[INFO] cloning repository https://github.com/Artem711/Rust-DataStructures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Artem711/Rust-DataStructures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem711%2FRust-DataStructures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem711%2FRust-DataStructures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 171a1d1f636658a5b29cccbbadd6c0863fe6fc3e
[INFO] checking Artem711/Rust-DataStructures against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArtem711%2FRust-DataStructures" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Artem711/Rust-DataStructures on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Artem711/Rust-DataStructures
[INFO] finished tweaking git repo https://github.com/Artem711/Rust-DataStructures
[INFO] tweaked toml for git repo https://github.com/Artem711/Rust-DataStructures written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Artem711/Rust-DataStructures already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d2fbea664a1d301c762d2a5ab40983fa9a04b57110a51ac8a9790f9caab82d2a
[INFO] running `Command { std: "docker" "start" "-a" "d2fbea664a1d301c762d2a5ab40983fa9a04b57110a51ac8a9790f9caab82d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d2fbea664a1d301c762d2a5ab40983fa9a04b57110a51ac8a9790f9caab82d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2fbea664a1d301c762d2a5ab40983fa9a04b57110a51ac8a9790f9caab82d2a", kill_on_drop: false }`
[INFO] [stdout] d2fbea664a1d301c762d2a5ab40983fa9a04b57110a51ac8a9790f9caab82d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35c3270cb37e28bbd182c44da6f851c26d15e0342d3f66b0f4d12f7beb69f7fe
[INFO] running `Command { std: "docker" "start" "-a" "35c3270cb37e28bbd182c44da6f851c26d15e0342d3f66b0f4d12f7beb69f7fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking x-data v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `Command { std: "docker" "inspect" "35c3270cb37e28bbd182c44da6f851c26d15e0342d3f66b0f4d12f7beb69f7fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35c3270cb37e28bbd182c44da6f851c26d15e0342d3f66b0f4d12f7beb69f7fe", kill_on_drop: false }`
[INFO] [stdout] 35c3270cb37e28bbd182c44da6f851c26d15e0342d3f66b0f4d12f7beb69f7fe