[INFO] cloning repository https://github.com/tmbobbins/merkle_tree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tmbobbins/merkle_tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmbobbins%2Fmerkle_tree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmbobbins%2Fmerkle_tree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d92b94d8a457b2041be46ac2d321de046209240c
[INFO] checking tmbobbins/merkle_tree against 1.95.0-beta.7 for beta-1.95-4
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftmbobbins%2Fmerkle_tree" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tmbobbins/merkle_tree
[INFO] finished tweaking git repo https://github.com/tmbobbins/merkle_tree
[INFO] tweaked toml for git repo https://github.com/tmbobbins/merkle_tree written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tmbobbins/merkle_tree on toolchain 1.95.0-beta.7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tmbobbins/merkle_tree 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" "+1.95.0-beta.7" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 650b7da06fbd05e15bbbe47bc4086c30780c18cba24dece5637295b77debaaa8
[INFO] running `Command { std: "docker" "start" "-a" "650b7da06fbd05e15bbbe47bc4086c30780c18cba24dece5637295b77debaaa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "650b7da06fbd05e15bbbe47bc4086c30780c18cba24dece5637295b77debaaa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "650b7da06fbd05e15bbbe47bc4086c30780c18cba24dece5637295b77debaaa8", kill_on_drop: false }`
[INFO] [stdout] 650b7da06fbd05e15bbbe47bc4086c30780c18cba24dece5637295b77debaaa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0-beta.7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ac55fbb4090bc67580fdf7342df86425f9f47c71c3611e1c90a139016cb44757
[INFO] running `Command { std: "docker" "start" "-a" "ac55fbb4090bc67580fdf7342df86425f9f47c71c3611e1c90a139016cb44757", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.5
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]     Checking sha3 v0.10.1
[INFO] [stderr]     Checking merkle_tree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `Command { std: "docker" "inspect" "ac55fbb4090bc67580fdf7342df86425f9f47c71c3611e1c90a139016cb44757", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac55fbb4090bc67580fdf7342df86425f9f47c71c3611e1c90a139016cb44757", kill_on_drop: false }`
[INFO] [stdout] ac55fbb4090bc67580fdf7342df86425f9f47c71c3611e1c90a139016cb44757