[INFO] fetching crate imag-git 0.10.1...
[INFO] checking imag-git-0.10.1 against master#da897dfb6daa268a965d2d73620316ba56020a19 for pr-76219
[INFO] extracting crate imag-git 0.10.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate imag-git 0.10.1 on toolchain da897dfb6daa268a965d2d73620316ba56020a19
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imag-git 0.10.1
[INFO] finished tweaking crates.io crate imag-git 0.10.1
[INFO] tweaked toml for crates.io crate imag-git 0.10.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate imag-git 0.10.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+da897dfb6daa268a965d2d73620316ba56020a19" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4100d74b21a7539b141403c04b7b3ed1dc814193e5c3cc3de43c617b3f4a2538
[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" "4100d74b21a7539b141403c04b7b3ed1dc814193e5c3cc3de43c617b3f4a2538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4100d74b21a7539b141403c04b7b3ed1dc814193e5c3cc3de43c617b3f4a2538", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4100d74b21a7539b141403c04b7b3ed1dc814193e5c3cc3de43c617b3f4a2538", kill_on_drop: false }`
[INFO] [stdout] 4100d74b21a7539b141403c04b7b3ed1dc814193e5c3cc3de43c617b3f4a2538
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+da897dfb6daa268a965d2d73620316ba56020a19" "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] 292500ec2d303c671266024212d3aa4bdacc063e7790243c68d29c018f9c0371
[INFO] running `Command { std: "docker" "start" "-a" "292500ec2d303c671266024212d3aa4bdacc063e7790243c68d29c018f9c0371", kill_on_drop: false }`
[INFO] [stderr]     Checking imag-git v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.00s
[INFO] running `Command { std: "docker" "inspect" "292500ec2d303c671266024212d3aa4bdacc063e7790243c68d29c018f9c0371", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "292500ec2d303c671266024212d3aa4bdacc063e7790243c68d29c018f9c0371", kill_on_drop: false }`
[INFO] [stdout] 292500ec2d303c671266024212d3aa4bdacc063e7790243c68d29c018f9c0371