[INFO] cloning repository https://github.com/Geal/cargo-plugin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Geal/cargo-plugin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fcargo-plugin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fcargo-plugin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ed97ff157f1b1e8bd247c64b7acdf7214f3194a
[INFO] checking Geal/cargo-plugin against try#6f12b8fe67b4eed2e838dab803ed9493b9d62c0f for pr-79073
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGeal%2Fcargo-plugin" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Geal/cargo-plugin on toolchain 6f12b8fe67b4eed2e838dab803ed9493b9d62c0f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Geal/cargo-plugin
[INFO] finished tweaking git repo https://github.com/Geal/cargo-plugin
[INFO] tweaked toml for git repo https://github.com/Geal/cargo-plugin written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/Geal/cargo-plugin already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded thread_local v0.3.4
[INFO] [stderr]   Downloaded itoa v0.3.4
[INFO] [stderr]   Downloaded regex-syntax v0.4.1
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded log v0.3.8
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] [stderr]   Downloaded serde_derive_internals v0.16.0
[INFO] [stderr]   Downloaded toml v0.4.5
[INFO] [stderr]   Downloaded num-traits v0.1.40
[INFO] [stderr]   Downloaded memchr v1.0.1
[INFO] [stderr]   Downloaded lazy_static v0.2.8
[INFO] [stderr]   Downloaded aho-corasick v0.6.3
[INFO] [stderr]   Downloaded libc v0.2.31
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded utf8-ranges v1.0.0
[INFO] [stderr]   Downloaded regex v0.2.2
[INFO] [stderr]   Downloaded serde_json v1.0.3
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded serde_derive v1.0.15
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded pest v0.3.3
[INFO] [stderr]   Downloaded serde v1.0.15
[INFO] [stderr]   Downloaded quick-error v1.2.1
[INFO] [stderr]   Downloaded handlebars v0.29.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1945f258ac8d9e56f9cf4a4854ae1d9f968ac78088704a14eb373017b89248d
[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" "b1945f258ac8d9e56f9cf4a4854ae1d9f968ac78088704a14eb373017b89248d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1945f258ac8d9e56f9cf4a4854ae1d9f968ac78088704a14eb373017b89248d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1945f258ac8d9e56f9cf4a4854ae1d9f968ac78088704a14eb373017b89248d", kill_on_drop: false }`
[INFO] [stdout] b1945f258ac8d9e56f9cf4a4854ae1d9f968ac78088704a14eb373017b89248d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6f12b8fe67b4eed2e838dab803ed9493b9d62c0f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] db0ef114c971f4b80a09cf07cb8e5f6a249c11ae8f29bb4ee85a6494c83aba41
[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" "db0ef114c971f4b80a09cf07cb8e5f6a249c11ae8f29bb4ee85a6494c83aba41", 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] [stderr]     Checking libc v0.2.31
[INFO] [stderr]     Checking serde v1.0.15
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking quick-error v1.2.1
[INFO] [stderr]     Checking pest v0.3.3
[INFO] [stderr]    Compiling serde_derive_internals v0.16.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking toml v0.4.5
[INFO] [stderr]     Checking handlebars v0.29.1
[INFO] [stderr]     Checking cargo-plugin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.64s
[INFO] running `Command { std: "docker" "inspect" "db0ef114c971f4b80a09cf07cb8e5f6a249c11ae8f29bb4ee85a6494c83aba41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db0ef114c971f4b80a09cf07cb8e5f6a249c11ae8f29bb4ee85a6494c83aba41", kill_on_drop: false }`
[INFO] [stdout] db0ef114c971f4b80a09cf07cb8e5f6a249c11ae8f29bb4ee85a6494c83aba41