[INFO] cloning repository https://github.com/zyf0330/chinese-to-pinyin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zyf0330/chinese-to-pinyin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyf0330%2Fchinese-to-pinyin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyf0330%2Fchinese-to-pinyin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ddf75a933626790a3a49979a5ed8218977e12cc
[INFO] checking zyf0330/chinese-to-pinyin against try#89681135fd92d7dee32c3e562b052ee82f97008c for pr-97086
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzyf0330%2Fchinese-to-pinyin" "/workspace/builds/worker-110/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-110/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zyf0330/chinese-to-pinyin on toolchain 89681135fd92d7dee32c3e562b052ee82f97008c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zyf0330/chinese-to-pinyin
[INFO] finished tweaking git repo https://github.com/zyf0330/chinese-to-pinyin
[INFO] tweaked toml for git repo https://github.com/zyf0330/chinese-to-pinyin written to /workspace/builds/worker-110/source/Cargo.toml
[INFO] crate git repo https://github.com/zyf0330/chinese-to-pinyin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "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-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 917939d9f03b33dd69c74711bda6dd84a67697ad77b8473d29368c18c471fdb7
[INFO] running `Command { std: "docker" "start" "-a" "917939d9f03b33dd69c74711bda6dd84a67697ad77b8473d29368c18c471fdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "917939d9f03b33dd69c74711bda6dd84a67697ad77b8473d29368c18c471fdb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "917939d9f03b33dd69c74711bda6dd84a67697ad77b8473d29368c18c471fdb7", kill_on_drop: false }`
[INFO] [stdout] 917939d9f03b33dd69c74711bda6dd84a67697ad77b8473d29368c18c471fdb7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+89681135fd92d7dee32c3e562b052ee82f97008c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f51a7976d910235f9b0451eea7798a4714ae28c3c21e5010f90c3b66de0428f
[INFO] running `Command { std: "docker" "start" "-a" "0f51a7976d910235f9b0451eea7798a4714ae28c3c21e5010f90c3b66de0428f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pinyin v0.8.0
[INFO] [stderr]     Checking chinese-to-pinyin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.35s
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut chars = if args.len() == 0 {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:44:9
[INFO] [stdout]    |
[INFO] [stdout] 44 |     let mut chars = if args.len() == 0 {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0f51a7976d910235f9b0451eea7798a4714ae28c3c21e5010f90c3b66de0428f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f51a7976d910235f9b0451eea7798a4714ae28c3c21e5010f90c3b66de0428f", kill_on_drop: false }`
[INFO] [stdout] 0f51a7976d910235f9b0451eea7798a4714ae28c3c21e5010f90c3b66de0428f