[INFO] cloning repository https://github.com/sunziping2016/leetcode
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sunziping2016/leetcode" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunziping2016%2Fleetcode", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunziping2016%2Fleetcode'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5aade930dc18baedc7df8c0fa5771e74de91aa37
[INFO] testing sunziping2016/leetcode against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsunziping2016%2Fleetcode" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sunziping2016/leetcode on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sunziping2016/leetcode
[INFO] finished tweaking git repo https://github.com/sunziping2016/leetcode
[INFO] tweaked toml for git repo https://github.com/sunziping2016/leetcode written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/sunziping2016/leetcode already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc865dd80de612567284c4891a97704ff72a7b5af4f5668aa3aaf4ee14aaf160
[INFO] running `Command { std: "docker" "start" "-a" "bc865dd80de612567284c4891a97704ff72a7b5af4f5668aa3aaf4ee14aaf160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc865dd80de612567284c4891a97704ff72a7b5af4f5668aa3aaf4ee14aaf160", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc865dd80de612567284c4891a97704ff72a7b5af4f5668aa3aaf4ee14aaf160", kill_on_drop: false }`
[INFO] [stdout] bc865dd80de612567284c4891a97704ff72a7b5af4f5668aa3aaf4ee14aaf160
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f640c81336000667dbeb653e399f53abcefc23eb66194ed19795232e0e6f4b99
[INFO] running `Command { std: "docker" "start" "-a" "f640c81336000667dbeb653e399f53abcefc23eb66194ed19795232e0e6f4b99", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling remove-nth-node-from-end-of-list v0.1.0 (/opt/rustwide/workdir/0019.remove-nth-node-from-end-of-list.rust)
[INFO] [stderr]    Compiling merge-k-sorted-lists v0.1.0 (/opt/rustwide/workdir/0023.merge-k-sorted-lists.rust)
[INFO] [stderr]    Compiling four-sum v0.1.0 (/opt/rustwide/workdir/0018.4sum.rust)
[INFO] [stderr]    Compiling letter-combinations-of-a-phone-number v0.1.0 (/opt/rustwide/workdir/0017.letter-combinations-of-a-phone-number.rust)
[INFO] [stderr]    Compiling median-of-two-sorted-arrays v0.1.0 (/opt/rustwide/workdir/0004.median-of-two-sorted-arrays.rust)
[INFO] [stderr]    Compiling remove-duplicates-from-sorted-array v0.1.0 (/opt/rustwide/workdir/0026.remove-duplicates-from-sorted-array.rust)
[INFO] [stderr]    Compiling generate-parentheses v0.1.0 (/opt/rustwide/workdir/0022.generate-parentheses.rust)
[INFO] [stderr]    Compiling valid-parentheses v0.1.0 (/opt/rustwide/workdir/0020.valid-parentheses.rust)
[INFO] [stderr]    Compiling add-two-numbers v0.1.0 (/opt/rustwide/workdir/0002.add-two-numbers.rust)
[INFO] [stderr]    Compiling regular-expression-matching v0.1.0 (/opt/rustwide/workdir/0010.regular-expression-matching.rust)
[INFO] [stderr]    Compiling three-sum v0.1.0 (/opt/rustwide/workdir/0015.3sum.rust)
[INFO] [stderr]    Compiling remove-element v0.1.0 (/opt/rustwide/workdir/0027.remove-element.rust)
[INFO] [stderr]    Compiling palindrome-number v0.1.0 (/opt/rustwide/workdir/0009.palindrome-number.rust)
[INFO] [stderr]    Compiling longest-palindromic-substring v0.1.0 (/opt/rustwide/workdir/0005.longest-palindromic-substring.rust)
[INFO] [stderr]    Compiling reverse-integer v0.1.0 (/opt/rustwide/workdir/0007.reverse-integer.rust)
[INFO] [stderr]    Compiling integer-to-roman v0.1.0 (/opt/rustwide/workdir/0012.integer-to-roman.rust)
[INFO] [stderr]    Compiling merge-two-sorted-lists v0.1.0 (/opt/rustwide/workdir/0021.merge-two-sorted-lists.rust)
