[INFO] cloning repository https://github.com/YulianSan/letcode-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YulianSan/letcode-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYulianSan%2Fletcode-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYulianSan%2Fletcode-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8306fed03e1a53881b6b57919314764dd6d864e7
[INFO] checking YulianSan/letcode-rust/8306fed03e1a53881b6b57919314764dd6d864e7 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYulianSan%2Fletcode-rust" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/YulianSan/letcode-rust on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/YulianSan/letcode-rust
[INFO] finished tweaking git repo https://github.com/YulianSan/letcode-rust
[INFO] tweaked toml for git repo https://github.com/YulianSan/letcode-rust written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/YulianSan/letcode-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b58a59e7a877ee4da1d31416a2d037aebf4064fb4102626a37f1bc009f2b1f3
[INFO] running `Command { std: "docker" "start" "-a" "0b58a59e7a877ee4da1d31416a2d037aebf4064fb4102626a37f1bc009f2b1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b58a59e7a877ee4da1d31416a2d037aebf4064fb4102626a37f1bc009f2b1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b58a59e7a877ee4da1d31416a2d037aebf4064fb4102626a37f1bc009f2b1f3", kill_on_drop: false }`
[INFO] [stdout] 0b58a59e7a877ee4da1d31416a2d037aebf4064fb4102626a37f1bc009f2b1f3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98f066a6c3c5c73aceaad21324d3d9bf5f6baf51b744846699964e08cb95d02f
[INFO] running `Command { std: "docker" "start" "-a" "98f066a6c3c5c73aceaad21324d3d9bf5f6baf51b744846699964e08cb95d02f", kill_on_drop: false }`
[INFO] [stderr]     Checking letcode v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "98f066a6c3c5c73aceaad21324d3d9bf5f6baf51b744846699964e08cb95d02f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98f066a6c3c5c73aceaad21324d3d9bf5f6baf51b744846699964e08cb95d02f", kill_on_drop: false }`
[INFO] [stdout] 98f066a6c3c5c73aceaad21324d3d9bf5f6baf51b744846699964e08cb95d02f