[INFO] fetching crate mpvss-rs 0.2.7...
[INFO] checking mpvss-rs-0.2.7 against master#350d0ef0ec0493e6d21cfb265cb8211a0e74d766 for pr-145342-1
[INFO] extracting crate mpvss-rs 0.2.7 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate mpvss-rs 0.2.7
[INFO] finished tweaking crates.io crate mpvss-rs 0.2.7
[INFO] tweaked toml for crates.io crate mpvss-rs 0.2.7 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mpvss-rs 0.2.7 on toolchain 350d0ef0ec0493e6d21cfb265cb8211a0e74d766
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mpvss-rs 0.2.7 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" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded num-primes v0.1.2
[INFO] [stderr]   Downloaded rayon v1.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c1ce4c1b2b5d90376b3434e6a97a21be12ec16ddcd93b7f2f4de65bfc110d926
[INFO] running `Command { std: "docker" "start" "-a" "c1ce4c1b2b5d90376b3434e6a97a21be12ec16ddcd93b7f2f4de65bfc110d926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c1ce4c1b2b5d90376b3434e6a97a21be12ec16ddcd93b7f2f4de65bfc110d926", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c1ce4c1b2b5d90376b3434e6a97a21be12ec16ddcd93b7f2f4de65bfc110d926", kill_on_drop: false }`
[INFO] [stdout] c1ce4c1b2b5d90376b3434e6a97a21be12ec16ddcd93b7f2f4de65bfc110d926
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+350d0ef0ec0493e6d21cfb265cb8211a0e74d766" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb5f57ea274973baa0bb6a460d791af1722f2d7b9507460318f00a2db7c97501
[INFO] running `Command { std: "docker" "start" "-a" "cb5f57ea274973baa0bb6a460d791af1722f2d7b9507460318f00a2db7c97501", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling crossbeam-utils v0.8.14
[INFO] [stderr]    Compiling memoffset v0.7.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.13
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling rayon-core v1.10.1
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking cpufeatures v0.2.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]     Checking generic-array v0.14.6
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking num_cpus v1.14.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking sha2 v0.9.9
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking rayon v1.6.0
[INFO] [stderr]     Checking num-primes v0.1.2
[INFO] [stderr]     Checking mpvss-rs v0.2.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `a1` and `a2` are never read
[INFO] [stdout]    --> src/dleq.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout]  92 | pub struct DLEQ {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub a1: BigInt,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 103 |     pub a2: BigInt,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DLEQ` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `a1` and `a2` are never read
[INFO] [stdout]    --> src/dleq.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout]  92 | pub struct DLEQ {
[INFO] [stdout]     |            ---- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub a1: BigInt,
[INFO] [stdout]     |         ^^
[INFO] [stdout] 103 |     pub a2: BigInt,
[INFO] [stdout]     |         ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `DLEQ` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/dleq.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         drop(length);
[INFO] [stdout]     |         ^^^^^------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `i64`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_copy_types)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 218 -         drop(length);
[INFO] [stdout] 218 +         let _ = length;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a value that implements `Copy` does nothing
[INFO] [stdout]    --> src/mpvss.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         drop(length);
[INFO] [stdout]     |         ^^^^^------^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              argument has type `i64`
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 349 -         drop(length);
[INFO] [stdout] 349 +         let _ = length;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.25s
[INFO] running `Command { std: "docker" "inspect" "cb5f57ea274973baa0bb6a460d791af1722f2d7b9507460318f00a2db7c97501", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb5f57ea274973baa0bb6a460d791af1722f2d7b9507460318f00a2db7c97501", kill_on_drop: false }`
[INFO] [stdout] cb5f57ea274973baa0bb6a460d791af1722f2d7b9507460318f00a2db7c97501