[INFO] [stderr]    Compiling swap-nodes-in-pairs v0.1.0 (/opt/rustwide/workdir/0024.swap-nodes-in-pairs.rust)
[INFO] [stderr]    Compiling container-with-most-water v0.1.0 (/opt/rustwide/workdir/0011.container-with-most-water.rust)
[INFO] [stderr]    Compiling longest-common-prefix v0.1.0 (/opt/rustwide/workdir/0014.longest-common-prefix.rust)
[INFO] [stderr]    Compiling zigzag-conversion v0.1.0 (/opt/rustwide/workdir/0006.zigzag-conversion.rust)
[INFO] [stderr]    Compiling two-sum v0.1.0 (/opt/rustwide/workdir/0001.two-sum.rust)
[INFO] [stderr]    Compiling three-sum-closest v0.1.0 (/opt/rustwide/workdir/0016.3sum-closest.rust)
[INFO] [stderr]    Compiling string-to-integer-atoi v0.1.0 (/opt/rustwide/workdir/0008.string-to-integer-atoi.rust)
[INFO] [stderr]    Compiling length-of-longest-substring v0.1.0 (/opt/rustwide/workdir/0003.length-of-longest-substring.rust)
[INFO] [stderr]    Compiling roman-to-integer v0.1.0 (/opt/rustwide/workdir/0013.roman-to-integer.rust)
[INFO] [stderr]    Compiling reverse-nodes-in-k-group v0.1.0 (/opt/rustwide/workdir/0025.reverse-nodes-in-k-group.rust)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0019.remove-nth-node-from-end-of-list.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0021.merge-two-sorted-lists.rust/src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0025.reverse-nodes-in-k-group.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0024.swap-nodes-in-pairs.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `Command { std: "docker" "inspect" "f640c81336000667dbeb653e399f53abcefc23eb66194ed19795232e0e6f4b99", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f640c81336000667dbeb653e399f53abcefc23eb66194ed19795232e0e6f4b99", kill_on_drop: false }`
[INFO] [stdout] f640c81336000667dbeb653e399f53abcefc23eb66194ed19795232e0e6f4b99
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 67d5120842d09b71592240765f464f6d6601a04d18a79d4a6a8fca49014bca7e
[INFO] running `Command { std: "docker" "start" "-a" "67d5120842d09b71592240765f464f6d6601a04d18a79d4a6a8fca49014bca7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.7
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling semver v1.0.5
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.7
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.9
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling plotters-backend v0.3.2
[INFO] [stderr]    Compiling regex-automata v0.1.10
[INFO] [stderr]    Compiling itoa v1.0.1
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling oorandom v11.1.3
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0024.swap-nodes-in-pairs.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0025.reverse-nodes-in-k-group.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0019.remove-nth-node-from-end-of-list.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0021.merge-two-sorted-lists.rust/src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling two-sum v0.1.0 (/opt/rustwide/workdir/0001.two-sum.rust)
[INFO] [stderr]    Compiling remove-nth-node-from-end-of-list v0.1.0 (/opt/rustwide/workdir/0019.remove-nth-node-from-end-of-list.rust)
[INFO] [stderr]    Compiling swap-nodes-in-pairs v0.1.0 (/opt/rustwide/workdir/0024.swap-nodes-in-pairs.rust)
[INFO] [stderr]    Compiling longest-common-prefix v0.1.0 (/opt/rustwide/workdir/0014.longest-common-prefix.rust)
[INFO] [stderr]    Compiling reverse-integer v0.1.0 (/opt/rustwide/workdir/0007.reverse-integer.rust)
[INFO] [stderr]    Compiling merge-two-sorted-lists v0.1.0 (/opt/rustwide/workdir/0021.merge-two-sorted-lists.rust)
