[INFO] cloning repository https://github.com/HamaguRe/sqrt_diff
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/HamaguRe/sqrt_diff" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHamaguRe%2Fsqrt_diff", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHamaguRe%2Fsqrt_diff'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb79bc2efc984af226deb6bda461941c6a3bd3fa
[INFO] checking HamaguRe/sqrt_diff against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHamaguRe%2Fsqrt_diff" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/HamaguRe/sqrt_diff on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/HamaguRe/sqrt_diff
[INFO] finished tweaking git repo https://github.com/HamaguRe/sqrt_diff
[INFO] tweaked toml for git repo https://github.com/HamaguRe/sqrt_diff written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/HamaguRe/sqrt_diff already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gnuplot v0.0.31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] 28d8e2c8b626a36a0809844d3b1c935eeb06143dea56c18d0c6e3a09864be288
[INFO] running `Command { std: "docker" "start" "-a" "28d8e2c8b626a36a0809844d3b1c935eeb06143dea56c18d0c6e3a09864be288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "28d8e2c8b626a36a0809844d3b1c935eeb06143dea56c18d0c6e3a09864be288", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d8e2c8b626a36a0809844d3b1c935eeb06143dea56c18d0c6e3a09864be288", kill_on_drop: false }`
[INFO] [stdout] 28d8e2c8b626a36a0809844d3b1c935eeb06143dea56c18d0c6e3a09864be288
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "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] e6bcca72cbb92ea3237904eff3b3c05fdf8b370ecc3e6e185268e2f7f70d9ada
[INFO] running `Command { std: "docker" "start" "-a" "e6bcca72cbb92ea3237904eff3b3c05fdf8b370ecc3e6e185268e2f7f70d9ada", kill_on_drop: false }`
[INFO] [stderr]     Checking gnuplot v0.0.31
[INFO] [stderr]     Checking sqrt_diff v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.16s
[INFO] running `Command { std: "docker" "inspect" "e6bcca72cbb92ea3237904eff3b3c05fdf8b370ecc3e6e185268e2f7f70d9ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6bcca72cbb92ea3237904eff3b3c05fdf8b370ecc3e6e185268e2f7f70d9ada", kill_on_drop: false }`
[INFO] [stdout] e6bcca72cbb92ea3237904eff3b3c05fdf8b370ecc3e6e185268e2f7f70d9ada