[INFO] cloning repository https://github.com/lights0123/ddelta-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lights0123/ddelta-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fddelta-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fddelta-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 17662629fda4cbb3e2f38aa36626c47ebba6f30b
[INFO] checking lights0123/ddelta-rs against master#c919f490bbcd2b29b74016101f7ec71aaa24bdbb for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flights0123%2Fddelta-rs" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lights0123/ddelta-rs on toolchain c919f490bbcd2b29b74016101f7ec71aaa24bdbb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lights0123/ddelta-rs
[INFO] finished tweaking git repo https://github.com/lights0123/ddelta-rs
[INFO] tweaked toml for git repo https://github.com/lights0123/ddelta-rs written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/lights0123/ddelta-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 612afef914e64945d837e951f89e642331ad1b0f58bf3aec78050131caf66dac
[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" "612afef914e64945d837e951f89e642331ad1b0f58bf3aec78050131caf66dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "612afef914e64945d837e951f89e642331ad1b0f58bf3aec78050131caf66dac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "612afef914e64945d837e951f89e642331ad1b0f58bf3aec78050131caf66dac", kill_on_drop: false }`
[INFO] [stdout] 612afef914e64945d837e951f89e642331ad1b0f58bf3aec78050131caf66dac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+c919f490bbcd2b29b74016101f7ec71aaa24bdbb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83da1b55fa4b3c2dec1b8ab5ee647ff4e25626248fdce38b262dd6781f6561f6
[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" "83da1b55fa4b3c2dec1b8ab5ee647ff4e25626248fdce38b262dd6781f6561f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking regex-syntax v0.6.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]    Compiling argh_shared v0.1.1
[INFO] [stderr]     Checking number_prefix v0.3.0
[INFO] [stderr]     Checking sacabase v2.0.0
[INFO] [stderr]     Checking divsufsort v2.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling cdivsufsort v2.0.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking termios v0.3.1
[INFO] [stderr]     Checking clicolors-control v1.0.1
[INFO] [stderr]     Checking regex v1.3.6
[INFO] [stderr]     Checking console v0.10.0
[INFO] [stderr]     Checking indicatif v0.14.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling argh_derive v0.1.1
[INFO] [stderr]    Compiling zerocopy-derive v0.2.0
[INFO] [stderr]     Checking zerocopy v0.3.0
[INFO] [stderr]     Checking argh v0.1.3
[INFO] [stderr]     Checking ddelta v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 26.45s
[INFO] running `Command { std: "docker" "inspect" "83da1b55fa4b3c2dec1b8ab5ee647ff4e25626248fdce38b262dd6781f6561f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83da1b55fa4b3c2dec1b8ab5ee647ff4e25626248fdce38b262dd6781f6561f6", kill_on_drop: false }`
[INFO] [stdout] 83da1b55fa4b3c2dec1b8ab5ee647ff4e25626248fdce38b262dd6781f6561f6