[INFO] fetching crate salsa 0.15.2...
[INFO] checking salsa-0.15.2 against master#de32266a1780aa4ef748ce7f6200a1554fad0aca for pr-75585
[INFO] extracting crate salsa 0.15.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate salsa 0.15.2 on toolchain de32266a1780aa4ef748ce7f6200a1554fad0aca
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate salsa 0.15.2
[INFO] finished tweaking crates.io crate salsa 0.15.2
[INFO] tweaked toml for crates.io crate salsa 0.15.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate salsa 0.15.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "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] 6cbaff521fc056b2966742457d2cd3f0cd7b27dac06964cd0d35c5702b72658e
[INFO] running `Command { std: "docker" "start" "-a" "6cbaff521fc056b2966742457d2cd3f0cd7b27dac06964cd0d35c5702b72658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cbaff521fc056b2966742457d2cd3f0cd7b27dac06964cd0d35c5702b72658e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cbaff521fc056b2966742457d2cd3f0cd7b27dac06964cd0d35c5702b72658e", kill_on_drop: false }`
[INFO] [stdout] 6cbaff521fc056b2966742457d2cd3f0cd7b27dac06964cd0d35c5702b72658e
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+de32266a1780aa4ef748ce7f6200a1554fad0aca" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 445a5face13d7f0738d7ad35b0ca05a72addbef623c5d5f08f0b93ae9f1b92bb
[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" "445a5face13d7f0738d7ad35b0ca05a72addbef623c5d5f08f0b93ae9f1b92bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.4.1
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]    Compiling hashbrown v0.8.1
[INFO] [stderr]    Compiling indexmap v1.5.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking rand_distr v0.2.2
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.8.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]    Compiling salsa-macros v0.15.0
[INFO] [stderr]     Checking salsa v0.15.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.07s
[INFO] running `Command { std: "docker" "inspect" "445a5face13d7f0738d7ad35b0ca05a72addbef623c5d5f08f0b93ae9f1b92bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "445a5face13d7f0738d7ad35b0ca05a72addbef623c5d5f08f0b93ae9f1b92bb", kill_on_drop: false }`
[INFO] [stdout] 445a5face13d7f0738d7ad35b0ca05a72addbef623c5d5f08f0b93ae9f1b92bb