[INFO] cloning repository https://github.com/ctron/google_plus_convert
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ctron/google_plus_convert" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctron%2Fgoogle_plus_convert", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctron%2Fgoogle_plus_convert'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4bfc9e30b071290b5833f5c43f6a960c8f31fdf2
[INFO] checking ctron/google_plus_convert against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fctron%2Fgoogle_plus_convert" "/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/ctron/google_plus_convert 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/ctron/google_plus_convert
[INFO] finished tweaking git repo https://github.com/ctron/google_plus_convert
[INFO] tweaked toml for git repo https://github.com/ctron/google_plus_convert written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ctron/google_plus_convert 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] [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-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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dbf2eef86d1bdf2f97519bad9b6aaf96bde58bd44482844342bc46c4f3e7ad0
[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" "5dbf2eef86d1bdf2f97519bad9b6aaf96bde58bd44482844342bc46c4f3e7ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dbf2eef86d1bdf2f97519bad9b6aaf96bde58bd44482844342bc46c4f3e7ad0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dbf2eef86d1bdf2f97519bad9b6aaf96bde58bd44482844342bc46c4f3e7ad0", kill_on_drop: false }`
[INFO] [stdout] 5dbf2eef86d1bdf2f97519bad9b6aaf96bde58bd44482844342bc46c4f3e7ad0
[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:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f15868ee0b2fc366a98df558827f1a6c3cd158c468bb9a5b786319fa29551fd7
[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" "f15868ee0b2fc366a98df558827f1a6c3cd158c468bb9a5b786319fa29551fd7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]     Checking siphasher v0.2.3
[INFO] [stderr]     Checking lazy_static v1.2.0
[INFO] [stderr]     Checking utf-8 v0.7.4
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling phf_codegen v0.7.23
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking phf_shared v0.7.23
[INFO] [stderr]     Checking new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]     Checking futf v0.1.4
[INFO] [stderr]     Checking phf v0.7.23
[INFO] [stderr]     Checking tendril v0.4.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling html5ever v0.22.5
[INFO] [stderr]    Compiling markup5ever v0.7.5
[INFO] [stderr]     Checking google_plus_convert v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.03s
[INFO] running `Command { std: "docker" "inspect" "f15868ee0b2fc366a98df558827f1a6c3cd158c468bb9a5b786319fa29551fd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f15868ee0b2fc366a98df558827f1a6c3cd158c468bb9a5b786319fa29551fd7", kill_on_drop: false }`
[INFO] [stdout] f15868ee0b2fc366a98df558827f1a6c3cd158c468bb9a5b786319fa29551fd7