[INFO] cloning repository https://github.com/keyneom/on-email
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keyneom/on-email" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeyneom%2Fon-email", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeyneom%2Fon-email'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] deec0232745e0af16c50fe53cd2fd2900e1dce7f
[INFO] checking keyneom/on-email against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeyneom%2Fon-email" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keyneom/on-email on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keyneom/on-email
[INFO] finished tweaking git repo https://github.com/keyneom/on-email
[INFO] tweaked toml for git repo https://github.com/keyneom/on-email written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/keyneom/on-email already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[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/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 78d2d6524d5ddfb0eaf4b0e58ae5c1bebe3307abf6cb88824780e843f0f04d8f
[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" "78d2d6524d5ddfb0eaf4b0e58ae5c1bebe3307abf6cb88824780e843f0f04d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78d2d6524d5ddfb0eaf4b0e58ae5c1bebe3307abf6cb88824780e843f0f04d8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d2d6524d5ddfb0eaf4b0e58ae5c1bebe3307abf6cb88824780e843f0f04d8f", kill_on_drop: false }`
[INFO] [stdout] 78d2d6524d5ddfb0eaf4b0e58ae5c1bebe3307abf6cb88824780e843f0f04d8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+beta" "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] 5f2232683fd86418eed7854c3ce8a545406f8f705d9e03f2f7ee25412fbb4218
[INFO] running `Command { std: "docker" "start" "-a" "5f2232683fd86418eed7854c3ce8a545406f8f705d9e03f2f7ee25412fbb4218", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.maintenance
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking nom v5.1.2
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking imap-proto v0.10.2
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking imap v2.3.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v0.4.12
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling proc-macro-error v0.4.12
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.1
[INFO] [stderr]     Checking clap v3.0.0-beta.1
[INFO] [stderr]     Checking serde v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking on-email v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.73s
[INFO] running `Command { std: "docker" "inspect" "5f2232683fd86418eed7854c3ce8a545406f8f705d9e03f2f7ee25412fbb4218", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2232683fd86418eed7854c3ce8a545406f8f705d9e03f2f7ee25412fbb4218", kill_on_drop: false }`
[INFO] [stdout] 5f2232683fd86418eed7854c3ce8a545406f8f705d9e03f2f7ee25412fbb4218