[INFO] [stderr]    Compiling letter-combinations-of-a-phone-number v0.1.0 (/opt/rustwide/workdir/0017.letter-combinations-of-a-phone-number.rust)
[INFO] [stderr]    Compiling merge-k-sorted-lists v0.1.0 (/opt/rustwide/workdir/0023.merge-k-sorted-lists.rust)
[INFO] [stderr]    Compiling four-sum v0.1.0 (/opt/rustwide/workdir/0018.4sum.rust)
[INFO] [stderr]    Compiling palindrome-number v0.1.0 (/opt/rustwide/workdir/0009.palindrome-number.rust)
[INFO] [stderr]    Compiling zigzag-conversion v0.1.0 (/opt/rustwide/workdir/0006.zigzag-conversion.rust)
[INFO] [stderr]    Compiling remove-element v0.1.0 (/opt/rustwide/workdir/0027.remove-element.rust)
[INFO] [stderr]    Compiling roman-to-integer v0.1.0 (/opt/rustwide/workdir/0013.roman-to-integer.rust)
[INFO] [stderr]    Compiling add-two-numbers v0.1.0 (/opt/rustwide/workdir/0002.add-two-numbers.rust)
[INFO] [stderr]    Compiling median-of-two-sorted-arrays v0.1.0 (/opt/rustwide/workdir/0004.median-of-two-sorted-arrays.rust)
[INFO] [stderr]    Compiling generate-parentheses v0.1.0 (/opt/rustwide/workdir/0022.generate-parentheses.rust)
[INFO] [stderr]    Compiling three-sum-closest v0.1.0 (/opt/rustwide/workdir/0016.3sum-closest.rust)
[INFO] [stderr]    Compiling integer-to-roman v0.1.0 (/opt/rustwide/workdir/0012.integer-to-roman.rust)
[INFO] [stderr]    Compiling length-of-longest-substring v0.1.0 (/opt/rustwide/workdir/0003.length-of-longest-substring.rust)
[INFO] [stderr]    Compiling longest-palindromic-substring v0.1.0 (/opt/rustwide/workdir/0005.longest-palindromic-substring.rust)
[INFO] [stderr]    Compiling valid-parentheses v0.1.0 (/opt/rustwide/workdir/0020.valid-parentheses.rust)
[INFO] [stderr]    Compiling reverse-nodes-in-k-group v0.1.0 (/opt/rustwide/workdir/0025.reverse-nodes-in-k-group.rust)
[INFO] [stderr]    Compiling remove-duplicates-from-sorted-array v0.1.0 (/opt/rustwide/workdir/0026.remove-duplicates-from-sorted-array.rust)
[INFO] [stderr]    Compiling container-with-most-water v0.1.0 (/opt/rustwide/workdir/0011.container-with-most-water.rust)
[INFO] [stderr]    Compiling three-sum v0.1.0 (/opt/rustwide/workdir/0015.3sum.rust)
[INFO] [stderr]    Compiling string-to-integer-atoi v0.1.0 (/opt/rustwide/workdir/0008.string-to-integer-atoi.rust)
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0019.remove-nth-node-from-end-of-list.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0024.swap-nodes-in-pairs.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0021.merge-two-sorted-lists.rust/src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 |   fn new(val: i32) -> Self {
[INFO] [stdout]    |      ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> 0025.reverse-nodes-in-k-group.rust/src/lib.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn new(val: i32) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling itertools v0.10.3
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling plotters-svg v0.3.1
[INFO] [stderr]    Compiling regex v1.5.4
[INFO] [stderr] error: could not compile `regex-syntax`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name regex_syntax --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/regex-syntax-0.6.25/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 -C metadata=6b182b6aadc2d3ca -C extra-filename=-6b182b6aadc2d3ca --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "67d5120842d09b71592240765f464f6d6601a04d18a79d4a6a8fca49014bca7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67d5120842d09b71592240765f464f6d6601a04d18a79d4a6a8fca49014bca7e", kill_on_drop: false }`
[INFO] [stdout] 67d5120842d09b71592240765f464f6d6601a04d18a79d4a6a8fca49014bca7e