[INFO] fetching crate hexavalent 0.1.2...
[INFO] checking hexavalent-0.1.2 against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] extracting crate hexavalent 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate hexavalent 0.1.2 on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7/source/.cargo/config
[INFO] started tweaking crates.io crate hexavalent 0.1.2
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate hexavalent 0.1.2
[INFO] tweaked toml for crates.io crate hexavalent 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate hexavalent 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 2b0f7da18a356e555b0ce70251a340cdec074b90a1f94273f3ec3da21b8d3dd2
[INFO] running `Command { std: "docker" "start" "-a" "2b0f7da18a356e555b0ce70251a340cdec074b90a1f94273f3ec3da21b8d3dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b0f7da18a356e555b0ce70251a340cdec074b90a1f94273f3ec3da21b8d3dd2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b0f7da18a356e555b0ce70251a340cdec074b90a1f94273f3ec3da21b8d3dd2", kill_on_drop: false }`
[INFO] [stdout] 2b0f7da18a356e555b0ce70251a340cdec074b90a1f94273f3ec3da21b8d3dd2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 2b9e0060ecf2b9a3f7cd7c9fe3e2ae0a2e346fedfb1b8ec20adf0a4a06b5f174
[INFO] running `Command { std: "docker" "start" "-a" "2b9e0060ecf2b9a3f7cd7c9fe3e2ae0a2e346fedfb1b8ec20adf0a4a06b5f174", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.14
[INFO] [stderr]    Compiling standback v0.2.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking hexavalent v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.67s
[INFO] running `Command { std: "docker" "inspect" "2b9e0060ecf2b9a3f7cd7c9fe3e2ae0a2e346fedfb1b8ec20adf0a4a06b5f174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b9e0060ecf2b9a3f7cd7c9fe3e2ae0a2e346fedfb1b8ec20adf0a4a06b5f174", kill_on_drop: false }`
[INFO] [stdout] 2b9e0060ecf2b9a3f7cd7c9fe3e2ae0a2e346fedfb1b8ec20adf0a4a06b5f174