[INFO] crate sputnikvm-rlp 0.2.0 is already in cache
[INFO] extracting crate sputnikvm-rlp 0.2.0 into work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/sputnikvm-rlp/0.2.0
[INFO] extracting crate sputnikvm-rlp 0.2.0 into work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/sputnikvm-rlp/0.2.0
[INFO] validating manifest of sputnikvm-rlp-0.2.0 on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sputnikvm-rlp-0.2.0 on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sputnikvm-rlp-0.2.0
[INFO] finished frobbing sputnikvm-rlp-0.2.0
[INFO] frobbed toml for sputnikvm-rlp-0.2.0 written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/reg/sputnikvm-rlp/0.2.0/Cargo.toml
[INFO] started frobbing sputnikvm-rlp-0.2.0
[INFO] finished frobbing sputnikvm-rlp-0.2.0
[INFO] frobbed toml for sputnikvm-rlp-0.2.0 written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/sputnikvm-rlp/0.2.0/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking sputnikvm-rlp-0.2.0 against try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-4/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/reg/sputnikvm-rlp/0.2.0:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] adc5d98f06c542c0ccb71d56f2b8e94c07b9ca46c02d5a67314e8d7af0c6a881
[INFO] running `"docker" "start" "-a" "adc5d98f06c542c0ccb71d56f2b8e94c07b9ca46c02d5a67314e8d7af0c6a881"`
[INFO] [stderr]    Compiling heapsize v0.3.9
[INFO] [stderr]     Checking elastic-array v0.7.0
[INFO] [stderr]     Checking sputnikvm-rlp v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/untrusted_rlp.rs:279:43
[INFO] [stderr]     |
[INFO] [stderr] 279 |             result = UntrustedRlp::consume(result, (i.header_len + i.value_len))?;
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cmp`
[INFO] [stderr]  --> src/impls.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{cmp, mem, str};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/impls.rs:181:1
[INFO] [stderr]     |
[INFO] [stderr] 181 | / macro_rules! impl_encodable_for_hash {
[INFO] [stderr] 182 | |     ($name: ident) => {
[INFO] [stderr] 183 | |         impl Encodable for $name {
[INFO] [stderr] 184 | |             fn rlp_append(&self, s: &mut RlpStream) {
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |     }
[INFO] [stderr] 189 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/impls.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / macro_rules! impl_decodable_for_hash {
[INFO] [stderr] 192 | |     ($name: ident, $size: expr) => {
[INFO] [stderr] 193 | |         impl Decodable for $name {
[INFO] [stderr] 194 | |             fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
[INFO] [stderr] ...   |
[INFO] [stderr] 206 | |     }
[INFO] [stderr] 207 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around function argument
[INFO] [stderr]    --> src/untrusted_rlp.rs:279:43
[INFO] [stderr]     |
[INFO] [stderr] 279 |             result = UntrustedRlp::consume(result, (i.header_len + i.value_len))?;
[INFO] [stderr]     |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `cmp`
[INFO] [stderr]  --> src/impls.rs:9:11
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::{cmp, mem, str};
[INFO] [stderr]   |           ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/impls.rs:181:1
[INFO] [stderr]     |
[INFO] [stderr] 181 | / macro_rules! impl_encodable_for_hash {
[INFO] [stderr] 182 | |     ($name: ident) => {
[INFO] [stderr] 183 | |         impl Encodable for $name {
[INFO] [stderr] 184 | |             fn rlp_append(&self, s: &mut RlpStream) {
[INFO] [stderr] ...   |
[INFO] [stderr] 188 | |     }
[INFO] [stderr] 189 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_macros)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> src/impls.rs:191:1
[INFO] [stderr]     |
[INFO] [stderr] 191 | / macro_rules! impl_decodable_for_hash {
[INFO] [stderr] 192 | |     ($name: ident, $size: expr) => {
[INFO] [stderr] 193 | |         impl Decodable for $name {
[INFO] [stderr] 194 | |             fn decode(rlp: &UntrustedRlp) -> Result<Self, DecoderError> {
[INFO] [stderr] ...   |
[INFO] [stderr] 206 | |     }
[INFO] [stderr] 207 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/untrusted_rlp.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 |             _ => { unreachable!(); }
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/untrusted_rlp.rs:89:4
[INFO] [stderr]    |
[INFO] [stderr] 89 |             _ => { unreachable!(); }
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unreachable_patterns)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0463]: can't find crate for `rlp`
[INFO] [stderr]   --> benches/rlp.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | extern crate rlp;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0463`.
[INFO] [stderr] error: Could not compile `sputnikvm-rlp`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "adc5d98f06c542c0ccb71d56f2b8e94c07b9ca46c02d5a67314e8d7af0c6a881"`
[INFO] running `"docker" "rm" "-f" "adc5d98f06c542c0ccb71d56f2b8e94c07b9ca46c02d5a67314e8d7af0c6a881"`
[INFO] [stdout] adc5d98f06c542c0ccb71d56f2b8e94c07b9ca46c02d5a67314e8d7af0c6a881