[INFO] cloning repository https://github.com/massimiliano-mantione/git-merge-experiment
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/massimiliano-mantione/git-merge-experiment" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmassimiliano-mantione%2Fgit-merge-experiment", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmassimiliano-mantione%2Fgit-merge-experiment'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 775eb80e42c7d595c1ff82f038da69f862d9b4af
[INFO] checking massimiliano-mantione/git-merge-experiment against master#d62d3f7fa9a91d933213cc10e20e740608983f64 for pr-77015
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmassimiliano-mantione%2Fgit-merge-experiment" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/massimiliano-mantione/git-merge-experiment on toolchain d62d3f7fa9a91d933213cc10e20e740608983f64
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/massimiliano-mantione/git-merge-experiment
[INFO] finished tweaking git repo https://github.com/massimiliano-mantione/git-merge-experiment
[INFO] tweaked toml for git repo https://github.com/massimiliano-mantione/git-merge-experiment written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/massimiliano-mantione/git-merge-experiment already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4e73bf83d3ef8bd8e75166e2d800a4dc49ccde5df3af1155d3c525671ab2a5e
[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" "e4e73bf83d3ef8bd8e75166e2d800a4dc49ccde5df3af1155d3c525671ab2a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4e73bf83d3ef8bd8e75166e2d800a4dc49ccde5df3af1155d3c525671ab2a5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4e73bf83d3ef8bd8e75166e2d800a4dc49ccde5df3af1155d3c525671ab2a5e", kill_on_drop: false }`
[INFO] [stdout] e4e73bf83d3ef8bd8e75166e2d800a4dc49ccde5df3af1155d3c525671ab2a5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+d62d3f7fa9a91d933213cc10e20e740608983f64" "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] a78a6c6ac3d546c0277c7289caa1dfb5097ca74b00db2a94d61db71dd920a4fa
[INFO] running `Command { std: "docker" "start" "-a" "a78a6c6ac3d546c0277c7289caa1dfb5097ca74b00db2a94d61db71dd920a4fa", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling jobserver v0.1.21
[INFO] [stderr]    Compiling syn v1.0.36
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]    Compiling libssh2-sys v0.2.18
[INFO] [stderr]    Compiling libgit2-sys v0.12.9+1.0.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking git2 v0.13.8
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking git-merge-experiment v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.73s
[INFO] running `Command { std: "docker" "inspect" "a78a6c6ac3d546c0277c7289caa1dfb5097ca74b00db2a94d61db71dd920a4fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a78a6c6ac3d546c0277c7289caa1dfb5097ca74b00db2a94d61db71dd920a4fa", kill_on_drop: false }`
[INFO] [stdout] a78a6c6ac3d546c0277c7289caa1dfb5097ca74b00db2a94d61db71dd920a4fa