[INFO] cloning repository https://github.com/sneakycrow/rust-sha2-hex-gen
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sneakycrow/rust-sha2-hex-gen" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsneakycrow%2Frust-sha2-hex-gen", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsneakycrow%2Frust-sha2-hex-gen'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 02e712887716d6c3f3054c7508045ce3b11a224f
[INFO] checking sneakycrow/rust-sha2-hex-gen against master#6526e5c772f2da07db745c94ca6bb0a591a39ba4 for pr-80920
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsneakycrow%2Frust-sha2-hex-gen" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sneakycrow/rust-sha2-hex-gen on toolchain 6526e5c772f2da07db745c94ca6bb0a591a39ba4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sneakycrow/rust-sha2-hex-gen
[INFO] finished tweaking git repo https://github.com/sneakycrow/rust-sha2-hex-gen
[INFO] tweaked toml for git repo https://github.com/sneakycrow/rust-sha2-hex-gen written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/sneakycrow/rust-sha2-hex-gen already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc4d002018bbff64c56ab0d2249668cba2adc7fbcaa941e8f77064763d9a8ea9
[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" "fc4d002018bbff64c56ab0d2249668cba2adc7fbcaa941e8f77064763d9a8ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc4d002018bbff64c56ab0d2249668cba2adc7fbcaa941e8f77064763d9a8ea9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc4d002018bbff64c56ab0d2249668cba2adc7fbcaa941e8f77064763d9a8ea9", kill_on_drop: false }`
[INFO] [stdout] fc4d002018bbff64c56ab0d2249668cba2adc7fbcaa941e8f77064763d9a8ea9
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+6526e5c772f2da07db745c94ca6bb0a591a39ba4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e4be70c27ba7bb4df1d04b230c08b216e989db47cbd9c47e01b9bea3014aa4f
[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" "8e4be70c27ba7bb4df1d04b230c08b216e989db47cbd9c47e01b9bea3014aa4f", kill_on_drop: false }`
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking hex v0.3.2
[INFO] [stderr]     Checking block-padding v0.1.4
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking sha2 v0.8.0
[INFO] [stderr]     Checking rust-sha2-generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.15s
[INFO] running `Command { std: "docker" "inspect" "8e4be70c27ba7bb4df1d04b230c08b216e989db47cbd9c47e01b9bea3014aa4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4be70c27ba7bb4df1d04b230c08b216e989db47cbd9c47e01b9bea3014aa4f", kill_on_drop: false }`
[INFO] [stdout] 8e4be70c27ba7bb4df1d04b230c08b216e989db47cbd9c47e01b9bea3014aa4f