[INFO] updating cached repository https://github.com/lazorgator/diethyl
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28a272739a20911350e6906918e44576691db1ee
[INFO] checking lazorgator/diethyl against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flazorgator%2Fdiethyl" "/workspace/builds/worker-13/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lazorgator/diethyl on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/lazorgator/diethyl
[INFO] finished tweaking git repo https://github.com/lazorgator/diethyl
[INFO] tweaked toml for git repo https://github.com/lazorgator/diethyl written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/lazorgator/diethyl already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5844b01709875ab57ff6bb38d15678b89c9446bdda4833e053c73f1a50a4562b
[INFO] running `"docker" "start" "-a" "5844b01709875ab57ff6bb38d15678b89c9446bdda4833e053c73f1a50a4562b"`
[INFO] [stderr]     Checking diethyl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> lib/rlp/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::type_of`
[INFO] [stderr]  --> lib/rlp/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use util::type_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `constants::*`
[INFO] [stderr]  --> lib/rlp/codec.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use constants::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> lib/rlp/string.rs:22:14
[INFO] [stderr]    |
[INFO] [stderr] 22 |             2...LENGTH_SHORT => RlpString::Short(slen, to_rlp.as_bytes().to_vec()),
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> lib/rlp/string.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |             LENGTH_SHORT...LENGTH_LONG => RlpString::Long(slen, to_rlp.as_bytes().to_vec()),
[INFO] [stderr]    |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::error::Error`
[INFO] [stderr]  --> lib/rlp/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::error::Error;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::type_of`
[INFO] [stderr]  --> lib/rlp/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use util::type_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `constants::*`
[INFO] [stderr]  --> lib/rlp/codec.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use constants::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> lib/rlp/string.rs:22:14
[INFO] [stderr]    |
[INFO] [stderr] 22 |             2...LENGTH_SHORT => RlpString::Short(slen, to_rlp.as_bytes().to_vec()),
[INFO] [stderr]    |              ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]   --> lib/rlp/string.rs:23:25
[INFO] [stderr]    |
[INFO] [stderr] 23 |             LENGTH_SHORT...LENGTH_LONG => RlpString::Long(slen, to_rlp.as_bytes().to_vec()),
[INFO] [stderr]    |                         ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_rlp`
[INFO] [stderr]   --> lib/rlp/list.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn deserialize(from_rlp: &RlpList<RlpString>) -> Vec<String> {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider prefixing with an underscore: `_from_rlp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_bytes`
[INFO] [stderr]   --> lib/rlp/list.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn decode(from_bytes: &Vec<u8>) -> Option<RlpList<RlpString>> {
[INFO] [stderr]    |               ^^^^^^^^^^ help: consider prefixing with an underscore: `_from_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]   --> lib/rlp/list.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn decode_length(header: &Vec<u8>) -> Option<(usize, usize)> {
[INFO] [stderr]    |                      ^^^^^^ help: consider prefixing with an underscore: `_header`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_rlp`
[INFO] [stderr]   --> lib/rlp/list.rs:26:20
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn deserialize(from_rlp: &RlpList<RlpString>) -> Vec<String> {
[INFO] [stderr]    |                    ^^^^^^^^ help: consider prefixing with an underscore: `_from_rlp`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `from_bytes`
[INFO] [stderr]   --> lib/rlp/list.rs:50:15
[INFO] [stderr]    |
[INFO] [stderr] 50 |     fn decode(from_bytes: &Vec<u8>) -> Option<RlpList<RlpString>> {
[INFO] [stderr]    |               ^^^^^^^^^^ help: consider prefixing with an underscore: `_from_bytes`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `header`
[INFO] [stderr]   --> lib/rlp/list.rs:54:22
[INFO] [stderr]    |
[INFO] [stderr] 54 |     fn decode_length(header: &Vec<u8>) -> Option<(usize, usize)> {
[INFO] [stderr]    |                      ^^^^^^ help: consider prefixing with an underscore: `_header`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `diethyl::util::type_of`
[INFO] [stderr]  --> main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use diethyl::util::type_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `diethyl::util::type_of`
[INFO] [stderr]  --> main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use diethyl::util::type_of;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.68s
[INFO] running `"docker" "inspect" "5844b01709875ab57ff6bb38d15678b89c9446bdda4833e053c73f1a50a4562b"`
[INFO] running `"docker" "rm" "-f" "5844b01709875ab57ff6bb38d15678b89c9446bdda4833e053c73f1a50a4562b"`
[INFO] [stdout] 5844b01709875ab57ff6bb38d15678b89c9446bdda4833e053c73f1a50a4562b