[INFO] fetching crate spectrum 0.0.0...
[INFO] checking spectrum-0.0.0 against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] extracting crate spectrum 0.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate spectrum 0.0.0 on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spectrum 0.0.0
[INFO] finished tweaking crates.io crate spectrum 0.0.0
[INFO] tweaked toml for crates.io crate spectrum 0.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9599c5cecd09a9619f112a11b8180d0b933e786eb2d2abda3c85094ae085d56c
[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" "9599c5cecd09a9619f112a11b8180d0b933e786eb2d2abda3c85094ae085d56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9599c5cecd09a9619f112a11b8180d0b933e786eb2d2abda3c85094ae085d56c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9599c5cecd09a9619f112a11b8180d0b933e786eb2d2abda3c85094ae085d56c", kill_on_drop: false }`
[INFO] [stdout] 9599c5cecd09a9619f112a11b8180d0b933e786eb2d2abda3c85094ae085d56c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 739c9afc4addd726848d7c5574beddc3b6a084d8aa3ce5736d422f3b92144091
[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" "739c9afc4addd726848d7c5574beddc3b6a084d8aa3ce5736d422f3b92144091", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]    Compiling syn v1.0.50
[INFO] [stderr]     Checking pretty v0.10.0
[INFO] [stderr]     Checking terminal_size v0.1.15
[INFO] [stderr]     Checking console v0.13.0
[INFO] [stderr]    Compiling format-macro v0.2.3
[INFO] [stderr]    Compiling derive-new v0.5.8
[INFO] [stderr]     Checking format v0.2.3
[INFO] [stderr]     Checking spectrum v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.54s
[INFO] running `Command { std: "docker" "inspect" "739c9afc4addd726848d7c5574beddc3b6a084d8aa3ce5736d422f3b92144091", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "739c9afc4addd726848d7c5574beddc3b6a084d8aa3ce5736d422f3b92144091", kill_on_drop: false }`
[INFO] [stdout] 739c9afc4addd726848d7c5574beddc3b6a084d8aa3ce5736d422f3b92144091