[INFO] cloning repository https://github.com/zxj5470/pest-ik
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxj5470/pest-ik" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxj5470%2Fpest-ik", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxj5470%2Fpest-ik'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 00b3d257ea288ed685d4bd43429ad91777d5ed2e
[INFO] checking zxj5470/pest-ik against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxj5470%2Fpest-ik" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxj5470/pest-ik on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zxj5470/pest-ik
[INFO] finished tweaking git repo https://github.com/zxj5470/pest-ik
[INFO] tweaked toml for git repo https://github.com/zxj5470/pest-ik written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/zxj5470/pest-ik already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22a48d2b39807cfb3e54058ecbda448c84856ceaac68da672cc8ab0156eae54b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "22a48d2b39807cfb3e54058ecbda448c84856ceaac68da672cc8ab0156eae54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22a48d2b39807cfb3e54058ecbda448c84856ceaac68da672cc8ab0156eae54b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22a48d2b39807cfb3e54058ecbda448c84856ceaac68da672cc8ab0156eae54b", kill_on_drop: false }`
[INFO] [stdout] 22a48d2b39807cfb3e54058ecbda448c84856ceaac68da672cc8ab0156eae54b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 196b5ea5457b1b954eaac88ddb318f1b4db285a8b161a62aeb9496fa67f3b643
[INFO] running `Command { std: "docker" "start" "-a" "196b5ea5457b1b954eaac88ddb318f1b4db285a8b161a62aeb9496fa67f3b643", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking ucd-trie v0.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling llvm-sys v70.2.0
[INFO] [stderr]     Checking pest-ik v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let mut type_str;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:139:17
[INFO] [stdout]     |
[INFO] [stdout] 139 |             let mut type_str;
[INFO] [stdout]     |                 ----^^^^^^^^
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 50.39s
[INFO] running `Command { std: "docker" "inspect" "196b5ea5457b1b954eaac88ddb318f1b4db285a8b161a62aeb9496fa67f3b643", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "196b5ea5457b1b954eaac88ddb318f1b4db285a8b161a62aeb9496fa67f3b643", kill_on_drop: false }`
[INFO] [stdout] 196b5ea5457b1b954eaac88ddb318f1b4db285a8b161a62aeb9496fa67f3b643