[INFO] cloning repository https://github.com/apoloval/mcp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apoloval/mcp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fmcp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fmcp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4352275dd0a28ea1709f677856dc530597b6155a
[INFO] checking apoloval/mcp against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoloval%2Fmcp" "/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/apoloval/mcp on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/apoloval/mcp
[INFO] finished tweaking git repo https://github.com/apoloval/mcp
[INFO] tweaked toml for git repo https://github.com/apoloval/mcp written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/apoloval/mcp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded bitflags v1.0.4
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded strsim v0.7.0
[INFO] [stderr]   Downloaded docopt v1.0.2
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded rand_jitter v0.1.3
[INFO] [stderr]   Downloaded quickcheck v0.8.2
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded libc v0.2.50
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", 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] c4f7c68ddd2b4b63e22cac9592b8339f742ade38c8b3495c88b8dc91db088645
[INFO] running `Command { std: "docker" "start" "-a" "c4f7c68ddd2b4b63e22cac9592b8339f742ade38c8b3495c88b8dc91db088645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4f7c68ddd2b4b63e22cac9592b8339f742ade38c8b3495c88b8dc91db088645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4f7c68ddd2b4b63e22cac9592b8339f742ade38c8b3495c88b8dc91db088645", kill_on_drop: false }`
[INFO] [stdout] c4f7c68ddd2b4b63e22cac9592b8339f742ade38c8b3495c88b8dc91db088645
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2629fb1d526a129305baf6623921de3c427f67693547881fa33f1fa1b466043
[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" "b2629fb1d526a129305baf6623921de3c427f67693547881fa33f1fa1b466043", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]     Checking utf8-ranges v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_jitter v0.1.3
[INFO] [stderr]     Checking regex-syntax v0.6.5
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking regex v1.1.2
[INFO] [stderr]     Checking env_logger v0.6.1
[INFO] [stderr]     Checking quickcheck v0.8.2
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]     Checking docopt v1.0.2
[INFO] [stderr]     Checking mcp v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.58s
[INFO] running `Command { std: "docker" "inspect" "b2629fb1d526a129305baf6623921de3c427f67693547881fa33f1fa1b466043", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2629fb1d526a129305baf6623921de3c427f67693547881fa33f1fa1b466043", kill_on_drop: false }`
[INFO] [stdout] b2629fb1d526a129305baf6623921de3c427f67693547881fa33f1fa1b466043