[INFO] cloning repository https://github.com/FSMaxB/mbox-importer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FSMaxB/mbox-importer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFSMaxB%2Fmbox-importer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFSMaxB%2Fmbox-importer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] acf0844c66746852249e18bd8adb0756f12c4364
[INFO] checking FSMaxB/mbox-importer against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFSMaxB%2Fmbox-importer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FSMaxB/mbox-importer on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/FSMaxB/mbox-importer
[INFO] finished tweaking git repo https://github.com/FSMaxB/mbox-importer
[INFO] tweaked toml for git repo https://github.com/FSMaxB/mbox-importer written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/FSMaxB/mbox-importer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "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] f8a48a69b20ea4f2d1aab9ad0d4c151d800db80a1adeae4a64cc91289554f34d
[INFO] running `Command { std: "docker" "start" "-a" "f8a48a69b20ea4f2d1aab9ad0d4c151d800db80a1adeae4a64cc91289554f34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f8a48a69b20ea4f2d1aab9ad0d4c151d800db80a1adeae4a64cc91289554f34d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8a48a69b20ea4f2d1aab9ad0d4c151d800db80a1adeae4a64cc91289554f34d", kill_on_drop: false }`
[INFO] [stdout] f8a48a69b20ea4f2d1aab9ad0d4c151d800db80a1adeae4a64cc91289554f34d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c71abc9f037a4d4d251c052e1e0afb7c6764a98013200a9aeed899dfb253ae8
[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" "3c71abc9f037a4d4d251c052e1e0afb7c6764a98013200a9aeed899dfb253ae8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking bufstream v0.1.4
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.47
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling openssl v0.10.23
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking memmap v0.5.2
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking mbox-reader v0.1.0
[INFO] [stderr]     Checking imap-proto v0.7.0
[INFO] [stderr]    Compiling structopt-derive v0.2.15
[INFO] [stderr]     Checking imap v1.0.1
[INFO] [stderr]     Checking structopt v0.2.15
[INFO] [stderr]     Checking mbox-importer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.53s
[INFO] running `Command { std: "docker" "inspect" "3c71abc9f037a4d4d251c052e1e0afb7c6764a98013200a9aeed899dfb253ae8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c71abc9f037a4d4d251c052e1e0afb7c6764a98013200a9aeed899dfb253ae8", kill_on_drop: false }`
[INFO] [stdout] 3c71abc9f037a4d4d251c052e1e0afb7c6764a98013200a9aeed899dfb253ae8