[INFO] cloning repository https://github.com/methu-ship/Merkle_Proof
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/methu-ship/Merkle_Proof" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FMerkle_Proof", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FMerkle_Proof'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f801fd73e0bed930c690940e369c1c73b1f03978
[INFO] checking methu-ship/Merkle_Proof against try#8a0378607d6b34c242e3bfa75554871be641864b for pr-143028
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmethu-ship%2FMerkle_Proof" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/methu-ship/Merkle_Proof
[INFO] finished tweaking git repo https://github.com/methu-ship/Merkle_Proof
[INFO] tweaked toml for git repo https://github.com/methu-ship/Merkle_Proof written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/methu-ship/Merkle_Proof on toolchain 8a0378607d6b34c242e3bfa75554871be641864b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/methu-ship/Merkle_Proof already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "fetch" "--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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bd05c29bf84ea83df4e95e7d694d6438d05d99f6d3d4fb628345c0dfbfebaa4b
[INFO] running `Command { std: "docker" "start" "-a" "bd05c29bf84ea83df4e95e7d694d6438d05d99f6d3d4fb628345c0dfbfebaa4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bd05c29bf84ea83df4e95e7d694d6438d05d99f6d3d4fb628345c0dfbfebaa4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd05c29bf84ea83df4e95e7d694d6438d05d99f6d3d4fb628345c0dfbfebaa4b", kill_on_drop: false }`
[INFO] [stdout] bd05c29bf84ea83df4e95e7d694d6438d05d99f6d3d4fb628345c0dfbfebaa4b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8a0378607d6b34c242e3bfa75554871be641864b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 42f263edcfb4a8578dfa60311a731cb1f85d5d2546fc1019e2a60f7ce37a7290
[INFO] running `Command { std: "docker" "start" "-a" "42f263edcfb4a8578dfa60311a731cb1f85d5d2546fc1019e2a60f7ce37a7290", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]     Checking cpufeatures v0.2.17
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking Merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `Command { std: "docker" "inspect" "42f263edcfb4a8578dfa60311a731cb1f85d5d2546fc1019e2a60f7ce37a7290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42f263edcfb4a8578dfa60311a731cb1f85d5d2546fc1019e2a60f7ce37a7290", kill_on_drop: false }`
[INFO] [stdout] 42f263edcfb4a8578dfa60311a731cb1f85d5d2546fc1019e2a60f7ce37a7290