[INFO] fetching crate guff 0.1.7...
[INFO] checking guff-0.1.7 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate guff 0.1.7 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate guff 0.1.7
[INFO] finished tweaking crates.io crate guff 0.1.7
[INFO] tweaked toml for crates.io crate guff 0.1.7 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate guff 0.1.7 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 78 packages to latest compatible versions
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d760dc9fc5c6d06707efed10986cc65f8fa65ea5ffe7fe2b0c37eb1f50bc72ed
[INFO] running `Command { std: "docker" "start" "-a" "d760dc9fc5c6d06707efed10986cc65f8fa65ea5ffe7fe2b0c37eb1f50bc72ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d760dc9fc5c6d06707efed10986cc65f8fa65ea5ffe7fe2b0c37eb1f50bc72ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d760dc9fc5c6d06707efed10986cc65f8fa65ea5ffe7fe2b0c37eb1f50bc72ed", kill_on_drop: false }`
[INFO] [stdout] d760dc9fc5c6d06707efed10986cc65f8fa65ea5ffe7fe2b0c37eb1f50bc72ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cd64bbb38f47326ec6ec939f01f2d431a1f273daa12d5be68116757e1fea958
[INFO] running `Command { std: "docker" "start" "-a" "8cd64bbb38f47326ec6ec939f01f2d431a1f273daa12d5be68116757e1fea958", kill_on_drop: false }`
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking guff v0.1.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `F16` and `F4`
[INFO] [stdout]    --> src/good.rs:665:17
[INFO] [stdout]     |
[INFO] [stdout] 665 |     use crate::{F4, F8, F16};
[INFO] [stdout]     |                 ^^      ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exp` is never read
[INFO] [stdout]    --> src/good.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | struct BigLogExpTables<G> where G : GaloisField {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 226 |     log  : Vec<G::SEE>,
[INFO] [stdout] 227 |     exp  : Vec<G::E>,
[INFO] [stdout]     |     ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `mod_reduce_bytewise` is never used
[INFO] [stdout]    --> src/good.rs:545:8
[INFO] [stdout]     |
[INFO] [stdout] 485 | / impl<G> BytewiseReduceTable<G>
[INFO] [stdout] 486 | | where G : GaloisField,
[INFO] [stdout] 487 | |       G::E   : Into<usize>,
[INFO] [stdout] ...   |
[INFO] [stdout] 490 | |       G::E   : std::fmt::Debug
[INFO] [stdout]     | |______________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 545 |       fn mod_reduce_bytewise(&self, mut a : G::EE) -> G::E
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `F16` and `F8`
[INFO] [stdout]  --> benches/single_mul.rs:3:47
[INFO] [stdout]   |
[INFO] [stdout] 3 | use guff::{GaloisField, new_gf4, F4, new_gf8, F8, new_gf16, F16 };
[INFO] [stdout]   |                                               ^^            ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `exp` is never read
[INFO] [stdout]    --> src/good.rs:227:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | struct BigLogExpTables<G> where G : GaloisField {
[INFO] [stdout]     |        --------------- field in this struct
[INFO] [stdout] 226 |     log  : Vec<G::SEE>,
[INFO] [stdout] 227 |     exp  : Vec<G::E>,
[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 2.09s
[INFO] running `Command { std: "docker" "inspect" "8cd64bbb38f47326ec6ec939f01f2d431a1f273daa12d5be68116757e1fea958", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cd64bbb38f47326ec6ec939f01f2d431a1f273daa12d5be68116757e1fea958", kill_on_drop: false }`
[INFO] [stdout] 8cd64bbb38f47326ec6ec939f01f2d431a1f273daa12d5be68116757e1fea958