[INFO] cloning repository https://github.com/llogiq/flamer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/llogiq/flamer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Fflamer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Fflamer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8dd88b61209ffcdce0453ebefb3d9c02cac07f1
[INFO] checking llogiq/flamer against master#d902752866cbbdb331e3cf28ff6bba86ab0f6c62 for pr-77271
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fllogiq%2Fflamer" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/llogiq/flamer on toolchain d902752866cbbdb331e3cf28ff6bba86ab0f6c62
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/llogiq/flamer
[INFO] finished tweaking git repo https://github.com/llogiq/flamer
[INFO] tweaked toml for git repo https://github.com/llogiq/flamer written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/llogiq/flamer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef74292ebf3a8bae464fde5b5c96609ff2aede761203c4a4afe0b48f43cd9655
[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" "ef74292ebf3a8bae464fde5b5c96609ff2aede761203c4a4afe0b48f43cd9655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef74292ebf3a8bae464fde5b5c96609ff2aede761203c4a4afe0b48f43cd9655", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef74292ebf3a8bae464fde5b5c96609ff2aede761203c4a4afe0b48f43cd9655", kill_on_drop: false }`
[INFO] [stdout] ef74292ebf3a8bae464fde5b5c96609ff2aede761203c4a4afe0b48f43cd9655
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+d902752866cbbdb331e3cf28ff6bba86ab0f6c62" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a80ad73b0aad51c08c0a11b900eb600602e9901217e916346c28dccc97b8b460
[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" "a80ad73b0aad51c08c0a11b900eb600602e9901217e916346c28dccc97b8b460", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling serde v1.0.75
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking unicode-xid v0.2.0
[INFO] [stderr]     Checking itoa v0.4.2
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling thread-id v3.3.0
[INFO] [stderr]     Checking quote v1.0.7
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling serde_json v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.75
[INFO] [stderr]     Checking flame v0.2.2
[INFO] [stderr]     Checking flamer v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.01s
[INFO] running `Command { std: "docker" "inspect" "a80ad73b0aad51c08c0a11b900eb600602e9901217e916346c28dccc97b8b460", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80ad73b0aad51c08c0a11b900eb600602e9901217e916346c28dccc97b8b460", kill_on_drop: false }`
[INFO] [stdout] a80ad73b0aad51c08c0a11b900eb600602e9901217e916346c28dccc97b8b460