[INFO] cloning repository https://github.com/care0717/rugcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/care0717/rugcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcare0717%2Frugcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcare0717%2Frugcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24a68f862cb7877c3736cc44f6c01987effdde39
[INFO] checking care0717/rugcc against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcare0717%2Frugcc" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/care0717/rugcc on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/care0717/rugcc
[INFO] finished tweaking git repo https://github.com/care0717/rugcc
[INFO] tweaked toml for git repo https://github.com/care0717/rugcc written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/care0717/rugcc already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", 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] 6682e558bf4472ea29df27ee87a2951352594159a46a984135d091d015382f93
[INFO] running `Command { std: "docker" "start" "-a" "6682e558bf4472ea29df27ee87a2951352594159a46a984135d091d015382f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6682e558bf4472ea29df27ee87a2951352594159a46a984135d091d015382f93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6682e558bf4472ea29df27ee87a2951352594159a46a984135d091d015382f93", kill_on_drop: false }`
[INFO] [stdout] 6682e558bf4472ea29df27ee87a2951352594159a46a984135d091d015382f93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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] 3bca890803d33371819a1912ca0c8451e247ef28b64c8b92eeb4c4f5e3fa240c
[INFO] running `Command { std: "docker" "start" "-a" "3bca890803d33371819a1912ca0c8451e247ef28b64c8b92eeb4c4f5e3fa240c", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking rugcc v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `END_LINE` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         END_LINE,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to upper camel case: `EndLine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `COMP_STMT` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         COMP_STMT,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to upper camel case: `CompStmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EXPR_STMT` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         EXPR_STMT,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to upper camel case: `ExprStmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SUB_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         SUB_IMM,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `SubImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LABEL_ADDR` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         LABEL_ADDR,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `LabelAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STORE8_ARG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         STORE8_ARG,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `Store8Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STORE32_ARG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         STORE32_ARG,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Store32Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STORE64_ARG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         STORE64_ARG,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Store64Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LABEL_ADDR` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         LABEL_ADDR,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `LabelAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REG_REG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         REG_REG,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `RegReg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REG_IMN` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |         REG_IMN,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `RegImn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REG_LABEL` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         REG_LABEL,
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to upper camel case: `RegLabel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IMM_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         IMM_IMM,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `ImmImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `END_LINE` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |         END_LINE,
[INFO] [stdout]    |         ^^^^^^^^ help: convert the identifier to upper camel case: `EndLine`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `COMP_STMT` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         COMP_STMT,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to upper camel case: `CompStmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EXPR_STMT` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         EXPR_STMT,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to upper camel case: `ExprStmt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `SUB_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:156:9
[INFO] [stdout]     |
[INFO] [stdout] 156 |         SUB_IMM,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `SubImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LABEL_ADDR` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:159:9
[INFO] [stdout]     |
[INFO] [stdout] 159 |         LABEL_ADDR,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `LabelAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STORE8_ARG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |         STORE8_ARG,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `Store8Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STORE32_ARG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:168:9
[INFO] [stdout]     |
[INFO] [stdout] 168 |         STORE32_ARG,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Store32Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `STORE64_ARG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:169:9
[INFO] [stdout]     |
[INFO] [stdout] 169 |         STORE64_ARG,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: convert the identifier to upper camel case: `Store64Arg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LABEL_ADDR` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:228:9
[INFO] [stdout]     |
[INFO] [stdout] 228 |         LABEL_ADDR,
[INFO] [stdout]     |         ^^^^^^^^^^ help: convert the identifier to upper camel case: `LabelAddr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REG_REG` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |         REG_REG,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `RegReg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REG_IMN` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:230:9
[INFO] [stdout]     |
[INFO] [stdout] 230 |         REG_IMN,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `RegImn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `REG_LABEL` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:231:9
[INFO] [stdout]     |
[INFO] [stdout] 231 |         REG_LABEL,
[INFO] [stdout]     |         ^^^^^^^^^ help: convert the identifier to upper camel case: `RegLabel`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `IMM_IMM` should have an upper camel case name
[INFO] [stdout]    --> src/lib.rs:234:9
[INFO] [stdout]     |
[INFO] [stdout] 234 |         IMM_IMM,
[INFO] [stdout]     |         ^^^^^^^ help: convert the identifier to upper camel case: `ImmImm`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/lib.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |                     let length =  temp.len();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/lib.rs:303:25
[INFO] [stdout]     |
[INFO] [stdout] 303 |                     let length =  temp.len();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/lib.rs:291:25
[INFO] [stdout]     |
[INFO] [stdout] 291 |                     let length =  temp.len();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `length`
[INFO] [stdout]    --> src/lib.rs:303:25
[INFO] [stdout]     |
[INFO] [stdout] 303 |                     let length =  temp.len();
[INFO] [stdout]     |                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_length`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 15 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.83s
[INFO] running `Command { std: "docker" "inspect" "3bca890803d33371819a1912ca0c8451e247ef28b64c8b92eeb4c4f5e3fa240c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bca890803d33371819a1912ca0c8451e247ef28b64c8b92eeb4c4f5e3fa240c", kill_on_drop: false }`
[INFO] [stdout] 3bca890803d33371819a1912ca0c8451e247ef28b64c8b92eeb4c4f5e3fa240c