f4b36fccadd15f2d1ce329ad6f6a4341f2b3a51e09babdd0d6ba36f023
[INFO] running `Command { std: "docker" "start" "-a" "15cf44f4b36fccadd15f2d1ce329ad6f6a4341f2b3a51e09babdd0d6ba36f023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15cf44f4b36fccadd15f2d1ce329ad6f6a4341f2b3a51e09babdd0d6ba36f023", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cf44f4b36fccadd15f2d1ce329ad6f6a4341f2b3a51e09babdd0d6ba36f023", kill_on_drop: false }`
[INFO] [stdout] 15cf44f4b36fccadd15f2d1ce329ad6f6a4341f2b3a51e09babdd0d6ba36f023
[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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+9f48dedc9763334a587c66558974635807a113ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 230a4d54427567e2fc93dadfb2ac40822f1b5960505b27c3b54eb36719994d98
[INFO] running `Command { std: "docker" "start" "-a" "230a4d54427567e2fc93dadfb2ac40822f1b5960505b27c3b54eb36719994d98", kill_on_drop: false }`
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[INFO] [stderr]     Checking freivald v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Freivald` is never constructed
[INFO] [stdout]  --> src/lib.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | struct Freivald {
[INFO] [stdout]   |        ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `verify`, and `verify_once` are never used
[INFO] [stdout]   --> src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Freivald {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 12 |     fn new(array_size: usize) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn verify(
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn verify_once(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `verify_once` is never used
[INFO] [stdout]   --> src/lib.rs:47:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Freivald {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |     pub fn verify_once(
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 16s
[INFO] running `Command { std: "docker" "inspect" "230a4d54427567e2fc93dadfb2ac40822f1b5960505b27c3b54eb36719994d98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "230a4d54427567e2fc93dadfb2ac40822f1b5960505b27c3b54eb36719994d98", kill_on_drop: false }`
[INFO] [stdout] 230a4d54427567e2fc93dadfb2ac40822f1b5960505b27c3b54eb36719994d98