[INFO] cloning repository https://github.com/lablog-rs/lablog
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lablog-rs/lablog" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flablog-rs%2Flablog", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flablog-rs%2Flablog'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 15627ad810a4db383889ce71cd1edaffd62344ec
[INFO] checking lablog-rs/lablog against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flablog-rs%2Flablog" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lablog-rs/lablog on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lablog-rs/lablog
[INFO] finished tweaking git repo https://github.com/lablog-rs/lablog
[INFO] tweaked toml for git repo https://github.com/lablog-rs/lablog written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/lablog-rs/lablog already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a28e39d00c6dc4d7ab6952ef69e059d65bf5f074099075aa122d108c423f45b9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a28e39d00c6dc4d7ab6952ef69e059d65bf5f074099075aa122d108c423f45b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a28e39d00c6dc4d7ab6952ef69e059d65bf5f074099075aa122d108c423f45b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a28e39d00c6dc4d7ab6952ef69e059d65bf5f074099075aa122d108c423f45b9", kill_on_drop: false }`
[INFO] [stdout] a28e39d00c6dc4d7ab6952ef69e059d65bf5f074099075aa122d108c423f45b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b26de5c19bd765792dd534354f09ae01ab63fa85a673863c1a740aa6691dd2bf
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b26de5c19bd765792dd534354f09ae01ab63fa85a673863c1a740aa6691dd2bf", kill_on_drop: false }`
[INFO] [stderr]     Checking serde v1.0.23
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking custom_derive v0.1.7
[INFO] [stderr]     Checking rand v0.3.18
[INFO] [stderr]     Checking pretty_assertions v0.4.0
[INFO] [stderr]     Checking loggerv v0.4.0
[INFO] [stderr]     Checking clap v2.28.0
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking regex v0.2.3
[INFO] [stderr]    Compiling serde_derive v1.0.23
[INFO] [stderr]     Checking csv-core v0.1.3
[INFO] [stderr]     Checking backtrace v0.3.4
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking tempdir v0.3.5
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking csv v1.0.0-beta.5
[INFO] [stderr]     Checking lablog_store v0.1.0 (https://github.com/lablog-rs/lablog_store#15d07ab2)
[INFO] [stderr]     Checking lablog_store_csv v0.1.0 (https://github.com/lablog-rs/lablog_store_csv#0cd30f43)
[INFO] [stderr]     Checking lablog v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.08s
[INFO] running `Command { std: "docker" "inspect" "b26de5c19bd765792dd534354f09ae01ab63fa85a673863c1a740aa6691dd2bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b26de5c19bd765792dd534354f09ae01ab63fa85a673863c1a740aa6691dd2bf", kill_on_drop: false }`
[INFO] [stdout] b26de5c19bd765792dd534354f09ae01ab63fa85a673863c1a740aa6691dd2bf